perf tools: Eliminate duplicate code and use PATH_MAX consistently

No need for multiple definitions for STR() and die(), also use SuSv2's
PATH_MAX instead of adding MAX_PATH.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qpujjkw7u0bf0tr4wt55cr9y@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 2 insertions, 26 deletions

diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index d2655f08bcc0..ac6830d8292b 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -18,7 +18,8 @@
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
-#define _GNU_SOURCE
+#include <ctype.h>
+#include "util.h"
 #include <dirent.h>
 #include <mntent.h>
 #include <stdio.h>
@@ -31,7 +32,6 @@
 #include <pthread.h>
 #include <fcntl.h>
 #include <unistd.h>
-#include <ctype.h>
 #include <errno.h>
 #include <stdbool.h>
 #include <linux/list.h>
@@ -44,10 +44,6 @@
 
 #define VERSION "0.5"
 
-#define _STR(x) #x
-#define STR(x) _STR(x)
-#define MAX_PATH 256
-
 #define TRACE_CTRL	"tracing_on"
 #define TRACE		"trace"
 #define AVAILABLE	"available_tracers"
@@ -73,26 +69,6 @@ struct events {
 };
 
 
-
-static void die(const char *fmt, ...)
-{
-	va_list ap;
-	int ret = errno;
-
-	if (errno)
-		perror("perf");
-	else
-		ret = -1;
-
-	va_start(ap, fmt);
-	fprintf(stderr, "  ");
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-
-	fprintf(stderr, "\n");
-	exit(ret);
-}
-
 void *malloc_or_die(unsigned int size)
 {
 	void *data;