From fa7bb9be840c0e59dea293b417dfad04805cdf14 Mon Sep 17 00:00:00 2001
From: robertl <robertl>
Date: Wed, 16 Jun 2004 17:17:13 +0000
Subject: [PATCH] Constify get_crc args.

---
 defs.h        | 2 +-
 netstumbler.c | 1 -
 util_crc.c    | 2 +-
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/defs.h b/defs.h
index 2a722dfa4..6a02fba50 100644
--- a/defs.h
+++ b/defs.h
@@ -492,7 +492,7 @@ double degrees2ddmm(double deg_val);
 /*
  *  From util_crc.c
  */
-unsigned long get_crc32(void * data, int datalen);
+unsigned long get_crc32(const void * data, int datalen);
 
 /*
  * A constant for unknown altitude.   It's tempting to just use zero
diff --git a/netstumbler.c b/netstumbler.c
index d1fe8df70..ef17d7715 100644
--- a/netstumbler.c
+++ b/netstumbler.c
@@ -32,7 +32,6 @@ static char *sneicon = "Green Diamond";
 static char *snmac = NULL;
 
 static void	fix_netstumbler_dupes(void);
-extern unsigned long get_crc32(const void * data, int datalen);
 
 #define MYNAME "NETSTUMBLER"
 
diff --git a/util_crc.c b/util_crc.c
index fa29dcee6..390e66a77 100644
--- a/util_crc.c
+++ b/util_crc.c
@@ -67,7 +67,7 @@ static unsigned long crc32_table[256] =
 };
 
 unsigned long
-get_crc32(void * data, int datalen)
+get_crc32(const void * data, int datalen)
 {
 	unsigned long crc = 0xFFFFFFFF;
 	const unsigned char * cp = (unsigned char *)data;
-- 
2.30.2