Add. setopt method.

```Lua
e:setopt(curl.OPT_URL, 'http://example.com')
```

msvc/lcurl.vcproj

@@ -197,12 +197,6 @@
 				RelativePath="..\src\lcutils.c"
 				>
 			</File>
-			<Filter
-				Name="Resource Files"
-				Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
-				UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
-				>
-			</Filter>
 		</Filter>
 		<Filter
 			Name="Header Files"
@@ -242,6 +236,12 @@
 				>
 			</File>
 		</Filter>
+		<Filter
+			Name="Resource Files"
+			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
+			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
+			>
+		</Filter>
 	</Files>
 	<Globals>
 	</Globals>

src/lceasy.c

@@ -157,7 +157,6 @@ static int lcurl_easy_unescape(lua_State *L){
   return 1;
 }
 
-
 //{ OPTIONS
 
 static int lcurl_opt_set_long_(lua_State *L, int opt){
@@ -563,13 +562,32 @@ static int lcurl_easy_set_HEADERFUNCTION(lua_State *L){
 
 //}
 
-//}
+static int lcurl_easy_setopt(lua_State *L){
+  lcurl_easy_t *p = lcurl_geteasy(L);
+  int opt = luaL_checklong(L, 2);
+  lua_remove(L, 2);
 
+#define OPT_ENTRY(l, N, T, S) case CURLOPT_##N: return lcurl_easy_set_##N(L);
+  switch(opt){
+    #include "lcopteasy.h"
+    OPT_ENTRY(postfields,      POSTFIELDS,     TTT, 0)
+    OPT_ENTRY(httppost,        HTTPPOST,       TTT, 0)
+    OPT_ENTRY(writefunction,   WRITEFUNCTION,  TTT, 0)
+    OPT_ENTRY(readfunction,    READFUNCTION,   TTT, 0)
+    OPT_ENTRY(headerfunction,  HEADERFUNCTION, TTT, 0)
+  }
+#undef OPT_ENTRY
+
+  return lcurl_fail_ex(L, p->err_mode, LCURL_ERROR_EASY, CURLE_UNKNOWN_OPTION);
+}
+
+//}
 
 static const struct luaL_Reg lcurl_easy_methods[] = {
 
 #define OPT_ENTRY(L, N, T, S) { "setopt_"#L, lcurl_easy_set_##N },
   #include "lcopteasy.h"
+  OPT_ENTRY(postfields,      POSTFIELDS,     TTT, 0)
   OPT_ENTRY(httppost,        HTTPPOST,       TTT, 0)
   OPT_ENTRY(writefunction,   WRITEFUNCTION,  TTT, 0)
   OPT_ENTRY(readfunction,    READFUNCTION,   TTT, 0)
@@ -580,8 +598,9 @@ static const struct luaL_Reg lcurl_easy_methods[] = {
   #include "lcinfoeasy.h"
 #undef OPT_ENTRY
 
-  { "escape",   lcurl_easy_escape,        },
-  { "unescape", lcurl_easy_unescape,      },
+  { "setopt",   lcurl_easy_setopt         },
+  { "escape",   lcurl_easy_escape         },
+  { "unescape", lcurl_easy_unescape       },
   { "perform",  lcurl_easy_perform        },
   { "close",    lcurl_easy_cleanup        },
   { "__gc",     lcurl_easy_cleanup        },
@@ -589,8 +608,28 @@ static const struct luaL_Reg lcurl_easy_methods[] = {
   {NULL,NULL}
 };
 
+static const lcurl_const_t lcurl_easy_opt[] = {
+
+#define OPT_ENTRY(L, N, T, S) { "OPT_"#N, CURLOPT_##N },
+#include "lcopteasy.h"
+  OPT_ENTRY(postfields,      POSTFIELDS,     TTT, 0)
+  OPT_ENTRY(httppost,        HTTPPOST,       TTT, 0)
+  OPT_ENTRY(writefunction,   WRITEFUNCTION,  TTT, 0)
+  OPT_ENTRY(readfunction,    READFUNCTION,   TTT, 0)
+  OPT_ENTRY(headerfunction,  HEADERFUNCTION, TTT, 0)
+#undef OPT_ENTRY
+
+#define OPT_ENTRY(L, N, T, S) { "INFO_"#N, CURLINFO_##N },
+#include "lcinfoeasy.h"
+#undef OPT_ENTRY
+
+  {NULL, 0}
+};
+
 void lcurl_easy_initlib(lua_State *L, int nup){
   if(!lutil_createmetap(L, LCURL_EASY, lcurl_easy_methods, nup))
     lua_pop(L, nup);
   lua_pop(L, 1);
+
+  lcurl_util_set_const(L, lcurl_easy_opt);
 }

src/lcutils.c

@@ -98,4 +98,11 @@ void lcurl_util_slist_to_table(lua_State *L, struct curl_slist* list){
   lcurl_util_slist_set(L, -1, list);
 }
 
-
+void lcurl_util_set_const(lua_State *L, const lcurl_const_t *reg){
+  lcurl_const_t *p;
+  for(p = reg; p->name; ++p){
+    lua_pushstring(L, p->name);
+    lua_pushnumber(L, p->value);
+    lua_settable(L, -3);
+  }
+}

src/lcutils.h

@@ -3,6 +3,11 @@
 
 #include "lcurl.h"
 
+typedef struct lcurl_const_tag{
+  const char *name;
+  int value;
+}lcurl_const_t;
+
 int lcurl_storage_init(lua_State *L);
 
 void lcurl_storage_preserve_value(lua_State *L, int storage, int i);
@@ -21,4 +26,6 @@ void lcurl_util_slist_set(lua_State *L, int t, struct curl_slist* list);
 
 void lcurl_util_slist_to_table(lua_State *L, struct curl_slist* list);
 
+void lcurl_util_set_const(lua_State *L, const lcurl_const_t *reg);
+
 #endif