added generic single linked list

git-svn-id: https://svn.spreadspace.org/tcpproxy/trunk@6 e61f0598-a718-4e21-a8f0-0aadfa62ad6b

1 files changed, 9 insertions, 48 deletions

diff --git a/src/string_list.c b/src/string_list.c
index 3c7316d..192ff19 100644
--- a/src/string_list.c
+++ b/src/string_list.c
@@ -30,65 +30,26 @@
 #include <stdio.h>
 
 #include "string_list.h"
+#include "slist.h"
 
-void string_list_init(string_list_t* list)
+int string_list_init(string_list_t* list)
 {
-  if(!list)
-    return;
-  
-  list->first_ = NULL;
+  return slist_init(list, &free);
 }
 
 void string_list_clear(string_list_t* list)
 {
-  if(!list)
-    return;
-
-  while(list->first_) {
-    string_list_element_t* tmp;
-    tmp = list->first_;
-    list->first_ = tmp->next_;
-    if(tmp->string_)
-      free(tmp->string_);
-    free(tmp);
-  }
+  slist_clear(list);
 }
 
 int string_list_add(string_list_t* list, const char* string)
 {
   if(!list)
     return -1;
+  
+  if(slist_add(list, strdup(string)) == NULL)
+    return -2;
 
-  if(!list->first_) {
-    list->first_ = malloc(sizeof(string_list_element_t));
-    if(!list->first_)
-      return -2;
-
-    list->first_->next_ = 0;
-    list->first_->string_ = strdup(string);
-    if(!list->first_->string_) {
-      free(list->first_);
-      list->first_ = NULL;
-      return -2;
-    }
-  }
-  else {
-    string_list_element_t* tmp = list->first_;
-    while(tmp->next_)
-      tmp = tmp->next_;
-
-    tmp->next_  = malloc(sizeof(string_list_element_t));
-    if(!tmp->next_)
-      return -2;
-
-    tmp->next_->next_ = 0;
-    tmp->next_->string_ = strdup(string);
-    if(!tmp->next_->string_) {
-      free(tmp->next_);
-      tmp->next_ = NULL;
-      return -2;
-    }
-  }
   return 0;
 }
 
@@ -97,9 +58,9 @@ void string_list_print(string_list_t* list, const char* head, const char* tail)
   if(!list)
     return;
   
-  string_list_element_t* tmp = list->first_;
+  slist_element_t* tmp = list->first_;
   while(tmp) {
-    printf("%s%s%s", head, tmp->string_, tail);
+    printf("%s%s%s", head, (char*)(tmp->data_), tail);
     tmp = tmp->next_;
   }
 }