1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 /*
21 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
25 */
26
27 #include "config.h"
28
29 #undef G_DISABLE_ASSERT
30 #undef G_LOG_DOMAIN
31
32 #ifdef GLIB_COMPILATION
33 #undef GLIB_COMPILATION
34 #endif
35
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39
40 #include <glib.h>
41
42 #ifdef HAVE_UNISTD_H
43 #include <unistd.h>
44 #endif
45
46 int
main(int argc,char * argv[])47 main (int argc, char *argv[])
48 {
49 gboolean result;
50 const gchar *data;
51 gchar *variable = "TEST_G_SETENV";
52 gchar *value1 = "works";
53 gchar *value2 = "again";
54
55 data = g_getenv (variable);
56 g_assert (data == NULL && "TEST_G_SETENV already set");
57
58 result = g_setenv (variable, value1, TRUE);
59 g_assert (result && "g_setenv() failed");
60
61 data = g_getenv (variable);
62 g_assert (data != NULL && "g_getenv() returns NULL");
63 g_assert (strcmp (data, value1) == 0 && "g_getenv() returns wrong value");
64
65 result = g_setenv (variable, value2, FALSE);
66 g_assert (result && "g_setenv() failed");
67
68 data = g_getenv (variable);
69 g_assert (data != NULL && "g_getenv() returns NULL");
70 g_assert (strcmp (data, value2) != 0 && "g_setenv() always overwrites");
71 g_assert (strcmp (data, value1) == 0 && "g_getenv() returns wrong value");
72
73 result = g_setenv (variable, value2, TRUE);
74 g_assert (result && "g_setenv() failed");
75
76 data = g_getenv (variable);
77 g_assert (data != NULL && "g_getenv() returns NULL");
78 g_assert (strcmp (data, value1) != 0 && "g_setenv() doesn't overwrite");
79 g_assert (strcmp (data, value2) == 0 && "g_getenv() returns wrong value");
80
81 g_unsetenv (variable);
82 data = g_getenv (variable);
83 g_assert (data == NULL && "g_unsetenv() doesn't work");
84
85 #if 0
86 /* We can't test this, because it's an illegal argument that
87 * we g_return_if_fail for.
88 */
89 result = g_setenv ("foo=bar", "baz", TRUE);
90 g_assert (!result && "g_setenv() accepts '=' in names");
91 #endif
92
93 result = g_setenv ("foo", "bar=baz", TRUE);
94 g_assert (result && "g_setenv() doesn't accept '=' in values");
95 #if 0
96 /* While glibc supports '=' in names in getenv(), SUS doesn't say anything about it,
97 * and Solaris doesn't support it.
98 */
99 data = g_getenv ("foo=bar");
100 g_assert (strcmp (data, "baz") == 0 && "g_getenv() doesn't support '=' in names");
101 #endif
102 data = g_getenv ("foo");
103 g_assert (strcmp (data, "bar=baz") == 0 && "g_getenv() doesn't support '=' in values");
104
105 #if 0
106 /* We can't test this, because it's an illegal argument that
107 * we g_return_if_fail for. Plus how would we check for failure,
108 * since we can't set the value...
109 */
110 g_unsetenv ("foo=bar");
111 #endif
112 g_unsetenv ("foo");
113 data = g_getenv ("foo");
114 g_assert (data == NULL && "g_unsetenv() doesn't support '=' in values");
115
116 return 0;
117 }
118