From 64073b2490e5b6abbe267810718c0c5e2544a130 Mon Sep 17 00:00:00 2001
From: Renge <renge@renge.io>
Date: Fri, 15 Apr 2022 21:24:56 -0400
Subject: [PATCH] fix: free args if expr is invalid

---
 hw4/src/jobs.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/hw4/src/jobs.c b/hw4/src/jobs.c
index 58baf9b..e60a07e 100644
--- a/hw4/src/jobs.c
+++ b/hw4/src/jobs.c
@@ -341,8 +341,16 @@ int jobs_run(PIPELINE *pline) {
                 char **args = jobs_get_args(pline->commands->args);
                 
                 // run command
-                if (execvp(args[0], args) == -1)
+                if (execvp(args[0], args) == -1) {
+                    char **char_ptr = args;
+                    while (*char_ptr)
+                    {
+                        free(*char_ptr);
+                        char_ptr ++;
+                    }
+                    free(args);
                     exit(-1);
+                }
             }
             
             else {