llgo/c/fcntl:demo

c/fcntl/fcntl.go

@@ -0,0 +1,42 @@
+package fcntl
+
+import (
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+// #include <fdntl.h>
+
+const (
+	LLGoPackage = "decl"
+)
+
+const (
+	/* get file status flags */
+	F_GETFL = 3
+	/* set file status flags */
+	F_SETFL = 4
+
+	/* open for reading only */
+	O_RDONLY = 0x0000
+	/* open for writing only */
+	O_WRONLY = 0x0001
+	/* open for reading and writing */
+	O_RDWR = 0x0002
+	/* mask for above modes */
+	O_ACCMODE = 0x0003
+
+	/* no delay */
+	O_NONBLOCK = 0x00000004
+	/* create if nonexistant */
+	O_CREAT = 0x00000200
+	/* truncate to zero length */
+	O_TRUNC = 0x00000400
+)
+
+//go:linkname FcNtl C.fcntl
+func FcNtl(a c.Int, b c.Int, vars ...any) c.Int
+
+//go:linkname Open C.open
+func Open(path *c.Char, op c.Int, vars ...any) c.Int