From 61f87eee3d57f8686cbf5e6b139e1b6c41f1141b Mon Sep 17 00:00:00 2001
From: verdant <im@verdant.ee>
Date: Tue, 9 Jun 2026 16:31:17 +0800
Subject: Use sendfile() instead foreach to send single char

---
 server.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/server.c b/server.c
index 07503e1..296c35f 100644
--- a/server.c
+++ b/server.c
@@ -7,6 +7,8 @@
 #include <string.h>
 #include <sys/socket.h>
 #include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/sendfile.h>
 #include <unistd.h>
 
 int main(int argc, char **argv)
@@ -70,10 +72,15 @@ int main(int argc, char **argv)
 			     strlen(http_content_type), 0);
 
 			FILE *index_fd = fopen("./index.html", "r");
-			char c;
-			while ((c = getc(index_fd)) != EOF) {
-				send(new_fd, &c, 1, 0);
+
+			struct stat stat_buf;
+			int stat_result = fstat(fileno(index_fd), &stat_buf);
+			if (stat_result != 0) {
+				perror("fstat");
 			}
+
+			sendfile(new_fd, fileno(index_fd), NULL,
+				 stat_buf.st_size);
 		}
 
 		memset(buf, 0, 1024);
-- 
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