Fix whitespace.

[tinc] / src / netutl.c

diff --git a/src/netutl.c b/src/netutl.c
index 9d848dc..a71b370 100644 (file)
--- a/src/netutl.c
+++ b/src/netutl.c
@@ -1,7 +1,7 @@
 /*
     netutl.c -- some supporting network utility code
     Copyright (C) 1998-2005 Ivo Timmermans
-                  2000-2011 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2012 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -82,8 +82,10 @@ void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
        int err;
 
        if(sa->sa.sa_family == AF_UNKNOWN) {
-               *addrstr = xstrdup(sa->unknown.address);
-               *portstr = xstrdup(sa->unknown.port);
+               if(addrstr)
+                       *addrstr = xstrdup(sa->unknown.address);
+               if(portstr)
+                       *portstr = xstrdup(sa->unknown.port);
                return;
        }
 
@@ -98,7 +100,7 @@ void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
        scopeid = strchr(address, '%');
 
        if(scopeid)
-               *scopeid = '\0';                /* Descope. */
+               *scopeid = '\0'; /* Descope. */
 
        if(addrstr)
                *addrstr = xstrdup(address);
@@ -216,78 +218,10 @@ void sockaddrfree(sockaddr_t *a) {
                free(a->unknown.port);
        }
 }
-       
+
 void sockaddrunmap(sockaddr_t *sa) {
        if(sa->sa.sa_family == AF_INET6 && IN6_IS_ADDR_V4MAPPED(&sa->in6.sin6_addr)) {
                sa->in.sin_addr.s_addr = ((uint32_t *) & sa->in6.sin6_addr)[3];
                sa->in.sin_family = AF_INET;
        }
 }
-
-/* Subnet mask handling */
-
-int maskcmp(const void *va, const void *vb, int masklen) {
-       int i, m, result;
-       const char *a = va;
-       const char *b = vb;
-
-       for(m = masklen, i = 0; m >= 8; m -= 8, i++) {
-               result = a[i] - b[i];
-               if(result)
-                       return result;
-       }
-
-       if(m)
-               return (a[i] & (0x100 - (1 << (8 - m)))) -
-                       (b[i] & (0x100 - (1 << (8 - m))));
-
-       return 0;
-}
-
-void mask(void *va, int masklen, int len) {
-       int i;
-       char *a = va;
-
-       i = masklen / 8;
-       masklen %= 8;
-
-       if(masklen)
-               a[i++] &= (0x100 - (1 << (8 - masklen)));
-
-       for(; i < len; i++)
-               a[i] = 0;
-}
-
-void maskcpy(void *va, const void *vb, int masklen, int len) {
-       int i, m;
-       char *a = va;
-       const char *b = vb;
-
-       for(m = masklen, i = 0; m >= 8; m -= 8, i++)
-               a[i] = b[i];
-
-       if(m) {
-               a[i] = b[i] & (0x100 - (1 << (8 - m)));
-               i++;
-       }
-
-       for(; i < len; i++)
-               a[i] = 0;
-}
-
-bool maskcheck(const void *va, int masklen, int len) {
-       int i;
-       const char *a = va;
-
-       i = masklen / 8;
-       masklen %= 8;
-
-       if(masklen && a[i++] & (0xff >> masklen))
-               return false;
-
-       for(; i < len; i++)
-               if(a[i] != 0)
-                       return false;
-
-       return true;
-}