This is a maintenance fork
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/*-*- 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 2020 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/calls/internal.h"
#include "libc/calls/struct/stat.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/nt/files.h"
#include "libc/str/str.h"
#include "libc/sysv/errfuns.h"
/**
* Returns true if file exists at path.
*
* Please note that things which aren't strictly files, e.g. directories
* or sockets, could be considered files for the purposes of this
* function. The stat() function may be used to differentiate them.
*/
bool fileexists(const char *path) {
int rc, olderr;
struct stat st;
uint16_t path16[PATH_MAX];
if (!IsWindows()) {
olderr = errno;
rc = stat(path, &st);
if (rc == -1 && (errno == ENOENT || errno == ENOTDIR)) {
errno = olderr;
}
return rc != -1;
} else {
if (__mkntpath(path, path16) == -1) return -1;
return GetFileAttributes(path16) != -1u;
}
}