![Fabrice Fontaine](/assets/img/avatar_default.png)
liboping.c: In function 'ping_host_add': liboping.c:207:9: error: '%s' directive output may be truncated writing up to 255 bytes into a region of size 243 [-Werror=format-truncation=] "%s: %s", function, message); ^~ liboping.c:1644:40: ping_set_error (obj, "getaddrinfo", errmsg); ~~~~~~ liboping.c:206:2: note: 'snprintf' output between 14 and 269 bytes into a destination of size 256 snprintf (obj->errmsg, sizeof (obj->errmsg), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%s: %s", function, message); Fixes: - http://autobuild.buildroot.org/results/b12d86388b495a96194e0bcbb5c19a4e35cbc53d Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
32 lines
1 KiB
Diff
32 lines
1 KiB
Diff
From 18ca43507b351f339ff23062541ee8d58e813a53 Mon Sep 17 00:00:00 2001
|
|
From: Florian Forster <ff@octo.it>
|
|
Date: Sun, 29 Jul 2018 14:34:19 +0200
|
|
Subject: [PATCH] ping_host_add: Decrease buffer size to make GCC's truncation
|
|
check happy.
|
|
|
|
Fixes: #38
|
|
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
|
|
[Retrieved from:
|
|
https://github.com/octo/liboping/commit/18ca43507b351f339ff23062541ee8d58e813a53]
|
|
---
|
|
src/liboping.c | 6 ++----
|
|
1 file changed, 2 insertions(+), 4 deletions(-)
|
|
|
|
diff --git a/src/liboping.c b/src/liboping.c
|
|
index 5253e8c..2470988 100644
|
|
--- a/src/liboping.c
|
|
+++ b/src/liboping.c
|
|
@@ -1636,10 +1636,8 @@ int ping_host_add (pingobj_t *obj, const char *host)
|
|
}
|
|
else
|
|
{
|
|
- char errmsg[PING_ERRMSG_LEN];
|
|
-
|
|
- snprintf (errmsg, PING_ERRMSG_LEN, "Unknown `ai_family': %i", ai_ptr->ai_family);
|
|
- errmsg[PING_ERRMSG_LEN - 1] = '\0';
|
|
+ char errmsg[64];
|
|
+ snprintf (errmsg, sizeof(errmsg), "Unknown `ai_family': %d", ai_ptr->ai_family);
|
|
|
|
dprintf ("%s", errmsg);
|
|
ping_set_error (obj, "getaddrinfo", errmsg);
|