linux-kernel - [PATCH 12/13] perf tools: Don't die on a print function

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Message-Id: <20170405001724.14178-13-acme@kernel.org>
Date:   Tue,  4 Apr 2017 21:17:23 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 12/13] perf tools: Don't die on a print function

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Trying to remove die() calls from library functions, postponing exiting
to the tool main code.

Link: http://lkml.kernel.org/n/tip-ackxq5nqe39gunln3tkczs42@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/values.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index 2a8efa7b7c48..5de2e15e2eda 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -1,4 +1,7 @@
+#include <inttypes.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <errno.h>
 
 #include "util.h"
 #include "values.h"
@@ -196,8 +199,10 @@ static void perf_read_values__display_pretty(FILE *fp,
 	int *counterwidth;
 
 	counterwidth = malloc(values->counters * sizeof(*counterwidth));
-	if (!counterwidth)
-		die("failed to allocate counterwidth array");
+	if (!counterwidth) {
+		fprintf(fp, "INTERNAL ERROR: Failed to allocate counterwidth array\n");
+		return;
+	}
 	tidwidth = 3;
 	pidwidth = 3;
 	for (j = 0; j < values->counters; j++)
-- 
2.9.3