fping 3.1 Solaris 8 patch

fix_ipv6_on_solaris.diff

--- fping.c-orig        2011-12-22 16:05:18.000000000 +0100
+++ fping.c     2012-01-13 17:47:08.000000000 +0100
@@ -386,6 +386,37 @@
 
 #endif /* _NO_PROTO */
 
+#if defined (__SVR4) && defined (__sun)
+/* on Solaris use code from glibc's misc/err.c because the IPv6 support needs it */
+#include <stdarg.h>
+extern char *prog; /* set by fping.c */
+extern int errno;
+
+static void err(int status, const char* format, ...) {
+  int error = errno;
+  fprintf (stderr, "%s: ", prog);
+  if (format) {
+    va_list ap;
+    va_start(ap, format);
+    vfprintf (stderr, format, ap);
+    va_end (ap);
+  } 
+  fprintf (stderr, "%s\n", strerror(error));
+  exit(status);
+}
+
+static void warnx(const char* format, ...) {
+  fprintf (stderr, "%s: ", prog);
+  if (format) {
+    va_list ap;
+    va_start (ap, format);
+    vfprintf (stderr, format, ap);
+    va_end (ap);
+  }
+  fprintf (stderr, "\n");
+}
+#endif /* Solaris */
+
 /*** function definitions ***/
 
 /************************************************************