Mercurial > hg > toybox
annotate lib/lib.h @ 565:44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
author | Rob Landley <rob@landley.net> |
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date | Sat, 14 Apr 2012 22:30:41 -0500 |
parents | 2548e6e590b2 |
children | 4877cff01b25 |
rev | line source |
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2
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Infrastructure, first drop of toy shell, and a bit of work on df.
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1 /* vi: set ts=4 :*/ |
7
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2 /* lib.h - header file for lib directory |
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3 * |
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4 * Copyright 2006 Rob Landley <rob@landley.net> |
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5 */ |
2
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6 |
417
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7 // Unfortunately, sizeof() doesn't work in a preprocessor test. TODO. |
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8 |
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9 //#if sizeof(double) <= sizeof(long) |
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10 //typedef double FLOAT; |
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11 //#else |
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12 typedef float FLOAT; |
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13 //#endif |
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14 |
35 | 15 // libc generally has this, but the headers are screwed up |
16 ssize_t getline(char **lineptr, size_t *n, FILE *stream); | |
17 | |
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18 // llist.c |
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19 |
565
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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20 // All these list types can be handled by the same code because first element |
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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21 // is always next pointer, so next = (mytype *)&struct. |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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22 |
20
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23 struct string_list { |
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24 struct string_list *next; |
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25 char str[0]; |
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26 }; |
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27 |
25
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New option parsing infrastructure (doesn't use getopt). Hook it up to
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28 struct arg_list { |
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29 struct arg_list *next; |
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30 char *arg; |
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31 }; |
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32 |
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33 struct double_list { |
565
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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34 struct double_list *next, *prev; |
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35 char *data; |
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36 }; |
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37 |
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Move dlist_add() to lib/llist.c
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38 void llist_free(void *list, void (*freeit)(void *data)); |
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Move dlist_add() to lib/llist.c
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39 void *llist_pop(void *list); // actually void **list, but the compiler's dumb |
540
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Redo tail to use optargs and optionally support lseek. Add support to optargs and llist.c, plus add a test suite entry. Still no -f support though.
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40 void dlist_add_nomalloc(struct double_list **list, struct double_list *new); |
315
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Upgrade patch to detect hunks that start after a false start.
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41 struct double_list *dlist_add(struct double_list **list, char *data); |
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42 |
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Break out dirtree.c and let it call a function instead of returning the data.
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43 // args.c |
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44 void get_optflags(void); |
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45 |
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46 // dirtree.c |
565
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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47 |
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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48 // Values returnable from callback function (bitfield, or them together) |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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49 // Default with no callback is 0 |
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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50 |
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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51 // Do not add this node to the tree |
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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52 #define DIRTREE_NOSAVE 1 |
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53 // Do not recurse into children |
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54 #define DIRTREE_NORECURSE 2 |
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55 // Call again after handling all children (Directories only. Sets linklen = -1) |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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56 #define DIRTREE_COMEAGAIN 4 |
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57 // Follow symlinks to directories |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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58 #define DIRTREE_SYMFOLLOW 8 |
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59 // Abort recursive dirtree. (Forces NOSAVE and NORECURSE on this entry.) |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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60 #define DIRTREE_ABORT (256|DIRTREE_NOSAVE|DIRTREE_NORECURSE) |
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61 |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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62 #define DIRTREE_ABORTVAL ((struct dirtree *)1) |
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63 |
95
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Add xstat(), read_dirtree(), and read_dirtree_node().
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64 struct dirtree { |
565
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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65 struct dirtree *next, *parent, *child; |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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66 long extra; // place for user to store their stuff (can be pointer) |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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67 long data; // dirfd for directory, linklen for symlink |
95
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68 struct stat st; |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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69 char *symlink; |
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70 char name[]; |
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71 }; |
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72 |
565
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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73 struct dirtree *dirtree_add_node(int dirfd, char *name); |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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74 char *dirtree_path(struct dirtree *node, int *plen); |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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75 int dirtree_isdotdot(struct dirtree *catch); |
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76 struct dirtree *handle_callback(struct dirtree *new, |
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77 int (*callback)(struct dirtree *node)); |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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78 void dirtree_recurse(struct dirtree *node, |
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79 int (*callback)(struct dirtree *node)); |
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Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
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80 struct dirtree *dirtree_read(char *path, int (*callback)(struct dirtree *node)); |
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81 |
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82 // lib.c |
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Replace strlcpy() with xstrcpy(), which exits if the string won't fit.
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83 void xstrcpy(char *dest, char *src, size_t size); |
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fc9c0503d5e2
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84 void verror_msg(char *msg, int err, va_list va); |
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85 void error_msg(char *msg, ...); |
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86 void perror_msg(char *msg, ...); |
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87 void error_exit(char *msg, ...) noreturn; |
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88 void perror_exit(char *msg, ...) noreturn; |
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89 void *xmalloc(size_t size); |
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90 void *xzalloc(size_t size); |
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91 void *xrealloc(void *ptr, size_t size); |
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92 char *xstrndup(char *s, size_t n); |
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93 char *xstrdup(char *s); |
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94 char *xmsprintf(char *format, ...); |
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95 void xprintf(char *format, ...); |
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96 void xputs(char *s); |
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97 void xputc(char c); |
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98 void xflush(void); |
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99 void xexec(char **argv); |
51 | 100 void xaccess(char *path, int flags); |
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101 void xunlink(char *path); |
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102 int xcreate(char *path, int flags, int mode); |
bb4c38853a7d
xopen() wants 2 arguments unless you're creating a file, in which case you
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parents:
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103 int xopen(char *path, int flags); |
201
5d523752715a
Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents:
185
diff
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104 void xclose(int fd); |
565
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
Rob Landley <rob@landley.net>
parents:
551
diff
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105 int xdup(int fd); |
2
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
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106 FILE *xfopen(char *path, char *mode); |
63
69efffcacd70
Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
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parents:
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diff
changeset
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107 ssize_t readall(int fd, void *buf, size_t len); |
69efffcacd70
Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
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parents:
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changeset
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108 ssize_t writeall(int fd, void *buf, size_t len); |
69efffcacd70
Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
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parents:
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diff
changeset
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109 size_t xread(int fd, void *buf, size_t len); |
69efffcacd70
Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
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parents:
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diff
changeset
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110 void xreadall(int fd, void *buf, size_t len); |
69efffcacd70
Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
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parents:
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changeset
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111 void xwrite(int fd, void *buf, size_t len); |
340 | 112 off_t xlseek(int fd, off_t offset, int whence); |
311
962bbf7341f8
Tweak from Roberto Foglietta.
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parents:
308
diff
changeset
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113 char *readfile(char *name); |
962bbf7341f8
Tweak from Roberto Foglietta.
Rob Landley <rob@landley.net>
parents:
308
diff
changeset
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114 char *xreadfile(char *name); |
4
732b055e17f7
Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path().
landley@driftwood
parents:
3
diff
changeset
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115 char *xgetcwd(void); |
95
a636e4d20f13
Add xstat(), read_dirtree(), and read_dirtree_node().
Rob Landley <rob@landley.net>
parents:
75
diff
changeset
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116 void xstat(char *path, struct stat *st); |
16
dd10785b6532
Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
Rob Landley <rob@landley.net>
parents:
8
diff
changeset
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117 char *xabspath(char *path); |
292
b4077be6c746
Update mdev to work around the newest sysfs api breakage in the 2.6.25 kernel.
Rob Landley <rob@landley.net>
parents:
284
diff
changeset
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118 void xchdir(char *path); |
216
5697a3f7c8cf
Make patch's file add actually work, including directory creating and
Rob Landley <rob@landley.net>
parents:
214
diff
changeset
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119 void xmkpath(char *path, int mode); |
370 | 120 void xsetuid(uid_t uid); |
20
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
16
diff
changeset
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121 struct string_list *find_in_path(char *path, char *filename); |
7
fc9c0503d5e2
Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents:
4
diff
changeset
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122 void utoa_to_buf(unsigned n, char *buf, unsigned buflen); |
fc9c0503d5e2
Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents:
4
diff
changeset
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123 void itoa_to_buf(int n, char *buf, unsigned buflen); |
fc9c0503d5e2
Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents:
4
diff
changeset
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124 char *utoa(unsigned n); |
fc9c0503d5e2
Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents:
4
diff
changeset
|
125 char *itoa(int n); |
102
aa4fa2543a65
Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents:
97
diff
changeset
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126 long atolx(char *c); |
565
44abf4d901f3
Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
Rob Landley <rob@landley.net>
parents:
551
diff
changeset
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127 int numlen(long l); |
75
89ca591a9236
More random progress on mke2fs. Nothing to see yet.
Rob Landley <rob@landley.net>
parents:
70
diff
changeset
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128 off_t fdlength(int fd); |
115
19b5567f0a1b
Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents:
102
diff
changeset
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129 char *xreadlink(char *name); |
397
b7afbc6b753a
Forgot to check in loopfiles_rw changes needed by truncate.
Rob Landley <rob@landley.net>
parents:
370
diff
changeset
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130 void loopfiles_rw(char **argv, int flags, int permissions, int failok, |
b7afbc6b753a
Forgot to check in loopfiles_rw changes needed by truncate.
Rob Landley <rob@landley.net>
parents:
370
diff
changeset
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131 void (*function)(int fd, char *name)); |
185
29e2051296fd
Add loopfiles() function, make catv use it.
Rob Landley <rob@landley.net>
parents:
167
diff
changeset
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132 void loopfiles(char **argv, void (*function)(int fd, char *name)); |
284
603275a05524
Teach get_rawline() to continue until a configurable char, and xstrndup()
Rob Landley <rob@landley.net>
parents:
263
diff
changeset
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133 char *get_rawline(int fd, long *plen, char end); |
201
5d523752715a
Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents:
185
diff
changeset
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134 char *get_line(int fd); |
5d523752715a
Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents:
185
diff
changeset
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135 void xsendfile(int in, int out); |
209 | 136 int copy_tempfile(int fdin, char *name, char **tempname); |
137 void delete_tempfile(int fdin, int fdout, char **tempname); | |
138 void replace_tempfile(int fdin, int fdout, char **tempname); | |
337
aaafa1ceaa91
Add -N, -I, -L, and -P options to cksum.
Rob Landley <rob@landley.net>
parents:
334
diff
changeset
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139 void crc_init(unsigned int *crc_table, int little_endian); |
419
af0cca0aba9d
Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents:
417
diff
changeset
|
140 void terminal_size(unsigned *x, unsigned *y); |
503
3b9dea897dc0
Upgrade yesno() and make cp -i use it.
Rob Landley <rob@landley.net>
parents:
498
diff
changeset
|
141 int yesno(char *prompt, int def); |
478
7f292460d268
And again, I forgot to check in a file. Oops.
Rob Landley <rob@landley.net>
parents:
475
diff
changeset
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142 void for_each_pid_with_name_in(char **names, void (*callback)(pid_t pid)); |
419
af0cca0aba9d
Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents:
417
diff
changeset
|
143 |
2
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
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changeset
|
144 |
3
266a462ed18c
Next drop of toysh, plus more infratructure.
landley@driftwood
parents:
2
diff
changeset
|
145 // getmountlist.c |
2
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
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146 struct mtab_list { |
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
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147 struct mtab_list *next; |
7
fc9c0503d5e2
Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents:
4
diff
changeset
|
148 struct stat stat; |
fc9c0503d5e2
Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents:
4
diff
changeset
|
149 struct statvfs statvfs; |
2
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
|
150 char *dir; |
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
|
151 char *device; |
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
|
152 char type[0]; |
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
|
153 }; |
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
|
154 |
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
|
155 struct mtab_list *getmountlist(int die); |
67b517913e56
Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff
changeset
|
156 |
64
67ee3a0b76e1
In bunzip replace setjmp/longjmp handling with error_exit(), replace string
Rob Landley <rob@landley.net>
parents:
63
diff
changeset
|
157 void bunzipStream(int src_fd, int dst_fd); |
498
c9aaceccd6bd
Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents:
478
diff
changeset
|
158 |
c9aaceccd6bd
Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents:
478
diff
changeset
|
159 // signal |
c9aaceccd6bd
Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents:
478
diff
changeset
|
160 |
c9aaceccd6bd
Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents:
478
diff
changeset
|
161 int sig_to_num(char *pidstr); |
c9aaceccd6bd
Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents:
478
diff
changeset
|
162 char *num_to_sig(int sig); |
551
2548e6e590b2
Add string to mode_t parser
Daniel Walter <d.walter@0x90.at>
parents:
540
diff
changeset
|
163 |
2548e6e590b2
Add string to mode_t parser
Daniel Walter <d.walter@0x90.at>
parents:
540
diff
changeset
|
164 mode_t string_to_mode(char *mode_str, mode_t base); |