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Add a WEBP_NODISCARD

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Change-Id: Ice66f2aa6358474d728fb19c571edc86ed139a49
This commit is contained in:
Vincent Rabaud
2023-11-10 13:57:07 +01:00
parent 24d7f9cb6e
commit 13d9c30b2b
25 changed files with 321 additions and 222 deletions
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11
src/utils/huffman_utils.h
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@@ -63,7 +63,8 @@ typedef struct HuffmanTables {
// Allocates a HuffmanTables with 'size' contiguous HuffmanCodes. Returns 0 on
// memory allocation error, 1 otherwise.
int VP8LHuffmanTablesAllocate(int size, HuffmanTables* huffman_tables);
WEBP_NODISCARD int VP8LHuffmanTablesAllocate(int size,
HuffmanTables* huffman_tables);
void VP8LHuffmanTablesDeallocate(HuffmanTables* const huffman_tables);
#define HUFFMAN_PACKED_BITS 6
@@ -91,7 +92,7 @@ struct HTreeGroup {
};
// Creates the instance of HTreeGroup with specified number of tree-groups.
HTreeGroup* VP8LHtreeGroupsNew(int num_htree_groups);
WEBP_NODISCARD HTreeGroup* VP8LHtreeGroupsNew(int num_htree_groups);
// Releases the memory allocated for HTreeGroup.
void VP8LHtreeGroupsFree(HTreeGroup* const htree_groups);
@@ -101,8 +102,10 @@ void VP8LHtreeGroupsFree(HTreeGroup* const htree_groups);
// the huffman table.
// Returns built table size or 0 in case of error (invalid tree or
// memory error).
int VP8LBuildHuffmanTable(HuffmanTables* const root_table, int root_bits,
const int code_lengths[], int code_lengths_size);
WEBP_NODISCARD int VP8LBuildHuffmanTable(HuffmanTables* const root_table,
int root_bits,
const int code_lengths[],
int code_lengths_size);
#ifdef __cplusplus
} // extern "C"