static int pbx_checkcondition(char *condition)
{
- return condition ? atoi(condition) : 0;
+ if (condition) {
+ if (*condition == '\0') {
+ /* Empty strings are false */
+ return 0;
+ } else if (*condition >= '0' && *condition <= '9') {
+ /* Numbers are evaluated for truth */
+ return atoi(condition);
+ } else {
+ /* Strings are true */
+ return 1;
+ }
+ } else {
+ /* NULL is also false */
+ return 0;
+ }
}
static int pbx_builtin_gotoif(struct ast_channel *chan, void *data)