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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.
*
* This library is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this library. If not, see <http://www.gnu.org/licenses/>.
*
* To contact Galois, complete the Web form at
* <http://corp.galois.com/contact/> or write to Galois, Inc., 421 Southwest
* 6th Avenue, Suite 300, Portland, Oregon, 97204-1622. */
#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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