Initial version

1 files changed, 19 insertions, 0 deletions

diff --git a/src/string/strerror_r.c b/src/string/strerror_r.c
new file mode 100644
index 0000000..1dc88bb
--- /dev/null
+++ b/src/string/strerror_r.c
@@ -0,0 +1,19 @@
+#include <string.h>
+#include <errno.h>
+
+int strerror_r(int err, char *buf, size_t buflen)
+{
+	char *msg = strerror(err);
+	size_t l = strlen(msg);
+	if (l >= buflen) {
+		if (buflen) {
+			memcpy(buf, msg, buflen-1);
+			buf[buflen-1] = 0;
+		}
+		return ERANGE;
+	}
+	memcpy(buf, msg, l+1);
+	return 0;
+}
+
+weak_alias(strerror_r, __xpg_strerror_r);