diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/c063/t_readlinkat.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/c063/t_readlinkat.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/c063/t_readlinkat.c b/contrib/netbsd-tests/lib/libc/c063/t_readlinkat.c new file mode 100644 index 0000000..d354ff5 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/c063/t_readlinkat.c @@ -0,0 +1,157 @@ +/* $NetBSD: t_readlinkat.c,v 1.3 2013/03/17 04:46:06 jmmv Exp $ */ + +/*- + * Copyright (c) 2012 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Emmanuel Dreyfus. + * + * 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/cdefs.h> +__RCSID("$NetBSD: t_readlinkat.c,v 1.3 2013/03/17 04:46:06 jmmv Exp $"); + +#include <atf-c.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <paths.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <sys/param.h> + +#define DIR "dir" +#define FILE "dir/readlinkat" +#define BASEFILE "readlinkat" +#define LINK "dir/symlink" +#define BASELINK "symlink" +#define FILEERR "dir/readlinkaterr" + +ATF_TC(readlinkat_fd); +ATF_TC_HEAD(readlinkat_fd, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that readlinkat works with fd"); +} +ATF_TC_BODY(readlinkat_fd, tc) +{ + int dfd; + int fd; + ssize_t len; + char buf[MAXPATHLEN]; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + ATF_REQUIRE(symlink(FILE, LINK) == 0); + + ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); + len = readlinkat(dfd, BASELINK, buf, sizeof(buf)-1); + ATF_REQUIRE(len != -1); + buf[len] = 0; + ATF_REQUIRE(close(dfd) == 0); + + ATF_REQUIRE(strcmp(buf, FILE) == 0); +} + +ATF_TC(readlinkat_fdcwd); +ATF_TC_HEAD(readlinkat_fdcwd, tc) +{ + atf_tc_set_md_var(tc, "descr", + "See that readlinkat works with fd as AT_FDCWD"); +} +ATF_TC_BODY(readlinkat_fdcwd, tc) +{ + int fd; + ssize_t len; + char buf[MAXPATHLEN]; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + ATF_REQUIRE(symlink(FILE, LINK) == 0); + + len = readlinkat(AT_FDCWD, LINK, buf, sizeof(buf)-1); + ATF_REQUIRE(len != -1); + buf[len] = 0; + + ATF_REQUIRE(strcmp(buf, FILE) == 0); +} + +ATF_TC(readlinkat_fdcwderr); +ATF_TC_HEAD(readlinkat_fdcwderr, tc) +{ + atf_tc_set_md_var(tc, "descr", + "See that readlinkat fails with fd as AT_FDCWD and bad path"); +} +ATF_TC_BODY(readlinkat_fdcwderr, tc) +{ + char buf[MAXPATHLEN]; + + ATF_REQUIRE(readlinkat(AT_FDCWD, LINK, buf, sizeof(buf)) == -1); +} + +ATF_TC(readlinkat_fderr1); +ATF_TC_HEAD(readlinkat_fderr1, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that readlinkat fail with bad path"); +} +ATF_TC_BODY(readlinkat_fderr1, tc) +{ + int dfd; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); + ATF_REQUIRE(readlinkat(dfd, FILEERR, F_OK, 0) == -1); + ATF_REQUIRE(close(dfd) == 0); +} + +ATF_TC(readlinkat_fderr2); +ATF_TC_HEAD(readlinkat_fderr2, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that readlinkat fails with fd as -1"); +} +ATF_TC_BODY(readlinkat_fderr2, tc) +{ + int fd; + char buf[MAXPATHLEN]; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + ATF_REQUIRE(symlink(FILE, LINK) == 0); + + ATF_REQUIRE(readlinkat(-1, LINK, buf, sizeof(buf)) == -1); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, readlinkat_fd); + ATF_TP_ADD_TC(tp, readlinkat_fdcwd); + ATF_TP_ADD_TC(tp, readlinkat_fdcwderr); + ATF_TP_ADD_TC(tp, readlinkat_fderr1); + ATF_TP_ADD_TC(tp, readlinkat_fderr2); + + return atf_no_error(); +} |
