lib/zlib: sparse fixes

define Z_NULL to (void *)0 include/u-boot/zlib.h to get rid of most of
the NULL pointer warnings.

inflate.c:942:1: warning: non-ANSI definition of function 'inflateEnd'
inflate.c:9:1: warning: non-ANSI definition of function 'inflateReset'
inflate.c:12:17: warning: Using plain integer as NULL pointer
inflate.c:12:42: warning: Using plain integer as NULL pointer
inflate.c:15:17: warning: Using plain integer as NULL pointer
inflate.c:21:19: warning: Using plain integer as NULL pointer
inflate.c:35:1: warning: non-ANSI definition of function 'inflateInit2_'
inflate.c:38:20: warning: Using plain integer as NULL pointer
inflate.c:41:17: warning: Using plain integer as NULL pointer
inflate.c:42:17: warning: Using plain integer as NULL pointer
inflate.c:50:18: warning: Using plain integer as NULL pointer
inflate.c:65:23: warning: Using plain integer as NULL pointer
inflate.c:69:21: warning: Using plain integer as NULL pointer
inflate.c:78:1: warning: non-ANSI definition of function 'inflateInit_'
inflate.c:86:1: warning: non-ANSI definition of function 'fixedtables'
inflate.c:108:26: warning: Using plain integer as NULL pointer
inflate.c:109:1: warning: non-ANSI definition of function 'updatewindow'
inflate.c:112:30: warning: Using plain integer as NULL pointer
inflate.c:339:1: warning: non-ANSI definition of function 'inflate'
inflate.c:349:17: warning: Using plain integer as NULL pointer
inflate.c:349:42: warning: Using plain integer as NULL pointer
inflate.c:350:27: warning: Using plain integer as NULL pointer
inflate.c:369:42: warning: Using plain integer as NULL pointer
inflate.c:376:32: warning: Using plain integer as NULL pointer
inflate.c:401:54: warning: Using plain integer as NULL pointer
inflate.c:419:32: warning: Using plain integer as NULL pointer
inflate.c:426:32: warning: Using plain integer as NULL pointer
inflate.c:433:32: warning: Using plain integer as NULL pointer
inflate.c:444:36: warning: Using plain integer as NULL pointer
inflate.c:449:37: warning: Using plain integer as NULL pointer
inflate.c:450:38: warning: Using plain integer as NULL pointer
inflate.c:457:40: warning: Using plain integer as NULL pointer
inflate.c:458:47: warning: Using plain integer as NULL pointer
inflate.c:480:40: warning: Using plain integer as NULL pointer
inflate.c:481:50: warning: Using plain integer as NULL pointer
inflate.c:491:37: warning: Using plain integer as NULL pointer
inflate.c:492:37: warning: Using plain integer as NULL pointer
inflate.c:501:40: warning: Using plain integer as NULL pointer
inflate.c:502:53: warning: Using plain integer as NULL pointer
inflate.c:512:37: warning: Using plain integer as NULL pointer
inflate.c:513:40: warning: Using plain integer as NULL pointer
inflate.c:525:32: warning: Using plain integer as NULL pointer
inflate.c:529:52: warning: Using plain integer as NULL pointer
inflate.c:543:54: warning: Using plain integer as NULL pointer
inflate.c:932:17: warning: Using plain integer as NULL pointer
inflate.c:932:42: warning: Using plain integer as NULL pointer
inflate.c:935:26: warning: Using plain integer as NULL pointer
inflate.c:940:19: warning: Using plain integer as NULL pointer
adler32.c:58:5: warning: non-ANSI definition of function 'adler32'
adler32.c:81:16: warning: Using plain integer as NULL pointer
zutil.c:53:9: warning: non-ANSI definition of function 'zcalloc'
zutil.c:64:9: warning: non-ANSI definition of function 'zcfree'
inffast.c:70:1: warning: non-ANSI definition of function 'inflate_fast'
inftrees.c:33:1: warning: non-ANSI definition of function 'inflate_table'

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

1 files changed, 8 insertions, 21 deletions

diff --git a/lib/zlib/inflate.c b/lib/zlib/inflate.c
index 1eef609de5e..6411c479325 100644
--- a/lib/zlib/inflate.c
+++ b/lib/zlib/inflate.c
@@ -5,8 +5,7 @@
 local void fixedtables OF((struct inflate_state FAR *state));
 local int updatewindow OF((z_streamp strm, unsigned out));
 
-int ZEXPORT inflateReset(strm)
-z_streamp strm;
+int ZEXPORT inflateReset(z_streamp strm)
 {
     struct inflate_state FAR *state;
 
@@ -31,11 +30,8 @@ z_streamp strm;
     return Z_OK;
 }
 
-int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size)
-z_streamp strm;
-int windowBits;
-const char *version;
-int stream_size;
+int ZEXPORT inflateInit2_(z_streamp strm, int windowBits, const char *version,
+			  int stream_size)
 {
     struct inflate_state FAR *state;
 
@@ -74,16 +70,12 @@ int stream_size;
     return inflateReset(strm);
 }
 
-int ZEXPORT inflateInit_(strm, version, stream_size)
-z_streamp strm;
-const char *version;
-int stream_size;
+int ZEXPORT inflateInit_(z_streamp strm, const char *version, int stream_size)
 {
     return inflateInit2_(strm, DEF_WBITS, version, stream_size);
 }
 
-local void fixedtables(state)
-struct inflate_state FAR *state;
+local void fixedtables(struct inflate_state FAR *state)
 {
     state->lencode = lenfix;
     state->lenbits = 9;
@@ -105,9 +97,7 @@ struct inflate_state FAR *state;
    output will fall in the output data, making match copies simpler and faster.
    The advantage may be dependent on the size of the processor's data caches.
  */
-local int updatewindow(strm, out)
-z_streamp strm;
-unsigned out;
+local int updatewindow(z_streamp strm, unsigned out)
 {
     struct inflate_state FAR *state;
     unsigned copy, dist;
@@ -335,9 +325,7 @@ unsigned out;
    when flush is set to Z_FINISH, inflate() cannot return Z_OK.  Instead it
    will return Z_BUF_ERROR if it has not reached the end of the stream.
  */
-int ZEXPORT inflate(strm, flush)
-z_streamp strm;
-int flush;
+int ZEXPORT inflate(z_streamp strm, int flush)
 {
     struct inflate_state FAR *state;
     unsigned char FAR *next;    /* next input */
@@ -938,8 +926,7 @@ int flush;
     return ret;
 }
 
-int ZEXPORT inflateEnd(strm)
-z_streamp strm;
+int ZEXPORT inflateEnd(z_streamp strm)
 {
     struct inflate_state FAR *state;
     if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)