94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
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/* On some systems, mkdir ("foo/", 0700) fails because of the trailing
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slash. On those systems, this wrapper removes the trailing slash.
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Copyright (C) 2001, 2003, 2006, 2008-2021 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* written by Jim Meyering */
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#include <config.h>
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/* Specification. */
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "dirname.h"
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/* Disable the definition of mkdir to rpl_mkdir (from the <sys/stat.h>
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substitute) in this file. Otherwise, we'd get an endless recursion. */
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#undef mkdir
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/* mingw's _mkdir() function has 1 argument, but we pass 2 arguments.
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Additionally, it declares _mkdir (and depending on compile flags, an
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alias mkdir), only in the nonstandard includes <direct.h> and <io.h>,
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which are included in the <sys/stat.h> override. */
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#if defined _WIN32 && ! defined __CYGWIN__
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# define mkdir(name,mode) _mkdir (name)
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# define maybe_unused _GL_UNUSED
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#else
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# define maybe_unused /* empty */
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#endif
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/* This function is required at least for NetBSD 1.5.2. */
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int
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rpl_mkdir (char const *dir, mode_t mode maybe_unused)
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{
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int ret_val;
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char *tmp_dir;
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size_t len = strlen (dir);
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if (len && dir[len - 1] == '/')
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{
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tmp_dir = strdup (dir);
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if (!tmp_dir)
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{
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/* Rather than rely on strdup-posix, we set errno ourselves. */
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errno = ENOMEM;
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return -1;
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}
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strip_trailing_slashes (tmp_dir);
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}
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else
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{
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tmp_dir = (char *) dir;
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}
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#if FUNC_MKDIR_DOT_BUG
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/* Additionally, cygwin 1.5 mistakenly creates a directory "d/./". */
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{
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char *last = last_component (tmp_dir);
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if (*last == '.' && (last[1] == '\0'
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|| (last[1] == '.' && last[2] == '\0')))
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{
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struct stat st;
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if (stat (tmp_dir, &st) == 0 || errno == EOVERFLOW)
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errno = EEXIST;
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return -1;
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}
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}
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#endif /* FUNC_MKDIR_DOT_BUG */
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ret_val = mkdir (tmp_dir, mode);
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if (tmp_dir != dir)
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free (tmp_dir);
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return ret_val;
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}
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