diff options
Diffstat (limited to 'gl/stat.c')
-rw-r--r-- | gl/stat.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/gl/stat.c b/gl/stat.c deleted file mode 100644 index 875317bf..00000000 --- a/gl/stat.c +++ /dev/null | |||
@@ -1,104 +0,0 @@ | |||
1 | /* Work around platform bugs in stat. | ||
2 | Copyright (C) 2009, 2010 Free Software Foundation, Inc. | ||
3 | |||
4 | This program is free software: you can redistribute it and/or modify | ||
5 | it under the terms of the GNU General Public License as published by | ||
6 | the Free Software Foundation; either version 3 of the License, or | ||
7 | (at your option) any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU General Public License | ||
15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | ||
16 | |||
17 | /* written by Eric Blake */ | ||
18 | |||
19 | #include <config.h> | ||
20 | |||
21 | /* Get the original definition of stat. It might be defined as a macro. */ | ||
22 | #define __need_system_sys_stat_h | ||
23 | #include <sys/types.h> | ||
24 | #include <sys/stat.h> | ||
25 | #undef __need_system_sys_stat_h | ||
26 | |||
27 | static inline int | ||
28 | orig_stat (const char *filename, struct stat *buf) | ||
29 | { | ||
30 | return stat (filename, buf); | ||
31 | } | ||
32 | |||
33 | /* Specification. */ | ||
34 | #include <sys/stat.h> | ||
35 | |||
36 | #include <errno.h> | ||
37 | #include <limits.h> | ||
38 | #include <stdbool.h> | ||
39 | #include <string.h> | ||
40 | |||
41 | /* Store information about NAME into ST. Work around bugs with | ||
42 | trailing slashes. Mingw has other bugs (such as st_ino always | ||
43 | being 0 on success) which this wrapper does not work around. But | ||
44 | at least this implementation provides the ability to emulate fchdir | ||
45 | correctly. */ | ||
46 | |||
47 | int | ||
48 | rpl_stat (char const *name, struct stat *st) | ||
49 | { | ||
50 | int result = orig_stat (name, st); | ||
51 | #if REPLACE_FUNC_STAT_FILE | ||
52 | /* Solaris 9 mistakenly succeeds when given a non-directory with a | ||
53 | trailing slash. */ | ||
54 | if (result == 0 && !S_ISDIR (st->st_mode)) | ||
55 | { | ||
56 | size_t len = strlen (name); | ||
57 | if (ISSLASH (name[len - 1])) | ||
58 | { | ||
59 | errno = ENOTDIR; | ||
60 | return -1; | ||
61 | } | ||
62 | } | ||
63 | #endif /* REPLACE_FUNC_STAT_FILE */ | ||
64 | #if REPLACE_FUNC_STAT_DIR | ||
65 | if (result == -1 && errno == ENOENT) | ||
66 | { | ||
67 | /* Due to mingw's oddities, there are some directories (like | ||
68 | c:\) where stat() only succeeds with a trailing slash, and | ||
69 | other directories (like c:\windows) where stat() only | ||
70 | succeeds without a trailing slash. But we want the two to be | ||
71 | synonymous, since chdir() manages either style. Likewise, Mingw also | ||
72 | reports ENOENT for names longer than PATH_MAX, when we want | ||
73 | ENAMETOOLONG, and for stat("file/"), when we want ENOTDIR. | ||
74 | Fortunately, mingw PATH_MAX is small enough for stack | ||
75 | allocation. */ | ||
76 | char fixed_name[PATH_MAX + 1] = {0}; | ||
77 | size_t len = strlen (name); | ||
78 | bool check_dir = false; | ||
79 | if (PATH_MAX <= len) | ||
80 | errno = ENAMETOOLONG; | ||
81 | else if (len) | ||
82 | { | ||
83 | strcpy (fixed_name, name); | ||
84 | if (ISSLASH (fixed_name[len - 1])) | ||
85 | { | ||
86 | check_dir = true; | ||
87 | while (len && ISSLASH (fixed_name[len - 1])) | ||
88 | fixed_name[--len] = '\0'; | ||
89 | if (!len) | ||
90 | fixed_name[0] = '/'; | ||
91 | } | ||
92 | else | ||
93 | fixed_name[len++] = '/'; | ||
94 | result = orig_stat (fixed_name, st); | ||
95 | if (result == 0 && check_dir && !S_ISDIR (st->st_mode)) | ||
96 | { | ||
97 | result = -1; | ||
98 | errno = ENOTDIR; | ||
99 | } | ||
100 | } | ||
101 | } | ||
102 | #endif /* REPLACE_FUNC_STAT_DIR */ | ||
103 | return result; | ||
104 | } | ||