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 @@ -/* Work around platform bugs in stat. - Copyright (C) 2009, 2010 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -/* written by Eric Blake */ - -#include <config.h> - -/* Get the original definition of stat. It might be defined as a macro. */ -#define __need_system_sys_stat_h -#include <sys/types.h> -#include <sys/stat.h> -#undef __need_system_sys_stat_h - -static inline int -orig_stat (const char *filename, struct stat *buf) -{ - return stat (filename, buf); -} - -/* Specification. */ -#include <sys/stat.h> - -#include <errno.h> -#include <limits.h> -#include <stdbool.h> -#include <string.h> - -/* Store information about NAME into ST. Work around bugs with - trailing slashes. Mingw has other bugs (such as st_ino always - being 0 on success) which this wrapper does not work around. But - at least this implementation provides the ability to emulate fchdir - correctly. */ - -int -rpl_stat (char const *name, struct stat *st) -{ - int result = orig_stat (name, st); -#if REPLACE_FUNC_STAT_FILE - /* Solaris 9 mistakenly succeeds when given a non-directory with a - trailing slash. */ - if (result == 0 && !S_ISDIR (st->st_mode)) - { - size_t len = strlen (name); - if (ISSLASH (name[len - 1])) - { - errno = ENOTDIR; - return -1; - } - } -#endif /* REPLACE_FUNC_STAT_FILE */ -#if REPLACE_FUNC_STAT_DIR - if (result == -1 && errno == ENOENT) - { - /* Due to mingw's oddities, there are some directories (like - c:\) where stat() only succeeds with a trailing slash, and - other directories (like c:\windows) where stat() only - succeeds without a trailing slash. But we want the two to be - synonymous, since chdir() manages either style. Likewise, Mingw also - reports ENOENT for names longer than PATH_MAX, when we want - ENAMETOOLONG, and for stat("file/"), when we want ENOTDIR. - Fortunately, mingw PATH_MAX is small enough for stack - allocation. */ - char fixed_name[PATH_MAX + 1] = {0}; - size_t len = strlen (name); - bool check_dir = false; - if (PATH_MAX <= len) - errno = ENAMETOOLONG; - else if (len) - { - strcpy (fixed_name, name); - if (ISSLASH (fixed_name[len - 1])) - { - check_dir = true; - while (len && ISSLASH (fixed_name[len - 1])) - fixed_name[--len] = '\0'; - if (!len) - fixed_name[0] = '/'; - } - else - fixed_name[len++] = '/'; - result = orig_stat (fixed_name, st); - if (result == 0 && check_dir && !S_ISDIR (st->st_mode)) - { - result = -1; - errno = ENOTDIR; - } - } - } -#endif /* REPLACE_FUNC_STAT_DIR */ - return result; -} |