1 files changed, 2 insertions, 54 deletions

diff --git a/src/common/grfio.c b/src/common/grfio.c
index e31451af1..cb242fe5d 100644
--- a/src/common/grfio.c
+++ b/src/common/grfio.c
@@ -225,33 +225,7 @@ unsigned long grfio_crc32 (const unsigned char* buf, unsigned int len)
 ///	Grf data sub : zip decode
 int decode_zip(unsigned char* dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen)
 {
-	z_stream stream;
-	int err;
-
-	stream.next_in = (Bytef*)source;
-	stream.avail_in = (uInt)sourceLen;
-	// Check for source > 64K on 16-bit machine:
-	if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
-
-	stream.next_out = (Bytef*) dest;
-	stream.avail_out = (uInt)*destLen;
-	if ((unsigned long)stream.avail_out != *destLen) return Z_BUF_ERROR;
-
-	stream.zalloc = (alloc_func)0;
-	stream.zfree = (free_func)0;
-
-	err = inflateInit(&stream);
-	if (err != Z_OK) return err;
-
-	err = inflate(&stream, Z_FINISH);
-	if (err != Z_STREAM_END) {
-		inflateEnd(&stream);
-		return err == Z_OK ? Z_BUF_ERROR : err;
-	}
-	*destLen = stream.total_out;
-
-	err = inflateEnd(&stream);
-	return err;
+	return uncompress(dest, destLen, source, sourceLen);
 }
 
 
@@ -259,33 +233,7 @@ int decode_zip(unsigned char* dest, unsigned long* destLen, const unsigned char*
 ///	Grf data sub : zip encode 
 int encode_zip(unsigned char* dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen)
 {
-	z_stream stream;
-	int err;
-
-	stream.next_in = (Bytef*)source;
-	stream.avail_in = (uInt)sourceLen;
-	// Check for source > 64K on 16-bit machine: 
-	if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
-
-	stream.next_out = (Bytef*) dest;
-	stream.avail_out = (uInt)*destLen;
-	if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
-
-	stream.zalloc = (alloc_func)0;
-	stream.zfree = (free_func)0;
-
-	err = deflateInit(&stream,Z_DEFAULT_COMPRESSION);
-	if (err != Z_OK) return err;
-
-	err = deflate(&stream, Z_FINISH);
-	if (err != Z_STREAM_END) {
-		deflateEnd(&stream);
-		return err == Z_OK ? Z_BUF_ERROR : err;
-	}
-	*destLen = stream.total_out;
-
-	err = deflateEnd(&stream);
-	return err;
+	return compress(dest, destLen, source, sourceLen);
 }