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std.compress.xz: fix 32-bit targets

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This commit is contained in:
Andrew Kelley 2025-08-26 21:07:00 -07:00
parent 0339c5793a
commit 68f590d430
1 changed files with 5 additions and 6 deletions
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11
lib/std/compress/xz/Decompress.zig
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@ -259,9 +259,9 @@ fn readBlock(input: *Reader, allocating: *Writer.Allocating) !void {
// Block Padding // Block Padding
const block_counter = header_size + packed_bytes_read; const block_counter = header_size + packed_bytes_read;
const padding = (4 - (block_counter % 4)) % 4; const padding = try input.take(@intCast((4 - (block_counter % 4)) % 4));
for (0..padding) |_| { for (padding) |byte| {
if (try input.takeByte() != 0) return error.CorruptInput; if (byte != 0) return error.CorruptInput;
} }
} }
@ -279,14 +279,13 @@ fn finish(d: *Decompress) !void {
if (record_count != d.block_count) if (record_count != d.block_count)
return error.CorruptInput; return error.CorruptInput;
for (0..record_count) |_| { for (0..@intCast(record_count)) |_| {
// TODO: validate records // TODO: validate records
_ = try countLeb128(input, u64, &input_counter, &checksum); _ = try countLeb128(input, u64, &input_counter, &checksum);
_ = try countLeb128(input, u64, &input_counter, &checksum); _ = try countLeb128(input, u64, &input_counter, &checksum);
} }
const padding_len = (4 - (input_counter % 4)) % 4; const padding = try input.take(@intCast((4 - (input_counter % 4)) % 4));
const padding = try input.take(padding_len);
for (padding) |byte| { for (padding) |byte| {
if (byte != 0) return error.CorruptInput; if (byte != 0) return error.CorruptInput;
} }