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[gnulib.git] / lib / inet_pton.c

diff --git a/lib/inet_pton.c b/lib/inet_pton.c
index a9c9baf..8907b35 100644 (file)
--- a/lib/inet_pton.c
+++ b/lib/inet_pton.c
@@ -57,14 +57,14 @@ static int inet_pton6 (const char *src, unsigned char *dst);
 
 /* int
  * inet_pton(af, src, dst)
- *     convert from presentation format (which usually means ASCII printable)
- *     to network format (which is usually some kind of binary format).
+ *      convert from presentation format (which usually means ASCII printable)
+ *      to network format (which is usually some kind of binary format).
  * return:
- *     1 if the address was valid for the specified address family
- *     0 if the address wasn't valid (`dst' is untouched in this case)
- *     -1 if some other error occurred (`dst' is untouched in this case, too)
+ *      1 if the address was valid for the specified address family
+ *      0 if the address wasn't valid (`dst' is untouched in this case)
+ *      -1 if some other error occurred (`dst' is untouched in this case, too)
  * author:
- *     Paul Vixie, 1996.
+ *      Paul Vixie, 1996.
  */
 int
 inet_pton (int af, const char *restrict src, void *restrict dst)
@@ -88,14 +88,14 @@ inet_pton (int af, const char *restrict src, void *restrict dst)
 
 /* int
  * inet_pton4(src, dst)
- *     like inet_aton() but without all the hexadecimal, octal (with the
- *     exception of 0) and shorthand.
+ *      like inet_aton() but without all the hexadecimal, octal (with the
+ *      exception of 0) and shorthand.
  * return:
- *     1 if `src' is a valid dotted quad, else 0.
+ *      1 if `src' is a valid dotted quad, else 0.
  * notice:
- *     does not touch `dst' unless it's returning 1.
+ *      does not touch `dst' unless it's returning 1.
  * author:
- *     Paul Vixie, 1996.
+ *      Paul Vixie, 1996.
  */
 static int
 inet_pton4 (const char *restrict src, unsigned char *restrict dst)
@@ -110,30 +110,30 @@ inet_pton4 (const char *restrict src, unsigned char *restrict dst)
     {
 
       if (ch >= '0' && ch <= '9')
-       {
-         unsigned new = *tp * 10 + (ch - '0');
-
-         if (saw_digit && *tp == 0)
-           return (0);
-         if (new > 255)
-           return (0);
-         *tp = new;
-         if (!saw_digit)
-           {
-             if (++octets > 4)
-               return (0);
-             saw_digit = 1;
-           }
-       }
+        {
+          unsigned new = *tp * 10 + (ch - '0');
+
+          if (saw_digit && *tp == 0)
+            return (0);
+          if (new > 255)
+            return (0);
+          *tp = new;
+          if (!saw_digit)
+            {
+              if (++octets > 4)
+                return (0);
+              saw_digit = 1;
+            }
+        }
       else if (ch == '.' && saw_digit)
-       {
-         if (octets == 4)
-           return (0);
-         *++tp = 0;
-         saw_digit = 0;
-       }
+        {
+          if (octets == 4)
+            return (0);
+          *++tp = 0;
+          saw_digit = 0;
+        }
       else
-       return (0);
+        return (0);
     }
   if (octets < 4)
     return (0);
@@ -145,16 +145,16 @@ inet_pton4 (const char *restrict src, unsigned char *restrict dst)
 
 /* int
  * inet_pton6(src, dst)
- *     convert presentation level address to network order binary form.
+ *      convert presentation level address to network order binary form.
  * return:
- *     1 if `src' is a valid [RFC1884 2.2] address, else 0.
+ *      1 if `src' is a valid [RFC1884 2.2] address, else 0.
  * notice:
- *     (1) does not touch `dst' unless it's returning 1.
- *     (2) :: in a full address is silently ignored.
+ *      (1) does not touch `dst' unless it's returning 1.
+ *      (2) :: in a full address is silently ignored.
  * credit:
- *     inspired by Mark Andrews.
+ *      inspired by Mark Andrews.
  * author:
- *     Paul Vixie, 1996.
+ *      Paul Vixie, 1996.
  */
 static int
 inet_pton6 (const char *restrict src, unsigned char *restrict dst)
@@ -181,49 +181,49 @@ inet_pton6 (const char *restrict src, unsigned char *restrict dst)
 
       pch = strchr (xdigits, ch);
       if (pch != NULL)
-       {
-         val <<= 4;
-         val |= (pch - xdigits);
-         if (val > 0xffff)
-           return (0);
-         saw_xdigit = 1;
-         continue;
-       }
+        {
+          val <<= 4;
+          val |= (pch - xdigits);
+          if (val > 0xffff)
+            return (0);
+          saw_xdigit = 1;
+          continue;
+        }
       if (ch == ':')
-       {
-         curtok = src;
-         if (!saw_xdigit)
-           {
-             if (colonp)
-               return (0);
-             colonp = tp;
-             continue;
-           }
-         else if (*src == '\0')
-           {
-             return (0);
-           }
-         if (tp + NS_INT16SZ > endp)
-           return (0);
-         *tp++ = (u_char) (val >> 8) & 0xff;
-         *tp++ = (u_char) val & 0xff;
-         saw_xdigit = 0;
-         val = 0;
-         continue;
-       }
+        {
+          curtok = src;
+          if (!saw_xdigit)
+            {
+              if (colonp)
+                return (0);
+              colonp = tp;
+              continue;
+            }
+          else if (*src == '\0')
+            {
+              return (0);
+            }
+          if (tp + NS_INT16SZ > endp)
+            return (0);
+          *tp++ = (u_char) (val >> 8) & 0xff;
+          *tp++ = (u_char) val & 0xff;
+          saw_xdigit = 0;
+          val = 0;
+          continue;
+        }
       if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
-         inet_pton4 (curtok, tp) > 0)
-       {
-         tp += NS_INADDRSZ;
-         saw_xdigit = 0;
-         break;                /* '\0' was seen by inet_pton4(). */
-       }
+          inet_pton4 (curtok, tp) > 0)
+        {
+          tp += NS_INADDRSZ;
+          saw_xdigit = 0;
+          break;                /* '\0' was seen by inet_pton4(). */
+        }
       return (0);
     }
   if (saw_xdigit)
     {
       if (tp + NS_INT16SZ > endp)
-       return (0);
+        return (0);
       *tp++ = (u_char) (val >> 8) & 0xff;
       *tp++ = (u_char) val & 0xff;
     }
@@ -237,12 +237,12 @@ inet_pton6 (const char *restrict src, unsigned char *restrict dst)
       int i;
 
       if (tp == endp)
-       return (0);
+        return (0);
       for (i = 1; i <= n; i++)
-       {
-         endp[-i] = colonp[n - i];
-         colonp[n - i] = 0;
-       }
+        {
+          endp[-i] = colonp[n - i];
+          colonp[n - i] = 0;
+        }
       tp = endp;
     }
   if (tp != endp)