Mercurial > hg > toybox
annotate toys/other/readlink.c @ 792:0027cfa330da
Switch readlink on by default, and fill out readlink.test.
author | Rob Landley <rob@landley.net> |
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date | Thu, 17 Jan 2013 23:18:03 -0600 |
parents | 50d759f8b371 |
children | 57f2a26fa92c |
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Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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1 /* readlink.c - Return string representation of a symbolic link. |
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2 * |
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3 * Copyright 2007 Rob Landley <rob@landley.net> |
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4 |
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Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse().
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5 USE_READLINK(NEWTOY(readlink, "<1>1fenq[-fe]", TOYFLAG_BIN)) |
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6 |
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7 config READLINK |
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8 bool "readlink" |
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9 default y |
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10 help |
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11 usage: readlink FILE |
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12 |
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13 With no options, show what symlink points to, return error if not symlink. |
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14 |
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15 Options for producing cannonical paths (all symlinks/./.. resolved): |
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16 |
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17 -e cannonical path to existing entry (fail if missing) |
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18 -f full path (fail if directory missing) |
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19 -n no trailing newline |
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20 -q quiet (no output, just error code) |
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21 */ |
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22 |
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23 #define FOR_readlink |
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24 #include "toys.h" |
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25 |
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26 void readlink_main(void) |
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27 { |
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Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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28 char *s; |
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29 |
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Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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30 // Calculating full cannonical path? |
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31 |
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Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse().
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32 if (toys.optflags & (FLAG_f|FLAG_e)) |
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Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse().
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33 s = xabspath(*toys.optargs, toys.optflags & FLAG_e); |
50d759f8b371
Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse().
Rob Landley <rob@landley.net>
parents:
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34 else s = xreadlink(*toys.optargs); |
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35 |
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:
656
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36 if (s) { |
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37 if (!(toys.optflags & FLAG_q)) |
977e19296b3f
Update readlink so -f works. Add -menq while there.
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38 xprintf((toys.optflags & FLAG_n) ? "%s" : "%s\n", s); |
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Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents:
656
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39 if (CFG_TOYBOX_FREE) free(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:
656
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40 } else toys.exitval = 1; |
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41 } |