From 8bdd13978c3b12a77ea260ad36c7d75edb4764aa Mon Sep 17 00:00:00 2001
From: fumiama <s862105088@gmail.com>
Date: Wed, 5 May 2021 22:50:55 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3linux=20sendfile=E8=BF=94?=
 =?UTF-8?q?=E5=9B=9E=E5=80=BC=E5=88=A4=E6=96=AD?=
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---
 server.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server.c b/server.c
index aeef088..0a30e39 100644
--- a/server.c
+++ b/server.c
@@ -133,7 +133,7 @@ int send_all(char* file_path, THREADTIMER *timer) {
             if(!re) perror("Sendfile");
         #else
             send(timer->accept_fd, &file_size, sizeof(uint32_t), 0);
-            re = !sendfile(timer->accept_fd, fileno(fp), &len, file_size);
+            re = sendfile(timer->accept_fd, fileno(fp), &len, file_size) >= 0;
             if(!re) perror("Sendfile");
         #endif
         printf("Send %lld bytes.\n", len);