xref: /freebsd/crypto/heimdal/lib/roken/test-readenv.c (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1 /*
2  * Copyright (c) 2005 Kungliga Tekniska Högskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include <config.h>
35 
36 #include "roken.h"
37 #include "test-mem.h"
38 
39 char *s1 = "VAR1=VAL1#comment\n\
40 VAR2=VAL2 VAL2 #comment\n\
41 #this another comment\n\
42 \n\
43 VAR3=FOO";
44 
45 char *s2 = "VAR1=ENV2\n\
46 ";
47 
48 static void
49 make_file(char *tmpl, size_t l)
50 {
51     int fd;
52     strlcpy(tmpl, "env.XXXXXX", l);
53     fd = mkstemp(tmpl);
54     if(fd < 0)
55 	err(1, "mkstemp");
56     close(fd);
57 }
58 
59 static void
60 write_file(const char *fn, const char *s)
61 {
62     FILE *f;
63     f = fopen(fn, "w");
64     if(f == NULL) {
65 	unlink(fn);
66 	err(1, "fopen");
67     }
68     if(fwrite(s, 1, strlen(s), f) != strlen(s))
69 	err(1, "short write");
70     if(fclose(f) != 0) {
71 	unlink(fn);
72 	err(1, "fclose");
73     }
74 }
75 
76 int
77 main(int argc, char **argv)
78 {
79     char **env = NULL;
80     int count = 0;
81     char fn[MAXPATHLEN];
82     int error = 0;
83 
84     make_file(fn, sizeof(fn));
85 
86     write_file(fn, s1);
87     count = read_environment(fn, &env);
88     if(count != 3) {
89 	warnx("test 1: variable count %d != 3", count);
90 	error++;
91     }
92 
93     write_file(fn, s2);
94     count = read_environment(fn, &env);
95     if(count != 1) {
96 	warnx("test 2: variable count %d != 1", count);
97 	error++;
98     }
99 
100     unlink(fn);
101     count = read_environment(fn, &env);
102     if(count != 0) {
103 	warnx("test 3: variable count %d != 0", count);
104 	error++;
105     }
106     for(count = 0; env && env[count]; count++);
107     if(count != 3) {
108 	warnx("total variable count %d != 3", count);
109 	error++;
110     }
111     free_environment(env);
112 
113 
114     return error;
115 }
116