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/*
* 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 "internal.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
static const char makedevs_usage[] =
"makedevs 0.01 -- Create an entire range of device files\n\n"
"\tmakedevs /dev/ttyS c 4 64 0 63 (ttyS0-ttyS63)\n"
"\tmakedevs /dev/hda b 3 0 0 8 s (hda,hda1-hda8)\n";
int
makedevs_main(int argc, char * * argv)
{
const char *basedev = argv[1];
const char *type = argv[2];
int major = atoi(argv[3]);
int Sminor = atoi(argv[4]);
int S = atoi(argv[5]);
int E = atoi(argv[6]);
int sbase = argc == 8 ? 1 : 0;
mode_t mode = 0;
dev_t dev = 0;
char devname[255];
char buf[255];
switch (type[0]) {
case 'c':
mode = S_IFCHR; break;
case 'b':
mode = S_IFBLK; break;
case 'f':
mode = S_IFIFO; break;
default:
usage( makedevs_usage);
}
mode |= 0660;
while ( S <= E ) {
if (type[0] != 'f')
dev = (major << 8) | Sminor;
strcpy(devname, basedev);
if (sbase == 0) {
sprintf(buf, "%d", S);
strcat(devname, buf);
} else {
sbase = 0;
}
if (mknod (devname, mode, dev))
printf("Failed to create: %s\n", devname);
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
}
*/
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