diff options
Diffstat (limited to 'lib/lstat.c')
| -rw-r--r-- | lib/lstat.c | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/lib/lstat.c b/lib/lstat.c index c721a4e641c..472bfbceb93 100644 --- a/lib/lstat.c +++ b/lib/lstat.c @@ -1,18 +1,18 @@ /* Work around a bug of lstat on some systems - Copyright (C) 1997-2006, 2008-2017 Free Software Foundation, Inc. + Copyright (C) 1997-2006, 2008-2022 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 file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + This file 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. + GNU Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* written by Jim Meyering */ @@ -42,10 +42,16 @@ orig_lstat (const char *filename, struct stat *buf) } /* Specification. */ +# ifdef __osf__ /* Write "sys/stat.h" here, not <sys/stat.h>, otherwise OSF/1 5.1 DTK cc eliminates this include because of the preliminary #include <sys/stat.h> above. */ -# include "sys/stat.h" +# include "sys/stat.h" +# else +# include <sys/stat.h> +# endif + +# include "stat-time.h" # include <string.h> # include <errno.h> @@ -66,32 +72,33 @@ orig_lstat (const char *filename, struct stat *buf) int rpl_lstat (const char *file, struct stat *sbuf) { - size_t len; - int lstat_result = orig_lstat (file, sbuf); - - if (lstat_result != 0) - return lstat_result; + int result = orig_lstat (file, sbuf); /* This replacement file can blindly check against '/' rather than using the ISSLASH macro, because all platforms with '\\' either lack symlinks (mingw) or have working lstat (cygwin) and thus do not compile this file. 0 len should have already been filtered out above, with a failure return of ENOENT. */ - len = strlen (file); - if (file[len - 1] != '/' || S_ISDIR (sbuf->st_mode)) - return 0; - - /* At this point, a trailing slash is only permitted on - symlink-to-dir; but it should have found information on the - directory, not the symlink. Call stat() to get info about the - link's referent. Our replacement stat guarantees valid results, - even if the symlink is not pointing to a directory. */ - if (!S_ISLNK (sbuf->st_mode)) + if (result == 0) { - errno = ENOTDIR; - return -1; + if (S_ISDIR (sbuf->st_mode) || file[strlen (file) - 1] != '/') + result = stat_time_normalize (result, sbuf); + else + { + /* At this point, a trailing slash is permitted only on + symlink-to-dir; but it should have found information on the + directory, not the symlink. Call 'stat' to get info about the + link's referent. Our replacement stat guarantees valid results, + even if the symlink is not pointing to a directory. */ + if (!S_ISLNK (sbuf->st_mode)) + { + errno = ENOTDIR; + return -1; + } + result = stat (file, sbuf); + } } - return stat (file, sbuf); + return result; } #endif /* HAVE_LSTAT */ |