mirror of
https://github.com/sheumann/hush.git
synced 2024-08-20 04:28:57 +00:00
93 lines
1.8 KiB
C
93 lines
1.8 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
|
|
*
|
|
* makedevs
|
|
* Make ranges of device files quickly.
|
|
* known bugs: can't deal with alpha ranges
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include "busybox.h"
|
|
|
|
int makedevs_main(int argc, char **argv)
|
|
{
|
|
mode_t mode;
|
|
char *basedev, *type, *nodname, buf[255];
|
|
int major, Sminor, S, E;
|
|
|
|
if (argc < 7 || *argv[1]=='-')
|
|
bb_show_usage();
|
|
|
|
basedev = argv[1];
|
|
type = argv[2];
|
|
major = atoi(argv[3]) << 8; /* correcting param to mknod() */
|
|
Sminor = atoi(argv[4]);
|
|
S = atoi(argv[5]);
|
|
E = atoi(argv[6]);
|
|
nodname = argc == 8 ? basedev : buf;
|
|
|
|
mode = 0660;
|
|
|
|
switch (type[0]) {
|
|
case 'c':
|
|
mode |= S_IFCHR;
|
|
break;
|
|
case 'b':
|
|
mode |= S_IFBLK;
|
|
break;
|
|
case 'f':
|
|
mode |= S_IFIFO;
|
|
break;
|
|
default:
|
|
bb_show_usage();
|
|
}
|
|
|
|
while (S <= E) {
|
|
int sz;
|
|
|
|
sz = snprintf(buf, sizeof(buf), "%s%d", basedev, S);
|
|
if(sz<0 || sz>=sizeof(buf)) /* libc different */
|
|
bb_error_msg_and_die("%s too large", basedev);
|
|
|
|
/* if mode != S_IFCHR and != S_IFBLK third param in mknod() ignored */
|
|
|
|
if (mknod(nodname, mode, major | Sminor))
|
|
bb_error_msg("Failed to create: %s", nodname);
|
|
|
|
if (nodname == basedev) /* ex. /dev/hda - to /dev/hda1 ... */
|
|
nodname = buf;
|
|
S++;
|
|
Sminor++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
And this is what this program replaces. The shell is too slow!
|
|
|
|
makedev () {
|
|
local basedev=$1; local S=$2; local E=$3
|
|
local major=$4; local Sminor=$5; local type=$6
|
|
local sbase=$7
|
|
|
|
if [ ! "$sbase" = "" ]; then
|
|
mknod "$basedev" $type $major $Sminor
|
|
S=`expr $S + 1`
|
|
Sminor=`expr $Sminor + 1`
|
|
fi
|
|
|
|
while [ $S -le $E ]; do
|
|
mknod "$basedev$S" $type $major $Sminor
|
|
S=`expr $S + 1`
|
|
Sminor=`expr $Sminor + 1`
|
|
done
|
|
}
|
|
*/
|