xref: /freebsd/lib/libc/tests/gen/ftw_test.c (revision 93e779a26c651610ac6e7986d67ecc9ed2cadcbf)
1 /*-
2  * Copyright (c) 2012 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 /*
28  * Limited test program for nftw() as specified by IEEE Std. 1003.1-2008.
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include <sys/wait.h>
35 #include <err.h>
36 #include <errno.h>
37 #include <fcntl.h>
38 #include <ftw.h>
39 #include <limits.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <spawn.h>
44 #include <unistd.h>
45 
46 #include <atf-c.h>
47 
48 extern char **environ;
49 
50 static char template[] = "testftw.XXXXXXXXXX";
51 static char dir[PATH_MAX];
52 static int ftwflags;
53 
54 static int
55 cb(const char *path, const struct stat *st, int type, struct FTW *f)
56 {
57 
58 	switch (type) {
59 	case FTW_D:
60 		if ((ftwflags & FTW_DEPTH) == 0)
61 			return (0);
62 		break;
63 	case FTW_DP:
64 		if ((ftwflags & FTW_DEPTH) != 0)
65 			return (0);
66 		break;
67 	case FTW_SL:
68 		if ((ftwflags & FTW_PHYS) != 0)
69 			return (0);
70 		break;
71 	}
72 	ATF_CHECK_MSG(false,
73 	    "unexpected path=%s type=%d f.level=%d\n",
74 	    path, type, f->level);
75 	return (0);
76 }
77 
78 ATF_TC_WITHOUT_HEAD(ftw_test);
79 ATF_TC_BODY(ftw_test, tc)
80 {
81 	int fd;
82 
83 	ATF_REQUIRE_MSG(mkdtemp(template) != NULL, "mkdtemp failed");
84 
85 	/* XXX: the path needs to be absolute for the 0/FTW_DEPTH testcases */
86 	ATF_REQUIRE_MSG(realpath(template, dir) != NULL,
87 	    "realpath failed; errno=%d", errno);
88 
89 	fd = open(dir, O_DIRECTORY|O_RDONLY);
90 	ATF_REQUIRE_MSG(fd != -1, "open failed; errno=%d", errno);
91 
92 	ATF_REQUIRE_MSG(mkdirat(fd, "d1", 0777) == 0,
93 	    "mkdirat failed; errno=%d", errno);
94 
95 	ATF_REQUIRE_MSG(symlinkat(dir, fd, "d1/looper") == 0,
96 	    "symlinkat failed; errno=%d", errno);
97 
98 	printf("ftwflags=FTW_PHYS\n");
99 	ftwflags = FTW_PHYS;
100 	ATF_REQUIRE_MSG(nftw(dir, cb, 10, ftwflags) != -1,
101 	    "nftw FTW_PHYS failed; errno=%d", errno);
102 
103 	printf("ftwflags=FTW_PHYS|FTW_DEPTH\n");
104 	ftwflags = FTW_PHYS|FTW_DEPTH;
105 	ATF_REQUIRE_MSG(nftw(dir, cb, 10, ftwflags) != -1,
106 	    "nftw FTW_PHYS|FTW_DEPTH failed; errno=%d", errno);
107 
108 	printf("ftwflags=0\n");
109 	ftwflags = 0;
110 	ATF_REQUIRE_MSG(nftw(dir, cb, 10, ftwflags) != -1,
111 	    "nftw 0 failed; errno=%d", errno);
112 
113 	printf("ftwflags=FTW_DEPTH\n");
114 	ftwflags = FTW_DEPTH;
115 	ATF_REQUIRE_MSG(nftw(dir, cb, 10, ftwflags) != -1,
116 	    "nftw FTW_DEPTH failed; errno=%d", errno);
117 
118 	close(fd);
119 }
120 
121 ATF_TP_ADD_TCS(tp)
122 {
123 
124 	ATF_TP_ADD_TC(tp, ftw_test);
125 
126 	return (atf_no_error());
127 }
128