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std.compress.zstandard: properly track consumed count in decodeFrameBlocks

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This commit is contained in:
dweiller 2023-01-24 17:12:48 +11:00
parent 774e2f5a5c
commit d40b135e95
1 changed files with 1 additions and 3 deletions
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4
lib/std/compress/zstandard/decompress.zig
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@ -601,7 +601,6 @@ pub fn decodeZStandardFrameAlloc(allocator: std.mem.Allocator, src: []const u8,
.literal_stream_index = undefined,
.huffman_tree = null,
};
var written_count: usize = 0;
while (true) : ({
block_header = decodeBlockHeader(src[consumed_count..][0..3]);
consumed_count += 3;
@ -623,7 +622,6 @@ pub fn decodeZStandardFrameAlloc(allocator: std.mem.Allocator, src: []const u8,
hash_state.update(written_slice.first);
hash_state.update(written_slice.second);
}
written_count += written_size;
if (block_header.last_block) break;
}
return result.toOwnedSlice();
@ -637,6 +635,7 @@ pub fn decodeFrameBlocks(dest: []u8, src: []const u8, consumed_count: *usize, ha
var block_header = decodeBlockHeader(src[0..3]);
var bytes_read: usize = 3;
defer consumed_count.* += bytes_read;
var decode_state = DecodeState{
.repeat_offsets = .{
types.compressed_block.start_repeated_offset_1,
@ -676,7 +675,6 @@ pub fn decodeFrameBlocks(dest: []u8, src: []const u8, consumed_count: *usize, ha
written_count += written_size;
if (block_header.last_block) break;
}
consumed_count.* += bytes_read;
return written_count;
}