GerbilSoft/zlib-ng
1
Fork 0
mirror of https://github.com/GerbilSoft/zlib-ng.git synced 2025-06-18 11:35:35 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity

IBM Z DFLTCC: Fix updating strm.adler with inflate()

Browse Source 
inflate() does not update strm.adler with DFLTCC.
Add a missing assignment to dfltcc_inflate() to fix this.
Note that deflate() is not affected.
Also add a test to prevent regressions.
This commit is contained in:
Ilya Leoshkevich 2022-09-17 15:32:29 +02:00 committed by Hans Kristian Rosbach
parent 6057002d48
commit d38dd9240f
2 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/s390/dfltcc_inflate.c
View File

@ -115,7 +115,7 @@ dfltcc_inflate_action Z_INTERNAL PREFIX(dfltcc_inflate)(PREFIX3(streamp) strm, i
state->bits = param->sbb;
state->whave = param->hl;
state->wnext = (param->ho + param->hl) & ((1 << HB_BITS) - 1);
state->check = state->flags ? ZSWAP32(param->cv) : param->cv;
strm->adler = state->check = state->flags ? ZSWAP32(param->cv) : param->cv;
if (cc == DFLTCC_CC_OP2_CORRUPT && param->oesc != 0) {
/* Report an error if stream is corrupted */
state->mode = BAD;

2
test/test_inflate_adler32.cc
View File

@ -41,6 +41,8 @@ TEST(inflate, adler32) {
err = PREFIX(inflate)(&strm, Z_NO_FLUSH);
EXPECT_EQ(err, Z_STREAM_END);
EXPECT_EQ(strm.adler, 0x6b931030);
err = PREFIX(inflateEnd)(&strm);
EXPECT_EQ(err, Z_OK);