From 9d0615fbcd7bee7bf295f292b711af075f8721cb Mon Sep 17 00:00:00 2001
From: Chris Cromer <chris@cromer.cl>
Date: Tue, 6 Jul 2021 15:00:57 -0400
Subject: [PATCH] add checks before freeing memory

---
 src/console_line.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/console_line.c b/src/console_line.c
index 7fe7e8a..6c31c86 100644
--- a/src/console_line.c
+++ b/src/console_line.c
@@ -84,8 +84,14 @@ void print_input_line() {
     char *hostname = get_hostname();
     char *cwd = get_working_directory();
     printf(BRIGHT_GREEN "%s" RESET BRIGHT_MAGENTA "@" RESET BRIGHT_RED "%s" RESET BRIGHT_MAGENTA ":" RESET BRIGHT_BLUE "%s" RESET BRIGHT_MAGENTA "$ " RESET, username, hostname, cwd);
-    free(hostname);
-    free(cwd);
+    if (hostname != NULL) {
+        free(hostname);
+        hostname = NULL;
+    }
+    if (cwd != NULL) {
+        free(cwd);
+        cwd = NULL;
+    }
 }
 
 /**