Patch from Jay Kulpinski:

    __decode_dotted() does not count the null terminating byte of
    a hostname in the DNS response.  This causes lookups to fail
    if the DNS response doesn't compress domain names in the
    message.

diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
index 0cc3443..ca8f4c7 100644 (file)
--- a/libc/inet/resolv.c
+++ b/libc/inet/resolv.c
@@ -50,6 +50,11 @@
  *   allocation accordingly.  See MAX_ALIASES and ALIAS_DIM below.
  *   This fixes the segfault in the Python 2.2.1 socket test.
  *
+ * 04-Jan-2003 Jay Kulpinski <jskulpin@berkshire.rr.com>
+ *   Fixed __decode_dotted to count the terminating null character
+ *   in a host name.
+ *
+ *
  */
 
 #define __FORCE_GLIBC
@@ -307,6 +312,11 @@ int __decode_dotted(const unsigned char *data, int offset,
                        dest[used++] = '\0';
        }
 
+       /* The null byte must be counted too */
+       if (measure) {
+           total++;
+       }
+
        DPRINTF("Total decode len = %d\n", total);
 
        return total;