From 66e7676e3a9b72cbcc74555d019aca3192dfa6ce Mon Sep 17 00:00:00 2001
From: Louis <louis.auzuret@epitech.eu>
Date: Sun, 24 May 2020 23:09:35 +0200
Subject: [PATCH] fix unalias

---
 src/builtin/builtin_unalias.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/builtin/builtin_unalias.c b/src/builtin/builtin_unalias.c
index 207260c..ab208a3 100644
--- a/src/builtin/builtin_unalias.c
+++ b/src/builtin/builtin_unalias.c
@@ -33,6 +33,7 @@ void free_alias(alias_t *alias)
 
 void remove_alias(char *alias, alias_t **list)
 {
+    alias_t *prev = NULL;
     alias_t *tmp = *list;
 
     if (!tmp)
@@ -42,15 +43,14 @@ void remove_alias(char *alias, alias_t **list)
         free_alias(tmp);
         return;
     }
-    for (alias_t *ptr = *list; ptr->next; ptr = ptr->next) {
-        if (strcmp(ptr->next->alias, alias) == 0) {
-            tmp = ptr->next;
-            ptr->next = ptr->next->next;
+    prev = tmp;
+    tmp = tmp->next;
+    for (; tmp; tmp = tmp->next) {
+        if (strcmp(tmp->alias, alias) == 0) {
+            prev->next = tmp->next;
             free_alias(tmp);
             return;
         }
+        prev = tmp;
     }
-    for (tmp = *list; tmp; tmp = tmp->next->next);
-    free_alias(tmp->next);
-    tmp->next = NULL;
 }
\ No newline at end of file