1 /*- 2 * Copyright (c) 2002 Tim J. Robbins 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 /* 28 * Test program for perror() as specified by IEEE Std. 1003.1-2001 and 29 * ISO/IEC 9899:1999. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <err.h> 36 #include <errno.h> 37 #include <limits.h> 38 #include <paths.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 static char tmpfil[PATH_MAX]; 47 48 ATF_TC_WITHOUT_HEAD(perror_test); 49 ATF_TC_BODY(perror_test, tc) 50 { 51 char lbuf[512]; 52 int i; 53 char *s; 54 55 strcpy(tmpfil, "perror.XXXXXXXX"); 56 ATF_REQUIRE(mkstemp(tmpfil) >= 0); 57 /* Reopen stderr on a file descriptor other than 2. */ 58 fclose(stderr); 59 for (i = 0; i < 3; i++) 60 dup(0); 61 ATF_REQUIRE(freopen(tmpfil, "r+", stderr) != NULL); 62 63 /* 64 * Test that perror() doesn't call strerror() (4.4BSD bug), 65 * the two ways of omitting a program name, and the formatting when 66 * a program name is specified. 67 */ 68 s = strerror(ENOENT); 69 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0, 70 "message obtained was: %s", s); 71 errno = EPERM; 72 perror(NULL); 73 perror(""); 74 perror("perror_test"); 75 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0, 76 "message obtained was: %s", s); 77 78 /* 79 * Read it back to check... 80 */ 81 rewind(stderr); 82 s = fgets(lbuf, sizeof(lbuf), stderr); 83 ATF_REQUIRE(s != NULL); 84 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0, 85 "message obtained was: %s", s); 86 s = fgets(lbuf, sizeof(lbuf), stderr); 87 ATF_REQUIRE(s != NULL); 88 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0, 89 "message obtained was: %s", s); 90 s = fgets(lbuf, sizeof(lbuf), stderr); 91 ATF_REQUIRE(s != NULL); 92 ATF_REQUIRE_MSG( 93 strcmp(s, "perror_test: Operation not permitted\n") == 0, 94 "message obtained was: %s", s); 95 s = fgets(lbuf, sizeof(lbuf), stderr); 96 ATF_REQUIRE(s == NULL); 97 fclose(stderr); 98 99 } 100 101 ATF_TP_ADD_TCS(tp) 102 { 103 104 ATF_TP_ADD_TC(tp, perror_test); 105 106 return (atf_no_error()); 107 } 108