From bb7a6c3571aae0254e99dafca2c1c495b502810f Mon Sep 17 00:00:00 2001
From: Alexey Melnichuk <mimir@newmail.ru>
Date: Wed, 27 Aug 2014 11:08:13 +0500
Subject: [PATCH] Add. `reset` method.

---
 doc/lcurl.ldoc |  5 +++++
 src/lceasy.c   | 20 ++++++++++++++++++--
 src/lcutils.c  |  3 ++-
 src/lcutils.h  |  2 +-
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/doc/lcurl.ldoc b/doc/lcurl.ldoc
index 5c5dbf7..ef113d0 100644
--- a/doc/lcurl.ldoc
+++ b/doc/lcurl.ldoc
@@ -129,6 +129,11 @@ function easy:escape() end
 -- @return[1] decoded url
 function easy:unescape() end
 
+--- Re-initializes all options previously set.
+--
+-- @treturn easy self
+function easy:reset() end
+
 --- End easy session
 -- 
 function easy:close() end
diff --git a/src/lceasy.c b/src/lceasy.c
index fb0b40e..99c1138 100644
--- a/src/lceasy.c
+++ b/src/lceasy.c
@@ -83,8 +83,7 @@ static int lcurl_easy_cleanup(lua_State *L){
   }
 
   if(p->storage != LUA_NOREF){
-    lcurl_storage_free(L, p->storage);
-    p->storage = LUA_NOREF;
+    p->storage = lcurl_storage_free(L, p->storage);
   }
 
   return 0;
@@ -153,6 +152,22 @@ static int lcurl_easy_unescape(lua_State *L){
   return 1;
 }
 
+static int lcurl_easy_reset(lua_State *L){
+  lcurl_easy_t *p = lcurl_geteasy(L);
+  CURLcode code = curl_easy_init(p->curl);
+  if(code != CURLE_OK){
+    return lcurl_fail_ex(L, p->err_mode, LCURL_ERROR_EASY, code);
+  }
+  lua_settop(L, 1);
+
+  if(p->storage != LUA_NOREF){
+    lcurl_storage_free(L, p->storage);
+    p->storage = lcurl_storage_init(L);
+  }
+
+  return 1;
+}
+
 //{ OPTIONS
 
 static int lcurl_opt_set_long_(lua_State *L, int opt){
@@ -682,6 +697,7 @@ static const struct luaL_Reg lcurl_easy_methods[] = {
   #include "lcinfoeasy.h"
 #undef OPT_ENTRY
 
+  { "reset",    lcurl_easy_reset          },
   { "setopt",   lcurl_easy_setopt         },
   { "getinfo",  lcurl_easy_getinfo        },
   { "escape",   lcurl_easy_escape         },
diff --git a/src/lcutils.c b/src/lcutils.c
index 216f16d..aa95be7 100644
--- a/src/lcutils.c
+++ b/src/lcutils.c
@@ -44,7 +44,7 @@ struct curl_slist* lcurl_storage_remove_slist(lua_State *L, int storage, int idx
   return list;
 }
 
-void lcurl_storage_free(lua_State *L, int storage){
+int lcurl_storage_free(lua_State *L, int storage){
   lua_rawgeti(L, LCURL_LUA_REGISTRY, storage);
   lua_rawgeti(L, -1, 1); // list storage
   if(lua_istable(L, -1)){
@@ -59,6 +59,7 @@ void lcurl_storage_free(lua_State *L, int storage){
   }
   lua_pop(L, 1);
   luaL_unref(L, LCURL_LUA_REGISTRY, storage);
+  return LUA_NOREF;
 }
 
 struct curl_slist* lcurl_util_array_to_slist(lua_State *L, int t){
diff --git a/src/lcutils.h b/src/lcutils.h
index 0f11752..06c7f4e 100644
--- a/src/lcutils.h
+++ b/src/lcutils.h
@@ -24,7 +24,7 @@ int lcurl_storage_preserve_slist(lua_State *L, int storage, struct curl_slist *
 
 struct curl_slist* lcurl_storage_remove_slist(lua_State *L, int storage, int idx);
 
-void lcurl_storage_free(lua_State *L, int storage);
+int lcurl_storage_free(lua_State *L, int storage);
 
 struct curl_slist* lcurl_util_array_to_slist(lua_State *L, int t);