From 7369505397cdfddf0883e2c24e1652df8bd488fe Mon Sep 17 00:00:00 2001
From: Guangxiong Lin <hi@gxlin.org>
Date: Fri, 16 Dec 2022 13:53:35 +0800
Subject: Refactor file structure

---
 src/util.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/util.c

(limited to 'src/util.c')

diff --git a/src/util.c b/src/util.c
new file mode 100644
index 0000000..b4053fd
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,23 @@
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+
+#include "util.h"
+#include "constant.h"
+
+void panic(const char *msg)
+{
+    perror(msg);
+    exit(EXIT_FAILURE);
+}
+
+int setblocking(int fd, bool blocking)
+{
+    u_long mode = blocking ? 0 : 1;
+    if (ioctl(fd, FIONBIO, &mode) == -1)
+        return ERROR;
+
+    return OK;
+}
-- 
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