---

yaml --- r: 323732 b: refs/heads/master c: e1aa7c3 h: refs/heads/master v: v3
git-mirror · Aug 22, 2012 · 18878ec · 18878ec
1 parent 73ce7bf
commit 18878ec
Show file tree

Hide file tree

Showing 3 changed files with 13 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2f197b9d7eeaa723a80243610956fe4a17e7b5a4
+refs/heads/master: e1aa7c30c599e99b4544f9e5b4c275c8a5325bdc
diff --git a/trunk/tools/lib/traceevent/event-parse.c b/trunk/tools/lib/traceevent/event-parse.c
@@ -4809,7 +4809,12 @@ int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum,
 	const char *msg;
 
 	if (errnum >= 0) {
-		strerror_r(errnum, buf, buflen);
+		msg = strerror_r(errnum, buf, buflen);
+		if (msg != buf) {
+			size_t len = strlen(msg);
+			char *c = mempcpy(buf, msg, min(buflen-1, len));
+			*c = '\0';
+		}
 		return 0;
 	}
 

diff --git a/trunk/tools/lib/traceevent/event-utils.h b/trunk/tools/lib/traceevent/event-utils.h
@@ -39,6 +39,12 @@ void __vdie(const char *fmt, ...);
 void __vwarning(const char *fmt, ...);
 void __vpr_stat(const char *fmt, ...);
 
+#define min(x, y) ({				\
+	typeof(x) _min1 = (x);			\
+	typeof(y) _min2 = (y);			\
+	(void) (&_min1 == &_min2);		\
+	_min1 < _min2 ? _min1 : _min2; })
+
 static inline char *strim(char *string)
 {
 	char *ret;