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-rw-r--r--module/zfs/gzip.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/module/zfs/gzip.c b/module/zfs/gzip.c
index aa0254806..155404efd 100644
--- a/module/zfs/gzip.c
+++ b/module/zfs/gzip.c
@@ -28,22 +28,35 @@
#include <sys/debug.h>
#include <sys/types.h>
-#include <sys/zmod.h>
#ifdef _KERNEL
+
#include <sys/systm.h>
-#else
+#include <sys/zmod.h>
+
+typedef size_t zlen_t;
+#define compress_func z_compress_level
+#define uncompress_func z_uncompress
+
+#else /* _KERNEL */
+
#include <strings.h>
+#include <zlib.h>
+
+typedef uLongf zlen_t;
+#define compress_func compress2
+#define uncompress_func uncompress
+
#endif
size_t
gzip_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)
{
- size_t dstlen = d_len;
+ zlen_t dstlen = d_len;
ASSERT(d_len <= s_len);
- if (z_compress_level(d_start, &dstlen, s_start, s_len, n) != Z_OK) {
+ if (compress_func(d_start, &dstlen, s_start, s_len, n) != Z_OK) {
if (d_len != s_len)
return (s_len);
@@ -51,18 +64,18 @@ gzip_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)
return (s_len);
}
- return (dstlen);
+ return ((size_t) dstlen);
}
/*ARGSUSED*/
int
gzip_decompress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)
{
- size_t dstlen = d_len;
+ zlen_t dstlen = d_len;
ASSERT(d_len >= s_len);
- if (z_uncompress(d_start, &dstlen, s_start, s_len) != Z_OK)
+ if (uncompress_func(d_start, &dstlen, s_start, s_len) != Z_OK)
return (-1);
return (0);