From 8a24646c49a27457e5147b5438a2c8b41d6e672a Mon Sep 17 00:00:00 2001
From: ArsenArsen <arsenarsentmc@outlook.com>
Date: Fri, 8 Dec 2017 00:30:30 +0100
Subject: [PATCH] Potentially breaking change, free old strings

---
 rsudo.c | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/rsudo.c b/rsudo.c
index 041039e..2670a18 100644
--- a/rsudo.c
+++ b/rsudo.c
@@ -40,13 +40,14 @@ struct header_s {
     int op;
 };
 
-char *join(const char *s1, const char *s2) {
-    free((void *)s1);
+char *join(char *s1, char *s2) {
     char *result = malloc(strlen(s1) + strlen(s2) + 1);
     if (result) {
         strcpy(result, s1);
         strcat(result, s2);
     }
+    free(s1);
+    free(s2);
 
     return result;
 }
@@ -110,17 +111,6 @@ int main(int argc, char **argv) {
             exit(-1);
         }
 
-        /*
-
-        if(strlen(buffer) != header.len || strlen(buffer) - 1 != header.len)
-        {
-            printf("%u %d\n", strlen(buffer), header.len);
-            LOG_ERROR("main", "hello length != header length");
-            exit(-1);
-        }
-
-        */
-
         if (header.op != 0) {
             LOG_ERROR("main", "incorrect header op");
             exit(-1);