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// SPDX-License-Identifier: BSD-2-Clause
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <libgen.h>
#include "mkdir_p.h"
int
mkdir_p(const char *path, mode_t mode)
{
if (path == NULL)
return -EINVAL;
if (mkdir(path, mode) == 0)
return 0;
if (errno == EEXIST)
{
struct stat st;
/* Check if the existing path is a directory */
if (stat(path, &st) != 0)
return -errno;
/* If not, fail with ENOTDIR */
if (!S_ISDIR(st.st_mode))
return -ENOTDIR;
/* if it is a directory, return */
return 0;
}
/* If it fails for any reason but ENOENT, fail */
if (errno != ENOENT)
return -errno;
char *buf = strdup(path);
if (buf == NULL)
return -ENOMEM;
int r = mkdir_p(dirname(buf), mode);
free(buf);
/* if we couldn't create the parent, fail, too */
if (r < 0)
return r;
return mkdir(path, mode);
}
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