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/* On some systems, mkdir ("foo/", 0700) fails because of the trailing
slash. On those systems, this wrapper removes the trailing slash.
Copyright (C) 2001, 2003, 2006, 2008-2022 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/>. */
/* written by Jim Meyering */
#include <config.h>
/* Specification. */
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "dirname.h"
/* Disable the definition of mkdir to rpl_mkdir (from the <sys/stat.h>
substitute) in this file. Otherwise, we'd get an endless recursion. */
#undef mkdir
/* mingw's _mkdir() function has 1 argument, but we pass 2 arguments.
Additionally, it declares _mkdir (and depending on compile flags, an
alias mkdir), only in the nonstandard includes <direct.h> and <io.h>,
which are included in the <sys/stat.h> override. */
#if defined _WIN32 && ! defined __CYGWIN__
# define mkdir(name,mode) _mkdir (name)
# define maybe_unused _GL_UNUSED
#else
# define maybe_unused /* empty */
#endif
/* This function is required at least for NetBSD 1.5.2. */
int
rpl_mkdir (char const *dir, maybe_unused mode_t mode)
{
int ret_val;
char *tmp_dir;
size_t len = strlen (dir);
if (len && dir[len - 1] == '/')
{
tmp_dir = strdup (dir);
if (!tmp_dir)
{
/* Rather than rely on strdup-posix, we set errno ourselves. */
errno = ENOMEM;
return -1;
}
strip_trailing_slashes (tmp_dir);
}
else
{
tmp_dir = (char *) dir;
}
#if FUNC_MKDIR_DOT_BUG
/* Additionally, cygwin 1.5 mistakenly creates a directory "d/./". */
{
char *last = last_component (tmp_dir);
if (*last == '.' && (last[1] == '\0'
|| (last[1] == '.' && last[2] == '\0')))
{
struct stat st;
if (stat (tmp_dir, &st) == 0 || errno == EOVERFLOW)
errno = EEXIST;
return -1;
}
}
#endif /* FUNC_MKDIR_DOT_BUG */
ret_val = mkdir (tmp_dir, mode);
if (tmp_dir != dir)
free (tmp_dir);
return ret_val;
}
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