Remove unused APIs

Change-Id: Iebcd15b636ea69c16cceecd73d1e487f8f521fff

diff --git a/gif/mm_util_gif.c b/gif/mm_util_gif.c
index 65f435c..a2dafc5 100755 (executable)
--- a/gif/mm_util_gif.c
+++ b/gif/mm_util_gif.c
@@ -279,8 +279,6 @@ static int __write_function(GifFileType *gft, const GifByteType *data, int size)
 
 static const int DEFAULT_COLORMAP_SIZE = (1 << 8);
 
-int _gif_image_alloc_glob_ext_block(GifFileType *gif_file, int function, int byte_count, ExtensionBlock **ext_block);
-
 static int __gif_extract_rgb(mm_image_info_s *gif_image, unsigned long num_of_pixels, GifByteType **red, GifByteType **green, GifByteType **blue)
 {
        GifWord i, j;
@@ -557,97 +555,6 @@ int _gif_image_write_ext_block(gif_file_s *gif_file, mm_image_info_s *gif_image)
        return MM_UTIL_ERROR_NONE;
 }
 
-int _gif_image_alloc_glob_ext_block(GifFileType *gif_file, int function, int byte_count, ExtensionBlock **ext_block)
-{
-       int i = 0;
-       ExtensionBlock *_ext_block = NULL;
-
-       mm_util_retvm_if(gif_file == NULL, MM_UTIL_ERROR_INVALID_PARAMETER, "Invalid parameter");
-       mm_util_retvm_if(byte_count == 0, MM_UTIL_ERROR_INVALID_PARAMETER, "Invalid parameter");
-       mm_util_retvm_if(ext_block == NULL, MM_UTIL_ERROR_INVALID_PARAMETER, "Invalid parameter");
-
-       if (gif_file->ExtensionBlocks == NULL) {
-               gif_file->ExtensionBlocks = (ExtensionBlock *)calloc(1, sizeof(ExtensionBlock));
-               if (gif_file->ExtensionBlocks == NULL) {
-                       mm_util_error("Memory allocation failed");
-                       *ext_block = NULL;
-                       return MM_UTIL_ERROR_OUT_OF_MEMORY;
-               }
-       } else {
-               /* check exist function block */
-               for (i = 0; i < gif_file->ExtensionBlockCount; i++) {
-                       _ext_block = &gif_file->ExtensionBlocks[i];
-                       if (_ext_block != NULL && _ext_block->Function == function) {
-                               mm_util_error("[Not Error] Ext block has already exist");
-                               *ext_block = _ext_block;
-                               return MM_UTIL_ERROR_NONE;
-                       }
-               }
-               ExtensionBlock *realloc_ptr = (ExtensionBlock *)realloc(gif_file->ExtensionBlocks, (sizeof(ExtensionBlock) * (gif_file->ExtensionBlockCount + 1)));
-               if (realloc_ptr == NULL) {
-                       mm_util_error("Memory reallocation failed");
-                       *ext_block = NULL;
-                       return MM_UTIL_ERROR_OUT_OF_MEMORY;
-               }
-               gif_file->ExtensionBlocks = realloc_ptr;
-       }
-
-       /* get allocated extention block */
-       _ext_block = &gif_file->ExtensionBlocks[gif_file->ExtensionBlockCount];
-
-       _ext_block->Function = function;
-       _ext_block->ByteCount = byte_count;
-       _ext_block->Bytes = (GifByteType *)calloc(1, (sizeof(GifByteType) * byte_count));
-       if (_ext_block->Bytes == NULL) {
-               mm_util_error("Memory allocation failed");
-               /* free all ext_blocks, TODO: free current ext_blocks */
-               for (i = 0; i < gif_file->ExtensionBlockCount; i++) {
-                       _ext_block = &gif_file->ExtensionBlocks[i];
-                       MMUTIL_SAFE_FREE(_ext_block->Bytes);
-               }
-               MMUTIL_SAFE_FREE(gif_file->ExtensionBlocks);
-               gif_file->ExtensionBlockCount = 0;
-               return MM_UTIL_ERROR_OUT_OF_MEMORY;
-       }
-
-       gif_file->ExtensionBlockCount++;
-
-       *ext_block = _ext_block;
-       return MM_UTIL_ERROR_NONE;
-}
-
-int _gif_image_write_glob_ext_blocks(gif_file_s *gif_file)
-{
-       int i = 0;
-       ExtensionBlock *_ext_block = NULL;
-
-       mm_util_retvm_if(gif_file == NULL, MM_UTIL_ERROR_INVALID_PARAMETER, "Invalid parameter");
-
-       for (i = 0; i < gif_file->GifFile->ExtensionBlockCount; i++) {
-               _ext_block = &gif_file->GifFile->ExtensionBlocks[i];
-               mm_util_retvm_if(_ext_block == NULL, MM_UTIL_ERROR_NONE, "extension block is empty");
-
-               if (_ext_block->Function != CONTINUE_EXT_FUNC_CODE) {
-                       if (EGifPutExtensionLeader(gif_file->GifFile, _ext_block->Function) == GIF_ERROR) {
-                               mm_util_error("EGifPutExtensionLeader failed due to %s", GifErrorString(gif_file->GifFile->Error));
-                               return MM_UTIL_ERROR_INVALID_OPERATION;
-                       }
-               }
-               if (EGifPutExtensionBlock(gif_file->GifFile, _ext_block->ByteCount, _ext_block->Bytes) == GIF_ERROR) {
-                       mm_util_error("EGifPutExtensionBlock failed due to %s", GifErrorString(gif_file->GifFile->Error));
-                       return MM_UTIL_ERROR_INVALID_OPERATION;
-               }
-               if (i == gif_file->GifFile->ExtensionBlockCount - 1 || (_ext_block + 1)->Function != CONTINUE_EXT_FUNC_CODE) {
-                       if (EGifPutExtensionTrailer(gif_file->GifFile) == GIF_ERROR) {
-                               mm_util_error("EGifPutExtensionTrailer failed due to %s", GifErrorString(gif_file->GifFile->Error));
-                               return MM_UTIL_ERROR_INVALID_OPERATION;
-                       }
-               }
-       }
-
-       return MM_UTIL_ERROR_NONE;
-}
-
 int mm_util_gif_encode_create(mm_gif_file_h *gif_file_h)
 {
        gif_file_s *gif_file = NULL;
@@ -744,10 +651,6 @@ int mm_util_gif_encode_start(mm_gif_file_h gif_file_h)
                return MM_UTIL_ERROR_INVALID_OPERATION;
        }
 
-       /* Write global extension blocks */
-       ret = _gif_image_write_glob_ext_blocks(gif_file);
-       mm_util_retvm_if(ret != MM_UTIL_ERROR_NONE, ret, "_gif_image_write_glob_ext_blocks failed");
-
        gif_file->is_started = TRUE;
 
        return MM_UTIL_ERROR_NONE;