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      1 /* $NetBSD: t_rename.c,v 1.3 2017/01/13 21:30:41 christos Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2001, 2008, 2010 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 #define _NETBSD_SOURCE	/* strlcat/random */
     29 #include <sys/cdefs.h>
     30 __COPYRIGHT("@(#) Copyright (c) 2008, 2010\
     31  The NetBSD Foundation, inc. All rights reserved.");
     32 __RCSID("$NetBSD: t_rename.c,v 1.3 2017/01/13 21:30:41 christos Exp $");
     33 
     34 #include <sys/types.h>
     35 #include <sys/stat.h>
     36 
     37 #include <errno.h>
     38 #include <fcntl.h>
     39 #include <stdio.h>
     40 #include <stdlib.h>
     41 #include <string.h>
     42 #include <unistd.h>
     43 
     44 #include <atf-c.h>
     45 
     46 #include "h_macros.h"
     47 
     48 ATF_TC(rename);
     49 ATF_TC_HEAD(rename, tc)
     50 {
     51 	atf_tc_set_md_var(tc, "descr", "Checks rename(2)");
     52 }
     53 ATF_TC_BODY(rename, tc)
     54 {
     55 	struct stat sb;
     56 
     57 	REQUIRE_LIBC(open("t1", O_CREAT | O_TRUNC | O_WRONLY, 0600), -1);
     58 	REQUIRE_LIBC(link("t1", "t2"), -1);
     59 
     60 	/* Check if rename to same name works as expected */
     61 	REQUIRE_LIBC(rename("t1", "t1"), -1);
     62 
     63 	/* Rename removed file? */
     64 	REQUIRE_LIBC(stat("t1", &sb), -1);
     65 
     66 	REQUIRE_LIBC(rename("t1", "t2"), -1);
     67 
     68 #if BSD_RENAME
     69 	/* check if rename of hardlinked file works the BSD way */
     70 	ATF_REQUIRE_MSG(stat("t1", &sb) != 0, "BSD rename should remove file t1");
     71 	ATF_REQUIRE_EQ(errno, ENOENT);
     72 #else
     73 	/* check if rename of hardlinked file works as the standard says */
     74 	REQUIRE_LIBC(stat("t1", &sb), -1);
     75 #endif
     76 	/* check if we get the expected error */
     77 	/* this also exercises icky shared libraries goo */
     78 	ATF_REQUIRE_MSG(rename("no/such/file/or/dir", "no/such/file/or/dir") != 0,
     79 		"No error renaming nonexistent file");
     80 	ATF_REQUIRE_EQ(errno, ENOENT);
     81 }
     82 
     83 ATF_TP_ADD_TCS(tp)
     84 {
     85 
     86 	ATF_TP_ADD_TC(tp, rename);
     87 
     88 	return atf_no_error();
     89 }
     90