entropy: Avoid arithmetic on void pointer
Signed-off-by: nia <nia@netbsd.org>
diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index 69d06af..aaff26f 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -131,6 +131,7 @@
static int sysctl_arnd_wrapper( void *buf, size_t buflen )
{
+ unsigned char *output = buf;
int name[2];
size_t len;
@@ -140,10 +141,10 @@
while( buflen > 0 )
{
len = buflen > 256 ? 256 : buflen;
- if( sysctl(name, 2, buf, &len, NULL, 0) == -1 )
+ if( sysctl(name, 2, output, &len, NULL, 0) == -1 )
return( -1 );
buflen -= len;
- buf += len;
+ output += len;
}
return( 0 );
}