| #include "internal.h" |
| #include <stdio.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(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); |
| } |
| |
| if ( mode == S_IFCHR || mode == S_IFBLK ) { |
| dev = (atoi(argv[3]) << 8) | atoi(argv[4]); |
| if ( argc != 5 ) { |
| usage (mknod_usage); |
| } |
| } |
| |
| mode |= 0666; |
| |
| if ( mknod(argv[1], mode, dev) != 0 ) { |
| perror(argv[1]); |
| return( FALSE); |
| } |
| return( TRUE); |
| } |