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authorGuangxiong Lin <[email protected]>2022-12-01 23:20:33 +0800
committerGuangxiong Lin <[email protected]>2022-12-01 23:20:33 +0800
commita9501d10847d7993fad2e0778fe9c11317b4f7be (patch)
tree470302a8a27b460c7f1fc5411e9f8dac0707743f /util.c
parent122a69f715acfe73963a2347cbb335e41bce944c (diff)
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Simplify logic by structure
Diffstat (limited to 'util.c')
-rw-r--r--util.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/util.c b/util.c
new file mode 100644
index 0000000..a44cc66
--- /dev/null
+++ b/util.c
@@ -0,0 +1,22 @@
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+
+#include "util.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;
+}