motiejus/zig

commit 95953e1ee6a50229e21423aa2ac4e6929b37468a (tree)
parent 6b85373875e2a7a8ef9d74e20e8e827dc622a29c
Author: dweiller <4678790+dweiller@users.noreplay.github.com>
Date:   Tue, 24 Jan 2023 13:10:45 +1100

std.compress.zstandard: fix dictionary field size

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

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/std/compress/zstandard/decompress.zig b/lib/std/compress/zstandard/decompress.zig
@@ -898,8 +898,8 @@ pub fn decodeZStandardHeader(src: []const u8, consumed_count: ?*usize) !frame.ZS
 
     var dictionary_id: ?u32 = null;
     if (descriptor.dictionary_id_flag > 0) {
-        // if flag is 3 we field_size = 4, else field_size = flag
-        const field_size = (@as(u3, 1) << descriptor.dictionary_id_flag) >> 1;
+        // if flag is 3 then field_size = 4, else field_size = flag
+        const field_size = (@as(u4, 1) << descriptor.dictionary_id_flag) >> 1;
         dictionary_id = readVarInt(u32, src[bytes_read_count .. bytes_read_count + field_size]);
         bytes_read_count += field_size;
     }