diff options
Diffstat (limited to 'plugins/Zlib/inflate.c')
| -rw-r--r-- | plugins/Zlib/inflate.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/plugins/Zlib/inflate.c b/plugins/Zlib/inflate.c index cc89517bc8..47418a1e1e 100644 --- a/plugins/Zlib/inflate.c +++ b/plugins/Zlib/inflate.c @@ -1,5 +1,5 @@ /* inflate.c -- zlib decompression - * Copyright (C) 1995-2011 Mark Adler + * Copyright (C) 1995-2012 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -519,11 +519,6 @@ unsigned out; bits -= bits & 7; \ } while (0) -/* Reverse the bytes in a 32-bit value */ -#define REVERSE(q) \ - ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ - (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) - /* inflate() uses a state machine to process as much input data and generate as much output data as possible before returning. The state machine is @@ -817,7 +812,7 @@ int flush; #endif case DICTID: NEEDBITS(32); - strm->adler = state->check = REVERSE(hold); + strm->adler = state->check = ZSWAP32(hold); INITBITS(); state->mode = DICT; case DICT: @@ -1189,7 +1184,7 @@ int flush; #ifdef GUNZIP state->flags ? hold : #endif - REVERSE(hold)) != state->check) { + ZSWAP32(hold)) != state->check) { strm->msg = (char *)"incorrect data check"; state->mode = BAD; break; @@ -1275,7 +1270,7 @@ const Bytef *dictionary; uInt dictLength; { struct inflate_state FAR *state; - unsigned long id; + unsigned long dictid; unsigned char *next; unsigned avail; int ret; @@ -1286,11 +1281,11 @@ uInt dictLength; if (state->wrap != 0 && state->mode != DICT) return Z_STREAM_ERROR; - /* check for correct dictionary id */ + /* check for correct dictionary identifier */ if (state->mode == DICT) { - id = adler32(0L, Z_NULL, 0); - id = adler32(id, dictionary, dictLength); - if (id != state->check) + dictid = adler32(0L, Z_NULL, 0); + dictid = adler32(dictid, dictionary, dictLength); + if (dictid != state->check) return Z_DATA_ERROR; } |