1 files changed, 9 insertions, 0 deletions
diff --git a/deps/uv/src/unix/os390-syscalls.c b/deps/uv/src/unix/os390-syscalls.c
index 86c6852b4b..5bc489387e 100644
--- a/deps/uv/src/unix/os390-syscalls.c
+++ b/deps/uv/src/unix/os390-syscalls.c
@@ -427,3 +427,12 @@ ssize_t os390_readlink(const char* path, char* buf, size_t len) {
 
   return rlen;
 }
+
+
+size_t strnlen(const char* str, size_t maxlen) {
+  void* p = memchr(str, 0, maxlen);
+  if (p == NULL)
+    return maxlen;
+  else
+    return p - str;
+}