-/* Inspects the `string' for wildcards and returns regex string that can
- be used by the GNU regex library. A comma (`,') in the `string' means
- that the string is list. */
-
-char *silc_string_regexify(const char *string)
-{
- int i, len, count;
- char *regex;
-
- len = strlen(string);
- count = 4;
- for (i = 0; i < len; i++)
- if (string[i] == '*' || string[i] == '?')
- count++;
-
- regex = silc_calloc(len + count, sizeof(*regex));
-
- count = 0;
- regex[count] = '(';
- count++;
-
- for (i = 0; i < len; i++) {
- if (string[i] == '*' || string[i] == '?') {
- regex[count] = '.';
- count++;
- } else if (string[i] == ',') {
- regex[count] = '|';
- count++;
- continue;
- }
-
- regex[count] = string[i];
- count++;
- }
-
- regex[count - 1] = ')';
- regex[count] = '$';
-
- return regex;
-}
-
-/* Combines two regex strings into one regex string so that they can be
- used as one by the GNU regex library. The `string2' is combine into
- the `string1'. */
-
-char *silc_string_regex_combine(const char *string1, const char *string2)
-{
- char *tmp;
- int len1, len2;
-
- len1 = strlen(string1);
- len2 = strlen(string2);
-
- tmp = silc_calloc(2 + len1 + len2, sizeof(*tmp));
- strncat(tmp, string1, len1 - 2);
- strncat(tmp, "|", 1);
- strncat(tmp, string2 + 1, len2 - 1);
-
- return tmp;
-}
-
-/* Matches the two strings and returns TRUE if the strings match. */
-
-int silc_string_regex_match(const char *regex, const char *string)
-{
- regex_t preg;
- int ret = FALSE;
-
- if (regcomp(&preg, regex, REG_NOSUB | REG_EXTENDED) < 0)
- return FALSE;
-
- if (regexec(&preg, string, 0, NULL, 0) == 0)
- ret = TRUE;
-
- regfree(&preg);
-
- return ret;
-}
-
-/* Do regex match to the two strings `string1' and `string2'. If the
- `string2' matches the `string1' this returns TRUE. */
-
-int silc_string_match(const char *string1, const char *string2)
-{
- char *s1;
- int ret = FALSE;
-
- s1 = silc_string_regexify(string1);
- ret = silc_string_regex_match(s1, string2);
- silc_free(s1);
-
- return ret;
-}
-
-/* Returns the username of the user. If the global variable LOGNAME
- does not exists we will get the name from the password file. */
-
-char *silc_get_username()
-{
- char *logname = NULL;
-
- logname = getenv("LOGNAME");
- if (!logname) {
- logname = getlogin();
- if (!logname) {
- struct passwd *pw;
-
- pw = getpwuid(getuid());
- if (!pw) {
- fprintf(stderr, "silc_get_username: %s\n", strerror(errno));
- return NULL;
- }
-
- logname = pw->pw_name;
- }
- }
-
- return strdup(logname);
-}
-
-/* Returns the real name of ther user. */
-
-char *silc_get_real_name()
-{
- char *realname = NULL;
- struct passwd *pw;
-
- pw = getpwuid(getuid());
- if (!pw) {
- fprintf(stderr, "silc_get_username: %s\n", strerror(errno));
- return NULL;
- }
-
- if (strchr(pw->pw_gecos, ','))
- *strchr(pw->pw_gecos, ',') = 0;
-
- realname = strdup(pw->pw_gecos);
-
- return realname;
-}
-