mtr/mtr-default-hostname.patch

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2013-08-04 21:54:03 +00:00
From a646775da81a6a80c25b8bc5b26c465786ddfa38 Mon Sep 17 00:00:00 2001
From: Roger Wolff <R.E.Wolff@BitWizard.nl>
Date: Wed, 3 Jul 2013 12:00:28 +0200
Subject: [PATCH 1/4] fixed default hostname
---
mtr.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/mtr.c b/mtr.c
index 75a3b06..fd4705d 100644
--- a/mtr.c
+++ b/mtr.c
@@ -141,7 +141,8 @@ append_to_names(const char* progname, const char* item) {
fprintf(stderr, "%s: memory allocation failure\n", progname);
exit(EXIT_FAILURE);
}
- name->name = strdup(item);
+ // prepared for adding NULL name, but decided against that in the end.
+ name->name = item?strdup(item):item;
name->next = names;
names = name;
}
@@ -581,13 +582,16 @@ int main(int argc, char **argv)
}
time_t now = time(NULL);
+
+ if (!names) append_to_names (argv[0], "localhost"); // default: localhost.
+
names_t* head = names;
while (names != NULL) {
Hostname = names->name;
- if (Hostname == NULL) Hostname = "localhost";
+ // if (Hostname == NULL) Hostname = "localhost"; // no longer necessary.
if (gethostname(LocalHostname, sizeof(LocalHostname))) {
- strcpy(LocalHostname, "UNKNOWNHOST");
+ strcpy(LocalHostname, "UNKNOWNHOST");
}
if (net_preopen_result != 0) {
--
1.8.3.1