File Manager

003 File Manager

Current Path: /usr/src/contrib/netbsd-tests/lib/libc/gen

usr / src / contrib / netbsd-tests / lib / libc / gen /

📁 ..
📁 exect
📁 execve
📄 isqemu.h(2.74 KB)
📁 posix_spawn
📄 t_alarm.c(3.31 KB)
📄 t_assert.c(3.42 KB)
📄 t_basedirname.c(5.08 KB)
📄 t_closefrom.c(4.16 KB)
📄 t_cpuset.c(3.63 KB)
📄 t_dir.c(5.23 KB)
📄 t_floatunditf.c(4.93 KB)
📄 t_fmtcheck.c(3.28 KB)
📄 t_fnmatch.c(6.48 KB)
📄 t_fpclassify.c(4.88 KB)
📄 t_fpsetmask.c(7.6 KB)
📄 t_fpsetround.c(4.52 KB)
📄 t_ftok.c(2.98 KB)
📄 t_getcwd.c(3.52 KB)
📄 t_getgrent.c(5.01 KB)
📄 t_glob.c(6.06 KB)
📄 t_humanize_number.c(7.65 KB)
📄 t_isnan.c(1.27 KB)
📄 t_nice.c(4.67 KB)
📄 t_pause.c(2.8 KB)
📄 t_raise.c(4.31 KB)
📄 t_randomid.c(2.51 KB)
📄 t_realpath.c(4.35 KB)
📄 t_setdomainname.c(4.91 KB)
📄 t_sethostname.c(4.24 KB)
📄 t_siginfo.c(12.15 KB)
📄 t_sleep.c(8.16 KB)
📄 t_syslog.c(1.88 KB)
📄 t_time.c(3.09 KB)
📄 t_ttyname.c(4.14 KB)
📄 t_vis.c(4.7 KB)

Editing: t_dir.c

/* $NetBSD: t_dir.c,v 1.10 2017/01/11 18:15:02 christos Exp $ */

/*-
 * Copyright (c) 2010 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 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 THE FOUNDATION OR 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.
 */

#include <sys/stat.h>
#include <assert.h>
#include <atf-c.h>
#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

ATF_TC(seekdir_basic);
ATF_TC_HEAD(seekdir_basic, tc)
{

atf_tc_set_md_var(tc, "descr", "Check telldir(3) and seekdir(3) "
	    "for correct behavior (PR lib/24324)");
}

ATF_TC_BODY(seekdir_basic, tc)
{
	DIR *dp;
	char *wasname;
	struct dirent *entry;
	long here;

#define	CREAT(x, m)	do {						\
		int _creat_fd;						\
		ATF_REQUIRE_MSG((_creat_fd = creat((x), (m))) != -1,	\
		    "creat(%s, %x) failed: %s", (x), (m),		\
		    strerror(errno));					\
		(void)close(_creat_fd);					\
	} while(0);

ATF_REQUIRE_MSG(mkdir("t", 0755) == 0,
	    "mkdir failed: %s", strerror(errno));
	CREAT("t/a", 0600);
	CREAT("t/b", 0600);
	CREAT("t/c", 0600);

dp = opendir("t");
	if ( dp == NULL)
		atf_tc_fail("Could not open temp directory.");

/* skip two for . and .. */
	entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    ".", strerror(errno));

entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    "..", strerror(errno));

/* get first entry */
	entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    "first", strerror(errno));

here = telldir(dp);
	ATF_REQUIRE_MSG(here != -1, "telldir failed: %s", strerror(errno));

/* get second entry */
	entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    "second", strerror(errno));

wasname = strdup(entry->d_name);
	if (wasname == NULL)
		atf_tc_fail("cannot allocate memory");

/* get third entry */
	entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    "third", strerror(errno));

/* try to return to the position after the first entry */
	seekdir(dp, here);
	entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    "first[1]", strerror(errno));
	if (strcmp(entry->d_name, wasname) != 0)
		atf_tc_fail("1st seekdir found wrong name");

/* try again, and throw in a telldir() for good measure */
	seekdir(dp, here);
	here = telldir(dp);
	entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    "second[1]", strerror(errno));
	if (strcmp(entry->d_name, wasname) != 0)
		atf_tc_fail("2nd seekdir found wrong name");

/* One more time, to make sure that telldir() doesn't affect result */
	seekdir(dp, here);
	entry = readdir(dp);
	ATF_REQUIRE_MSG(entry != NULL, "readdir[%s] failed: %s",
	    "third[1]", strerror(errno));

if (strcmp(entry->d_name, wasname) != 0)
		atf_tc_fail("3rd seekdir found wrong name");

closedir(dp);
	free(wasname);
}

/* There is no sbrk on AArch64 and RISC-V */
#if !defined(__aarch64__) && !defined(__riscv)
ATF_TC(telldir_leak);
ATF_TC_HEAD(telldir_leak, tc)
{

atf_tc_set_md_var(tc, "descr",
	    "Check telldir(3) for memory leakage (PR lib/24324)");
}

ATF_TC_BODY(telldir_leak, tc)
{
	DIR *dp;
	char *memused;
	int i;
	int oktouse = 4096;

dp = opendir(".");
	if (dp == NULL)
		atf_tc_fail("Could not open current directory");

(void)telldir(dp);
	memused = sbrk(0);
	closedir(dp);

for (i = 0; i < 1000; i++) {
		dp = opendir(".");
		if (dp == NULL)
			atf_tc_fail("Could not open current directory");

(void)telldir(dp);
		closedir(dp);

if ((char *)sbrk(0) - memused > oktouse) {
			(void)printf("Used %td extra bytes for %d telldir "
			    "calls", ((char *)sbrk(0) - memused), i);
			oktouse = (char *)sbrk(0) - memused;
		}
	}
	if (oktouse > 4096) {
		atf_tc_fail("Failure: leaked %d bytes", oktouse);
	} else {
		(void)printf("OK: used %td bytes\n", (char *)(sbrk(0))-memused);
	}
}
#endif

ATF_TP_ADD_TCS(tp)
{

ATF_TP_ADD_TC(tp, seekdir_basic);
#if !defined(__aarch64__) && !defined(__riscv)
	ATF_TP_ADD_TC(tp, telldir_leak);
#endif

return atf_no_error();
}

003 File Manager

Editing: t_dir.c

Upload File

Create Folder