cosmopolitan/libc/x/makedirs.c
2021-01-29 21:21:06 -08:00

47 lines
2.5 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "libc/x/x.h"
/**
* Recursively creates directory a.k.a. folder.
*
* @param path is a UTF-8 string, preferably relative w/ forward slashes
* @param mode can be, for example, 0755
* @return 0 on success or -1 w/ errno
* @see mkdir()
*/
int makedirs(const char *path, unsigned mode) {
int rc;
char *dir;
if (mkdir(path, mode) != -1) return 0;
if (errno != ENOENT) return -1;
dir = xdirname(path);
if (strcmp(dir, path)) {
rc = makedirs(dir, mode);
} else {
rc = -1;
}
free(dir);
if (rc == -1) return -1;
return mkdir(path, mode);
}