aboutsummaryrefslogtreecommitdiff
path: root/coreutils/mknod.c
diff options
context:
space:
mode:
authorGravatar Eric Andersen <andersen@codepoet.org>1999-10-05 16:24:54 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>1999-10-05 16:24:54 +0000
commitcc8ed39b240180b58810784f844e253263594ac3 (patch)
tree15feebbb4be9a9168209609f48f0b100f9364420 /coreutils/mknod.c
downloadbusybox-cc8ed39b240180b58810784f844e253263594ac3.tar.gz
busybox-cc8ed39b240180b58810784f844e253263594ac3.tar.bz2
Initial revision0_29alpha2
Diffstat (limited to 'coreutils/mknod.c')
-rw-r--r--coreutils/mknod.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/coreutils/mknod.c b/coreutils/mknod.c
new file mode 100644
index 000000000..b18394bec
--- /dev/null
+++ b/coreutils/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;
+}