Fix zmod.h usage in userspace

[mirror_zfs-debian.git] / module / zfs / gzip.c

diff --git a/module/zfs/gzip.c b/module/zfs/gzip.c
index aa0254806aa19acbf9e5a5207d45f3bc875c639e..155404efdc0a06e4edc16e74d436ab1bb4cee3c6 100644 (file)
--- 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);