[U-Boot] [PATCH 17/32] lib/zlib: sparse fixes

Kim Phillips
2012-10-17T00:28:33Z

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>
---
include/u-boot/zlib.h | 2 +-
lib/zlib/adler32.c | 5 +----
lib/zlib/inffast.c | 5 ++---
lib/zlib/inflate.c | 29 ++++++++---------------------
lib/zlib/inftrees.c | 10 +++-------
lib/zlib/zutil.c | 10 ++--------
6 files changed, 17 insertions(+), 44 deletions(-)

diff --git a/include/u-boot/zlib.h b/include/u-boot/zlib.h
index b611fe7..e23ceb5 100644
--- a/include/u-boot/zlib.h
+++ b/include/u-boot/zlib.h
@@ -505,7 +505,7 @@ typedef gz_header FAR *gz_headerp;
#define Z_DEFLATED 8
/* The deflate compression method (the only one supported in this version) */

-#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
+#define Z_NULL (void *)0 /* for initializing zalloc, zfree, opaque */

/* basic functions */

diff --git a/lib/zlib/adler32.c b/lib/zlib/adler32.c
index dc9480d..b468441 100644
--- a/lib/zlib/adler32.c
+++ b/lib/zlib/adler32.c
@@ -54,10 +54,7 @@
#endif

/* ========================================================================= */
-uLong ZEXPORT adler32(adler, buf, len)
- uLong adler;
- const Bytef *buf;
- uInt len;
+uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len)
{
unsigned long sum2;
unsigned n;
diff --git a/lib/zlib/inffast.c b/lib/zlib/inffast.c
index 38f2f90..0700e04 100644
--- a/lib/zlib/inffast.c
+++ b/lib/zlib/inffast.c
@@ -66,9 +66,8 @@
requires strm->avail_out >= 258 for each loop to avoid checking for
output space.
*/
-void inflate_fast(strm, start)
-z_streamp strm;
-unsigned start; /* inflate()'s starting value for strm->avail_out */
+void inflate_fast(z_streamp strm, unsigned start)
+/* start: inflate()'s starting value for strm->avail_out */
{
struct inflate_state FAR *state;
unsigned char FAR *in; /* local strm->next_in */
diff --git a/lib/zlib/inflate.c b/lib/zlib/inflate.c
index 1eef609..6411c47 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)
diff --git a/lib/zlib/inftrees.c b/lib/zlib/inftrees.c
index c6d4c03..7474a52 100644
--- a/lib/zlib/inftrees.c
+++ b/lib/zlib/inftrees.c
@@ -29,13 +29,9 @@
table index bits. It will differ if the request is greater than the
longest code or if it is less than the shortest code.
*/
-int inflate_table(type, lens, codes, table, bits, work)
-codetype type;
-unsigned short FAR *lens;
-unsigned codes;
-code FAR * FAR *table;
-unsigned FAR *bits;
-unsigned short FAR *work;
+int inflate_table(codetype type, unsigned short FAR *lens, unsigned codes,
+ code FAR * FAR *table, unsigned FAR *bits,
+ unsigned short FAR *work)
{
unsigned len; /* a code's length in bits */
unsigned sym; /* index of code symbols */
diff --git a/lib/zlib/zutil.c b/lib/zlib/zutil.c
index 65f9554..ba5742d 100644
--- a/lib/zlib/zutil.c
+++ b/lib/zlib/zutil.c
@@ -49,10 +49,7 @@ extern voidp calloc OF((uInt items, uInt size));
extern void free OF((voidpf ptr));
#endif

-voidpf zcalloc (opaque, items, size)
- voidpf opaque;
- unsigned items;
- unsigned size;
+voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
{
if (opaque)
items += size - size; /* make compiler happy */
@@ -60,10 +57,7 @@ voidpf zcalloc (opaque, items, size)
(voidpf)calloc(items, size);
}

-void zcfree (opaque, ptr, nb)
- voidpf opaque;
- voidpf ptr;
- unsigned nb;
+void zcfree (voidpf opaque, voidpf ptr, unsigned nb)
{
free(ptr);
if (opaque)
--
1.7.12.3