[U-Boot] [PATCH 1/4] gunzip: rename z{alloc, free} to gz{alloc, free}

Mike Frysinger
2012-04-09T23:39:53Z

This allows us to add a proper zalloc() func (one that does a zeroing
alloc), and removes duplicate prototypes.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
fs/cramfs/uncompress.c | 7 ++-----
include/u-boot/zlib.h | 3 +++
lib/gunzip.c | 11 ++++-------
3 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/fs/cramfs/uncompress.c b/fs/cramfs/uncompress.c
index 228fe68..f431cc4 100644
--- a/fs/cramfs/uncompress.c
+++ b/fs/cramfs/uncompress.c
@@ -27,9 +27,6 @@

static z_stream stream;

-void *zalloc(void *, unsigned, unsigned);
-void zfree(void *, void *, unsigned);
-
/* Returns length of decompressed data. */
int cramfs_uncompress_block (void *dst, void *src, int srclen)
{
@@ -59,8 +56,8 @@ int cramfs_uncompress_init (void)
{
int err;

- stream.zalloc = zalloc;
- stream.zfree = zfree;
+ stream.zalloc = gzalloc;
+ stream.zfree = gzfree;
stream.next_in = 0;
stream.avail_in = 0;

diff --git a/include/u-boot/zlib.h b/include/u-boot/zlib.h
index fb27081..fbb08a3 100644
--- a/include/u-boot/zlib.h
+++ b/include/u-boot/zlib.h
@@ -691,6 +691,9 @@ ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits,
struct internal_state {int dummy;}; /* hack for buggy compilers */
#endif

+extern void *gzalloc(void *, unsigned, unsigned);
+extern void gzfree(void *, void *, unsigned);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/gunzip.c b/lib/gunzip.c
index 8b16b24..99a8ab0 100644
--- a/lib/gunzip.c
+++ b/lib/gunzip.c
@@ -36,10 +36,7 @@
#define RESERVED 0xe0
#define DEFLATED 8

-void *zalloc(void *, unsigned, unsigned);
-void zfree(void *, void *, unsigned);
-
-void *zalloc(void *x, unsigned items, unsigned size)
+void *gzalloc(void *x, unsigned items, unsigned size)
{
void *p;

@@ -51,7 +48,7 @@ void *zalloc(void *x, unsigned items, unsigned size)
return (p);
}

-void zfree(void *x, void *addr, unsigned nb)
+void gzfree(void *x, void *addr, unsigned nb)
{
free (addr);
}
@@ -94,8 +91,8 @@ int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
z_stream s;
int r;

- s.zalloc = zalloc;
- s.zfree = zfree;
+ s.zalloc = gzalloc;
+ s.zfree = gzfree;

r = inflateInit2(&s, -MAX_WBITS);
if (r != Z_OK) {
--
1.7.8.5