Use helpline for printing error/debug messages. The code resembles a TUI counter part and only print the first line of the message. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Pekka Enberg <penberg@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1345104894-14205-5-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
		
			
				
	
	
		
			56 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#include <stdio.h>
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#include <string.h>
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#include "gtk.h"
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#include "../ui.h"
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#include "../helpline.h"
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#include "../../util/debug.h"
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static void gtk_helpline_pop(void)
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{
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	if (!perf_gtk__is_active_context(pgctx))
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		return;
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	gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar),
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			  pgctx->statbar_ctx_id);
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}
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static void gtk_helpline_push(const char *msg)
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{
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	if (!perf_gtk__is_active_context(pgctx))
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		return;
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	gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar),
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			   pgctx->statbar_ctx_id, msg);
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}
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static struct ui_helpline gtk_helpline_fns = {
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	.pop	= gtk_helpline_pop,
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	.push	= gtk_helpline_push,
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};
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void perf_gtk__init_helpline(void)
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{
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	helpline_fns = >k_helpline_fns;
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}
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int perf_gtk__show_helpline(const char *fmt, va_list ap)
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{
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	int ret;
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	char *ptr;
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	static int backlog;
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	ret = vscnprintf(ui_helpline__current + backlog,
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			 sizeof(ui_helpline__current) - backlog, fmt, ap);
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	backlog += ret;
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	/* only first line can be displayed */
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	ptr = strchr(ui_helpline__current, '\n');
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	if (ptr && (ptr - ui_helpline__current) <= backlog) {
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		*ptr = '\0';
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		ui_helpline__puts(ui_helpline__current);
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		backlog = 0;
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	}
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	return ret;
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}
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