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Subject[PATCH 29/66] tools lib traceevent: Use str_error_r()
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

To make it portable to non-glibc systems, that follow the XSI variant
instead of the GNU specific one that gets in place when _GNU_SOURCE is
defined.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-c1gn8x978qfop65m510wy43o@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/lib/traceevent/event-parse.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index a8b6357d1ffe..3a7bd175f73c 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -31,6 +31,7 @@
#include <errno.h>
#include <stdint.h>
#include <limits.h>
+#include <linux/string.h>

#include <netinet/ip6.h>
#include "event-parse.h"
@@ -6131,12 +6132,7 @@ int pevent_strerror(struct pevent *pevent __maybe_unused,
const char *msg;

if (errnum >= 0) {
- msg = strerror_r(errnum, buf, buflen);
- if (msg != buf) {
- size_t len = strlen(msg);
- memcpy(buf, msg, min(buflen - 1, len));
- *(buf + min(buflen - 1, len)) = '\0';
- }
+ str_error_r(errnum, buf, buflen);
return 0;
}

--
2.7.4
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