1*b2055c35SXin Li // Copyright 2018 Google Inc. All Rights Reserved.
2*b2055c35SXin Li //
3*b2055c35SXin Li // Use of this source code is governed by a BSD-style license
4*b2055c35SXin Li // that can be found in the COPYING file in the root of the source
5*b2055c35SXin Li // tree. An additional intellectual property rights grant can be found
6*b2055c35SXin Li // in the file PATENTS. All contributing project authors may
7*b2055c35SXin Li // be found in the AUTHORS file in the root of the source tree.
8*b2055c35SXin Li // -----------------------------------------------------------------------------
9*b2055c35SXin Li //
10*b2055c35SXin Li // giflib doesn't have a Unicode DGifOpenFileName(). Let's make one.
11*b2055c35SXin Li //
12*b2055c35SXin Li // Author: Yannis Guyon ([email protected])
13*b2055c35SXin Li
14*b2055c35SXin Li #ifndef WEBP_EXAMPLES_UNICODE_GIF_H_
15*b2055c35SXin Li #define WEBP_EXAMPLES_UNICODE_GIF_H_
16*b2055c35SXin Li
17*b2055c35SXin Li #include "./unicode.h"
18*b2055c35SXin Li #ifdef HAVE_CONFIG_H
19*b2055c35SXin Li #include "webp/config.h" // For WEBP_HAVE_GIF
20*b2055c35SXin Li #endif
21*b2055c35SXin Li
22*b2055c35SXin Li #if defined(WEBP_HAVE_GIF)
23*b2055c35SXin Li
24*b2055c35SXin Li #ifdef _WIN32
25*b2055c35SXin Li #include <fcntl.h> // Not standard, needed for _topen and flags.
26*b2055c35SXin Li #include <io.h>
27*b2055c35SXin Li #endif
28*b2055c35SXin Li
29*b2055c35SXin Li #include <gif_lib.h>
30*b2055c35SXin Li #include <string.h>
31*b2055c35SXin Li #include "./gifdec.h"
32*b2055c35SXin Li
33*b2055c35SXin Li #if !defined(STDIN_FILENO)
34*b2055c35SXin Li #define STDIN_FILENO 0
35*b2055c35SXin Li #endif
36*b2055c35SXin Li
DGifOpenFileUnicode(const W_CHAR * file_name,int * error)37*b2055c35SXin Li static GifFileType* DGifOpenFileUnicode(const W_CHAR* file_name, int* error) {
38*b2055c35SXin Li if (!WSTRCMP(file_name, "-")) {
39*b2055c35SXin Li #if LOCAL_GIF_PREREQ(5, 0)
40*b2055c35SXin Li return DGifOpenFileHandle(STDIN_FILENO, error);
41*b2055c35SXin Li #else
42*b2055c35SXin Li (void)error;
43*b2055c35SXin Li return DGifOpenFileHandle(STDIN_FILENO);
44*b2055c35SXin Li #endif
45*b2055c35SXin Li }
46*b2055c35SXin Li
47*b2055c35SXin Li #if defined(_WIN32) && defined(_UNICODE)
48*b2055c35SXin Li {
49*b2055c35SXin Li int file_handle = _wopen(file_name, _O_RDONLY | _O_BINARY);
50*b2055c35SXin Li if (file_handle == -1) {
51*b2055c35SXin Li if (error != NULL) *error = D_GIF_ERR_OPEN_FAILED;
52*b2055c35SXin Li return NULL;
53*b2055c35SXin Li }
54*b2055c35SXin Li
55*b2055c35SXin Li #if LOCAL_GIF_PREREQ(5, 0)
56*b2055c35SXin Li return DGifOpenFileHandle(file_handle, error);
57*b2055c35SXin Li #else
58*b2055c35SXin Li return DGifOpenFileHandle(file_handle);
59*b2055c35SXin Li #endif
60*b2055c35SXin Li }
61*b2055c35SXin Li
62*b2055c35SXin Li #else
63*b2055c35SXin Li
64*b2055c35SXin Li #if LOCAL_GIF_PREREQ(5, 0)
65*b2055c35SXin Li return DGifOpenFileName(file_name, error);
66*b2055c35SXin Li #else
67*b2055c35SXin Li return DGifOpenFileName(file_name);
68*b2055c35SXin Li #endif
69*b2055c35SXin Li
70*b2055c35SXin Li #endif // defined(_WIN32) && defined(_UNICODE)
71*b2055c35SXin Li // DGifCloseFile() is called later.
72*b2055c35SXin Li }
73*b2055c35SXin Li
74*b2055c35SXin Li #endif // defined(WEBP_HAVE_GIF)
75*b2055c35SXin Li
76*b2055c35SXin Li #endif // WEBP_EXAMPLES_UNICODE_GIF_H_
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