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/* tmpdir.c -- fixture to create a temporary directory
* Copyright (C) 2010 caf <https://stackoverflow.com/users/134633>
* Copyright (C) 2014 Galois, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither Galois's name nor the names of other contributors may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY GALOIS AND OTHER CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL GALOIS OR OTHER CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define _POSIX_C_SOURCE 200809L // mkdtemp(3)
/* This is a bit out of order, but it needs to go here, before *any* includes
* are done, so that they can catch _XOPEN_SOURCE. */
#if HAVE_FTW_H
# define _XOPEN_SOURCE 500
# include <ftw.h>
#endif
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <check.h>
#include "tmpdir.h"
#define ignore(x) ((void)(x))
#if (HAVE_STRUCT_FTW && HAVE_MKDTEMP && HAVE_NFTW)
static int unlink_cb(
const char *fpath,
const struct stat *sb,
int typeflag,
struct FTW *ftwbuf)
{
ignore(sb);
ignore(typeflag);
ignore(ftwbuf);
return remove(fpath);
}
static inline int rm_rf(char *path)
{
return nftw(path, unlink_cb, 64, FTW_DEPTH | FTW_PHYS);
}
static char tmpdir_buf[64];
void tmpdir_make() {
const char template[] = "scratch.XXXXXX";
strcpy(tmpdir_buf, template);
ck_assert(mkdtemp(tmpdir_buf) != NULL);
}
const char *tmpdir_name() {
if (strlen(tmpdir_buf) == 0) {
return NULL;
} else {
return tmpdir_buf;
}
}
void tmpdir_clean() {
rm_rf(tmpdir_buf);
tmpdir_buf[0] = '\0';
}
#endif
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