/*
 * Copyright 2008 Hans Leidekker for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef _WINE_WINHTTP_PRIVATE_H_
#define _WINE_WINHTTP_PRIVATE_H_

#include "wine/list.h"
#include "wine/unicode.h"

typedef struct _object_header_t object_header_t;

typedef struct
{
    void (*destroy)( object_header_t * );
    BOOL (*query_option)( object_header_t *, DWORD, void *, DWORD *, BOOL );
    BOOL (*set_option)( object_header_t *, DWORD, void *, DWORD );
} object_vtbl_t;

struct _object_header_t
{
    DWORD type;
    HINTERNET handle;
    const object_vtbl_t *vtbl;
    DWORD flags;
    DWORD error;
    DWORD_PTR context;
    LONG refs;
    WINHTTP_STATUS_CALLBACK callback;
    DWORD notify_mask;
    struct list entry;
    struct list children;
};

typedef struct
{
    object_header_t hdr;
    LPWSTR agent;
    DWORD access;
    LPWSTR proxy_server;
    LPWSTR proxy_bypass;
    LPWSTR proxy_username;
    LPWSTR proxy_password;
} session_t;

object_header_t *addref_object( object_header_t * );
object_header_t *grab_object( HINTERNET );
void release_object( object_header_t * );
HINTERNET alloc_handle( object_header_t * );
BOOL free_handle( HINTERNET );

static inline void *heap_alloc( SIZE_T size )
{
    return HeapAlloc( GetProcessHeap(), 0, size );
}

static inline void *heap_alloc_zero( SIZE_T size )
{
    return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
}

static inline void *heap_realloc_zero( LPVOID mem, SIZE_T size )
{
    return HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size );
}

static inline BOOL heap_free( LPVOID mem )
{
    return HeapFree( GetProcessHeap(), 0, mem );
}

static inline WCHAR *strdupW( const WCHAR *src )
{
    WCHAR *dst;

    if (!src) return NULL;
    dst = heap_alloc( (strlenW( src ) + 1) * sizeof(WCHAR) );
    if (dst) strcpyW( dst, src );
    return dst;
}

#endif /* _WINE_WINHTTP_PRIVATE_H_ */