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2b778ceb | 1 | /* Copyright (C) 1998-2021 Free Software Foundation, Inc. |
3214b89b | 2 | This file is part of the GNU C Library. |
59f4b0c8 | 3 | |
3214b89b AJ |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
59f4b0c8 | 8 | |
3214b89b | 9 | The GNU C Library is distributed in the hope that it will be useful, |
59f4b0c8 UD |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
3214b89b | 12 | Lesser General Public License for more details. |
59f4b0c8 | 13 | |
3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
ab84e3ff | 15 | License along with the GNU C Library. If not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
59f4b0c8 UD |
17 | |
18 | /* This file contains only wrappers around the real glob functions. It | |
19 | became necessary since the glob_t structure changed. */ | |
bde3fab6 | 20 | #include <sys/types.h> |
59f4b0c8 | 21 | #include <glob.h> |
0772663d | 22 | #include <shlib-compat.h> |
59f4b0c8 | 23 | |
0772663d | 24 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) |
59f4b0c8 UD |
25 | |
26 | /* This is the old structure. The difference is that the gl_pathc and | |
27 | gl_offs elements have type `int'. */ | |
28 | typedef struct | |
29 | { | |
30 | int gl_pathc; /* Count of paths matched by the pattern. */ | |
31 | char **gl_pathv; /* List of matched pathnames. */ | |
32 | int gl_offs; /* Slots to reserve in `gl_pathv'. */ | |
33 | int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */ | |
34 | ||
35 | /* If the GLOB_ALTDIRFUNC flag is set, the following functions | |
36 | are used instead of the normal file access functions. */ | |
0772663d UD |
37 | void (*gl_closedir) (void *); |
38 | struct dirent *(*gl_readdir) (void *); | |
f17a4233 | 39 | void *(*gl_opendir) (const char *); |
24d6e175 MT |
40 | int (*gl_lstat) (const char *, struct stat *); |
41 | int (*gl_stat) (const char *, struct stat *); | |
59f4b0c8 UD |
42 | } old_glob_t; |
43 | ||
44 | ||
45 | int | |
25366174 | 46 | attribute_compat_text_section |
59f4b0c8 | 47 | __old_glob (const char *pattern, int flags, |
f41d856f | 48 | int (*errfunc) (const char *, int), |
59f4b0c8 UD |
49 | old_glob_t *pglob) |
50 | { | |
51 | glob_t correct; | |
52 | int result; | |
53 | ||
54 | /* Construct an object of correct type. */ | |
55 | correct.gl_pathc = pglob->gl_pathc; | |
56 | correct.gl_pathv = pglob->gl_pathv; | |
57 | correct.gl_offs = pglob->gl_offs; | |
58 | correct.gl_flags = pglob->gl_flags; | |
59 | correct.gl_closedir = pglob->gl_closedir; | |
60 | correct.gl_readdir = pglob->gl_readdir; | |
61 | correct.gl_opendir = pglob->gl_opendir; | |
ccf970c7 AZ |
62 | /* Set gl_lstat and gl_stat for both gl_stat for compatibility with old |
63 | implementation that did not follow dangling symlinks. */ | |
64 | correct.gl_lstat = pglob->gl_stat; | |
59f4b0c8 UD |
65 | correct.gl_stat = pglob->gl_stat; |
66 | ||
67 | result = glob (pattern, flags, errfunc, &correct); | |
68 | ||
69 | /* And convert it back. */ | |
70 | pglob->gl_pathc = correct.gl_pathc; | |
71 | pglob->gl_pathv = correct.gl_pathv; | |
72 | pglob->gl_offs = correct.gl_offs; | |
73 | pglob->gl_flags = correct.gl_flags; | |
74 | pglob->gl_closedir = correct.gl_closedir; | |
75 | pglob->gl_readdir = correct.gl_readdir; | |
76 | pglob->gl_opendir = correct.gl_opendir; | |
ccf970c7 | 77 | /* Only need to restore gl_stat. */ |
59f4b0c8 UD |
78 | pglob->gl_stat = correct.gl_stat; |
79 | ||
80 | return result; | |
81 | } | |
0772663d | 82 | compat_symbol (libc, __old_glob, glob, GLIBC_2_0); |
59f4b0c8 UD |
83 | |
84 | ||
85 | /* Free storage allocated in PGLOB by a previous `glob' call. */ | |
86 | void | |
25366174 | 87 | attribute_compat_text_section |
59f4b0c8 UD |
88 | __old_globfree (old_glob_t *pglob) |
89 | { | |
90 | glob_t correct; | |
91 | ||
92 | /* We only need these two symbols. */ | |
93 | correct.gl_pathc = pglob->gl_pathc; | |
94 | correct.gl_pathv = pglob->gl_pathv; | |
9259ad13 | 95 | correct.gl_offs = pglob->gl_offs; |
59f4b0c8 UD |
96 | |
97 | globfree (&correct); | |
98 | } | |
0772663d | 99 | compat_symbol (libc, __old_globfree, globfree, GLIBC_2_0); |
59f4b0c8 UD |
100 | |
101 | #endif |