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From a2134406ab0aef44e7b710e1e2a2a40965e96692 Mon Sep 17 00:00:00 2001
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From: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Thu, 13 Sep 2018 09:44:16 +1000
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Subject: [PATCH app/xrandr] init the name to 0
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There are a few conditions where coverity finds a use of an uninitialized
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field of the name_t struct. These are rather messy combinations of conditions,
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so let's go with the simple solution here and just init everything to 0.
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This may still have side-effects but at least they'll be more obvious than the
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previous "use whatever memory is leftover from breakfast".
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This patch also adds a missing init_name(), much for the same reason.
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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---
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xrandr.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/xrandr.c b/xrandr.c
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index 7f1e867..ce3cd91 100644
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--- a/xrandr.c
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+++ b/xrandr.c
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@@ -637,6 +637,7 @@ print_verbose_mode (const XRRModeInfo *mode, Bool current, Bool preferred)
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static void
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init_name (name_t *name)
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{
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+ memset(name, 0, sizeof(*name));
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name->kind = name_none;
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}
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@@ -1822,6 +1823,7 @@ get_outputs (void)
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output_t *output;
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name_t output_name;
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if (!output_info) fatal ("could not get output 0x%lx information\n", res->outputs[o]);
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+ init_name(&output_name);
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set_name_xid (&output_name, res->outputs[o]);
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set_name_index (&output_name, o);
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set_name_string (&output_name, output_info->name);
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--
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2.17.1
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