X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/adns/blobdiff_plain/80775c8e1acaba52a61e1f240399777becee26a6..1bd9afad43bdb93e74d849a754ec33bd51428bd1:/client/adnslogres.c?ds=inline

diff --git a/client/adnslogres.c b/client/adnslogres.c
index 25d66ba..79d3da6 100644
--- a/client/adnslogres.c
+++ b/client/adnslogres.c
@@ -30,7 +30,7 @@
  */
 
 static const char * const cvsid =
-	"$Id: adnslogres.c,v 1.6 1999/10/15 16:43:23 ian Exp $";
+	"$Id: adnslogres.c,v 1.7 1999/10/15 16:46:14 ian Exp $";
 
 #include <sys/types.h>
 #include <sys/time.h>
@@ -56,9 +56,12 @@ static const char * const cvsid =
 
 static const char *progname;
 
-static void aargh(const char *msg) {
-  fprintf(stderr, "%s: %s: %s (%d)\n", progname, msg,
-	  strerror(errno) ? strerror(errno) : "Unknown error", errno);
+#define msg(fmt, args...) fprintf(stderr, "%s: " fmt "\n", progname, ##args)
+
+static void aargh(const char *cause) {
+  const char *why = strerror(errno);
+  if (!why) why = "Unknown error";
+  msg("%s: %s (%d)", cause, why, errno);
   exit(1);
 }