zig

commit 63fa151f1c29370cb3577b407d1b0e292e23299a (tree)
parent e204b2ca92d095cef03cee123881fd1d9f1004d0
Author: dweiller <4678790+dweiller@users.noreply.github.com>
Date:   Thu, 15 Feb 2024 12:46:56 +1100

std.compress.zstandard: fix buffer sizes

This change corrects the size of various internal buffers used. The
previous behavior did not cause validity problems but wasted space.

Diffstat:
M
lib/std/compress/zstandard.zig
 | 
4
++--
M
lib/std/compress/zstandard/types.zig
 | 
2
+-

2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/std/compress/zstandard.zig b/lib/std/compress/zstandard.zig
@@ -101,10 +101,10 @@ pub fn DecompressStream(
                     );
                     const buffer = try RingBuffer.init(self.allocator, frame_context.window_size);
 
-                    const literals_data = try self.allocator.alloc(u8, options.window_size_max);
+                    const literals_data = try self.allocator.alloc(u8, frame_context.block_size_max);
                     errdefer self.allocator.free(literals_data);
 
-                    const sequence_data = try self.allocator.alloc(u8, options.window_size_max);
+                    const sequence_data = try self.allocator.alloc(u8, frame_context.block_size_max);
                     errdefer self.allocator.free(sequence_data);
 
                     self.literal_fse_buffer = literal_fse_buffer;
diff --git a/lib/std/compress/zstandard/types.zig b/lib/std/compress/zstandard/types.zig
@@ -391,7 +391,7 @@ pub const compressed_block = struct {
     pub const table_size_max = struct {
         pub const literal = 1 << table_accuracy_log_max.literal;
         pub const match = 1 << table_accuracy_log_max.match;
-        pub const offset = 1 << table_accuracy_log_max.match;
+        pub const offset = 1 << table_accuracy_log_max.offset;
     };
 };