formatting changes

Manual format adjustments.
Comment adjustments.
Remove usage of the register keyword.

1 files changed, 15 insertions, 13 deletions

diff --git a/src/dnsstub/dns_rcip.c b/src/dnsstub/dns_rcip.c
index fd86df9..2d6ad08 100644
--- a/src/dnsstub/dns_rcip.c
+++ b/src/dnsstub/dns_rcip.c
@@ -7,10 +7,10 @@
 #include "taia.h"
 
 /**
-	@file dns_rcip.c
-	@author djb, fefe, feh
-	@source ucspi-tcp
-	@brief DNS receive for query
+  @file dns_rcip.c
+  @author djb, fefe, feh
+  @source ucspi-tcp
+  @brief DNS receive for query
 */
 
 static stralloc data = {0};
@@ -26,25 +26,26 @@ static int init(char ip[QUERY_MAXIPLEN], uint32 sid[QUERY_MAXNS])
   char ip4[4];
 
   /* Read (compactified) IPv4|v6 addresses of resolvers
-   Store them in array IP with fixed length : 
-   ip(64) -> 16 IPv4 addresses (not used anymore)
-   ip(512) -> 16*2 IPv6 addresses (we use IPv4 mapped IPv6 addresses) 
-   sid(32) -> the scope for the respective IPv6 or 0
-*/
+     Store them in array IP with fixed length:
+     ip(64) -> 16 IPv4 addresses (not used anymore)
+     ip(512) -> 16*2 IPv6 addresses (we use IPv4 mapped IPv6 addresses)
+     sid(32) -> the scope for the respective IPv6 or 0
+  */
   for (i = 0; i < QUERY_MAXNS; ++i) sid[i] = 0;
 
   x = env_get("DNSCACHEIP");
-  if (x)
+  if (x) {
     while (iplen <= 240 && *x != '\0') {
-      if (*x == ' ')
+      if (*x == ' ') {
         ++x;
-      else if ((i = ip6_ifscan(x, ip + iplen, &ifname))) {
+      } else if ((i = ip6_ifscan(x, ip + iplen, &ifname))) {
         if (ifname.len > 2) sid[k] = socket_getifidx(ifname.s);
         iplen += 16;
         k++;
         if (*(x += i) == '\0') break;
       }
     }
+  }
 
   if (!iplen) {
     i = openreadclose("/etc/resolv.conf", &data, 64);
@@ -52,7 +53,7 @@ static int init(char ip[QUERY_MAXIPLEN], uint32 sid[QUERY_MAXNS])
     if (i) {
       if (!stralloc_append(&data, "\n")) return DNS_MEM;
       i = 0;
-      for (j = 0; j < data.len; ++j)
+      for (j = 0; j < data.len; ++j) {
         if (data.s[j] == '\n') {
           if (byte_equal("nameserver ", 11, data.s + i) || byte_equal("nameserver\t", 11, data.s + i)) {
             i += 10;
@@ -75,6 +76,7 @@ static int init(char ip[QUERY_MAXIPLEN], uint32 sid[QUERY_MAXNS])
           }
           i = j + 1;
         }
+      }
     }
   }