fopen_test.c revision 255303 
1/*-
2 * Copyright (c) 2013 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-fopen.c 255303 2013-09-06 13:47:16Z jilles $");
29
30#include	<fcntl.h>
31#include	<stdio.h>
32#include	<string.h>
33
34/*
35 * O_ACCMODE is currently defined incorrectly. This is what it should be.
36 * Various code depends on the incorrect value.
37 */
38#define CORRECT_O_ACCMODE (O_ACCMODE | O_EXEC)
39
40static int testnum = 1;
41
42static void
43runtest(const char *fname, const char *mode)
44{
45	FILE *fp;
46	int fd, flags, wantedflags;
47
48	fp = fopen(fname, mode);
49	if (fp == NULL) {
50		printf("not ok %d - fopen(\"%s\", \"%s\") failed\n",
51		    testnum++, fname, mode);
52		printf("not ok %d - FD_CLOEXEC # SKIP\n",
53		    testnum++);
54		return;
55	}
56	fd = fileno(fp);
57	if (fd < 0)
58		printf("not ok %d - fileno() failed\n", testnum++);
59	else
60		printf("ok %d - fopen(\"%s\", \"%s\") and fileno() succeeded\n",
61		    testnum++, fname, mode);
62	if (fcntl(fd, F_GETFD) == (strchr(mode, 'e') != NULL ? FD_CLOEXEC : 0))
63		printf("ok %d - FD_CLOEXEC flag correct\n", testnum++);
64	else
65		printf("not ok %d - FD_CLOEXEC flag incorrect\n", testnum++);
66	flags = fcntl(fd, F_GETFL);
67	if (strchr(mode, '+'))
68		wantedflags = O_RDWR | (*mode == 'a' ? O_APPEND : 0);
69	else if (*mode == 'r')
70		wantedflags = O_RDONLY;
71	else if (*mode == 'w')
72		wantedflags = O_WRONLY;
73	else if (*mode == 'a')
74		wantedflags = O_WRONLY | O_APPEND;
75	else
76		wantedflags = -1;
77	if (wantedflags == -1)
78		printf("not ok %d - unrecognized mode\n", testnum++);
79	else if ((flags & (CORRECT_O_ACCMODE | O_APPEND)) == wantedflags)
80		printf("ok %d - correct access mode\n", testnum++);
81	else
82		printf("not ok %d - incorrect access mode\n", testnum++);
83	fclose(fp);
84}
85
86/*
87 * Test program for fopen().
88 */
89int
90main(int argc, char *argv[])
91{
92	printf("1..45\n");
93	runtest("/dev/null", "r");
94	runtest("/dev/null", "r+");
95	runtest("/dev/null", "w");
96	runtest("/dev/null", "w+");
97	runtest("/dev/null", "a");
98	runtest("/dev/null", "a+");
99	runtest("/dev/null", "re");
100	runtest("/dev/null", "r+e");
101	runtest("/dev/null", "we");
102	runtest("/dev/null", "w+e");
103	runtest("/dev/null", "ae");
104	runtest("/dev/null", "a+e");
105	runtest("/dev/null", "re+");
106	runtest("/dev/null", "we+");
107	runtest("/dev/null", "ae+");
108
109	return 0;
110}
111
112/* vim:ts=8:cin:sw=8
113 *  */
114