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Update bundled zlib to v1.2.3.

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Update bundled libpng to v1.2.16.



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5666 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet
2007-02-06 22:02:28 +00:00
parent 58cfbc6c82
commit dc24949ad5
46 changed files with 2929 additions and 2251 deletions
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33
zlib/zutil.c
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@@ -1,5 +1,5 @@
/* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995-2003 Jean-loup Gailly.
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -11,10 +11,6 @@
struct internal_state {int dummy;}; /* for buggy compilers */
#endif
#ifndef STDC
extern void exit OF((int));
#endif
const char * const z_errmsg[10] = {
"need dictionary", /* Z_NEED_DICT 2 */
"stream end", /* Z_STREAM_END 1 */
@@ -78,38 +74,38 @@ uLong ZEXPORT zlibCompileFlags()
flags += 1 << 13;
#endif
#ifdef NO_GZCOMPRESS
flags += 1 << 16;
flags += 1L << 16;
#endif
#ifdef NO_GZIP
flags += 1 << 17;
flags += 1L << 17;
#endif
#ifdef PKZIP_BUG_WORKAROUND
flags += 1 << 20;
flags += 1L << 20;
#endif
#ifdef FASTEST
flags += 1 << 21;
flags += 1L << 21;
#endif
#ifdef STDC
# ifdef NO_vsnprintf
flags += 1 << 25;
flags += 1L << 25;
# ifdef HAS_vsprintf_void
flags += 1 << 26;
flags += 1L << 26;
# endif
# else
# ifdef HAS_vsnprintf_void
flags += 1 << 26;
flags += 1L << 26;
# endif
# endif
#else
flags += 1 << 24;
flags += 1L << 24;
# ifdef NO_snprintf
flags += 1 << 25;
flags += 1L << 25;
# ifdef HAS_sprintf_void
flags += 1 << 26;
flags += 1L << 26;
# endif
# else
# ifdef HAS_snprintf_void
flags += 1 << 26;
flags += 1L << 26;
# endif
# endif
#endif
@@ -141,7 +137,10 @@ const char * ZEXPORT zError(err)
}
#if defined(_WIN32_WCE)
/* does not exist on WCE */
/* The Microsoft C Run-Time Library for Windows CE doesn't have
* errno. We define it as a global variable to simplify porting.
* Its value is always 0 and should not be used.
*/
int errno = 0;
#endif