Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add mknod <name> p which creates a named pipe. There is no real reason for 

a separate mkfifo program and there is prior art.
This commit is contained in:
christos 1998-11-24 22:56:26 +00:00
parent f95d18485e
commit f53f6fbf73
1 changed files with 47 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
sbin/mknod/mknod.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: mknod.c,v 1.17 1998/10/13 16:41:20 tron Exp $ */
/* $NetBSD: mknod.c,v 1.18 1998/11/24 22:56:26 christos Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -39,7 +39,7 @@
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.\n");
__RCSID("$NetBSD: mknod.c,v 1.17 1998/10/13 16:41:20 tron Exp $");
__RCSID("$NetBSD: mknod.c,v 1.18 1998/11/24 22:56:26 christos Exp $");
#endif /* not lint */
#include <sys/types.h>
@ -318,13 +318,14 @@ main(argc, argv)
{
char *name;
mode_t mode;
dev_t dev;
dev_t dev = 0;
pack_t *pack;
u_long numbers[8];
struct format *format;
struct format *format = NULL;
char *p;
int n;
int ch;
int fifo = 0;
pack = pack_native;
@ -347,7 +348,7 @@ main(argc, argv)
argc -= optind;
argv += optind;
if (argc < 3 || argc > 10)
if (argc < 2 || argc > 10)
usage();
name = *argv;
@ -355,42 +356,71 @@ main(argc, argv)
argv++;
mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
if (*argv[0] == 'c')
switch (*argv[0]) {
case 'c':
mode |= S_IFCHR;
else if (*argv[0] == 'b')
break;
case 'b':
mode |= S_IFBLK;
else
errx(1, "node type must be 'b' or 'c'.");
break;
case 'p':
if (format)
errx(1, "format is meaningless for fifos");
fifo = 1;
break;
default:
errx(1, "node type must be 'b', 'c' or 'p'.");
}
argc--;
argv++;
if (!fifo == (argc == 0))
usage();
for (n = 0; n < argc; n++) {
numbers[n] = strtoul(argv[n], &p, 0);
if ((p && *p != '\0') || (numbers[n] == ULONG_MAX && errno == ERANGE))
errx(1, "invalid number: %s", argv[n]);
}
if (argc == 1)
switch (argc) {
case 0:
dev = 0;
break;
case 1:
dev = numbers[0];
else
break;
default:
dev = (*pack)(argc, numbers);
break;
}
#if 0
printf("name: %s\nmode: %05o\ndev: %08x\n", name, mode, dev);
#else
if (mknod(name, mode, dev) < 0)
if ((fifo ? mkfifo(name, mode) : mknod(name, mode, dev)) < 0)
err(1, "%s", name);
#endif
exit(0);
return(0);
}
void
static void
usage()
{
extern char *__progname;
fprintf(stderr, "usage: mknod [-F format] name [b | c] major minor\n");
fprintf(stderr, " mknod [-F format] name [b | c] major unit subunit\n");
fprintf(stderr, " mknod name [b | c] number\n");
(void)fprintf(stderr,
"Usage: %s [-F format] name [b | c] major minor\n", __progname);
(void)fprintf(stderr,
" %s [-F format] name [b | c] major unit subunit\n",
__progname);
(void)fprintf(stderr, " %s name [b | c] number\n", __progname);
(void)fprintf(stderr, " %s name p\n", __progname);
exit(1);
}