#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>

#include "../../util/debug.h"
#include "../helpline.h"
#include "../ui.h"
#include "../libslang.h"

char ui_helpline__last_msg[1024];
bool tui_helpline__set;

static void tui_helpline__pop(void)
{
}

static void tui_helpline__push(const char *msg)
{
	const size_t sz = sizeof(ui_helpline__current);

	SLsmg_gotorc(SLtt_Screen_Rows - 1, 0);
	SLsmg_set_color(0);
	SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols);
	SLsmg_refresh();
	strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0';
}

static int tui_helpline__show(const char *format, va_list ap)
{
	int ret;
	static int backlog;

	pthread_mutex_lock(&ui__lock);
	ret = vscnprintf(ui_helpline__last_msg + backlog,
			sizeof(ui_helpline__last_msg) - backlog, format, ap);
	backlog += ret;

	tui_helpline__set = true;

	if (ui_helpline__last_msg[backlog - 1] == '\n') {
		ui_helpline__puts(ui_helpline__last_msg);
		SLsmg_refresh();
		backlog = 0;
	}
	pthread_mutex_unlock(&ui__lock);

	return ret;
}

struct ui_helpline tui_helpline_fns = {
	.pop	= tui_helpline__pop,
	.push	= tui_helpline__push,
	.show	= tui_helpline__show,
};

void ui_helpline__init(void)
{
	helpline_fns = &tui_helpline_fns;
	ui_helpline__puts(" ");
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/wireless?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>wireless</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/wireless/sysfs.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>sysfs.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c73e44269369e936165f0f9b61f1f09a11dae01c'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Vincent &lt;vincent.stehle@laposte.net&gt;</td><td class='right'>2017-01-30 15:06:43 +0100</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-01-31 13:07:40 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/wireless/sysfs.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>c73e44269369e936165f0f9b61f1f09a11dae01c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/wireless/sysfs.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>e2188e900ba06302f8ed2746cb07edd3efbc5c35</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/wireless/sysfs.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>net/wireless/sysfs.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/wireless/sysfs.c?id=040587af31228d82c52267f717c9fcdb65f36335'>040587af31228d82c52267f717c9fcdb65f36335</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/wireless/sysfs.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c&amp;id2=040587af31228d82c52267f717c9fcdb65f36335'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: thunderx: avoid dereferencing xcv when NULL</div><div class='commit-msg'>This fixes the following smatch and coccinelle warnings:

  drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119 xcv_setup_link() error: we previously assumed 'xcv' could be null (see line 118) [smatch]
  drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119:16-20: ERROR: xcv is NULL but dereferenced. [coccinelle]

Fixes: 6465859aba1e66a5 ("net: thunderx: Add RGMII interface type support")
Signed-off-by: Vincent Stehlé &lt;vincent.stehle@laposte.net&gt;
Cc: Sunil Goutham &lt;sgoutham@cavium.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>Diffstat</a> (limited to 'net/wireless/sysfs.c')</div><table summary='diffstat' class='diffstat'>