Constify get_crc args.

diff --git a/gpsbabel/defs.h b/gpsbabel/defs.h
index 2a722dfa43895ef9fa62212c3a309ab72904bf3f..6a02fba50535cb1982a2ccbd5ee7176d46cbc90c 100644 (file)
--- a/gpsbabel/defs.h
+++ b/gpsbabel/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/gpsbabel/netstumbler.c b/gpsbabel/netstumbler.c
index d1fe8df707e51aba644905cef959531782c52492..ef17d7715fcf3b321a046afcbcd6554f9a3ea72b 100644 (file)
--- a/gpsbabel/netstumbler.c
+++ b/gpsbabel/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/gpsbabel/util_crc.c b/gpsbabel/util_crc.c
index fa29dcee6d37e1e3830f83d99e76a1519d061d4e..390e66a77027a549a6b48fdf85f646817d908e2f 100644 (file)
--- a/gpsbabel/util_crc.c
+++ b/gpsbabel/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;