1 files changed, 5 insertions, 0 deletions
diff --git a/webhook_exec.h b/webhook_exec.h
index 445ed88..48b9a4b 100644
--- a/webhook_exec.h
+++ b/webhook_exec.h
@@ -23,6 +23,11 @@ char *webhook_exec( webhooks_data_t *wh_data, char *wh_endpoint ){
     }
     wh_data->wh_response = NULL;
     wh_data->wh_output = (char*)calloc( (size_t)MAX_WEBHOOK_OUTPUT_LENGTH, sizeof(char) );
+    if ( wh_data->wh_output == NULL ){
+        wh_data->wh_command = NULL;
+        wh_data->wh_output = NULL;
+        return "Error: failed to allocate memory for command output";
+    }
     FILE *wh_proc = popen( wh_data->wh_command->valuestring, "r" );
     if ( wh_proc == NULL ){
         free( wh_data->wh_output );