From: Rosen Penev <rosenp at gmail.com>
To: powertop@lists.01.org
Subject: [Powertop] [PATCH] event-parse: Add compatibility for non GNU strerror_r
Date: Tue, 04 Jun 2019 12:04:47 -0700 [thread overview]
Message-ID: <20190604190447.8561-1-rosenp@gmail.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 848 bytes --]
Needed for libraries like musl that do not implement the GNU variant.
Signed-off-by: Rosen Penev <rosenp(a)gmail.com>
---
traceevent/event-parse.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/traceevent/event-parse.c b/traceevent/event-parse.c
index 5a717a0..1f7eb80 100644
--- a/traceevent/event-parse.c
+++ b/traceevent/event-parse.c
@@ -5121,12 +5121,17 @@ int pevent_strerror(struct pevent *pevent __maybe_unused,
const char *msg;
if (errnum >= 0) {
+#if defined(__GLIBC__)
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';
}
+#else
+ if (strerror_r(errnum, buf, buflen))
+ snprintf(buf, buflen, "errnum %i", errnum);
+#endif
return 0;
}
--
2.17.1
next reply other threads:[~2019-06-04 19:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-04 19:04 Rosen Penev [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-06-05 6:53 [Powertop] [PATCH] event-parse: Add compatibility for non GNU strerror_r Magnus Fromreide
2019-06-07 1:24 Rosen Penev
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