toybox: toys/posix/patch.c annotate

annotate toys/posix/patch.c @ 1239:9a13e6637d7b draft

Decided not to go with the sflate implementation of deflate/inflate. The decompression side's already reimplemented in compress, and I'm working on compression side.

author	Rob Landley <rob@landley.net>
date	Wed, 02 Apr 2014 06:37:14 -0500
parents	468444e5c7c5
children	0a87952492ae

rev	line source
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	1 /* patch.c - Apply a "universal" diff.
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	2 *
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	3 * Copyright 2007 Rob Landley <rob@landley.net>
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	4 *
656 6df4ccc0acbe Regularize command headers, update links to standards documents. Rob Landley <rob@landley.net> parents: 653 diff changeset	5 * see http://opengroup.org/onlinepubs/9699919799/utilities/patch.html
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	6 * (But only does -u, because who still cares about "ed"?)
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	7 *
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	8 * TODO:
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	9 * -b backup
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	10 * -l treat all whitespace as a single space
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	11 * -N ignore already applied
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	12 * -d chdir first
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	13 * -D define wrap #ifdef and #ifndef around changes
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	14 * -o outfile output here instead of in place
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	15 * -r rejectfile write rejected hunks to this file
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	16 *
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	17 * -E remove empty files --remove-empty-files
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	18 * -f force (no questions asked)
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	19 * -F fuzz (number, default 2)
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	20 * [file] which file to patch
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	21
670 e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	22 USE_PATCH(NEWTOY(patch, USE_TOYBOX_DEBUG("x")"ulp#i:R", TOYFLAG_USR\|TOYFLAG_BIN))
234 163498bf547b Move NEWTOY() list from end of toylist.h to generated/newtoys.h. Rob Landley <rob@landley.net> parents: 233 diff changeset	23
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	24 config PATCH
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	25 bool "patch"
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	26 default y
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	27 help
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	28 usage: patch [-i file] [-p depth] [-Ru]
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	29
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	30 Apply a unified diff to one or more files.
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	31
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	32 -i Input file (defaults=stdin)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	33 -l Loose match (ignore whitespace)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	34 -p Number of '/' to strip from start of file paths (default=all)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	35 -R Reverse patch.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	36 -u Ignored (only handles "unified" diffs)
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	37
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	38 This version of patch only handles unified diffs, and only modifies
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	39 a file when all all hunks to that file apply. Patch prints failed
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	40 hunks to stderr, and exits with nonzero status if any hunks fail.
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	41
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	42 A file compared against /dev/null (or with a date <= the epoch) is
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	43 created/deleted as appropriate.
233 d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of Rob Landley <rob@landley.net> parents: 219 diff changeset	44 */
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	45
674 7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate. Rob Landley <rob@landley.net> parents: 673 diff changeset	46 #define FOR_patch
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	47 #include "toys.h"
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	48
674 7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate. Rob Landley <rob@landley.net> parents: 673 diff changeset	49 GLOBALS(
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	50 char *infile;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	51 long prefix;
237 7cb15eae1664 Zap toylist.h, moving contents of global structures into DEFINE_GLOBALS() Rob Landley <rob@landley.net> parents: 234 diff changeset	52
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	53 struct double_list *current_hunk;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	54 long oldline, oldlen, newline, newlen;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	55 long linenum;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	56 int context, state, filein, fileout, filepatch, hunknum;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	57 char *tempname;
237 7cb15eae1664 Zap toylist.h, moving contents of global structures into DEFINE_GLOBALS() Rob Landley <rob@landley.net> parents: 234 diff changeset	58 )
7cb15eae1664 Zap toylist.h, moving contents of global structures into DEFINE_GLOBALS() Rob Landley <rob@landley.net> parents: 234 diff changeset	59
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	60 // Dispose of a line of input, either by writing it out or discarding it.
c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	61
c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	62 // state < 2: just free
c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	63 // state = 2: write whole line to stderr
c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	64 // state = 3: write whole line to fileout
c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	65 // state > 3: write line+1 to fileout when *line != state
c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	66
670 e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	67 #define PATCH_DEBUG (CFG_TOYBOX_DEBUG && (toys.optflags & 32))
376 35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	68
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	69 static void do_line(void *data)
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	70 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	71 struct double_list dlist = (struct double_list )data;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	72
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	73 if (TT.state>1 && *dlist->data != TT.state) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	74 char *s = dlist->data+(TT.state>3 ? 1 : 0);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	75 int i = TT.state == 2 ? 2 : TT.fileout;
315 aaac01796688 Upgrade patch to detect hunks that start after a false start. Rob Landley <rob@landley.net> parents: 280 diff changeset	76
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	77 xwrite(i, s, strlen(s));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	78 xwrite(i, "\n", 1);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	79 }
550 b2194045c40e Remove "feature test macros", replace non-portable fdprintf() with standard fprintf(). Rob Landley <rob@landley.net> parents: 500 diff changeset	80
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	81 if (PATCH_DEBUG) fprintf(stderr, "DO %d: %s\n", TT.state, dlist->data);
376 35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	82
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	83 free(dlist->data);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	84 free(data);
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	85 }
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	86
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	87 static void finish_oldfile(void)
cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	88 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	89 if (TT.tempname) replace_tempfile(TT.filein, TT.fileout, &TT.tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	90 TT.fileout = TT.filein = -1;
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	91 }
cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	92
cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	93 static void fail_hunk(void)
cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	94 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	95 if (!TT.current_hunk) return;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	96 TT.current_hunk->prev->next = 0;
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	97
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	98 fprintf(stderr, "Hunk %d FAILED %ld/%ld.\n",
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	99 TT.hunknum, TT.oldline, TT.newline);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	100 toys.exitval = 1;
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	101
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	102 // If we got to this point, we've seeked to the end. Discard changes to
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	103 // this file and advance to next file.
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	104
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	105 TT.state = 2;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	106 llist_traverse(TT.current_hunk, do_line);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	107 TT.current_hunk = NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	108 delete_tempfile(TT.filein, TT.fileout, &TT.tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	109 TT.state = 0;
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	110 }
cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	111
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	112 // Compare ignoring whitespace. Just returns
670 e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	113 static int loosecmp(char aa, char bb)
e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	114 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	115 int a = 0, b = 0;
670 e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	116
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	117 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	118 while (isspace(aa[a])) a++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	119 while (isspace(bb[b])) b++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	120 if (aa[a] != bb[b]) return 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	121 if (!aa[a]) return 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	122 a++, b++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	123 }
670 e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	124 }
e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	125
376 35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	126 // Given a hunk of a unified diff, make the appropriate change to the file.
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	127 // This does not use the location information, but instead treats a hunk
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	128 // as a sort of regex. Copies data from input to output until it finds
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	129 // the change to be made, then outputs the changed data and returns.
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	130 // (Finding EOF first is an error.) This is a single pass operation, so
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	131 // multiple hunks must occur in order in the file.
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	132
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	133 static int apply_one_hunk(void)
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	134 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	135 struct double_list plist, buf = NULL, *check;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	136 int matcheof = 0, reverse = toys.optflags & FLAG_R, backwarn = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	137 int (lcmp)(char aa, char *bb);
670 e2ebaf211a0f patch -l (loose match) Rob Landley <rob@landley.net> parents: 656 diff changeset	138
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	139 lcmp = (toys.optflags & FLAG_l) ? (void )loosecmp : (void )strcmp;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	140
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	141 // Break doubly linked list so we can use singly linked traversal function.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	142 TT.current_hunk->prev->next = NULL;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	143
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	144 // Match EOF if there aren't as many ending context lines as beginning
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	145 for (plist = TT.current_hunk; plist; plist = plist->next) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	146 if (plist->data[0]==' ') matcheof++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	147 else matcheof = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	148 if (PATCH_DEBUG) fprintf(stderr, "HUNK:%s\n", plist->data);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	149 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	150 matcheof = matcheof < TT.context;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	151
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	152 if (PATCH_DEBUG) fprintf(stderr,"MATCHEOF=%c\n", matcheof ? 'Y' : 'N');
315 aaac01796688 Upgrade patch to detect hunks that start after a false start. Rob Landley <rob@landley.net> parents: 280 diff changeset	153
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	154 // Loop through input data searching for this hunk. Match all context
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	155 // lines and all lines to be removed until we've found the end of a
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	156 // complete hunk.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	157 plist = TT.current_hunk;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	158 buf = NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	159 if (TT.context) for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	160 char *data = get_line(TT.filein);
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	161
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	162 TT.linenum++;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	163
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	164 // Figure out which line of hunk to compare with next. (Skip lines
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	165 // of the hunk we'd be adding.)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	166 while (plist && *plist->data == "+-"[reverse]) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	167 if (data && !lcmp(data, plist->data+1)) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	168 if (!backwarn) backwarn = TT.linenum;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	169 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	170 plist = plist->next;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	171 }
315 aaac01796688 Upgrade patch to detect hunks that start after a false start. Rob Landley <rob@landley.net> parents: 280 diff changeset	172
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	173 // Is this EOF?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	174 if (!data) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	175 if (PATCH_DEBUG) fprintf(stderr, "INEOF\n");
391 56d07d82e691 Don't complain about "possibly reversed" hunks that merely moved later in the file, just give a potential reason if it failed to apply. Rob Landley <rob@landley.net> parents: 377 diff changeset	176
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	177 // Does this hunk need to match EOF?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	178 if (!plist && matcheof) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	179
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	180 if (backwarn)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	181 fprintf(stderr, "Possibly reversed hunk %d at %ld\n",
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	182 TT.hunknum, TT.linenum);
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	183
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	184 // File ended before we found a place for this hunk.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	185 fail_hunk();
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	186 goto done;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	187 } else if (PATCH_DEBUG) fprintf(stderr, "IN: %s\n", data);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	188 check = dlist_add(&buf, data);
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	189
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	190 // Compare this line with next expected line of hunk.
362 d15520819347 Fix reversed patch detection logic, remove unused variables, rename variables, better comments. Rob Landley <rob@landley.net> parents: 351 diff changeset	191
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	192 // A match can fail because the next line doesn't match, or because
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	193 // we hit the end of a hunk that needed EOF, and this isn't EOF.
362 d15520819347 Fix reversed patch detection logic, remove unused variables, rename variables, better comments. Rob Landley <rob@landley.net> parents: 351 diff changeset	194
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	195 // If match failed, flush first line of buffered data and
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	196 // recheck buffered data for a new match until we find one or run
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	197 // out of buffer.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	198
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	199 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	200 if (!plist \|\| lcmp(check->data, plist->data+1)) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	201 // Match failed. Write out first line of buffered data and
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	202 // recheck remaining buffered data for a new match.
376 35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	203
1101 ccf4193167c3 Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.) Rob Landley <rob@landley.net> parents: 1060 diff changeset	204 if (PATCH_DEBUG) {
ccf4193167c3 Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.) Rob Landley <rob@landley.net> parents: 1060 diff changeset	205 int bug = 0;
ccf4193167c3 Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.) Rob Landley <rob@landley.net> parents: 1060 diff changeset	206
ccf4193167c3 Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.) Rob Landley <rob@landley.net> parents: 1060 diff changeset	207 while (plist->data[bug] == check->data[bug]) bug++;
ccf4193167c3 Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.) Rob Landley <rob@landley.net> parents: 1060 diff changeset	208 fprintf(stderr, "NOT(%d:%d!=%d): %s\n", bug, plist->data[bug],
ccf4193167c3 Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.) Rob Landley <rob@landley.net> parents: 1060 diff changeset	209 check->data[bug], plist->data);
ccf4193167c3 Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.) Rob Landley <rob@landley.net> parents: 1060 diff changeset	210 }
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	211
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	212 TT.state = 3;
1060 c2663b7eca78 Adjust patch to use dlist_pop() Rob Landley <rob@landley.net> parents: 827 diff changeset	213 do_line(check = dlist_pop(&buf));
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	214 plist = TT.current_hunk;
315 aaac01796688 Upgrade patch to detect hunks that start after a false start. Rob Landley <rob@landley.net> parents: 280 diff changeset	215
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	216 // If we've reached the end of the buffer without confirming a
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	217 // match, read more lines.
1060 c2663b7eca78 Adjust patch to use dlist_pop() Rob Landley <rob@landley.net> parents: 827 diff changeset	218 if (!buf) break;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	219 check = buf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	220 } else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	221 if (PATCH_DEBUG) fprintf(stderr, "MAYBE: %s\n", plist->data);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	222 // This line matches. Advance plist, detect successful match.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	223 plist = plist->next;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	224 if (!plist && !matcheof) goto out;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	225 check = check->next;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	226 if (check == buf) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	227 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	228 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	229 }
315 aaac01796688 Upgrade patch to detect hunks that start after a false start. Rob Landley <rob@landley.net> parents: 280 diff changeset	230 out:
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	231 // We have a match. Emit changed data.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	232 TT.state = "-+"[reverse];
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	233 llist_traverse(TT.current_hunk, do_line);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	234 TT.current_hunk = NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	235 TT.state = 1;
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	236 done:
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	237 if (buf) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	238 buf->prev->next = NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	239 llist_traverse(buf, do_line);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	240 }
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	241
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	242 return TT.state;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	243 }
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	244
376 35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	245 // Read a patch file and find hunks, opening/creating/deleting files.
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	246 // Call apply_one_hunk() on each hunk.
35c8beb54800 For CFG_TOYBOX_DEBUG add -x option to patch to dump lots of debug output about the search and match. Rob Landley <rob@landley.net> parents: 375 diff changeset	247
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	248 // state 0: Not in a hunk, look for +++.
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	249 // state 1: Found +++ file indicator, look for @@
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	250 // state 2: In hunk: counting initial context lines
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	251 // state 3: In hunk: getting body
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	252
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	253 void patch_main(void)
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	254 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	255 int reverse = toys.optflags&FLAG_R, state = 0, patchlinenum = 0,
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	256 strip = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	257 char oldname = NULL, newname = NULL;
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	258
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	259 if (TT.infile) TT.filepatch = xopen(TT.infile, O_RDONLY);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	260 TT.filein = TT.fileout = -1;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	261
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	262 // Loop through the lines in the patch
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	263 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	264 char *patchline;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	265
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	266 patchline = get_line(TT.filepatch);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	267 if (!patchline) break;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	268
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	269 // Other versions of patch accept damaged patches,
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	270 // so we need to also.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	271 if (strip \|\| !patchlinenum++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	272 int len = strlen(patchline);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	273 if (patchline[len-1] == '\r') {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	274 if (!strip) fprintf(stderr, "Removing DOS newlines\n");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	275 strip = 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	276 patchline[len-1]=0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	277 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	278 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	279 if (!*patchline) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	280 free(patchline);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	281 patchline = xstrdup(" ");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	282 }
351 add8b512f41a Another patch corner case. Rob Landley <rob@landley.net> parents: 348 diff changeset	283
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	284 // Are we assembling a hunk?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	285 if (state >= 2) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	286 if (patchline==' ' \|\| patchline=='+' \|\| *patchline=='-') {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	287 dlist_add(&TT.current_hunk, patchline);
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	288
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	289 if (*patchline != '+') TT.oldlen--;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	290 if (*patchline != '-') TT.newlen--;
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	291
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	292 // Context line?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	293 if (*patchline==' ' && state==2) TT.context++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	294 else state=3;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	295
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	296 // If we've consumed all expected hunk lines, apply the hunk.
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	297
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	298 if (!TT.oldlen && !TT.newlen) state = apply_one_hunk();
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	299 continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	300 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	301 fail_hunk();
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	302 state = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	303 continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	304 }
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	305
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	306 // Open a new file?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	307 if (!strncmp("--- ", patchline, 4) \|\| !strncmp("+++ ", patchline, 4)) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	308 char s, *name = &oldname;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	309 int i;
325 5d0fbdb2fc86 The epoch can also show up as 1970-01-01 (depending on timezone), so treat any year >0 and <= 1970 as meaning "file does not exist". Rob Landley <rob@landley.net> parents: 315 diff changeset	310
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	311 if (*patchline == '+') {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	312 name = &newname;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	313 state = 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	314 }
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	315
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	316 free(*name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	317 finish_oldfile();
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	318
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	319 // Trim date from end of filename (if any). We don't care.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	320 for (s = patchline+4; s && s!='\t'; s++)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	321 if (*s=='\\' && s[1]) s++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	322 i = atoi(s);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	323 if (i>1900 && i<=1970) *name = xstrdup("/dev/null");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	324 else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	325 *s = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	326 *name = xstrdup(patchline+4);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	327 }
335 556c10abdff6 Make patch work with -R when deleting files. Rob Landley <rob@landley.net> parents: 331 diff changeset	328
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	329 // We defer actually opening the file because svn produces broken
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	330 // patches that don't signal they want to create a new file the
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	331 // way the patch man page says, so you have to read the first hunk
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	332 // and _guess_.
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	333
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	334 // Start a new hunk? Usually @@ -oldline,oldlen +newline,newlen @@
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	335 // but a missing ,value means the value is 1.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	336 } else if (state == 1 && !strncmp("@@ -", patchline, 4)) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	337 int i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	338 char *s = patchline+4;
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	339
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	340 // Read oldline[,oldlen] +newline[,newlen]
377 15ca7e49b6ff The @@ -1,2 +3,4 @@ lines treat ,1 as implied, so the format isn't regular. Rob Landley <rob@landley.net> parents: 376 diff changeset	341
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	342 TT.oldlen = TT.newlen = 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	343 TT.oldline = strtol(s, &s, 10);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	344 if (*s == ',') TT.oldlen=strtol(s+1, &s, 10);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	345 TT.newline = strtol(s+2, &s, 10);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	346 if (*s == ',') TT.newlen = strtol(s+1, &s, 10);
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	347
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	348 TT.context = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	349 state = 2;
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	350
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	351 // If this is the first hunk, open the file.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	352 if (TT.filein == -1) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	353 int oldsum, newsum, del = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	354 char *name;
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	355
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	356 oldsum = TT.oldline + TT.oldlen;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	357 newsum = TT.newline + TT.newlen;
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	358
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	359 name = reverse ? oldname : newname;
335 556c10abdff6 Make patch work with -R when deleting files. Rob Landley <rob@landley.net> parents: 331 diff changeset	360
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	361 // We're deleting oldname if new file is /dev/null (before -p)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	362 // or if new hunk is empty (zero context) after patching
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	363 if (!strcmp(name, "/dev/null") \|\| !(reverse ? oldsum : newsum))
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	364 {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	365 name = reverse ? newname : oldname;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	366 del++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	367 }
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	368
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	369 // handle -p path truncation.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	370 for (i = 0, s = name; *s;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	371 if ((toys.optflags & FLAG_p) && TT.prefix == i) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	372 if (*s++ != '/') continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	373 while (*s == '/') s++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	374 name = s;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	375 i++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	376 }
348 c7143968cea6 Rearchitect patch to handle more darn corner cases. Rob Landley <rob@landley.net> parents: 335 diff changeset	377
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	378 if (del) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	379 printf("removing %s\n", name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	380 xunlink(name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	381 state = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	382 // If we've got a file to open, do so.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	383 } else if (!(toys.optflags & FLAG_p) \|\| i <= TT.prefix) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	384 // If the old file was null, we're creating a new one.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	385 if ((!strcmp(oldname, "/dev/null") \|\| !oldsum) && access(name, F_OK))
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	386 {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	387 printf("creating %s\n", name);
1219 468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1101 diff changeset	388 if (mkpathat(AT_FDCWD, name, 0, 2))
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1101 diff changeset	389 perror_exit("mkpath %s", name);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	390 TT.filein = xcreate(name, O_CREAT\|O_EXCL\|O_RDWR, 0666);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	391 } else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	392 printf("patching %s\n", name);
827 98c396477e0b Fix a bug in patch I fixed back in 2010 but forgot to apply here. Rob Landley <rob@landley.net> parents: 694 diff changeset	393 TT.filein = xopen(name, O_RDONLY);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	394 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	395 TT.fileout = copy_tempfile(TT.filein, name, &TT.tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	396 TT.linenum = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	397 TT.hunknum = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	398 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	399 }
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	400
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	401 TT.hunknum++;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	402
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	403 continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	404 }
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	405
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	406 // If we didn't continue above, discard this line.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	407 free(patchline);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	408 }
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	409
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	410 finish_oldfile();
219 cfa11e043e2b Fix patch to use @@ values and match EOF when fewer trailing than starting Rob Landley <rob@landley.net> parents: 216 diff changeset	411
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	412 if (CFG_TOYBOX_FREE) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	413 close(TT.filepatch);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	414 free(oldname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	415 free(newname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 690 diff changeset	416 }
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: diff changeset	417 }

Mercurial > hg > toybox

annotate toys/posix/patch.c @ 1239:9a13e6637d7b draft