X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstring%2Fstrerror_r.c;h=da26b4fe9875a13839ce0b105fade0c13fc12712;hb=6688a778b0419eab32e715f269319248edee9da5;hp=6fdd4ce2c844530222a974d3b543a002bec4e04c;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/string/strerror_r.c b/src/string/strerror_r.c
index 6fdd4ce2..da26b4fe 100644
--- a/src/string/strerror_r.c
+++ b/src/string/strerror_r.c
@@ -1,11 +1,20 @@
 #include <string.h>
 #include <errno.h>
+#include "libc.h"
 
 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;
 }
+
+weak_alias(strerror_r, __xpg_strerror_r);