X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fstring%2Fstrerror_r.c;fp=src%2Fstring%2Fstrerror_r.c;h=907dcf079a9a39c977ef52523c4fb564676f5217;hb=f313a1622448de578ab0b11a881f44a02c9082e6;hp=6fdd4ce2c844530222a974d3b543a002bec4e04c;hpb=839bff64a17c1ecaed60feefd9b63554ca9cbad6;p=musl

diff --git a/src/string/strerror_r.c b/src/string/strerror_r.c
index 6fdd4ce2..907dcf07 100644
--- a/src/string/strerror_r.c
+++ b/src/string/strerror_r.c
@@ -4,8 +4,14 @@
 int strerror_r(int err, char *buf, size_t buflen)
 {
 	char *msg = strerror(err);
-	if (strlen(msg) >= buflen)
+	size_t l = strlen(msg);
+	if (l >= buflen) {
+		if (buflen) {
+			memcpy(buf, msg, buflen-1);
+			buf[buflen-1] = 0;
+		}
 		return ERANGE;
-	strcpy(buf, msg);
+	}
+	memcpy(buf, msg, l+1);
 	return 0;
 }