diff options
Diffstat (limited to 'util/sbase/mknod.c')
-rw-r--r-- | util/sbase/mknod.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/util/sbase/mknod.c b/util/sbase/mknod.c new file mode 100644 index 00000000..a519ecb2 --- /dev/null +++ b/util/sbase/mknod.c @@ -0,0 +1,72 @@ +/* See LICENSE file for copyright and license details. */ +#include <sys/stat.h> +#include <sys/types.h> +#ifndef makedev +#include <sys/sysmacros.h> +#endif + +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "util.h" + +static void +usage(void) +{ + eprintf("usage: %s [-m mode] name b|c|u major minor\n" + " %s [-m mode] name p\n", + argv0, argv0); +} + +int +main(int argc, char *argv[]) +{ + mode_t mode = 0666; + dev_t dev; + + ARGBEGIN { + case 'm': + mode = parsemode(EARGF(usage()), mode, umask(0)); + break; + default: + usage(); + } ARGEND; + + if (argc < 2) + usage(); + + if (strlen(argv[1]) != 1) + goto invalid; + switch (argv[1][0]) { + case 'b': + mode |= S_IFBLK; + break; + case 'u': + case 'c': + mode |= S_IFCHR; + break; + case 'p': + mode |= S_IFIFO; + break; + default: + invalid: + eprintf("invalid type '%s'\n", argv[1]); + } + + if (S_ISFIFO(mode)) { + if (argc != 2) + usage(); + dev = 0; + } else { + if (argc != 4) + usage(); + dev = makedev(estrtonum(argv[2], 0, LLONG_MAX), estrtonum(argv[3], 0, LLONG_MAX)); + } + + if (mknod(argv[0], mode, dev) == -1) + eprintf("mknod %s:", argv[0]); + return 0; +} |