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tools lib traceevent: Use str_error_r()

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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 <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Wang Nan <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-07-08 15:21:37 -03:00
commit c3cec9e68f
1 changed files with 2 additions and 6 deletions
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8
tools/lib/traceevent/event-parse.c
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@ -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;
}