sbase/libutil/mkdirp.c

/* See LICENSE file for copyright and license details. */
#include <sys/stat.h>

#include <errno.h>
#include <limits.h>

#include "../util.h"

int
mkdirp(const char *path, mode_t mode, mode_t pmode)
{
	char tmp[PATH_MAX], *p;
	struct stat st;

	if (stat(path, &st) == 0) {
		if (S_ISDIR(st.st_mode))
			return 0;
		errno = ENOTDIR;
		weprintf("%s:", path);
		return -1;
	}

	estrlcpy(tmp, path, sizeof(tmp));
	for (p = tmp + (tmp[0] == '/'); *p; p++) {
		if (*p != '/')
			continue;
		*p = '\0';
		if (mkdir(tmp, pmode) < 0 && errno != EEXIST) {
			weprintf("mkdir %s:", tmp);
			return -1;
		}
		*p = '/';
	}
	if (mkdir(tmp, mode) < 0 && errno != EEXIST) {
		weprintf("mkdir %s:", tmp);
		return -1;
	}
	return 0;
}