path: root/packages/zlib/zlib-1.2.3/visibility.patch

#
# Patch managed by http://www.holgerschurig.de/patcher.html
#

--- zlib-1.2.3-orig/adler32.c~visibility
+++ zlib-1.2.3-orig/adler32.c
@@ -54,7 +54,7 @@
 #endif
 
 /* ========================================================================= */
-uLong ZEXPORT adler32(adler, buf, len)
+ZEXPORT uLong adler32(adler, buf, len)
     uLong adler;
     const Bytef *buf;
     uInt len;
--- zlib-1.2.3-orig/compress.c~visibility
+++ zlib-1.2.3-orig/compress.c
@@ -19,7 +19,7 @@
    memory, Z_BUF_ERROR if there was not enough room in the output buffer,
    Z_STREAM_ERROR if the level parameter is invalid.
 */
-int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
+ZEXPORT int compress2 (dest, destLen, source, sourceLen, level)
     Bytef *dest;
     uLongf *destLen;
     const Bytef *source;
@@ -59,7 +59,7 @@
 
 /* ===========================================================================
  */
-int ZEXPORT compress (dest, destLen, source, sourceLen)
+ZEXPORT int compress (dest, destLen, source, sourceLen)
     Bytef *dest;
     uLongf *destLen;
     const Bytef *source;
@@ -72,7 +72,7 @@
      If the default memLevel or windowBits for deflateInit() is changed, then
    this function needs to be updated.
  */
-uLong ZEXPORT compressBound (sourceLen)
+ZEXPORT uLong compressBound (sourceLen)
     uLong sourceLen;
 {
     return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + 11;
--- zlib-1.2.3-orig/crc32.c~visibility
+++ zlib-1.2.3-orig/crc32.c
@@ -202,7 +202,7 @@
 /* =========================================================================
  * This function can be used by asm versions of crc32()
  */
-const unsigned long FAR * ZEXPORT get_crc_table()
+ZEXPORT const unsigned long FAR * get_crc_table()
 {
 #ifdef DYNAMIC_CRC_TABLE
     if (crc_table_empty)
@@ -216,7 +216,7 @@
 #define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
 
 /* ========================================================================= */
-unsigned long ZEXPORT crc32(crc, buf, len)
+ZEXPORT unsigned long crc32(crc, buf, len)
     unsigned long crc;
     const unsigned char FAR *buf;
     unsigned len;
--- zlib-1.2.3-orig/deflate.c~visibility
+++ zlib-1.2.3-orig/deflate.c
@@ -201,7 +201,7 @@
     zmemzero((Bytef *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head));
 
 /* ========================================================================= */
-int ZEXPORT deflateInit_(strm, level, version, stream_size)
+ZEXPORT int deflateInit_(strm, level, version, stream_size)
     z_streamp strm;
     int level;
     const char *version;
@@ -213,7 +213,7 @@
 }
 
 /* ========================================================================= */
-int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
+ZEXPORT int deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
                   version, stream_size)
     z_streamp strm;
     int  level;
@@ -312,7 +312,7 @@
 }
 
 /* ========================================================================= */
-int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength)
+ZEXPORT int deflateSetDictionary (strm, dictionary, dictLength)
     z_streamp strm;
     const Bytef *dictionary;
     uInt  dictLength;
@@ -354,7 +354,7 @@
 }
 
 /* ========================================================================= */
-int ZEXPORT deflateReset (strm)
+ZEXPORT int deflateReset (strm)
     z_streamp strm;
 {
     deflate_state *s;
@@ -401,7 +401,7 @@
 }
 
 /* ========================================================================= */
-int ZEXPORT deflatePrime (strm, bits, value)
+ZEXPORT int deflatePrime (strm, bits, value)
     z_streamp strm;
     int bits;
     int value;
@@ -413,7 +413,7 @@
 }
 
 /* ========================================================================= */
-int ZEXPORT deflateParams(strm, level, strategy)
+ZEXPORT int deflateParams(strm, level, strategy)
     z_streamp strm;
     int level;
     int strategy;
@@ -486,7 +486,7 @@
  * But even the conservative upper bound of about 14% expansion does not
  * seem onerous for output buffer allocation.
  */
-uLong ZEXPORT deflateBound(strm, sourceLen)
+ZEXPORT uLong deflateBound(strm, sourceLen)
     z_streamp strm;
     uLong sourceLen;
 {
@@ -549,7 +549,7 @@
 }
 
 /* ========================================================================= */
-int ZEXPORT deflate (strm, flush)
+ZEXPORT int deflate (strm, flush)
     z_streamp strm;
     int flush;
 {
@@ -856,7 +856,7 @@
 }
 
 /* ========================================================================= */
-int ZEXPORT deflateEnd (strm)
+ZEXPORT int deflateEnd (strm)
     z_streamp strm;
 {
     int status;
@@ -891,7 +891,7 @@
  * To simplify the source, this is not supported for 16-bit MSDOS (which
  * doesn't have enough memory anyway to duplicate compression states).
  */
-int ZEXPORT deflateCopy (dest, source)
+ZEXPORT int deflateCopy (dest, source)
     z_streamp dest;
     z_streamp source;
 {
--- zlib-1.2.3-orig/gzio.c~visibility
+++ zlib-1.2.3-orig/gzio.c
@@ -205,7 +205,7 @@
 /* ===========================================================================
      Opens a gzip (.gz) file for reading or writing.
 */
-gzFile ZEXPORT gzopen (path, mode)
+ZEXPORT gzFile gzopen (path, mode)
     const char *path;
     const char *mode;
 {
@@ -216,7 +216,7 @@
      Associate a gzFile with the file descriptor fd. fd is not dup'ed here
    to mimic the behavio(u)r of fdopen.
 */
-gzFile ZEXPORT gzdopen (fd, mode)
+ZEXPORT gzFile gzdopen (fd, mode)
     int fd;
     const char *mode;
 {
@@ -231,7 +231,7 @@
 /* ===========================================================================
  * Update the compression level and strategy
  */
-int ZEXPORT gzsetparams (file, level, strategy)
+ZEXPORT int gzsetparams (file, level, strategy)
     gzFile file;
     int level;
     int strategy;
@@ -391,7 +391,7 @@
      Reads the given number of uncompressed bytes from the compressed file.
    gzread returns the number of bytes actually read (0 for end of file).
 */
-int ZEXPORT gzread (file, buf, len)
+ZEXPORT int gzread (file, buf, len)
     gzFile file;
     voidp buf;
     unsigned len;
@@ -500,7 +500,7 @@
       Reads one byte from the compressed file. gzgetc returns this byte
    or -1 in case of end of file or error.
 */
-int ZEXPORT gzgetc(file)
+ZEXPORT int gzgetc(file)
     gzFile file;
 {
     unsigned char c;
@@ -512,7 +512,7 @@
 /* ===========================================================================
       Push one byte back onto the stream.
 */
-int ZEXPORT gzungetc(c, file)
+ZEXPORT int gzungetc(c, file)
     int c;
     gzFile file;
 {
@@ -537,7 +537,7 @@
 
       The current implementation is not optimized at all.
 */
-char * ZEXPORT gzgets(file, buf, len)
+ZEXPORT char * gzgets(file, buf, len)
     gzFile file;
     char *buf;
     int len;
@@ -556,7 +556,7 @@
      Writes the given number of uncompressed bytes into the compressed file.
    gzwrite returns the number of bytes actually written (0 in case of error).
 */
-int ZEXPORT gzwrite (file, buf, len)
+ZEXPORT int gzwrite (file, buf, len)
     gzFile file;
     voidpc buf;
     unsigned len;
@@ -600,7 +600,7 @@
 #ifdef STDC
 #include <stdarg.h>
 
-int ZEXPORTVA gzprintf (gzFile file, const char *format, /* args */ ...)
+ZEXPORTVA int gzprintf (gzFile file, const char *format, /* args */ ...)
 {
     char buf[Z_PRINTF_BUFSIZE];
     va_list va;
@@ -634,7 +634,7 @@
 }
 #else /* not ANSI C */
 
-int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
+ZEXPORT intVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
                        a11, a12, a13, a14, a15, a16, a17, a18, a19, a20)
     gzFile file;
     const char *format;
@@ -675,7 +675,7 @@
       Writes c, converted to an unsigned char, into the compressed file.
    gzputc returns the value that was written, or -1 in case of error.
 */
-int ZEXPORT gzputc(file, c)
+ZEXPORT int gzputc(file, c)
     gzFile file;
     int c;
 {
@@ -690,7 +690,7 @@
    the terminating null character.
       gzputs returns the number of characters written, or -1 in case of error.
 */
-int ZEXPORT gzputs(file, s)
+ZEXPORT int gzputs(file, s)
     gzFile file;
     const char *s;
 {
@@ -743,7 +743,7 @@
     return  s->z_err == Z_STREAM_END ? Z_OK : s->z_err;
 }
 
-int ZEXPORT gzflush (file, flush)
+ZEXPORT int gzflush (file, flush)
      gzFile file;
      int flush;
 {
@@ -764,7 +764,7 @@
       SEEK_END is not implemented, returns error.
       In this version of the library, gzseek can be extremely slow.
 */
-z_off_t ZEXPORT gzseek (file, offset, whence)
+ZEXPORT z_off_t gzseek (file, offset, whence)
     gzFile file;
     z_off_t offset;
     int whence;
@@ -854,7 +854,7 @@
 /* ===========================================================================
      Rewinds input file.
 */
-int ZEXPORT gzrewind (file)
+ZEXPORT int gzrewind (file)
     gzFile file;
 {
     gz_stream *s = (gz_stream*)file;
@@ -878,7 +878,7 @@
    given compressed file. This position represents a number of bytes in the
    uncompressed data stream.
 */
-z_off_t ZEXPORT gztell (file)
+ZEXPORT z_off_t gztell (file)
     gzFile file;
 {
     return gzseek(file, 0L, SEEK_CUR);
@@ -888,7 +888,7 @@
      Returns 1 when EOF has previously been detected reading the given
    input stream, otherwise zero.
 */
-int ZEXPORT gzeof (file)
+ZEXPORT int gzeof (file)
     gzFile file;
 {
     gz_stream *s = (gz_stream*)file;
@@ -950,7 +950,7 @@
      Flushes all pending output if necessary, closes the compressed file
    and deallocates all the (de)compression state.
 */
-int ZEXPORT gzclose (file)
+ZEXPORT int gzclose (file)
     gzFile file;
 {
     gz_stream *s = (gz_stream*)file;
@@ -984,7 +984,7 @@
    errnum is set to Z_ERRNO and the application may consult errno
    to get the exact error code.
 */
-const char * ZEXPORT gzerror (file, errnum)
+ZEXPORT const char * gzerror (file, errnum)
     gzFile file;
     int *errnum;
 {
@@ -1014,7 +1014,7 @@
 /* ===========================================================================
      Clear the error and end-of-file flags, and do the same for the real file.
 */
-void ZEXPORT gzclearerr (file)
+ZEXPORT void gzclearerr (file)
     gzFile file;
 {
     gz_stream *s = (gz_stream*)file;
--- zlib-1.2.3-orig/infback.c~visibility
+++ zlib-1.2.3-orig/infback.c
@@ -25,7 +25,7 @@
    windowBits is in the range 8..15, and window is a user-supplied
    window and output buffer that is 2**windowBits bytes.
  */
-int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size)
+ZEXPORT int inflateBackInit_(strm, windowBits, window, version, stream_size)
 z_streamp strm;
 int windowBits;
 unsigned char FAR *window;
@@ -238,7 +238,7 @@
    inflateBack() can also return Z_STREAM_ERROR if the input parameters
    are not correct, i.e. strm is Z_NULL or the state was not initialized.
  */
-int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc)
+ZEXPORT int inflateBack(strm, in, in_desc, out, out_desc)
 z_streamp strm;
 in_func in;
 void FAR *in_desc;
@@ -611,7 +611,7 @@
     return ret;
 }
 
-int ZEXPORT inflateBackEnd(strm)
+ZEXPORT int inflateBackEnd(strm)
 z_streamp strm;
 {
     if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
--- zlib-1.2.3-orig/inflate.c~visibility
+++ zlib-1.2.3-orig/inflate.c
@@ -100,7 +100,7 @@
 local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
                               unsigned len));
 
-int ZEXPORT inflateReset(strm)
+ZEXPORT int inflateReset(strm)
 z_streamp strm;
 {
     struct inflate_state FAR *state;
@@ -141,7 +141,7 @@
     return Z_OK;
 }
 
-int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size)
+ZEXPORT int inflateInit2_(strm, windowBits, version, stream_size)
 z_streamp strm;
 int windowBits;
 const char *version;
@@ -184,7 +184,7 @@
     return inflateReset(strm);
 }
 
-int ZEXPORT inflateInit_(strm, version, stream_size)
+ZEXPORT int inflateInit_(strm, version, stream_size)
 z_streamp strm;
 const char *version;
 int stream_size;
@@ -551,7 +551,7 @@
    will return Z_BUF_ERROR if it has not reached the end of the stream.
  */
 
-int ZEXPORT inflate(strm, flush)
+ZEXPORT int inflate(strm, flush)
 z_streamp strm;
 int flush;
 {
@@ -1152,7 +1152,7 @@
     return ret;
 }
 
-int ZEXPORT inflateEnd(strm)
+ZEXPORT int inflateEnd(strm)
 z_streamp strm;
 {
     struct inflate_state FAR *state;
@@ -1166,7 +1166,7 @@
     return Z_OK;
 }
 
-int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength)
+ZEXPORT int inflateSetDictionary(strm, dictionary, dictLength)
 z_streamp strm;
 const Bytef *dictionary;
 uInt dictLength;
@@ -1259,7 +1259,7 @@
     return next;
 }
 
-int ZEXPORT inflateSync(strm)
+ZEXPORT int inflateSync(strm)
 z_streamp strm;
 {
     unsigned len;               /* number of bytes to look at or looked at */
@@ -1310,7 +1310,7 @@
    block. When decompressing, PPP checks that at the end of input packet,
    inflate is waiting for these length bytes.
  */
-int ZEXPORT inflateSyncPoint(strm)
+ZEXPORT int inflateSyncPoint(strm)
 z_streamp strm;
 {
     struct inflate_state FAR *state;
@@ -1320,7 +1320,7 @@
     return state->mode == STORED && state->bits == 0;
 }
 
-int ZEXPORT inflateCopy(dest, source)
+ZEXPORT int inflateCopy(dest, source)
 z_streamp dest;
 z_streamp source;
 {
--- zlib-1.2.3-orig/uncompr.c~visibility
+++ zlib-1.2.3-orig/uncompr.c
@@ -23,7 +23,7 @@
    enough memory, Z_BUF_ERROR if there was not enough room in the output
    buffer, or Z_DATA_ERROR if the input data was corrupted.
 */
-int ZEXPORT uncompress (dest, destLen, source, sourceLen)
+ZEXPORT int uncompress (dest, destLen, source, sourceLen)
     Bytef *dest;
     uLongf *destLen;
     const Bytef *source;
--- zlib-1.2.3-orig/zconf.in.h~visibility
+++ zlib-1.2.3-orig/zconf.in.h
@@ -204,11 +204,9 @@
     */
 #  ifdef ZLIB_DLL
 #    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
-#      ifdef ZLIB_INTERNAL
-#        define ZEXTERN extern __declspec(dllexport)
-#      else
-#        define ZEXTERN extern __declspec(dllimport)
-#      endif
+#      define ZDLLLOCAL __declspec(dllimport)
+#      define ZDLLPUBLIC __declspec(dllexport)
+#      define ZEXTERN extern
 #    endif
 #  endif  /* ZLIB_DLL */
    /* If building or using zlib with the WINAPI/WINAPIV calling convention,
@@ -229,30 +227,45 @@
 #      define ZEXPORTVA FAR CDECL
 #    endif
 #  endif
-#endif
-
-#if defined (__BEOS__)
+#elif defined (__BEOS__)
 #  ifdef ZLIB_DLL
-#    ifdef ZLIB_INTERNAL
-#      define ZEXPORT   __declspec(dllexport)
-#      define ZEXPORTVA __declspec(dllexport)
-#    else
-#      define ZEXPORT   __declspec(dllimport)
-#      define ZEXPORTVA __declspec(dllimport)
-#    endif
+#    define ZDLLIMPORT __declspec(dllimport)
+#    define ZDLLPUBLIC __declspec(dllexport)
+#    define ZDLLLOCAL
+#  endif
+#else
+#  define ZDLLIMPORT
+#  ifdef GCC_HASCLASSVISIBILITY
+#    define ZDLLLOCAL __attribute__ ((visibility("hidden")))
+#    define ZDLLPUBLIC __attribute__ ((visibility("default")))
+#  else
+#    define ZDLLLOCAL
+#    define ZDLLPUBLIC
 #  endif
 #endif
 
 #ifndef ZEXTERN
 #  define ZEXTERN extern
 #endif
-#ifndef ZEXPORT
-#  define ZEXPORT
-#endif
-#ifndef ZEXPORTVA
-#  define ZEXPORTVA
+#ifdef ZLIB_INTERNAL
+#  ifndef ZLIB_DLL
+#   define ZEXPORT
+#   define ZEXPORTVA
+#  endif
+#  ifndef ZEXPORT
+#    define ZEXPORT ZDLLPUBLIC
+#  endif
+#  ifndef ZEXPORTVA
+#    define ZEXPORTVA ZDLLPUBLIC
+#  endif
+#else
+#  ifndef ZEXPORT
+#    define ZEXPORT ZDLLIMPORT
+#  endif
+#  ifndef ZEXPORTVA
+#    define ZEXPORTVA ZDLLIMPORT
+#  endif
 #endif
-
 #ifndef FAR
 #  define FAR
 #endif
--- zlib-1.2.3-orig/zlib.h~visibility
+++ zlib-1.2.3-orig/zlib.h
@@ -209,7 +209,7 @@
 
                         /* basic functions */
 
-ZEXTERN const char * ZEXPORT zlibVersion OF((void));
+ZEXTERN ZEXPORT const char * zlibVersion OF((void));
 /* The application can compare zlibVersion and ZLIB_VERSION for consistency.
    If the first character differs, the library code actually used is
    not compatible with the zlib.h header file used by the application.
@@ -217,7 +217,7 @@
  */
 
 /*
-ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level));
+ZEXTERN ZEXPORT int deflateInit OF((z_streamp strm, int level));
 
      Initializes the internal stream state for compression. The fields
    zalloc, zfree and opaque must be initialized before by the caller.
@@ -239,7 +239,7 @@
 */
 
 
-ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
+ZEXTERN ZEXPORT int deflate OF((z_streamp strm, int flush));
 /*
     deflate compresses as much data as possible, and stops when the input
   buffer becomes empty or the output buffer becomes full. It may introduce some
@@ -325,7 +325,7 @@
 */
 
 
-ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
+ZEXTERN ZEXPORT int deflateEnd OF((z_streamp strm));
 /*
      All dynamically allocated data structures for this stream are freed.
    This function discards any unprocessed input and does not flush any
@@ -340,7 +340,7 @@
 
 
 /*
-ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
+ZEXTERN ZEXPORT int inflateInit OF((z_streamp strm));
 
      Initializes the internal stream state for decompression. The fields
    next_in, avail_in, zalloc, zfree and opaque must be initialized before by
@@ -360,7 +360,7 @@
 */
 
 
-ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
+ZEXTERN ZEXPORT int inflate OF((z_streamp strm, int flush));
 /*
     inflate decompresses as much data as possible, and stops when the input
   buffer becomes empty or the output buffer becomes full. It may introduce
@@ -459,7 +459,7 @@
 */
 
 
-ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
+ZEXTERN ZEXPORT int inflateEnd OF((z_streamp strm));
 /*
      All dynamically allocated data structures for this stream are freed.
    This function discards any unprocessed input and does not flush any
@@ -477,7 +477,7 @@
 */
 
 /*
-ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
+ZEXTERN ZEXPORT int deflateInit2 OF((z_streamp strm,
                                      int  level,
                                      int  method,
                                      int  windowBits,
@@ -535,7 +535,7 @@
    not perform any compression: this will be done by deflate().
 */
 
-ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm,
+ZEXTERN ZEXPORT int deflateSetDictionary OF((z_streamp strm,
                                              const Bytef *dictionary,
                                              uInt  dictLength));
 /*
@@ -574,7 +574,7 @@
    perform any compression: this will be done by deflate().
 */
 
-ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
+ZEXTERN ZEXPORT int deflateCopy OF((z_streamp dest,
                                     z_streamp source));
 /*
      Sets the destination stream as a complete copy of the source stream.
@@ -592,7 +592,7 @@
    destination.
 */
 
-ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm));
+ZEXTERN ZEXPORT int deflateReset OF((z_streamp strm));
 /*
      This function is equivalent to deflateEnd followed by deflateInit,
    but does not free and reallocate all the internal compression state.
@@ -603,7 +603,7 @@
    stream state was inconsistent (such as zalloc or state being NULL).
 */
 
-ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
+ZEXTERN ZEXPORT int deflateParams OF((z_streamp strm,
                                       int level,
                                       int strategy));
 /*
@@ -641,7 +641,7 @@
    returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream.
  */
 
-ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm,
+ZEXTERN ZEXPORT uLong deflateBound OF((z_streamp strm,
                                        uLong sourceLen));
 /*
      deflateBound() returns an upper bound on the compressed size after
@@ -650,7 +650,7 @@
    for deflation in a single pass, and so would be called before deflate().
 */
 
-ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm,
+ZEXTERN ZEXPORT int deflatePrime OF((z_streamp strm,
                                      int bits,
                                      int value));
 /*
@@ -691,7 +691,7 @@
 */
 
 /*
-ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
+ZEXTERN ZEXPORT int inflateInit2 OF((z_streamp strm,
                                      int  windowBits));
 
      This is another version of inflateInit with an extra parameter. The
@@ -733,7 +733,7 @@
    and avail_out are unchanged.)
 */
 
-ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
+ZEXTERN ZEXPORT int inflateSetDictionary OF((z_streamp strm,
                                              const Bytef *dictionary,
                                              uInt  dictLength));
 /*
@@ -755,7 +755,7 @@
    inflate().
 */
 
-ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
+ZEXTERN ZEXPORT int inflateSync OF((z_streamp strm));
 /*
     Skips invalid compressed data until a full flush point (see above the
   description of deflate with Z_FULL_FLUSH) can be found, or until all
@@ -770,7 +770,7 @@
   until success or end of the input data.
 */
 
-ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest,
+ZEXTERN ZEXPORT int inflateCopy OF((z_streamp dest,
                                     z_streamp source));
 /*
      Sets the destination stream as a complete copy of the source stream.
@@ -786,7 +786,7 @@
    destination.
 */
 
-ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm));
+ZEXTERN ZEXPORT int inflateReset OF((z_streamp strm));
 /*
      This function is equivalent to inflateEnd followed by inflateInit,
    but does not free and reallocate all the internal decompression state.
@@ -853,7 +853,7 @@
 */
 
 /*
-ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits,
+ZEXTERN ZEXPORT int inflateBackInit OF((z_streamp strm, int windowBits,
                                         unsigned char FAR *window));
 
      Initialize the internal stream state for decompression using inflateBack()
@@ -877,7 +877,7 @@
 typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *));
 typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned));
 
-ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
+ZEXTERN ZEXPORT int inflateBack OF((z_streamp strm,
                                     in_func in, void FAR *in_desc,
                                     out_func out, void FAR *out_desc));
 /*
@@ -946,7 +946,7 @@
    that inflateBack() cannot return Z_OK.
 */
 
-ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm));
+ZEXTERN ZEXPORT int inflateBackEnd OF((z_streamp strm));
 /*
      All memory allocated by inflateBackInit() is freed.
 
@@ -954,7 +954,7 @@
    state was inconsistent.
 */
 
-ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void));
+ZEXTERN ZEXPORT uLong zlibCompileFlags OF((void));
 /* Return flags indicating compile-time options.
 
     Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other:
@@ -1006,7 +1006,7 @@
    utility functions can easily be modified if you need special options.
 */
 
-ZEXTERN int ZEXPORT compress OF((Bytef *dest,   uLongf *destLen,
+ZEXTERN ZEXPORT int compress OF((Bytef *dest,   uLongf *destLen,
                                  const Bytef *source, uLong sourceLen));
 /*
      Compresses the source buffer into the destination buffer.  sourceLen is
@@ -1021,7 +1021,7 @@
    buffer.
 */
 
-ZEXTERN int ZEXPORT compress2 OF((Bytef *dest,   uLongf *destLen,
+ZEXTERN ZEXPORT int compress2 OF((Bytef *dest,   uLongf *destLen,
                                   const Bytef *source, uLong sourceLen,
                                   int level));
 /*
@@ -1037,14 +1037,14 @@
    Z_STREAM_ERROR if the level parameter is invalid.
 */
 
-ZEXTERN uLong ZEXPORT compressBound OF((uLong sourceLen));
+ZEXTERN ZEXPORT uLong compressBound OF((uLong sourceLen));
 /*
      compressBound() returns an upper bound on the compressed size after
    compress() or compress2() on sourceLen bytes.  It would be used before
    a compress() or compress2() call to allocate the destination buffer.
 */
 
-ZEXTERN int ZEXPORT uncompress OF((Bytef *dest,   uLongf *destLen,
+ZEXTERN ZEXPORT int uncompress OF((Bytef *dest,   uLongf *destLen,
                                    const Bytef *source, uLong sourceLen));
 /*
      Decompresses the source buffer into the destination buffer.  sourceLen is
@@ -1065,7 +1065,7 @@
 
 typedef voidp gzFile;
 
-ZEXTERN gzFile ZEXPORT gzopen  OF((const char *path, const char *mode));
+ZEXTERN ZEXPORT gzFile gzopen  OF((const char *path, const char *mode));
 /*
      Opens a gzip (.gz) file for reading or writing. The mode parameter
    is as in fopen ("rb" or "wb") but can also include a compression level
@@ -1082,7 +1082,7 @@
    can be checked to distinguish the two cases (if errno is zero, the
    zlib error is Z_MEM_ERROR).  */
 
-ZEXTERN gzFile ZEXPORT gzdopen  OF((int fd, const char *mode));
+ZEXTERN ZEXPORT gzFile gzdopen  OF((int fd, const char *mode));
 /*
      gzdopen() associates a gzFile with the file descriptor fd.  File
    descriptors are obtained from calls like open, dup, creat, pipe or
@@ -1095,7 +1095,7 @@
    the (de)compression state.
 */
 
-ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy));
+ZEXTERN ZEXPORT int gzsetparams OF((gzFile file, int level, int strategy));
 /*
      Dynamically update the compression level or strategy. See the description
    of deflateInit2 for the meaning of these parameters.
@@ -1103,7 +1103,7 @@
    opened for writing.
 */
 
-ZEXTERN int ZEXPORT    gzread  OF((gzFile file, voidp buf, unsigned len));
+ZEXTERN ZEXPORT int    gzread  OF((gzFile file, voidp buf, unsigned len));
 /*
      Reads the given number of uncompressed bytes from the compressed file.
    If the input file was not in gzip format, gzread copies the given number
@@ -1111,7 +1111,7 @@
      gzread returns the number of uncompressed bytes actually read (0 for
    end of file, -1 for error). */
 
-ZEXTERN int ZEXPORT    gzwrite OF((gzFile file,
+ZEXTERN ZEXPORT int    gzwrite OF((gzFile file,
                                    voidpc buf, unsigned len));
 /*
      Writes the given number of uncompressed bytes into the compressed file.
@@ -1119,7 +1119,7 @@
    (0 in case of error).
 */
 
-ZEXTERN int ZEXPORTVA   gzprintf OF((gzFile file, const char *format, ...));
+ZEXTERN ZEXPORTVA int   gzprintf OF((gzFile file, const char *format, ...));
 /*
      Converts, formats, and writes the args to the compressed file under
    control of the format string, as in fprintf. gzprintf returns the number of
@@ -1132,14 +1132,14 @@
    because the secure snprintf() or vsnprintf() functions were not available.
 */
 
-ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
+ZEXTERN ZEXPORT int gzputs OF((gzFile file, const char *s));
 /*
       Writes the given null-terminated string to the compressed file, excluding
    the terminating null character.
       gzputs returns the number of characters written, or -1 in case of error.
 */
 
-ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
+ZEXTERN ZEXPORT char *  gzgets OF((gzFile file, char *buf, int len));
 /*
       Reads bytes from the compressed file until len-1 characters are read, or
    a newline character is read and transferred to buf, or an end-of-file
@@ -1148,19 +1148,19 @@
       gzgets returns buf, or Z_NULL in case of error.
 */
 
-ZEXTERN int ZEXPORT    gzputc OF((gzFile file, int c));
+ZEXTERN ZEXPORT int    gzputc OF((gzFile file, int c));
 /*
       Writes c, converted to an unsigned char, into the compressed file.
    gzputc returns the value that was written, or -1 in case of error.
 */
 
-ZEXTERN int ZEXPORT    gzgetc OF((gzFile file));
+ZEXTERN ZEXPORT int    gzgetc OF((gzFile file));
 /*
       Reads one byte from the compressed file. gzgetc returns this byte
    or -1 in case of end of file or error.
 */
 
-ZEXTERN int ZEXPORT    gzungetc OF((int c, gzFile file));
+ZEXTERN ZEXPORT int    gzungetc OF((int c, gzFile file));
 /*
       Push one character back onto the stream to be read again later.
    Only one character of push-back is allowed.  gzungetc() returns the
@@ -1170,7 +1170,7 @@
    or gzrewind().
 */
 
-ZEXTERN int ZEXPORT    gzflush OF((gzFile file, int flush));
+ZEXTERN ZEXPORT int    gzflush OF((gzFile file, int flush));
 /*
      Flushes all pending output into the compressed file. The parameter
    flush is as in the deflate() function. The return value is the zlib
@@ -1180,7 +1180,7 @@
    degrade compression.
 */
 
-ZEXTERN z_off_t ZEXPORT    gzseek OF((gzFile file,
+ZEXTERN ZEXPORT z_off_t    gzseek OF((gzFile file,
                                       z_off_t offset, int whence));
 /*
       Sets the starting position for the next gzread or gzwrite on the
@@ -1198,14 +1198,14 @@
    would be before the current position.
 */
 
-ZEXTERN int ZEXPORT    gzrewind OF((gzFile file));
+ZEXTERN ZEXPORT int    gzrewind OF((gzFile file));
 /*
      Rewinds the given file. This function is supported only for reading.
 
    gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET)
 */
 
-ZEXTERN z_off_t ZEXPORT    gztell OF((gzFile file));
+ZEXTERN ZEXPORT z_off_t    gztell OF((gzFile file));
 /*
      Returns the starting position for the next gzread or gzwrite on the
    given compressed file. This position represents a number of bytes in the
@@ -1214,26 +1214,26 @@
    gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR)
 */
 
-ZEXTERN int ZEXPORT gzeof OF((gzFile file));
+ZEXTERN ZEXPORT int gzeof OF((gzFile file));
 /*
      Returns 1 when EOF has previously been detected reading the given
    input stream, otherwise zero.
 */
 
-ZEXTERN int ZEXPORT gzdirect OF((gzFile file));
+ZEXTERN ZEXPORT int gzdirect OF((gzFile file));
 /*
      Returns 1 if file is being read directly without decompression, otherwise
    zero.
 */
 
-ZEXTERN int ZEXPORT    gzclose OF((gzFile file));
+ZEXTERN ZEXPORT int    gzclose OF((gzFile file));
 /*
      Flushes all pending output if necessary, closes the compressed file
    and deallocates all the (de)compression state. The return value is the zlib
    error number (see function gzerror below).
 */
 
-ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
+ZEXTERN ZEXPORT const char *  gzerror OF((gzFile file, int *errnum));
 /*
      Returns the error message for the last error which occurred on the
    given compressed file. errnum is set to zlib error number. If an
@@ -1242,7 +1242,7 @@
    to get the exact error code.
 */
 
-ZEXTERN void ZEXPORT gzclearerr OF((gzFile file));
+ZEXTERN ZEXPORT void gzclearerr OF((gzFile file));
 /*
      Clears the error and end-of-file flags for file. This is analogous to the
    clearerr() function in stdio. This is useful for continuing to read a gzip
@@ -1257,7 +1257,7 @@
    compression library.
 */
 
-ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
+ZEXTERN ZEXPORT uLong adler32 OF((uLong adler, const Bytef *buf, uInt len));
 /*
      Update a running Adler-32 checksum with the bytes buf[0..len-1] and
    return the updated checksum. If buf is NULL, this function returns
@@ -1282,7 +1282,7 @@
    seq1 and seq2 concatenated, requiring only adler1, adler2, and len2.
 */
 
-ZEXTERN uLong ZEXPORT crc32   OF((uLong crc, const Bytef *buf, uInt len));
+ZEXTERN ZEXPORT uLong crc32   OF((uLong crc, const Bytef *buf, uInt len));
 /*
      Update a running CRC-32 with the bytes buf[0..len-1] and return the
    updated CRC-32. If buf is NULL, this function returns the required initial
@@ -1314,17 +1314,17 @@
 /* deflateInit and inflateInit are macros to allow checking the zlib version
  * and the compiler's view of z_stream:
  */
-ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level,
+ZEXTERN ZEXPORT int deflateInit_ OF((z_streamp strm, int level,
                                      const char *version, int stream_size));
-ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
+ZEXTERN ZEXPORT int inflateInit_ OF((z_streamp strm,
                                      const char *version, int stream_size));
-ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int  level, int  method,
+ZEXTERN ZEXPORT int deflateInit2_ OF((z_streamp strm, int  level, int  method,
                                       int windowBits, int memLevel,
                                       int strategy, const char *version,
                                       int stream_size));
-ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int  windowBits,
+ZEXTERN ZEXPORT int inflateInit2_ OF((z_streamp strm, int  windowBits,
                                       const char *version, int stream_size));
-ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
+ZEXTERN ZEXPORT int inflateBackInit_ OF((z_streamp strm, int windowBits,
                                          unsigned char FAR *window,
                                          const char *version,
                                          int stream_size));
@@ -1346,9 +1346,9 @@
     struct internal_state {int dummy;}; /* hack for buggy compilers */
 #endif
 
-ZEXTERN const char   * ZEXPORT zError           OF((int));
-ZEXTERN int            ZEXPORT inflateSyncPoint OF((z_streamp z));
-ZEXTERN const uLongf * ZEXPORT get_crc_table    OF((void));
+ZEXTERN ZEXPORT const char   *  zError           OF((int));
+ZEXTERN ZEXPORT int            inflateSyncPoint OF((z_streamp z));
+ZEXTERN ZEXPORT const uLongf *  get_crc_table    OF((void));
 
 #ifdef __cplusplus
 }
--- zlib-1.2.3-orig/zutil.c~visibility
+++ zlib-1.2.3-orig/zutil.c
@@ -24,12 +24,12 @@
 ""};
 
 
-const char * ZEXPORT zlibVersion()
+ZEXPORT const char * zlibVersion()
 {
     return ZLIB_VERSION;
 }
 
-uLong ZEXPORT zlibCompileFlags()
+ZEXPORT uLong zlibCompileFlags()
 {
     uLong flags;
 
@@ -130,7 +130,7 @@
 /* exported to allow conversion of error code to string for compress() and
  * uncompress()
  */
-const char * ZEXPORT zError(err)
+ZEXPORT const char * zError(err)
     int err;
 {
     return ERR_MSG(err);