X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/83e1be2f4b6bb25036b70b246d3bbc08f4390f3b..ea23049b172e53c77cd57c6c653b6f204c346c99:/src/internal.h?ds=sidebyside

diff --git a/src/internal.h b/src/internal.h
index 9e442fe..b82857c 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -6,10 +6,10 @@
  */
 /*
  *  This file is
- *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+ *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
  *
  *  It is part of adns, which is
- *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+ *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
  *    Copyright (C) 1999 Tony Finch <dot@dotat.at>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -58,6 +58,7 @@ typedef unsigned char byte;
 
 #define DNS_PORT 53
 #define DNS_MAXUDP 512
+#define DNS_MAXLABEL 63
 #define DNS_MAXDOMAIN 255
 #define DNS_HDRSIZE 12
 #define DNS_IDOFFSET 0
@@ -288,10 +289,10 @@ struct adns__state {
     server_ok, server_broken
   } tcpstate;
   struct timeval tcptimeout;
-  /* This will have tv_sec==0 if it is not valid.
-   * It will always be valid if tcpstate _connecting.
-   * When _ok, it will be nonzero if we are idle
-   * (ie, tcpw queue is empty) and counting down.
+  /* This will have tv_sec==0 if it is not valid.  It will always be
+   * valid if tcpstate _connecting.  When _ok, it will be nonzero if
+   * we are idle (ie, tcpw queue is empty), in which case it is the
+   * absolute time when we will close the connection.
    */
   struct sigaction stdsigpipe;
   sigset_t stdsigmask;
@@ -683,6 +684,9 @@ static inline int ctype_alpha(int c) {
   return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
 }
 static inline int ctype_822special(int c) { return strchr("()<>@,;:\\\".[]",c) != 0; }
+static inline int ctype_domainunquoted(int c) {
+  return ctype_alpha(c) || ctype_digit(c) || (strchr("-_/+",c) != 0);
+}
 
 static inline int errno_resources(int e) { return e==ENOMEM || e==ENOBUFS; }