8361c53eac
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
1.0 KiB
Diff
32 lines
1.0 KiB
Diff
From 18ca43507b351f339ff23062541ee8d58e813a53 Mon Sep 17 00:00:00 2001
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From: Florian Forster <ff@octo.it>
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Date: Sun, 29 Jul 2018 14:34:19 +0200
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Subject: [PATCH] ping_host_add: Decrease buffer size to make GCC's truncation
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check happy.
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Fixes: #38
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Retrieved from:
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https://github.com/octo/liboping/commit/18ca43507b351f339ff23062541ee8d58e813a53]
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---
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src/liboping.c | 6 ++----
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1 file changed, 2 insertions(+), 4 deletions(-)
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diff --git a/src/liboping.c b/src/liboping.c
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index 5253e8c..2470988 100644
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--- a/src/liboping.c
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+++ b/src/liboping.c
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@@ -1636,10 +1636,8 @@ int ping_host_add (pingobj_t *obj, const char *host)
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}
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else
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{
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- char errmsg[PING_ERRMSG_LEN];
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-
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- snprintf (errmsg, PING_ERRMSG_LEN, "Unknown `ai_family': %i", ai_ptr->ai_family);
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- errmsg[PING_ERRMSG_LEN - 1] = '\0';
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+ char errmsg[64];
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+ snprintf (errmsg, sizeof(errmsg), "Unknown `ai_family': %d", ai_ptr->ai_family);
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dprintf ("%s", errmsg);
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ping_set_error (obj, "getaddrinfo", errmsg);
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