5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 1997 - 2005 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; version 2 of the License.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
20 * These are general utility functions that doesn't belong to any specific
25 #include "silcincludes.h"
27 /* XXX lib/contrib/regex.c might cmopile on WIN32 as well */
29 /* Inspects the `string' for wildcards and returns regex string that can
30 be used by the GNU regex library. A comma (`,') in the `string' means
31 that the string is list. */
33 char *silc_string_regexify(const char *string)
40 for (i = 0; i < len; i++) {
41 if (string[i] == '*' || string[i] == '?')
42 count++; /* Will add '.' */
44 count += 2; /* Will add '|' and '^' */
47 regex = silc_calloc(len + count + 1, sizeof(*regex));
53 for (i = 0; i < len; i++) {
54 if (string[i] == '*' || string[i] == '?') {
57 } else if (string[i] == ',') {
65 regex[count++] = string[i];
74 /* Combines two regex strings into one regex string so that they can be
75 used as one by the GNU regex library. The `string2' is combine into
78 char *silc_string_regex_combine(const char *string1, const char *string2)
83 len1 = strlen(string1);
84 len2 = strlen(string2);
86 tmp = silc_calloc(2 + len1 + len2, sizeof(*tmp));
87 strncat(tmp, string1, len1 - 2);
89 strncat(tmp, string2 + 1, len2 - 1);
94 /* Matches the two strings and returns TRUE if the strings match. */
96 int silc_string_regex_match(const char *regex, const char *string)
101 if (regcomp(&preg, regex, REG_NOSUB | REG_EXTENDED) != 0)
104 if (regexec(&preg, string, 0, NULL, 0) == 0)
112 /* Do regex match to the two strings `string1' and `string2'. If the
113 `string2' matches the `string1' this returns TRUE. */
115 int silc_string_match(const char *string1, const char *string2)
120 if (!string1 || !string2)
123 s1 = silc_string_regexify(string1);
124 ret = silc_string_regex_match(s1, string2);
130 /* Returns the username of the user. If the global variable LOGNAME
131 does not exists we will get the name from the password file. */
133 char *silc_get_username()
135 char *logname = NULL;
137 logname = getenv("LOGNAME");
139 logname = getlogin();
143 pw = getpwuid(getuid());
145 return strdup("foo");
147 logname = pw->pw_name;
151 return strdup(logname);
154 /* Returns the real name of ther user. */
156 char *silc_get_real_name()
158 char *realname = NULL;
161 pw = getpwuid(getuid());
163 return strdup("Foo T. Bar");
165 if (strchr(pw->pw_gecos, ','))
166 *strchr(pw->pw_gecos, ',') = 0;
168 realname = strdup(pw->pw_gecos);
173 /* Return current time to struct timeval. */
175 int silc_gettimeofday(struct timeval *p)
177 return gettimeofday(p, NULL);