X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fgeneral.c;h=ae1f05f96056826a944c7070f6fe74fc6b4c02e8;hb=73eb26037c46bebeaa30ba38eba887216f0e9a6e;hp=b701b9f8b57975ecd9ee752ca6ab5d81878e873e;hpb=ac868fa87da18cdebb86103b35ce250bd171f700;p=adns.git

diff --git a/src/general.c b/src/general.c
index b701b9f..ae1f05f 100644
--- a/src/general.c
+++ b/src/general.c
@@ -4,7 +4,12 @@
  * - vbuf handling
  */
 /*
- *  This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
+ *  This file is
+ *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
+ *
+ *  It is part of adns, which is
+ *    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
  *  it under the terms of the GNU General Public License as published by
@@ -22,8 +27,11 @@
  */
 
 #include <stdlib.h>
-#include <string.h>
+#include <unistd.h>
 
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
 #include <arpa/inet.h>
 
 #include "internal.h"
@@ -39,7 +47,11 @@ void adns__vdiag(adns_state ads, const char *pfx, adns_initflags prevent,
       (!(ads->iflags & adns_if_debug) && (!prevent || (ads->iflags & prevent))))
     return;
 
-  fprintf(ads->diagfile,"adns%s: ",pfx);
+  if (ads->iflags & adns_if_logpid) {
+    fprintf(ads->diagfile,"adns%s [%ld]: ",pfx,(long)getpid());
+  } else {
+    fprintf(ads->diagfile,"adns%s: ",pfx);
+  }
 
   vfprintf(ads->diagfile,fmt,al);
 
@@ -56,6 +68,7 @@ void adns__vdiag(adns_state ads, const char *pfx, adns_initflags prevent,
     if (qu->typei && qu->typei->fmtname)
       fprintf(ads->diagfile,"(%s)",qu->typei->fmtname);
     bef=", "; aft=")\n";
+    adns__vbuf_free(&vb);
   }
   
   if (serv>=0) {
@@ -197,16 +210,19 @@ adns_status adns_rr_info(adns_rrtype type,
   return st;
 }
 
-#define SINFO(n,s) { adns_s_##n, s }
+
+#define SINFO(n,s) { adns_s_##n, #n, s }
 
 static const struct sinfo {
   adns_status st;
+  const char *abbrev;
   const char *string;
 } sinfos[]= {
   SINFO(  ok,                  "OK"                                            ),
 
   SINFO(  nomemory,            "Out of memory"                                 ),
   SINFO(  unknownrrtype,       "Query not implemented in DNS library"          ),
+  SINFO(  systemfail,          "General resolver or system failure"            ),
 
   SINFO(  timeout,             "DNS query timed out"                           ),
   SINFO(  allservfail,         "All nameservers failed"                        ),
@@ -221,17 +237,17 @@ static const struct sinfo {
   SINFO(  rcodeunknown,        "Nameserver sent unknown response code"         ),
   
   SINFO(  inconsistent,        "Inconsistent resource records in DNS"          ),
-  SINFO(  prohibitedcname,     "DNS data refers to an alias"                   ),
+  SINFO(  prohibitedcname,     "DNS alias found where canonical name wanted"   ),
   SINFO(  answerdomaininvalid, "Found syntactically invalid domain name"       ),
   SINFO(  answerdomaintoolong, "Found overly-long domain name"                 ),
   SINFO(  invaliddata,         "Found invalid DNS data"                        ),
 
   SINFO(  querydomainwrong,    "Domain invalid for particular DNS query type"  ),
   SINFO(  querydomaininvalid,  "Domain name is syntactically invalid"          ),
-  SINFO(  querydomaintoolong,  "Domain name is too long"                       ),
+  SINFO(  querydomaintoolong,  "Domain name or component is too long"          ),
 
   SINFO(  nxdomain,            "No such domain"                                ),
-  SINFO(  nodata,              "No such data"                                  ),
+  SINFO(  nodata,              "No such data"                                  )
 };
 
 static int si_compar(const void *key, const void *elem) {
@@ -241,18 +257,61 @@ static int si_compar(const void *key, const void *elem) {
   return *st < si->st ? -1 : *st > si->st ? 1 : 0;
 }
 
+static const struct sinfo *findsinfo(adns_status st) {
+  return bsearch(&st,sinfos,sizeof(sinfos)/sizeof(*sinfos),sizeof(*sinfos),si_compar);
+}
+
 const char *adns_strerror(adns_status st) {
-  static char buf[100];
+  const struct sinfo *si;
 
+  si= findsinfo(st);
+  return si->string;
+}
+
+const char *adns_errabbrev(adns_status st) {
   const struct sinfo *si;
 
-  si= bsearch(&st,sinfos,sizeof(sinfos)/sizeof(*si),sizeof(*si),si_compar);
-  if (si) return si->string;
+  si= findsinfo(st);
+  return si->abbrev;
+}
+
+
+#define STINFO(max) { adns_s_max_##max, #max }
+
+static const struct stinfo {
+  adns_status stmax;
+  const char *abbrev;
+} stinfos[]= {
+  { adns_s_ok, "ok" },
+  STINFO(  localfail   ),
+  STINFO(  remotefail  ),
+  STINFO(  tempfail    ),
+  STINFO(  misconfig   ),
+  STINFO(  misquery    ),
+  STINFO(  permfail    )
+};
+
+static int sti_compar(const void *key, const void *elem) {
+  const adns_status *st= key;
+  const struct stinfo *sti= elem;
+
+  adns_status here, min, max;
+
+  here= *st;
+  min= (sti==stinfos) ? 0 : sti[-1].stmax+1;
+  max= sti->stmax;
   
-  snprintf(buf,sizeof(buf),"code %d",st);
-  return buf;
+  return here < min  ? -1 : here > max ? 1 : 0;
 }
 
+const char *adns_errtypeabbrev(adns_status st) {
+  const struct stinfo *sti;
+
+  sti= bsearch(&st,stinfos,sizeof(stinfos)/sizeof(*stinfos),sizeof(*stinfos),sti_compar);
+  return sti->abbrev;
+}
+
+
 void adns__isort(void *array, int nobjs, int sz, void *tempbuf,
 		 int (*needswap)(void *context, const void *a, const void *b),
 		 void *context) {