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/* Error-checking replacement for "mkdir -p".
Copyright (C) 2018-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <support/support.h>
#include <support/check.h>
#include <support/xunistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/* Equivalent of "mkdir -p". Any failures cause FAIL_EXIT1 so no
return code is needed. */
void
xmkdirp (const char *path, mode_t mode)
{
struct stat s;
const char *slash_p;
int rv;
if (path[0] == 0)
return;
if (stat (path, &s) == 0)
{
if (S_ISDIR (s.st_mode))
return;
errno = EEXIST;
FAIL_EXIT1 ("mkdir_p (\"%s\", 0%o): %m", path, mode);
}
slash_p = strrchr (path, '/');
if (slash_p != NULL)
{
while (slash_p > path && slash_p[-1] == '/')
--slash_p;
if (slash_p > path)
{
char *parent = xstrndup (path, slash_p - path);
xmkdirp (parent, mode);
free (parent);
}
}
rv = mkdir (path, mode);
if (rv != 0)
FAIL_EXIT1 ("mkdir_p (\"%s\", 0%o): %m", path, mode);
return;
}
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