diff --git a/include/http_protocol.h b/include/http_protocol.h

index e1572dc..8ed77ac 100644

--- a/include/http_protocol.h

+++ b/include/http_protocol.h

@@ -439,7 +439,27 @@ AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r);

  */

 static APR_INLINE int ap_rputs(const char *str, request_rec *r)

 {

-    return ap_rwrite(str, (int)strlen(str), r);

+    apr_size_t len;

+

+    len = strlen(str);

+

+    for (;;) {

+        if (len <= INT_MAX) {

+            return ap_rwrite(str, (int)len, r);

+        }

+        else {

+            int rc;

+

+            rc = ap_rwrite(str, INT_MAX, r);

+            if (rc < 0) {

+                return rc;

+            }

+            else {

+                str += INT_MAX;

+                len -= INT_MAX;

+            }

+        }

+    }

 }

 /**

diff --git a/server/protocol.c b/server/protocol.c

index a554970..ea461a2 100644

--- a/server/protocol.c

+++ b/server/protocol.c

@@ -2107,6 +2107,9 @@ AP_DECLARE(int) ap_rputc(int c, request_rec *r)

 AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r)

 {

+    if (nbyte < 0)

+        return -1;

+

     if (r->connection->aborted)

         return -1;