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t_fcntl.c revision 1.2 
      1 /*	$NetBSD: t_fcntl.c,v 1.2 2019/10/20 16:02:11 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2019 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/param.h>
     33 #include <sys/types.h>
     34 #include <atf-c.h>
     35 #include <fcntl.h>
     36 #include <errno.h>
     37 #include <stdlib.h>
     38 #include <string.h>
     39 #include <unistd.h>
     40 
     41 ATF_TC(getpath);
     42 ATF_TC_HEAD(getpath, tc)
     43 {
     44 
     45 	atf_tc_set_md_var(tc, "descr", "Checks fcntl(2) F_GETPATH");
     46 }
     47 
     48 static const struct {
     49 	const char *name;
     50 	int rv;
     51 } files[] = {
     52 	{ "/bin/ls", 0 },
     53 	{ "/bin/sh", 0 },
     54 	{ "/dev/zero", 0 },
     55 	{ "/dev/null", 0 },
     56 	{ "/sbin/chown", 0 },
     57 	{ "/", ENOENT },
     58 };
     59 
     60 ATF_TC_BODY(getpath, tc)
     61 {
     62 	char path[MAXPATHLEN];
     63 	int fd, rv;
     64 
     65 	for (size_t i = 0; i < __arraycount(files); i++) {
     66 		fd = open(files[i].name, O_RDONLY|O_NOFOLLOW);
     67 		ATF_REQUIRE_MSG(fd != -1, "Cannot open `%s'", files[i].name);
     68 		rv = fcntl(fd, F_GETPATH, path);
     69 		if (files[i].rv) {
     70 			ATF_REQUIRE_MSG(errno == files[i].rv,
     71 			    "Unexpected error %d != %d for `%s'", errno,
     72 			    files[i].rv, files[i].name);
     73 		} else {
     74 			ATF_REQUIRE_MSG(rv != -1,
     75 			    "Can't get path for `%s' (%s)", files[i].name,
     76 			    strerror(errno));
     77 			ATF_REQUIRE_MSG(strcmp(files[i].name, path) == 0,
     78 			    "Bad name `%s' != `%s'", path, files[i].name);
     79 		close(fd);
     80 		}
     81 	}
     82 }
     83 
     84 ATF_TP_ADD_TCS(tp)
     85 {
     86 	ATF_TP_ADD_TC(tp, getpath);
     87 
     88 	return atf_no_error();
     89 }
     90