diff options
Diffstat (limited to 'pbx.c')
-rwxr-xr-x | pbx.c | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -6029,7 +6029,21 @@ void pbx_builtin_clear_globals(void) 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) |