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authorsteve <steve@FreeBSD.org>1998-02-28 06:04:26 +0000
committersteve <steve@FreeBSD.org>1998-02-28 06:04:26 +0000
commit9f86c0bf8cf1224d46bbefe1d308f2cc8186a79b (patch)
treef03de58d136ec48f008735e374079754bdfee40f /lib/libz/crc32.c
parent5372e3085661ee9071da924c16a5cfdc12f7590d (diff)
downloadFreeBSD-src-9f86c0bf8cf1224d46bbefe1d308f2cc8186a79b.zip
FreeBSD-src-9f86c0bf8cf1224d46bbefe1d308f2cc8186a79b.tar.gz
Initial import of zlib-1.1.1
PR: 5869 Reviewed by: jdp
Diffstat (limited to 'lib/libz/crc32.c')
-rw-r--r--lib/libz/crc32.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/libz/crc32.c b/lib/libz/crc32.c
index 58fc60e..a91101a 100644
--- a/lib/libz/crc32.c
+++ b/lib/libz/crc32.c
@@ -1,9 +1,9 @@
/* crc32.c -- compute the CRC-32 of a data stream
- * Copyright (C) 1995-1996 Mark Adler
+ * Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
-/* $Id: crc32.c,v 1.8 1996/01/30 21:59:10 me Exp $ */
+/* @(#) $Id$ */
#include "zlib.h"
@@ -45,7 +45,7 @@ local void make_crc_table()
int n, k;
uLong poly; /* polynomial exclusive-or pattern */
/* terms of polynomial defining this crc (except x^32): */
- static Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
+ static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
/* make exclusive-or pattern from polynomial (0xedb88320L) */
poly = 0L;
@@ -65,7 +65,7 @@ local void make_crc_table()
/* ========================================================================
* Table of CRC-32's of all single-byte values (made by make_crc_table)
*/
-local uLongf crc_table[256] = {
+local const uLongf crc_table[256] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
@@ -124,12 +124,12 @@ local uLongf crc_table[256] = {
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
-uLongf *get_crc_table()
+const uLongf * ZEXPORT get_crc_table()
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty) make_crc_table();
#endif
- return (uLongf *)crc_table;
+ return (const uLongf *)crc_table;
}
/* ========================================================================= */
@@ -139,7 +139,7 @@ uLongf *get_crc_table()
#define DO8(buf) DO4(buf); DO4(buf);
/* ========================================================================= */
-uLong crc32(crc, buf, len)
+uLong ZEXPORT crc32(crc, buf, len)
uLong crc;
const Bytef *buf;
uInt len;
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