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zlib 0.99

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This commit is contained in:
Mark Adler
2011-09-09 23:11:37 -07:00
parent 25e5325501
commit 56bcb184fa
33 changed files with 1833 additions and 775 deletions
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44
zutil.c
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@@ -1,5 +1,5 @@
/* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995 Jean-loup Gailly.
* Copyright (C) 1995-1996 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -11,20 +11,22 @@
struct internal_state {int dummy;}; /* for buggy compilers */
#ifndef __GO32__
#ifndef STDC
extern void exit OF((int));
#endif
char *zlib_version = ZLIB_VERSION;
const char *zlib_version = ZLIB_VERSION;
char *z_errmsg[] = {
"stream end", /* Z_STREAM_END 1 */
"", /* Z_OK 0 */
"file error", /* Z_ERRNO (-1) */
"stream error", /* Z_STREAM_ERROR (-2) */
"data error", /* Z_DATA_ERROR (-3) */
"insufficient memory", /* Z_MEM_ERROR (-4) */
"buffer error", /* Z_BUF_ERROR (-5) */
const char *z_errmsg[10] = {
"need dictionary", /* Z_NEED_DICT 2 */
"stream end", /* Z_STREAM_END 1 */
"", /* Z_OK 0 */
"file error", /* Z_ERRNO (-1) */
"stream error", /* Z_STREAM_ERROR (-2) */
"data error", /* Z_DATA_ERROR (-3) */
"insufficient memory", /* Z_MEM_ERROR (-4) */
"buffer error", /* Z_BUF_ERROR (-5) */
"incompatible version",/* Z_VERSION_ERROR (-6) */
""};
@@ -59,9 +61,10 @@ void zmemzero(dest, len)
}
#endif
#if defined( __TURBOC__) && !defined(__SMALL__) && !defined(__MEDIUM__)
/* Small and medium model are for now limited to near allocation with
* reduced MAX_WBITS and MAX_MEM_LEVEL
#ifdef __TURBOC__
#if (defined( __BORLANDC__) || !defined(SMALL_MEDIUM)) && !defined(__32BIT__)
/* Small and medium model in Turbo C are for now limited to near allocation
* with reduced MAX_WBITS and MAX_MEM_LEVEL
*/
# define MY_ZCALLOC
@@ -94,7 +97,10 @@ voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
voidpf buf = opaque; /* just to make some compilers happy */
ulg bsize = (ulg)items*size;
if (bsize < 65536L) {
/* If we allocate less than 65520 bytes, we assume that farmalloc
* will return a usable pointer which doesn't have to be normalized.
*/
if (bsize < 65520L) {
buf = farmalloc(bsize);
if (*(ush*)&buf != 0) return buf;
} else {
@@ -131,9 +137,11 @@ void zcfree (voidpf opaque, voidpf ptr)
ptr = opaque; /* just to make some compilers happy */
z_error("zcfree: ptr not found");
}
#endif
#endif /* __TURBOC__ */
#if defined(M_I86SM)||defined(M_I86MM)||defined(M_I86CM)||defined(M_I86LM)
#if defined(M_I86) && !(defined(__WATCOMC__) && defined(__386__))
/* Microsoft C */
# define MY_ZCALLOC
@@ -160,7 +168,7 @@ void zcfree (voidpf opaque, voidpf ptr)
#ifndef MY_ZCALLOC /* Any system without a special alloc function */
#ifndef __GO32__
#ifndef STDC
extern voidp calloc OF((uInt items, uInt size));
extern void free OF((voidpf ptr));
#endif
@@ -170,6 +178,7 @@ voidpf zcalloc (opaque, items, size)
unsigned items;
unsigned size;
{
if (opaque) opaque = 0; /* to make compiler happy */
return (voidpf)calloc(items, size);
}
@@ -177,6 +186,7 @@ void zcfree (opaque, ptr)
voidpf opaque;
voidpf ptr;
{
if (opaque) opaque = 0; /* to make compiler happy */
free(ptr);
}