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Refactor ZLIB structs.

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This commit is contained in:
Jeroen van Rijn
2021-06-23 16:32:47 +02:00
parent bb3ffdbdfb
commit 8663c64e47
6 changed files with 176 additions and 133 deletions
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core/compress/gzip/gzip.odin
+6 -4
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@@ -281,8 +281,10 @@ load_from_stream :: proc(stream: io.Stream, buf: ^bytes.Buffer, allocator := con
/*
We should have arrived at the ZLIB payload.
*/
code_buffer := compress.Code_Buffer{};
cb := &code_buffer;
zlib_error := zlib.inflate_raw(&ctx);
zlib_error := zlib.inflate_raw(&ctx, &code_buffer);
// fmt.printf("ZLIB returned: %v\n", zlib_error);
@@ -293,16 +295,16 @@ load_from_stream :: proc(stream: io.Stream, buf: ^bytes.Buffer, allocator := con
/*
Read CRC32 using the ctx bit reader because zlib may leave bytes in there.
*/
compress.discard_to_next_byte_lsb(&ctx);
compress.discard_to_next_byte_lsb(cb);
payload_crc_b: [4]u8;
payload_len_b: [4]u8;
for _, i in payload_crc_b {
payload_crc_b[i] = u8(compress.read_bits_lsb(&ctx, 8));
payload_crc_b[i] = u8(compress.read_bits_lsb(&ctx, cb, 8));
}
payload_crc := transmute(u32le)payload_crc_b;
for _, i in payload_len_b {
payload_len_b[i] = u8(compress.read_bits_lsb(&ctx, 8));
payload_len_b[i] = u8(compress.read_bits_lsb(&ctx, cb, 8));
}
payload_len := int(transmute(u32le)payload_len_b);