1 /*
2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
3  * Author: William Roske
4  * Co-pilot: Dave Fenner
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of version 2 of the GNU General Public License as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it would be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13  *
14  * Further, this software is distributed without any warranty that it is
15  * free of the rightful claim of any third person regarding infringement
16  * or the like.  Any license provided herein, whether implied or
17  * otherwise, applies only to this software file.  Patent licenses, if
18  * any, provided herein do not apply to combinations of this program with
19  * other software, or any other product whatsoever.
20  *
21  * You should have received a copy of the GNU General Public License along
22  * with this program; if not, write the Free Software Foundation, Inc.,
23  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24  *
25  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
26  * Mountain View, CA  94043, or:
27  *
28  * http://www.sgi.com
29  *
30  * For further information regarding this notice, see:
31  *
32  * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
33  *
34  */
35 
36 /*
37  * Testcase to test the basic functionality of fpathconf(2) system call.
38  */
39 
40 #include <fcntl.h>
41 #include <unistd.h>
42 #include <errno.h>
43 #include <string.h>
44 #include <signal.h>
45 #include "test.h"
46 #include "safe_macros.h"
47 
48 static void setup(void);
49 static void cleanup(void);
50 
51 static struct pathconf_args {
52 	char *name;
53 	int value;
54 } test_cases[] = {
55 	{"_PC_MAX_CANON", _PC_MAX_CANON},
56 	{"_PC_MAX_INPUT", _PC_MAX_INPUT},
57 	{"_PC_VDISABLE", _PC_VDISABLE},
58 	{"_PC_LINK_MAX", _PC_LINK_MAX},
59 	{"_PC_NAME_MAX", _PC_NAME_MAX},
60 	{"_PC_PATH_MAX", _PC_PATH_MAX},
61 	{"_PC_PIPE_BUF", _PC_PIPE_BUF},
62 	{"_PC_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED},
63 	{"_PC_NO_TRUNC", _PC_NO_TRUNC},
64 };
65 
66 char *TCID = "fpathconf01";
67 int TST_TOTAL = ARRAY_SIZE(test_cases);
68 
69 static int fd;
70 
71 int main(int ac, char **av)
72 {
73 	int lc;
74 	int i;
75 
76 	tst_parse_opts(ac, av, NULL, NULL);
77 
78 	setup();
79 
80 	for (lc = 0; TEST_LOOPING(lc); lc++) {
81 
82 		tst_count = 0;
83 
84 		for (i = 0; i < TST_TOTAL; i++) {
85 			errno = 0;
86 
87 			TEST(fpathconf(fd, test_cases[i].value));
88 
89 			if (TEST_RETURN == -1) {
90 				if (TEST_ERRNO == 0) {
91 					tst_resm(TINFO,
92 						 "fpathconf has NO limit for "
93 						 "%s", test_cases[i].name);
94 				} else {
95 					tst_resm(TFAIL | TTERRNO,
96 						 "fpathconf(fd, %s) failed",
97 						 test_cases[i].name);
98 				}
99 			} else {
100 				tst_resm(TPASS,
101 					 "fpathconf(fd, %s) returned %ld",
102 					 test_cases[i].name, TEST_RETURN);
103 			}
104 		}
105 	}
106 
107 	cleanup();
108 
109 	tst_exit();
110 }
111 
112 static void setup(void)
113 {
114 	tst_sig(FORK, DEF_HANDLER, cleanup);
115 
116 	TEST_PAUSE;
117 
118 	tst_tmpdir();
119 
120 	fd = SAFE_OPEN(cleanup, "fpafile01", O_RDWR | O_CREAT, 0700);
121 }
122 
123 static void cleanup(void)
124 {
125 	if (fd > 0)
126 		SAFE_CLOSE(NULL, fd);
127 
128 	tst_rmdir();
129 }
130