From f52f2c2828047c2f30d30fc1fe2b54d8db146d49 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期四, 25 二月 2021 15:56:35 +0800
Subject: [PATCH] update

---
 include/usgcommon/socket_io.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/usgcommon/socket_io.h b/include/usgcommon/socket_io.h
index 88d6045..171bf51 100644
--- a/include/usgcommon/socket_io.h
+++ b/include/usgcommon/socket_io.h
@@ -20,14 +20,14 @@
 } rio_t;
 /* Rio (Robust I/O) package */
 ssize_t rio_readn(int fd, void *usrbuf, size_t n);
-ssize_t rio_writen(int fd, void *usrbuf, size_t n);
+ssize_t rio_writen(int fd, const void *usrbuf, size_t n);
 void rio_readinitb(rio_t *rp, int fd); 
 ssize_t	rio_readnb(rio_t *rp, void *usrbuf, size_t n);
 ssize_t	rio_readlineb(rio_t *rp, char *usrbuf, size_t maxlen);
 
 /* Wrappers for Rio package */
 ssize_t Rio_readn(int fd, void *usrbuf, size_t n);
-void Rio_writen(int fd, void *usrbuf, size_t n);
+void Rio_writen(int fd, const void *usrbuf, size_t n);
 void Rio_readinitb(rio_t *rp, int fd); 
 ssize_t Rio_readnb(rio_t *rp, void *usrbuf, size_t n);
 ssize_t Rio_readlineb(rio_t *rp, char *usrbuf, size_t maxlen);

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