github.com/cellofellow/gopkg@v0.0.0-20140722061823-eec0544a62ad/image/webp/libwebp/examples/example_util.h (about)

     1  // Copyright 2012 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  //  Utility functions used by the example programs.
    11  //
    12  
    13  #ifndef WEBP_EXAMPLES_EXAMPLE_UTIL_H_
    14  #define WEBP_EXAMPLES_EXAMPLE_UTIL_H_
    15  
    16  #include "webp/types.h"
    17  
    18  #ifdef __cplusplus
    19  extern "C" {
    20  #endif
    21  
    22  // Allocates storage for entire file 'file_name' and returns contents and size
    23  // in 'data' and 'data_size'. Returns 1 on success, 0 otherwise. '*data' should
    24  // be deleted using free().
    25  int ExUtilReadFile(const char* const file_name,
    26                     const uint8_t** data, size_t* data_size);
    27  
    28  // Write a data segment into a file named 'file_name'. Returns true if ok.
    29  int ExUtilWriteFile(const char* const file_name,
    30                      const uint8_t* data, size_t data_size);
    31  
    32  #ifdef __cplusplus
    33  }    // extern "C"
    34  #endif
    35  
    36  #endif  // WEBP_EXAMPLES_EXAMPLE_UTIL_H_