1 /* $NetBSD: test-readenv.c,v 1.2 2017/01/28 21:31:50 christos Exp $ */
2
3 /*
4 * Copyright (c) 2005 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <config.h>
37
38 #include <krb5/roken.h>
39 #include "test-mem.h"
40
41 char *s1 = "VAR1=VAL1#comment\n\
42 VAR2=VAL2 VAL2 #comment\n\
43 #this another comment\n\
44 \n\
45 VAR3=FOO";
46
47 char *s2 = "VAR1=ENV2\n\
48 ";
49
50 static void
make_file(char * tmpl,size_t l)51 make_file(char *tmpl, size_t l)
52 {
53 int fd;
54 strlcpy(tmpl, "env.XXXXXX", l);
55 fd = mkstemp(tmpl);
56 if(fd < 0)
57 err(1, "mkstemp");
58 close(fd);
59 }
60
61 static void
write_file(const char * fn,const char * s)62 write_file(const char *fn, const char *s)
63 {
64 FILE *f;
65 f = fopen(fn, "w");
66 if(f == NULL) {
67 unlink(fn);
68 err(1, "fopen");
69 }
70 if(fwrite(s, 1, strlen(s), f) != strlen(s))
71 err(1, "short write");
72 if(fclose(f) != 0) {
73 unlink(fn);
74 err(1, "fclose");
75 }
76 }
77
78 int
main(int argc,char ** argv)79 main(int argc, char **argv)
80 {
81 char **env = NULL;
82 int count = 0;
83 char fn[MAXPATHLEN];
84 int error = 0;
85
86 make_file(fn, sizeof(fn));
87
88 write_file(fn, s1);
89 count = read_environment(fn, &env);
90 if(count != 3) {
91 warnx("test 1: variable count %d != 3", count);
92 error++;
93 }
94
95 write_file(fn, s2);
96 count = read_environment(fn, &env);
97 if(count != 1) {
98 warnx("test 2: variable count %d != 1", count);
99 error++;
100 }
101
102 unlink(fn);
103 count = read_environment(fn, &env);
104 if(count != 0) {
105 warnx("test 3: variable count %d != 0", count);
106 error++;
107 }
108 for(count = 0; env && env[count]; count++);
109 if(count != 3) {
110 warnx("total variable count %d != 3", count);
111 error++;
112 }
113 free_environment(env);
114
115
116 return error;
117 }
118