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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* mkdir_p.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "common.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
int mkdir_p(const char *path)
{
size_t i, len;
char *buffer;
while (path[0] == '/' && path[1] == '/')
++path;
if (*path == '\0' || (path[0] == '/' && path[1] == '\0'))
return 0;
len = strlen(path) + 1;
buffer = alloca(len);
for (i = 0; i < len; ++i) {
if (i > 0 && (path[i] == '/' || path[i] == '\0')) {
buffer[i] = '\0';
if (mkdir(buffer, 0755) != 0) {
if (errno != EEXIST) {
fprintf(stderr, "mkdir %s: %s\n",
buffer, strerror(errno));
return -1;
}
}
}
buffer[i] = path[i];
}
return 0;
}
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