test-readenv.c revision 256281 
182794Sobrien/*
282794Sobrien * Copyright (c) 2005 Kungliga Tekniska H��gskolan
382794Sobrien * (Royal Institute of Technology, Stockholm, Sweden).
482794Sobrien * All rights reserved.
582794Sobrien *
682794Sobrien * Redistribution and use in source and binary forms, with or without
782794Sobrien * modification, are permitted provided that the following conditions
882794Sobrien * are met:
982794Sobrien *
1082794Sobrien * 1. Redistributions of source code must retain the above copyright
1182794Sobrien *    notice, this list of conditions and the following disclaimer.
1282794Sobrien *
1382794Sobrien * 2. Redistributions in binary form must reproduce the above copyright
14119679Smbr *    notice, this list of conditions and the following disclaimer in the
1582794Sobrien *    documentation and/or other materials provided with the distribution.
1682794Sobrien *
1782794Sobrien * 3. Neither the name of the Institute nor the names of its contributors
1882794Sobrien *    may be used to endorse or promote products derived from this software
1982794Sobrien *    without specific prior written permission.
2082794Sobrien *
2182794Sobrien * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
2282794Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2382794Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24119679Smbr * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
2582794Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2682794Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2782794Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28174294Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29174294Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3082794Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3182794Sobrien * SUCH DAMAGE.
3282794Sobrien */
3382794Sobrien
3482794Sobrien#include <config.h>
35119679Smbr
3682794Sobrien#include "roken.h"
3782794Sobrien#include "test-mem.h"
3882794Sobrien
3982794Sobrienchar *s1 = "VAR1=VAL1#comment\n\
4082794SobrienVAR2=VAL2 VAL2 #comment\n\
4182794Sobrien#this another comment\n\
4282794Sobrien\n\
4382794SobrienVAR3=FOO";
44119679Smbr
4582794Sobrienchar *s2 = "VAR1=ENV2\n\
4682794Sobrien";
4782794Sobrien
4882794Sobrienstatic void
4982794Sobrienmake_file(char *tmpl, size_t l)
5082794Sobrien{
5182794Sobrien    int fd;
5282794Sobrien    strlcpy(tmpl, "env.XXXXXX", l);
53119679Smbr    fd = mkstemp(tmpl);
5482794Sobrien    if(fd < 0)
5582794Sobrien	err(1, "mkstemp");
5682794Sobrien    close(fd);
5782794Sobrien}
5882794Sobrien
59static void
60write_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
76int
77main(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