wget/lib/rmdir.c

57 lines
1.6 KiB
C

/* Work around rmdir bugs.
Copyright (C) 1988, 1990, 1999, 2003-2006, 2009-2023 Free Software
Foundation, Inc.
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 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 Lesser General Public License for more details.
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/>. */
#include <config.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include "filename.h"
#undef rmdir
#if defined _WIN32 && !defined __CYGWIN__
# define rmdir _rmdir
#endif
/* Remove directory DIR.
Return 0 if successful, -1 if not. */
int
rpl_rmdir (char const *dir)
{
/* Work around cygwin 1.5.x bug where rmdir("dir/./") succeeds. */
size_t len = strlen (dir);
int result;
while (len && ISSLASH (dir[len - 1]))
len--;
if (len && dir[len - 1] == '.' && (1 == len || ISSLASH (dir[len - 2])))
{
errno = EINVAL;
return -1;
}
result = rmdir (dir);
/* Work around mingw bug, where rmdir("file/") fails with EINVAL
instead of ENOTDIR. We've already filtered out trailing ., the
only reason allowed by POSIX for EINVAL. */
if (result == -1 && errno == EINVAL)
errno = ENOTDIR;
return result;
}