some cleanup and shell var

- SHELL is now set
- cwd now has realloc
- realloc with error checking is now a fucntion like malloce

1 files changed, 10 insertions, 1 deletions

diff --git a/src/helper_functions.c b/src/helper_functions.c
index 162cf45..cd35848 100644
--- a/src/helper_functions.c
+++ b/src/helper_functions.c
@@ -16,6 +16,15 @@ void *malloce(size_t size){
     return mal;
 }
 
+void *realloce(void* mal,size_t size){
+    mal=realloc(mal,size);
+    if(!mal){
+        fprintf(stderr, "lsh: allocation error\n");
+        exit(EXIT_FAILURE);
+    }
+    return mal;
+}
+
 char *pop(char *token, int ch_i){
     if(token[ch_i]=='\0'){
         return token;
@@ -83,7 +92,7 @@ char *basename(char *path_in)
 {
     char *token = NULL;
     char *lastToken = NULL;
-    char *basePath;
+    char *basePath = NULL;
 
     basePath = (char *)malloce(sizeof(char) * (strlen(path_in) + 1));
     strcpy(basePath, path_in);