Initial revision0_29alpha2

1 files changed, 52 insertions, 0 deletions

diff --git a/mknod.c b/mknod.c
new file mode 100644
index 0000000..b18394b
--- /dev/null
+++ b/mknod.c
@@ -0,0 +1,52 @@
+#include "internal.h"
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+const char mknod_usage[] = "mknod file b|c|u|p major minor\n"
+"\tMake special files.\n"
+"\n"
+"\tb:\tMake a block (buffered) device.\n"
+"\tc or u:\tMake a character (un-buffered) device.\n"
+"\tp:\tMake a named pipe. Major and minor are ignored for named pipes.\n";
+
+int
+mknod_main(struct FileInfo * i, int argc, char * * argv)
+{
+	mode_t	mode = 0;
+	dev_t	dev = 0;
+
+	switch(argv[2][0]) {
+	case 'c':
+	case 'u':
+		mode = S_IFCHR;
+		break;
+	case 'b':
+		mode = S_IFBLK;
+		break;
+	case 'p':
+		mode = S_IFIFO;
+		break;
+	default:
+		usage(mknod_usage);
+		return 1;
+	}
+
+	if ( mode == S_IFCHR || mode == S_IFBLK ) {
+		dev = (atoi(argv[3]) << 8) | atoi(argv[4]);
+		if ( argc != 5 ) {
+			usage(mknod_usage);
+			return 1;
+		}
+	}
+
+	mode |= 0666;
+
+	if ( mknod(argv[1], mode, dev) != 0 ) {
+		name_and_error(argv[1]);
+		return 1;
+	}
+	return 0;
+}