1// Copyright 2010 Google Inc. All Rights Reserved. 
2// 
3// Use of this source code is governed by a BSD-style license 
4// that can be found in the COPYING file in the root of the source 
5// tree. An additional intellectual property rights grant can be found 
6// in the file PATENTS. All contributing project authors may 
7// be found in the AUTHORS file in the root of the source tree. 
8// ----------------------------------------------------------------------------- 
9// 
10// Common types + memory wrappers 
11// 
12// Author: Skal (pascal.massimino@gmail.com) 
13 
14#ifndef WEBP_WEBP_TYPES_H_ 
15#define WEBP_WEBP_TYPES_H_ 
16 
17#include <stddef.h> // for size_t 
18 
19#ifndef _MSC_VER 
20#include <inttypes.h> 
21#if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \ 
22 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) 
23#define WEBP_INLINE inline 
24#else 
25#define WEBP_INLINE 
26#endif 
27#else 
28typedef signed char int8_t; 
29typedef unsigned char uint8_t; 
30typedef signed short int16_t; 
31typedef unsigned short uint16_t; 
32typedef signed int int32_t; 
33typedef unsigned int uint32_t; 
34typedef unsigned long long int uint64_t; 
35typedef long long int int64_t; 
36#define WEBP_INLINE __forceinline 
37#endif /* _MSC_VER */ 
38 
39#ifndef WEBP_EXTERN 
40// This explicitly marks library functions and allows for changing the 
41// signature for e.g., Windows DLL builds. 
42# if defined(__GNUC__) && __GNUC__ >= 4 
43# define WEBP_EXTERN extern __attribute__ ((visibility ("default"))) 
44# else 
45# define WEBP_EXTERN extern 
46# endif /* __GNUC__ >= 4 */ 
47#endif /* WEBP_EXTERN */ 
48 
49// Macro to check ABI compatibility (same major revision number) 
50#define WEBP_ABI_IS_INCOMPATIBLE(a, b) (((a) >> 8) != ((b) >> 8)) 
51 
52#ifdef __cplusplus 
53extern "C" { 
54#endif 
55 
56// Allocates 'size' bytes of memory. Returns NULL upon error. Memory 
57// must be deallocated by calling WebPFree(). This function is made available 
58// by the core 'libwebp' library. 
59WEBP_EXTERN void* WebPMalloc(size_t size); 
60 
61// Releases memory returned by the WebPDecode*() functions (from decode.h). 
62WEBP_EXTERN void WebPFree(void* ptr); 
63 
64#ifdef __cplusplus 
65} // extern "C" 
66#endif 
67 
68#endif // WEBP_WEBP_TYPES_H_ 
69