cosmopolitan/libc/x/makedirs.c
Justine Tunney 9208c83f7a Make some systemic improvements
- add vdso dump utility
- tests now log stack usage
- rename g_ftrace to __ftrace
- make internal spinlocks go faster
- add conformant c11 atomics library
- function tracing now logs stack usage
- make function call tracing thread safe
- add -X unsecure (no ssl) mode to redbean
- munmap() has more consistent behavior now
- pacify fsync() calls on python unit tests
- make --strace flag work better in redbean
- start minimizing and documenting compiler flags
2022-05-18 16:52:36 -07:00

63 lines
2.8 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/bits/safemacros.internal.h"
#include "libc/bits/weaken.h"
#include "libc/calls/calls.h"
#include "libc/calls/strace.internal.h"
#include "libc/errno.h"
#include "libc/log/log.h"
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "libc/x/x.h"
static int MakeDirs(const char *path, unsigned mode, int e) {
int rc;
char *dir;
if (mkdir(path, mode) != -1 || errno == EEXIST) {
errno = e;
return 0;
}
if (errno != ENOENT) {
return -1;
}
dir = xdirname(path);
if (strcmp(dir, path)) {
rc = MakeDirs(dir, mode, e);
} else {
rc = -1;
}
free(dir);
if (rc == -1) return -1;
errno = e;
return mkdir(path, mode);
}
/**
* Recursively creates directory a.k.a. folder.
*
* This function won't fail if the directory already exists.
*
* @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) {
return MakeDirs(path, mode, errno);
}