gunzip: add gzwrite routine for extracting compresed images to block device

[karo-tx-uboot.git] / lib / crc32.c

diff --git a/lib/crc32.c b/lib/crc32.c
index 27335a3ed9095b19d533c33a742fd752935d4640..97592124867abb815d576899f8789545c3aef1aa 100644 (file)
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -8,7 +8,9 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
-#ifndef USE_HOSTCC
+#ifdef USE_HOSTCC
+#include <arpa/inet.h>
+#else
 #include <common.h>
 #endif
 #include <compiler.h>
@@ -249,3 +251,13 @@ uint32_t ZEXPORT crc32_wd (uint32_t crc,
 
        return crc;
 }
+
+void crc32_wd_buf(const unsigned char *input, unsigned int ilen,
+               unsigned char *output, unsigned int chunk_sz)
+{
+       uint32_t crc;
+
+       crc = crc32_wd(0, input, ilen, chunk_sz);
+       crc = htonl(crc);
+       memcpy(output, &crc, sizeof(crc));
+}