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 #include <err.h> 34 #include <errno.h> 35 #include <limits.h> 36 #include <paths.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 #include <unistd.h> 41 42 #include <atf-c.h> 43 44 static char tmpfil[PATH_MAX]; 45 46 ATF_TC_WITHOUT_HEAD(perror_test); 47 ATF_TC_BODY(perror_test, tc) 48 { 49 char lbuf[512]; 50 int i; 51 char *s; 52 53 strcpy(tmpfil, "perror.XXXXXXXX"); 54 ATF_REQUIRE(mkstemp(tmpfil) >= 0); 55 /* Reopen stderr on a file descriptor other than 2. */ 56 fclose(stderr); 57 for (i = 0; i < 3; i++) 58 dup(0); 59 ATF_REQUIRE(freopen(tmpfil, "r+", stderr) != NULL); 60 61 /* 62 * Test that perror() doesn't call strerror() (4.4BSD bug), 63 * the two ways of omitting a program name, and the formatting when 64 * a program name is specified. 65 */ 66 s = strerror(ENOENT); 67 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0, 68 "message obtained was: %s", s); 69 errno = EPERM; 70 perror(NULL); 71 perror(""); 72 perror("perror_test"); 73 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0, 74 "message obtained was: %s", s); 75 76 /* 77 * Read it back to check... 78 */ 79 rewind(stderr); 80 s = fgets(lbuf, sizeof(lbuf), stderr); 81 ATF_REQUIRE(s != NULL); 82 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0, 83 "message obtained was: %s", s); 84 s = fgets(lbuf, sizeof(lbuf), stderr); 85 ATF_REQUIRE(s != NULL); 86 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0, 87 "message obtained was: %s", s); 88 s = fgets(lbuf, sizeof(lbuf), stderr); 89 ATF_REQUIRE(s != NULL); 90 ATF_REQUIRE_MSG( 91 strcmp(s, "perror_test: Operation not permitted\n") == 0, 92 "message obtained was: %s", s); 93 s = fgets(lbuf, sizeof(lbuf), stderr); 94 ATF_REQUIRE(s == NULL); 95 fclose(stderr); 96 97 } 98 99 ATF_TP_ADD_TCS(tp) 100 { 101 102 ATF_TP_ADD_TC(tp, perror_test); 103 104 return (atf_no_error()); 105 } 106