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zlib 1.2.3.3

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This commit is contained in:
Mark Adler
2011-09-09 23:26:29 -07:00
parent d6231142d2
commit 639be99788
22 changed files with 583 additions and 240 deletions
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44
adler32.c
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@@ -1,5 +1,5 @@
/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-2004 Mark Adler
* Copyright (C) 1995-2006 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -8,6 +8,15 @@
#define ZLIB_INTERNAL
#include "zlib.h"
#define local static
#ifdef _LARGEFILE64_SOURCE
local uLong adler32_combine_(uLong adler1, uLong adler2, off64_t len2);
#else
local uLong adler32_combine_(uLong adler1, uLong adler2, z_off_t len2);
#endif
#define BASE 65521UL /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
@@ -125,10 +134,14 @@ uLong ZEXPORT adler32(adler, buf, len)
}
/* ========================================================================= */
uLong ZEXPORT adler32_combine(adler1, adler2, len2)
local uLong adler32_combine_(adler1, adler2, len2)
uLong adler1;
uLong adler2;
#ifdef _LARGEFILE64_SOURCE
off64_t len2;
#else
z_off_t len2;
#endif
{
unsigned long sum1;
unsigned long sum2;
@@ -147,3 +160,30 @@ uLong ZEXPORT adler32_combine(adler1, adler2, len2)
if (sum2 > BASE) sum2 -= BASE;
return sum1 | (sum2 << 16);
}
/* ========================================================================= */
uLong ZEXPORT adler32_combine(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off_t len2;
{
return adler32_combine_(adler1, adler2, len2);
}
#ifdef _LARGEFILE64_SOURCE
uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
uLong adler1;
uLong adler2;
off64_t len2;
{
return adler32_combine_(adler1, adler2, len2);
}
#else
uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off_t len2;
{
return adler32_combine_(adler1, adler2, len2);
}
#endif