Update Zlib to version 1.2.8

third_party/zlib/zutil.c

 /* zutil.c -- target dependent utility functions for the compression library
- * Copyright (C) 1995-2005, 2010 Jean-loup Gailly.
+ * Copyright (C) 1995-2005, 2010, 2011, 2012 Jean-loup Gailly.
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 /* @(#) $Id$ */
 
 #include "zutil.h"
+#ifndef Z_SOLO
+#  include "gzguts.h"
+#endif
 
 #ifndef NO_DUMMY_DECL
 struct internal_state      {int dummy;}; /* for buggy compilers */
 #endif
 
-const char * const z_errmsg[10] = {
+z_const char * const 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) */
 ""};
@@ skipping 53 matching lines @@
 #endif
 #ifdef NO_GZIP
     flags += 1L << 17;
 #endif
 #ifdef PKZIP_BUG_WORKAROUND
     flags += 1L << 20;
 #endif
 #ifdef FASTEST
     flags += 1L << 21;
 #endif
-#ifdef STDC
+#if defined(STDC) || defined(Z_HAVE_STDARG_H)
 #  ifdef NO_vsnprintf
-        flags += 1L << 25;
+    flags += 1L << 25;
 #    ifdef HAS_vsprintf_void
-        flags += 1L << 26;
+    flags += 1L << 26;
 #    endif
 #  else
 #    ifdef HAS_vsnprintf_void
-        flags += 1L << 26;
+    flags += 1L << 26;
 #    endif
 #  endif
 #else
-        flags += 1L << 24;
+    flags += 1L << 24;
 #  ifdef NO_snprintf
-        flags += 1L << 25;
+    flags += 1L << 25;
 #    ifdef HAS_sprintf_void
-        flags += 1L << 26;
+    flags += 1L << 26;
 #    endif
 #  else
 #    ifdef HAS_snprintf_void
-        flags += 1L << 26;
+    flags += 1L << 26;
 #    endif
 #  endif
 #endif
     return flags;
 }
 
 #ifdef DEBUG
 
 #  ifndef verbose
 #    define verbose 0
@@ skipping 55 matching lines @@
     Bytef* dest;
     uInt  len;
 {
     if (len == 0) return;
     do {
         *dest++ = 0;  /* ??? to be unrolled */
     } while (--len != 0);
 }
 #endif
 
+#ifndef Z_SOLO
 
 #ifdef SYS16BIT
 
 #ifdef __TURBOC__
 /* Turbo C in 16-bit mode */
 
 #  define MY_ZCALLOC
 
 /* Turbo C malloc() does not allow dynamic allocation of 64K bytes
  * and farmalloc(64K) returns a pointer with an offset of 8, so we
@@ skipping 115 matching lines @@
 
 void ZLIB_INTERNAL zcfree (opaque, ptr)
     voidpf opaque;
     voidpf ptr;
 {
     free(ptr);
     if (opaque) return; /* make compiler happy */
 }
 
 #endif /* MY_ZCALLOC */
+
+#endif /* !Z_SOLO */