Imported Upstream version 3.2.0

[debian/amanda] / gnulib / inet_ntop.c

diff --git a/gnulib/inet_ntop.c b/gnulib/inet_ntop.c
index 16eb109210e2e59658073c9576096eb9eb8d659a..baaa23f85655a6eab253a96fc05db261ce7a05ea 100644 (file)
--- a/gnulib/inet_ntop.c
+++ b/gnulib/inet_ntop.c
@@ -1,10 +1,10 @@
 /* inet_ntop.c -- convert IPv4 and IPv6 addresses from binary to text form
 
-   Copyright (C) 2005, 2006, 2008  Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2010 Free Software Foundation, Inc.
 
    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
-   the Free Software Foundation; either version 2, or (at your option)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -42,10 +42,6 @@
 #include <string.h>
 #include <errno.h>
 
-#ifndef EAFNOSUPPORT
-# define EAFNOSUPPORT EINVAL
-#endif
-
 #define NS_IN6ADDRSZ 16
 #define NS_INT16SZ 2
 
@@ -63,15 +59,15 @@ static const char *inet_ntop6 (const unsigned char *src, char *dst, socklen_t si
 
 /* char *
  * inet_ntop(af, src, dst, size)
- *     convert a network format address to presentation format.
+ *      convert a network format address to presentation format.
  * return:
- *     pointer to presentation format address (`dst'), or NULL (see errno).
+ *      pointer to presentation format address (`dst'), or NULL (see errno).
  * author:
- *     Paul Vixie, 1996.
+ *      Paul Vixie, 1996.
  */
 const char *
 inet_ntop (int af, const void *restrict src,
-          char *restrict dst, socklen_t cnt)
+           char *restrict dst, socklen_t cnt)
 {
   switch (af)
     {
@@ -94,14 +90,14 @@ inet_ntop (int af, const void *restrict src,
 
 /* const char *
  * inet_ntop4(src, dst, size)
- *     format an IPv4 address
+ *      format an IPv4 address
  * return:
- *     `dst' (as a const)
+ *      `dst' (as a const)
  * notes:
- *     (1) uses no statics
- *     (2) takes a u_char* not an in_addr as input
+ *      (1) uses no statics
+ *      (2) takes a u_char* not an in_addr as input
  * author:
- *     Paul Vixie, 1996.
+ *      Paul Vixie, 1996.
  */
 static const char *
 inet_ntop4 (const unsigned char *src, char *dst, socklen_t size)
@@ -126,9 +122,9 @@ inet_ntop4 (const unsigned char *src, char *dst, socklen_t size)
 
 /* const char *
  * inet_ntop6(src, dst, size)
- *     convert IPv6 binary address into presentation (printable) format
+ *      convert IPv6 binary address into presentation (printable) format
  * author:
- *     Paul Vixie, 1996.
+ *      Paul Vixie, 1996.
  */
 static const char *
 inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
@@ -161,26 +157,26 @@ inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
   for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++)
     {
       if (words[i] == 0)
-       {
-         if (cur.base == -1)
-           cur.base = i, cur.len = 1;
-         else
-           cur.len++;
-       }
+        {
+          if (cur.base == -1)
+            cur.base = i, cur.len = 1;
+          else
+            cur.len++;
+        }
       else
-       {
-         if (cur.base != -1)
-           {
-             if (best.base == -1 || cur.len > best.len)
-               best = cur;
-             cur.base = -1;
-           }
-       }
+        {
+          if (cur.base != -1)
+            {
+              if (best.base == -1 || cur.len > best.len)
+                best = cur;
+              cur.base = -1;
+            }
+        }
     }
   if (cur.base != -1)
     {
       if (best.base == -1 || cur.len > best.len)
-       best = cur;
+        best = cur;
     }
   if (best.base != -1 && best.len < 2)
     best.base = -1;
@@ -193,28 +189,28 @@ inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
     {
       /* Are we inside the best run of 0x00's? */
       if (best.base != -1 && i >= best.base && i < (best.base + best.len))
-       {
-         if (i == best.base)
-           *tp++ = ':';
-         continue;
-       }
+        {
+          if (i == best.base)
+            *tp++ = ':';
+          continue;
+        }
       /* Are we following an initial run of 0x00s or any real hex? */
       if (i != 0)
-       *tp++ = ':';
+        *tp++ = ':';
       /* Is this address an encapsulated IPv4? */
       if (i == 6 && best.base == 0 &&
-         (best.len == 6 || (best.len == 5 && words[5] == 0xffff)))
-       {
-         if (!inet_ntop4 (src + 12, tp, sizeof tmp - (tp - tmp)))
-           return (NULL);
-         tp += strlen (tp);
-         break;
-       }
+          (best.len == 6 || (best.len == 5 && words[5] == 0xffff)))
+        {
+          if (!inet_ntop4 (src + 12, tp, sizeof tmp - (tp - tmp)))
+            return (NULL);
+          tp += strlen (tp);
+          break;
+        }
       {
-       int len = sprintf (tp, "%x", words[i]);
-       if (len < 0)
-         return NULL;
-       tp += len;
+        int len = sprintf (tp, "%x", words[i]);
+        if (len < 0)
+          return NULL;
+        tp += len;
       }
     }
   /* Was it a trailing run of 0x00's? */