freopen_test.c revision 264737
1/*- 2 * Copyright (c) 2014 Jilles Tjoelker 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#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/tools/regression/lib/libc/stdio/test-freopen.c 264737 2014-04-21 17:40:23Z jilles $"); 29 30#include <stdbool.h> 31#include <stdio.h> 32#include <string.h> 33 34static int testnum = 1; 35 36static void 37runtest(const char *fname1, const char *mode1, const char *fname2, 38 const char *mode2, bool success) 39{ 40 FILE *fp1, *fp2; 41 const char *fname2_print; 42 43 fname2_print = fname2 != NULL ? fname2 : "<NULL>"; 44 fp1 = fopen(fname1, mode1); 45 if (fp1 == NULL) { 46 printf("not ok %d - fopen(\"%s\", \"%s\") failed\n", 47 testnum++, fname1, mode1); 48 return; 49 } 50 fp2 = freopen(fname2, mode2, fp1); 51 if (fp2 == NULL) { 52 fclose(fp1); 53 if (success) 54 printf("not ok %d - " 55 "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) " 56 "failed\n", 57 testnum++, fname2_print, mode2, fname1, mode1); 58 else 59 printf("ok %d - " 60 "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) " 61 "failed\n", 62 testnum++, fname2_print, mode2, fname1, mode1); 63 return; 64 } 65 if (success) 66 printf("ok %d - " 67 "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) " 68 "succeeded\n", 69 testnum++, fname2_print, mode2, fname1, mode1); 70 else 71 printf("not ok %d - " 72 "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) " 73 "succeeded\n", 74 testnum++, fname2_print, mode2, fname1, mode1); 75 fclose(fp2); 76} 77 78/* 79 * Test program for freopen(). 80 */ 81int 82main(int argc, char *argv[]) 83{ 84 printf("1..19\n"); 85 runtest("/dev/null", "r", NULL, "r", true); 86 runtest("/dev/null", "w", NULL, "r", false); 87 runtest("/dev/null", "r+", NULL, "r", true); 88 runtest("/dev/null", "r", NULL, "w", false); 89 runtest("/dev/null", "w", NULL, "w", true); 90 runtest("/dev/null", "r+", NULL, "w", true); 91 runtest("/dev/null", "r", NULL, "a", false); 92 runtest("/dev/null", "w", NULL, "a", true); 93 runtest("/dev/null", "r+", NULL, "a", true); 94 runtest("/dev/null", "r", NULL, "r+", false); 95 runtest("/dev/null", "w", NULL, "r+", false); 96 runtest("/dev/null", "r+", NULL, "r+", true); 97 runtest("/dev/null", "r", NULL, "w+", false); 98 runtest("/dev/null", "w", NULL, "w+", false); 99 runtest("/dev/null", "r+", NULL, "w+", true); 100 runtest("/bin/sh", "r", NULL, "r", true); 101 runtest("/bin/sh", "r", "/bin/sh", "r", true); 102 runtest("/bin/sh", "r", "/dev/null", "r", true); 103 runtest("/bin/sh", "r", "/dev/null", "w", true); 104 105 return 0; 106} 107 108/* vim:ts=8:cin:sw=8 109 * */ 110