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zstd.Decompress: Assert buffer length requirements as early as possible

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Without this assert, providing a buffer that's smaller than required results in more cryptic assertion failures later on.
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Ryan Liptak 2025-09-02 02:26:01 -07:00 committed by Andrew Kelley
parent bc7955306e
commit f872dd03da
1 changed files with 1 additions and 0 deletions
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lib/std/compress/zstd/Decompress.zig
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@ -92,6 +92,7 @@ const indirect_vtable: Reader.VTable = .{
/// ///
/// Otherwise, `buffer` has those requirements. /// Otherwise, `buffer` has those requirements.
pub fn init(input: *Reader, buffer: []u8, options: Options) Decompress { pub fn init(input: *Reader, buffer: []u8, options: Options) Decompress {
if (buffer.len != 0) assert(buffer.len >= options.window_len + zstd.block_size_max);
return .{ return .{
.input = input, .input = input,
.state = .new_frame, .state = .new_frame,