Handle calloc failures

1 files changed, 4 insertions, 1 deletions

diff --git a/sway/commands/assign.c b/sway/commands/assign.c
index 1824692b..992b4692 100644
--- a/sway/commands/assign.c
+++ b/sway/commands/assign.c
@@ -23,11 +23,14 @@ struct cmd_results *cmd_assign(int argc, char **argv) {
         char *movecmd = "move container to workspace ";
         int arglen = strlen(movecmd) + strlen(*argv) + 1;
         char *cmdlist = calloc(1, arglen);
-
+        if (!cmdlist) {
+                return cmd_results_new(CMD_FAILURE, "assign", "Unable to allocate command list");
+        }
         snprintf(cmdlist, arglen, "%s%s", movecmd, *argv);
 
         struct criteria *crit = malloc(sizeof(struct criteria));
         if (!crit) {
+                free(cmdlist);
                 return cmd_results_new(CMD_FAILURE, "assign", "Unable to allocate criteria");
         }
         crit->crit_raw = strdup(criteria);