From: Jens Axboe <axboe@kernel.dk>
Date: Sat, 1 Oct 2011 04:49:30 +0000 (-0600)
Subject: crc16: use void * as the argument
X-Git-Tag: fio-1.99~80
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=3095ffa9747a679e4f655388c782e4b201047fd3

crc16: use void * as the argument

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/crc/crc16.c b/crc/crc16.c
index ac7983a2..d9c4e491 100644
--- a/crc/crc16.c
+++ b/crc/crc16.c
@@ -43,11 +43,12 @@ unsigned short const crc16_table[256] = {
 	0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
 };
 
-unsigned short crc16(unsigned char const *buffer, unsigned int len)
+unsigned short crc16(const void *buffer, unsigned int len)
 {
+	const unsigned char *cp = (const unsigned char *) buffer;
 	unsigned short crc = 0;
 
 	while (len--)
-		crc = crc16_byte(crc, *buffer++);
+		crc = crc16_byte(crc, *cp++);
 	return crc;
 }
diff --git a/crc/crc16.h b/crc/crc16.h
index 841378d4..6c078a4e 100644
--- a/crc/crc16.h
+++ b/crc/crc16.h
@@ -17,7 +17,7 @@
 
 extern unsigned short const crc16_table[256];
 
-extern unsigned short crc16(const unsigned char *buffer, unsigned int len);
+extern unsigned short crc16(const void *buffer, unsigned int len);
 
 static inline unsigned short crc16_byte(unsigned short crc,
 					const unsigned char data)