[new uImage] Move gunzip() common code to common/gunzip.c
Move gunzip(), zalloc() and zfree() to a separate file.
Share zalloc() and zfree() with cramfs uncompress routine.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
diff --git a/fs/cramfs/uncompress.c b/fs/cramfs/uncompress.c
index 2e906eb..e4189e5 100644
--- a/fs/cramfs/uncompress.c
+++ b/fs/cramfs/uncompress.c
@@ -29,24 +29,8 @@
static z_stream stream;
-#define ZALLOC_ALIGNMENT 16
-
-static void *zalloc (void *x, unsigned items, unsigned size)
-{
- void *p;
-
- size *= items;
- size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
-
- p = malloc (size);
-
- return (p);
-}
-
-static void zfree (void *x, void *addr, unsigned nb)
-{
- free (addr);
-}
+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)