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https://github.com/google/brotli.git
synced 2024-11-08 13:20:05 +00:00
Update (#753)
* fix executable mode of decode.js * explain clang-analyser about non-nullability * fix "dead assignment" * rename proguard.cfg -> proguard.pgcfg
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4b2b2d4f83
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78e7bbc3c3
@ -41,7 +41,8 @@ extern "C" {
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/* We need the slack region for the following reasons:
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- doing up to two 16-byte copies for fast backward copying
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- inserting transformed dictionary word (5 prefix + 24 base + 8 suffix) */
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- inserting transformed dictionary word:
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5 prefix + 24 base + 8 suffix */
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static const uint32_t kRingBufferWriteAheadSlack = 42;
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static const uint8_t kCodeLengthCodeOrder[BROTLI_CODE_LENGTH_CODES] = {
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@ -724,9 +724,8 @@ void BrotliCreateZopfliBackwardReferences(MemoryManager* m, size_t num_bytes,
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ContextLut literal_context_lut, const BrotliEncoderParams* params,
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Hasher* hasher, int* dist_cache, size_t* last_insert_len,
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Command* commands, size_t* num_commands, size_t* num_literals) {
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ZopfliNode* nodes;
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nodes = BROTLI_ALLOC(m, ZopfliNode, num_bytes + 1);
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if (BROTLI_IS_OOM(m)) return;
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ZopfliNode* nodes = BROTLI_ALLOC(m, ZopfliNode, num_bytes + 1);
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(nodes)) return;
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BrotliInitZopfliNodes(nodes, num_bytes + 1);
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*num_commands += BrotliZopfliComputeShortestPath(m, num_bytes,
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position, ringbuffer, ringbuffer_mask, literal_context_lut, params,
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@ -760,7 +759,10 @@ void BrotliCreateHqZopfliBackwardReferences(MemoryManager* m, size_t num_bytes,
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size_t gap = 0;
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size_t shadow_matches = 0;
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BROTLI_UNUSED(literal_context_lut);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(num_matches) ||
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BROTLI_IS_NULL(matches)) {
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return;
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}
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for (i = 0; i + HashTypeLengthH10() - 1 < num_bytes; ++i) {
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const size_t pos = position + i;
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size_t max_distance = BROTLI_MIN(size_t, pos, max_backward_limit);
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@ -807,7 +809,7 @@ void BrotliCreateHqZopfliBackwardReferences(MemoryManager* m, size_t num_bytes,
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memcpy(orig_dist_cache, dist_cache, 4 * sizeof(dist_cache[0]));
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orig_num_commands = *num_commands;
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nodes = BROTLI_ALLOC(m, ZopfliNode, num_bytes + 1);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(nodes)) return;
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InitZopfliCostModel(m, &model, ¶ms->dist, num_bytes);
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if (BROTLI_IS_OOM(m)) return;
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for (i = 0; i < 2; i++) {
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@ -132,7 +132,7 @@ void BrotliSplitBlock(MemoryManager* m,
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{
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size_t literals_count = CountLiterals(cmds, num_commands);
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uint8_t* literals = BROTLI_ALLOC(m, uint8_t, literals_count);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(literals)) return;
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/* Create a continuous array of literals. */
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CopyLiteralsToByteArray(cmds, num_commands, data, pos, mask, literals);
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/* Create the block split on the array of literals.
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@ -150,7 +150,7 @@ void BrotliSplitBlock(MemoryManager* m,
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/* Compute prefix codes for commands. */
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uint16_t* insert_and_copy_codes = BROTLI_ALLOC(m, uint16_t, num_commands);
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size_t i;
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(insert_and_copy_codes)) return;
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for (i = 0; i < num_commands; ++i) {
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insert_and_copy_codes[i] = cmds[i].cmd_prefix_;
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}
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@ -170,7 +170,7 @@ void BrotliSplitBlock(MemoryManager* m,
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uint16_t* distance_prefixes = BROTLI_ALLOC(m, uint16_t, num_commands);
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size_t j = 0;
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size_t i;
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(distance_prefixes)) return;
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for (i = 0; i < num_commands; ++i) {
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const Command* cmd = &cmds[i];
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if (CommandCopyLen(cmd) && cmd->cmd_prefix_ >= 128) {
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@ -219,7 +219,12 @@ static void FN(ClusterBlocks)(MemoryManager* m,
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uint32_t symbols[HISTOGRAMS_PER_BATCH] = { 0 };
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uint32_t remap[HISTOGRAMS_PER_BATCH] = { 0 };
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(histogram_symbols) ||
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BROTLI_IS_NULL(block_lengths) || BROTLI_IS_NULL(all_histograms) ||
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BROTLI_IS_NULL(cluster_size) || BROTLI_IS_NULL(histograms) ||
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BROTLI_IS_NULL(pairs)) {
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return;
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}
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memset(block_lengths, 0, num_blocks * sizeof(uint32_t));
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@ -278,11 +283,11 @@ static void FN(ClusterBlocks)(MemoryManager* m,
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if (pairs_capacity < max_num_pairs + 1) {
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BROTLI_FREE(m, pairs);
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pairs = BROTLI_ALLOC(m, HistogramPair, max_num_pairs + 1);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(pairs)) return;
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}
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clusters = BROTLI_ALLOC(m, uint32_t, num_clusters);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(clusters)) return;
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for (i = 0; i < num_clusters; ++i) {
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clusters[i] = (uint32_t)i;
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}
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@ -294,7 +299,7 @@ static void FN(ClusterBlocks)(MemoryManager* m,
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BROTLI_FREE(m, cluster_size);
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new_index = BROTLI_ALLOC(m, uint32_t, num_clusters);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_index)) return;
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for (i = 0; i < num_clusters; ++i) new_index[i] = kInvalidIndex;
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pos = 0;
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{
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@ -386,7 +391,7 @@ static void FN(SplitByteVector)(MemoryManager* m,
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return;
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}
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histograms = BROTLI_ALLOC(m, HistogramType, num_histograms);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(histograms)) return;
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/* Find good entropy codes. */
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FN(InitialEntropyCodes)(data, length,
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sampling_stride_length,
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@ -405,7 +410,11 @@ static void FN(SplitByteVector)(MemoryManager* m,
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uint16_t* new_id = BROTLI_ALLOC(m, uint16_t, num_histograms);
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const size_t iters = params->quality < HQ_ZOPFLIFICATION_QUALITY ? 3 : 10;
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size_t i;
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(block_ids) ||
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BROTLI_IS_NULL(insert_cost) || BROTLI_IS_NULL(cost) ||
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BROTLI_IS_NULL(switch_signal) || BROTLI_IS_NULL(new_id)) {
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return;
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}
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for (i = 0; i < iters; ++i) {
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num_blocks = FN(FindBlocks)(data, length,
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block_switch_cost,
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@ -450,7 +450,7 @@ void BrotliBuildAndStoreHuffmanTreeFast(MemoryManager* m,
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const size_t max_tree_size = 2 * length + 1;
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HuffmanTree* tree = BROTLI_ALLOC(m, HuffmanTree, max_tree_size);
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uint32_t count_limit;
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tree)) return;
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for (count_limit = 1; ; count_limit *= 2) {
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HuffmanTree* node = tree;
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size_t l;
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@ -714,7 +714,7 @@ static void EncodeContextMap(MemoryManager* m,
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}
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rle_symbols = BROTLI_ALLOC(m, uint32_t, context_map_size);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(rle_symbols)) return;
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MoveToFrontTransform(context_map, context_map_size, rle_symbols);
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RunLengthCodeZeros(context_map_size, rle_symbols,
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&num_rle_symbols, &max_run_length_prefix);
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@ -970,7 +970,7 @@ void BrotliStoreMetaBlock(MemoryManager* m,
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StoreCompressedMetaBlockHeader(is_last, length, storage_ix, storage);
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tree = BROTLI_ALLOC(m, HuffmanTree, MAX_HUFFMAN_TREE_SIZE);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tree)) return;
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InitBlockEncoder(&literal_enc, BROTLI_NUM_LITERAL_SYMBOLS,
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mb->literal_split.num_types, mb->literal_split.types,
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mb->literal_split.lengths, mb->literal_split.num_blocks);
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@ -1175,7 +1175,7 @@ void BrotliStoreMetaBlockTrivial(MemoryManager* m,
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BrotliWriteBits(13, 0, storage_ix, storage);
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tree = BROTLI_ALLOC(m, HuffmanTree, MAX_HUFFMAN_TREE_SIZE);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tree)) return;
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BuildAndStoreHuffmanTree(lit_histo.data_, BROTLI_NUM_LITERAL_SYMBOLS,
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BROTLI_NUM_LITERAL_SYMBOLS, tree,
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lit_depth, lit_bits,
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@ -215,7 +215,7 @@ BROTLI_INTERNAL size_t FN(BrotliHistogramReindex)(MemoryManager* m,
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uint32_t next_index;
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HistogramType* tmp;
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size_t i;
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if (BROTLI_IS_OOM(m)) return 0;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_index)) return 0;
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for (i = 0; i < length; ++i) {
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new_index[i] = kInvalidIndex;
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}
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@ -229,7 +229,7 @@ BROTLI_INTERNAL size_t FN(BrotliHistogramReindex)(MemoryManager* m,
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/* TODO: by using idea of "cycle-sort" we can avoid allocation of
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tmp and reduce the number of copying by the factor of 2. */
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tmp = BROTLI_ALLOC(m, HistogramType, next_index);
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if (BROTLI_IS_OOM(m)) return 0;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tmp)) return 0;
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next_index = 0;
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for (i = 0; i < length; ++i) {
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if (new_index[symbols[i]] == next_index) {
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@ -259,7 +259,10 @@ BROTLI_INTERNAL void FN(BrotliClusterHistograms)(
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HistogramPair* pairs = BROTLI_ALLOC(m, HistogramPair, pairs_capacity + 1);
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size_t i;
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(cluster_size) ||
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BROTLI_IS_NULL(clusters) || BROTLI_IS_NULL(pairs)) {
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return;
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}
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for (i = 0; i < in_size; ++i) {
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cluster_size[i] = 1;
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@ -212,7 +212,7 @@ static uint8_t* GetBrotliStorage(BrotliEncoderState* s, size_t size) {
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if (s->storage_size_ < size) {
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BROTLI_FREE(m, s->storage_);
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s->storage_ = BROTLI_ALLOC(m, uint8_t, size);
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if (BROTLI_IS_OOM(m)) return NULL;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->storage_)) return NULL;
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s->storage_size_ = size;
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}
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return s->storage_;
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@ -251,7 +251,7 @@ static int* GetHashTable(BrotliEncoderState* s, int quality,
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s->large_table_size_ = htsize;
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BROTLI_FREE(m, s->large_table_);
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s->large_table_ = BROTLI_ALLOC(m, int, htsize);
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if (BROTLI_IS_OOM(m)) return 0;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->large_table_)) return 0;
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}
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table = s->large_table_;
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}
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@ -985,7 +985,10 @@ static BROTLI_BOOL EncodeData(
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BROTLI_ALLOC(m, uint32_t, kCompressFragmentTwoPassBlockSize);
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s->literal_buf_ =
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BROTLI_ALLOC(m, uint8_t, kCompressFragmentTwoPassBlockSize);
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if (BROTLI_IS_OOM(m)) return BROTLI_FALSE;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->command_buf_) ||
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BROTLI_IS_NULL(s->literal_buf_)) {
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return BROTLI_FALSE;
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}
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}
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if (s->params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY ||
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@ -1043,7 +1046,7 @@ static BROTLI_BOOL EncodeData(
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newsize += (bytes / 4) + 16;
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s->cmd_alloc_size_ = newsize;
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new_commands = BROTLI_ALLOC(m, Command, newsize);
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if (BROTLI_IS_OOM(m)) return BROTLI_FALSE;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_commands)) return BROTLI_FALSE;
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if (s->commands_) {
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memcpy(new_commands, s->commands_, sizeof(Command) * s->num_commands_);
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BROTLI_FREE(m, s->commands_);
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@ -1275,7 +1278,7 @@ static BROTLI_BOOL BrotliCompressBufferQuality10(
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ZopfliNode* nodes = BROTLI_ALLOC(m, ZopfliNode, block_size + 1);
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size_t path_size;
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size_t new_cmd_alloc_size;
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if (BROTLI_IS_OOM(m)) goto oom;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(nodes)) goto oom;
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BrotliInitZopfliNodes(nodes, block_size + 1);
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StitchToPreviousBlockH10(&hasher.privat._H10, block_size, block_start,
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input_buffer, mask);
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@ -1295,7 +1298,7 @@ static BROTLI_BOOL BrotliCompressBufferQuality10(
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num_commands + path_size + 1);
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if (cmd_alloc_size != new_cmd_alloc_size) {
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Command* new_commands = BROTLI_ALLOC(m, Command, new_cmd_alloc_size);
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if (BROTLI_IS_OOM(m)) goto oom;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_commands)) goto oom;
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cmd_alloc_size = new_cmd_alloc_size;
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if (commands) {
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memcpy(new_commands, commands, sizeof(Command) * num_commands);
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@ -1327,7 +1330,7 @@ static BROTLI_BOOL BrotliCompressBufferQuality10(
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if (metablock_size == 0) {
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/* Write the ISLAST and ISEMPTY bits. */
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storage = BROTLI_ALLOC(m, uint8_t, 16);
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if (BROTLI_IS_OOM(m)) goto oom;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(storage)) goto oom;
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storage[0] = (uint8_t)last_bytes;
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storage[1] = (uint8_t)(last_bytes >> 8);
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BrotliWriteBits(2, 3, &storage_ix, storage);
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@ -1338,7 +1341,7 @@ static BROTLI_BOOL BrotliCompressBufferQuality10(
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CreateBackwardReferences is now unused. */
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memcpy(dist_cache, saved_dist_cache, 4 * sizeof(dist_cache[0]));
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storage = BROTLI_ALLOC(m, uint8_t, metablock_size + 16);
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if (BROTLI_IS_OOM(m)) goto oom;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(storage)) goto oom;
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storage[0] = (uint8_t)last_bytes;
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storage[1] = (uint8_t)(last_bytes >> 8);
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BrotliStoreUncompressedMetaBlock(is_last, input_buffer,
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@ -1362,7 +1365,7 @@ static BROTLI_BOOL BrotliCompressBufferQuality10(
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BrotliOptimizeHistograms(block_params.dist.alphabet_size_limit, &mb);
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}
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storage = BROTLI_ALLOC(m, uint8_t, 2 * metablock_size + 503);
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if (BROTLI_IS_OOM(m)) goto oom;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(storage)) goto oom;
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storage[0] = (uint8_t)last_bytes;
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storage[1] = (uint8_t)(last_bytes >> 8);
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BrotliStoreMetaBlock(m, input_buffer, metablock_start, metablock_size,
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@ -1613,7 +1616,10 @@ static BROTLI_BOOL BrotliEncoderCompressStreamFast(
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BROTLI_ALLOC(m, uint32_t, kCompressFragmentTwoPassBlockSize);
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s->literal_buf_ =
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BROTLI_ALLOC(m, uint8_t, kCompressFragmentTwoPassBlockSize);
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if (BROTLI_IS_OOM(m)) return BROTLI_FALSE;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->command_buf_) ||
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BROTLI_IS_NULL(s->literal_buf_)) {
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return BROTLI_FALSE;
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}
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}
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if (s->command_buf_) {
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command_buf = s->command_buf_;
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@ -1621,7 +1627,10 @@ static BROTLI_BOOL BrotliEncoderCompressStreamFast(
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} else {
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tmp_command_buf = BROTLI_ALLOC(m, uint32_t, buf_size);
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tmp_literal_buf = BROTLI_ALLOC(m, uint8_t, buf_size);
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if (BROTLI_IS_OOM(m)) return BROTLI_FALSE;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tmp_command_buf) ||
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BROTLI_IS_NULL(tmp_literal_buf)) {
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return BROTLI_FALSE;
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}
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command_buf = tmp_command_buf;
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literal_buf = tmp_literal_buf;
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}
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@ -426,7 +426,7 @@ static BROTLI_INLINE void HasherSetup(MemoryManager* m, Hasher* hasher,
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ChooseHasher(params, ¶ms->hasher);
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alloc_size = HasherSize(params, one_shot, input_size);
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hasher->common.extra = BROTLI_ALLOC(m, uint8_t, alloc_size);
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if (BROTLI_IS_OOM(m)) return;
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if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(hasher->common.extra)) return;
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hasher->common.params = params->hasher;
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switch (hasher->common.params.type) {
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#define INITIALIZE_(N) \
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@ -167,21 +167,21 @@ static BROTLI_INLINE void FN(FindLongestMatch)(
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if (prev_ix < cur_ix) {
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prev_ix &= (uint32_t)ring_buffer_mask;
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if (compare_char == data[prev_ix + best_len]) {
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size_t len = FindMatchLengthWithLimit(&data[prev_ix],
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&data[cur_ix_masked],
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max_length);
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const size_t len = FindMatchLengthWithLimit(
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&data[prev_ix], &data[cur_ix_masked], max_length);
|
||||
if (len >= 4) {
|
||||
const score_t score = BackwardReferenceScoreUsingLastDistance(len);
|
||||
if (best_score < score) {
|
||||
best_score = score;
|
||||
best_len = len;
|
||||
out->len = len;
|
||||
out->distance = cached_backward;
|
||||
out->score = best_score;
|
||||
compare_char = data[cur_ix_masked + best_len];
|
||||
out->score = score;
|
||||
if (BUCKET_SWEEP == 1) {
|
||||
buckets[key] = (uint32_t)cur_ix;
|
||||
return;
|
||||
} else {
|
||||
best_len = len;
|
||||
best_score = score;
|
||||
compare_char = data[cur_ix_masked + len];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -156,7 +156,7 @@ static BROTLI_INLINE void FN(FindLongestMatch)(
|
||||
const size_t dictionary_distance, const size_t max_distance,
|
||||
HasherSearchResult* BROTLI_RESTRICT out) {
|
||||
const size_t cur_ix_masked = cur_ix & ring_buffer_mask;
|
||||
size_t pos = self->next_ix;
|
||||
size_t pos;
|
||||
|
||||
if ((cur_ix & (JUMP - 1)) != 0) return;
|
||||
|
||||
|
@ -56,6 +56,18 @@ BROTLI_INTERNAL void BrotliFree(MemoryManager* m, void* p);
|
||||
#define BROTLI_IS_OOM(M) (!!(M)->is_oom)
|
||||
#endif /* BROTLI_ENCODER_EXIT_ON_OOM */
|
||||
|
||||
/*
|
||||
BROTLI_IS_NULL is a fake check, BROTLI_IS_OOM does the heavy lifting.
|
||||
The only purpose of it is to explain static analyzers the state of things.
|
||||
NB: use ONLY together with BROTLI_IS_OOM
|
||||
AND ONLY for allocations in the current scope.
|
||||
*/
|
||||
#if defined(__clang_analyzer__) && !defined(BROTLI_ENCODER_EXIT_ON_OOM)
|
||||
#define BROTLI_IS_NULL(A) ((A) == nullptr)
|
||||
#else /* defined(__clang_analyzer__) */
|
||||
#define BROTLI_IS_NULL(A) (!!0)
|
||||
#endif /* defined(__clang_analyzer__) */
|
||||
|
||||
BROTLI_INTERNAL void BrotliWipeOutMemoryManager(MemoryManager* m);
|
||||
|
||||
/*
|
||||
@ -66,18 +78,18 @@ A: array
|
||||
C: capacity
|
||||
R: requested size
|
||||
*/
|
||||
#define BROTLI_ENSURE_CAPACITY(M, T, A, C, R) { \
|
||||
if (C < (R)) { \
|
||||
size_t _new_size = (C == 0) ? (R) : C; \
|
||||
T* new_array; \
|
||||
while (_new_size < (R)) _new_size *= 2; \
|
||||
new_array = BROTLI_ALLOC((M), T, _new_size); \
|
||||
if (!BROTLI_IS_OOM(M) && C != 0) \
|
||||
memcpy(new_array, A, C * sizeof(T)); \
|
||||
BROTLI_FREE((M), A); \
|
||||
A = new_array; \
|
||||
C = _new_size; \
|
||||
} \
|
||||
#define BROTLI_ENSURE_CAPACITY(M, T, A, C, R) { \
|
||||
if (C < (R)) { \
|
||||
size_t _new_size = (C == 0) ? (R) : C; \
|
||||
T* new_array; \
|
||||
while (_new_size < (R)) _new_size *= 2; \
|
||||
new_array = BROTLI_ALLOC((M), T, _new_size); \
|
||||
if (!BROTLI_IS_OOM(M) && !BROTLI_IS_NULL(new_array) && C != 0) \
|
||||
memcpy(new_array, A, C * sizeof(T)); \
|
||||
BROTLI_FREE((M), A); \
|
||||
A = new_array; \
|
||||
C = _new_size; \
|
||||
} \
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -196,7 +196,7 @@ void BrotliBuildMetaBlock(MemoryManager* m,
|
||||
literal_context_multiplier = 1 << BROTLI_LITERAL_CONTEXT_BITS;
|
||||
literal_context_modes =
|
||||
BROTLI_ALLOC(m, ContextType, mb->literal_split.num_types);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(literal_context_modes)) return;
|
||||
for (i = 0; i < mb->literal_split.num_types; ++i) {
|
||||
literal_context_modes[i] = literal_context_mode;
|
||||
}
|
||||
@ -206,21 +206,21 @@ void BrotliBuildMetaBlock(MemoryManager* m,
|
||||
mb->literal_split.num_types * literal_context_multiplier;
|
||||
literal_histograms =
|
||||
BROTLI_ALLOC(m, HistogramLiteral, literal_histograms_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(literal_histograms)) return;
|
||||
ClearHistogramsLiteral(literal_histograms, literal_histograms_size);
|
||||
|
||||
distance_histograms_size =
|
||||
mb->distance_split.num_types << BROTLI_DISTANCE_CONTEXT_BITS;
|
||||
distance_histograms =
|
||||
BROTLI_ALLOC(m, HistogramDistance, distance_histograms_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(distance_histograms)) return;
|
||||
ClearHistogramsDistance(distance_histograms, distance_histograms_size);
|
||||
|
||||
BROTLI_DCHECK(mb->command_histograms == 0);
|
||||
mb->command_histograms_size = mb->command_split.num_types;
|
||||
mb->command_histograms =
|
||||
BROTLI_ALLOC(m, HistogramCommand, mb->command_histograms_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->command_histograms)) return;
|
||||
ClearHistogramsCommand(mb->command_histograms, mb->command_histograms_size);
|
||||
|
||||
BrotliBuildHistogramsWithContext(cmds, num_commands,
|
||||
@ -234,13 +234,13 @@ void BrotliBuildMetaBlock(MemoryManager* m,
|
||||
mb->literal_split.num_types << BROTLI_LITERAL_CONTEXT_BITS;
|
||||
mb->literal_context_map =
|
||||
BROTLI_ALLOC(m, uint32_t, mb->literal_context_map_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->literal_context_map)) return;
|
||||
|
||||
BROTLI_DCHECK(mb->literal_histograms == 0);
|
||||
mb->literal_histograms_size = mb->literal_context_map_size;
|
||||
mb->literal_histograms =
|
||||
BROTLI_ALLOC(m, HistogramLiteral, mb->literal_histograms_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->literal_histograms)) return;
|
||||
|
||||
BrotliClusterHistogramsLiteral(m, literal_histograms, literal_histograms_size,
|
||||
kMaxNumberOfHistograms, mb->literal_histograms,
|
||||
@ -265,13 +265,13 @@ void BrotliBuildMetaBlock(MemoryManager* m,
|
||||
mb->distance_split.num_types << BROTLI_DISTANCE_CONTEXT_BITS;
|
||||
mb->distance_context_map =
|
||||
BROTLI_ALLOC(m, uint32_t, mb->distance_context_map_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->distance_context_map)) return;
|
||||
|
||||
BROTLI_DCHECK(mb->distance_histograms == 0);
|
||||
mb->distance_histograms_size = mb->distance_context_map_size;
|
||||
mb->distance_histograms =
|
||||
BROTLI_ALLOC(m, HistogramDistance, mb->distance_histograms_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->distance_histograms)) return;
|
||||
|
||||
BrotliClusterHistogramsDistance(m, distance_histograms,
|
||||
mb->distance_context_map_size,
|
||||
@ -369,7 +369,7 @@ static void InitContextBlockSplitter(
|
||||
*histograms_size = max_num_types * num_contexts;
|
||||
*histograms = BROTLI_ALLOC(m, HistogramLiteral, *histograms_size);
|
||||
self->histograms_ = *histograms;
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(*histograms)) return;
|
||||
/* Clear only current histogram. */
|
||||
ClearHistogramsLiteral(&self->histograms_[0], num_contexts);
|
||||
self->last_histogram_ix_[0] = self->last_histogram_ix_[1] = 0;
|
||||
@ -419,7 +419,7 @@ static void ContextBlockSplitterFinishBlock(
|
||||
double combined_entropy[2 * BROTLI_MAX_STATIC_CONTEXTS];
|
||||
double diff[2] = { 0.0 };
|
||||
size_t i;
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(combined_histo)) return;
|
||||
for (i = 0; i < num_contexts; ++i) {
|
||||
size_t curr_histo_ix = self->curr_histogram_ix_ + i;
|
||||
size_t j;
|
||||
@ -523,7 +523,7 @@ static void MapStaticContexts(MemoryManager* m,
|
||||
mb->literal_split.num_types << BROTLI_LITERAL_CONTEXT_BITS;
|
||||
mb->literal_context_map =
|
||||
BROTLI_ALLOC(m, uint32_t, mb->literal_context_map_size);
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->literal_context_map)) return;
|
||||
|
||||
for (i = 0; i < mb->literal_split.num_types; ++i) {
|
||||
uint32_t offset = (uint32_t)(i * num_contexts);
|
||||
|
@ -71,7 +71,7 @@ static void FN(InitBlockSplitter)(
|
||||
*histograms_size = max_num_types;
|
||||
*histograms = BROTLI_ALLOC(m, HistogramType, *histograms_size);
|
||||
self->histograms_ = *histograms;
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(*histograms)) return;
|
||||
/* Clear only current histogram. */
|
||||
FN(HistogramClear)(&self->histograms_[0]);
|
||||
self->last_histogram_ix_[0] = self->last_histogram_ix_[1] = 0;
|
||||
|
@ -75,7 +75,7 @@ static BROTLI_INLINE void RingBufferInitBuffer(
|
||||
uint8_t* new_data = BROTLI_ALLOC(
|
||||
m, uint8_t, 2 + buflen + kSlackForEightByteHashingEverywhere);
|
||||
size_t i;
|
||||
if (BROTLI_IS_OOM(m)) return;
|
||||
if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_data)) return;
|
||||
if (rb->data_) {
|
||||
memcpy(new_data, rb->data_,
|
||||
2 + rb->cur_size_ + kSlackForEightByteHashingEverywhere);
|
||||
|
@ -16,7 +16,7 @@ java_library(
|
||||
["*.java"],
|
||||
exclude = ["*Test*.java"],
|
||||
),
|
||||
proguard_specs = ["proguard.cfg"],
|
||||
proguard_specs = ["proguard.pgcfg"],
|
||||
)
|
||||
|
||||
load(":build_defs.bzl", "brotli_java_test")
|
||||
|
0
js/decode.js
Executable file → Normal file
0
js/decode.js
Executable file → Normal file
Loading…
Reference in New Issue
Block a user