X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Foping.c;h=d4469a8f94f4744a4f5e77c8e40f62c44354b39a;hb=33a84dc3dca4be5fe92061153277eb5df8a54e7f;hp=48f6db51886a5fe323f30756011f418959a51ce2;hpb=aad7132669a318c360102c353bbad1f445d9a7fc;p=liboping.git

diff --git a/src/oping.c b/src/oping.c
index 48f6db5..d4469a8 100644
--- a/src/oping.c
+++ b/src/oping.c
@@ -4,8 +4,8 @@
  *
  * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation; only version 2 of the License is
+ * applicable.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -70,9 +70,10 @@ typedef struct ping_context
 	double latency_total_square;
 } ping_context_t;
 
-static double opt_interval   = 1.0;
-static int    opt_addrfamily = PING_DEF_AF;
-static int    opt_count      = -1;
+static double  opt_interval   = 1.0;
+static int     opt_addrfamily = PING_DEF_AF;
+static char   *opt_srcaddr    = NULL;
+static int     opt_count      = -1;
 
 void sigint_handler (int signal)
 {
@@ -115,7 +116,7 @@ int read_options (int argc, char **argv)
 
 	while (1)
 	{
-		optchar = getopt (argc, argv, "46c:hi:");
+		optchar = getopt (argc, argv, "46c:hi:I:");
 
 		if (optchar == -1)
 			break;
@@ -144,6 +145,13 @@ int read_options (int argc, char **argv)
 						opt_interval = new_interval;
 				}
 				break;
+			case 'I':
+				{
+					if (opt_srcaddr != NULL)
+						free (opt_srcaddr);
+					opt_srcaddr = strdup (optarg);
+				}
+				break;
 
 			case 'h':
 			default:
@@ -294,6 +302,15 @@ int main (int argc, char **argv)
 	if (opt_addrfamily != PING_DEF_AF)
 		ping_setopt (ping, PING_OPT_AF, (void *) &opt_addrfamily);
 
+	if (opt_srcaddr != NULL)
+	{
+		if (ping_setopt (ping, PING_OPT_SOURCE, (void *) opt_srcaddr) != 0)
+		{
+			fprintf (stderr, "Setting source address failed: %s\n",
+					ping_get_error (ping));
+		}
+	}
+
 	for (i = optind; i < argc; i++)
 	{
 		if (ping_host_add (ping, argv[i]) < 0)
@@ -355,7 +372,8 @@ int main (int argc, char **argv)
 
 		if (ping_send (ping) < 0)
 		{
-			fprintf (stderr, "ping_send failed\n");
+			fprintf (stderr, "ping_send failed: %s\n",
+					ping_get_error (ping));
 			return (1);
 		}