diff options
Diffstat (limited to 'apps/app_math.c')
-rwxr-xr-x | apps/app_math.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/apps/app_math.c b/apps/app_math.c index 225c929df..8f351b519 100755 --- a/apps/app_math.c +++ b/apps/app_math.c @@ -108,14 +108,19 @@ static int math_exec(struct ast_channel *chan, void *data) deprecation_warning = 1; } - if (!data) { + if (!data || ast_strlen_zero(data)) { ast_log(LOG_WARNING, "No parameters passed. !\n"); return -1; } LOCAL_USER_ADD(u); - - s = ast_strdupa((void *) data); + + s = ast_strdupa(data); + if (!s) { + ast_log(LOG_ERROR, "Out of memory\n"); + LOCAL_USER_REMOVE(u); + return -1; + } mvar = strsep(&s, "|"); mvalue1 = strsep(&s, "|"); |