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ZLIB level 0: LEN/NLEN = i16.

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This commit is contained in:
Jeroen van Rijn
2021-05-01 21:56:45 +02:00
parent 0a0ba95e85
commit 2ad8f99790
1 changed files with 8 additions and 4 deletions
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core/compress/zlib/zlib.odin
+8 -4
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@@ -446,7 +446,7 @@ inflate_from_stream_raw :: proc(z: ^Context, allocator := context.allocator) ->
final = compress.read_bits_lsb(z, 1); final = compress.read_bits_lsb(z, 1);
type = compress.read_bits_lsb(z, 2); type = compress.read_bits_lsb(z, 2);
// log.debugf("Final: %v | Type: %v\n", final, type); // fmt.printf("Final: %v | Type: %v\n", final, type);
switch type { switch type {
case 0: case 0:
@@ -455,9 +455,13 @@ inflate_from_stream_raw :: proc(z: ^Context, allocator := context.allocator) ->
// Discard bits until next byte boundary // Discard bits until next byte boundary
compress.discard_to_next_byte_lsb(z); compress.discard_to_next_byte_lsb(z);
uncompressed_len := int(compress.read_bits_lsb(z, 16)); uncompressed_len := i16(compress.read_bits_lsb(z, 16));
length_check := int(compress.read_bits_lsb(z, 16)); length_check := i16(compress.read_bits_lsb(z, 16));
if uncompressed_len != ~length_check {
// fmt.printf("LEN: %v, ~LEN: %v, NLEN: %v, ~NLEN: %v\n", uncompressed_len, ~uncompressed_len, length_check, ~length_check);
if ~uncompressed_len != length_check {
return E_Deflate.Len_Nlen_Mismatch; return E_Deflate.Len_Nlen_Mismatch;
} }