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97 lines
1.6 KiB
C
97 lines
1.6 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
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*
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* makedevs
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* Make ranges of device files quickly.
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* known bugs: can't deal with alpha ranges
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*/
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#include "internal.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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int makedevs_main(int argc, char **argv)
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{
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const char *basedev = argv[1];
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const char *type = argv[2];
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int major = atoi(argv[3]);
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int Sminor = atoi(argv[4]);
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int S = atoi(argv[5]);
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int E = atoi(argv[6]);
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int sbase = argc == 8 ? 1 : 0;
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mode_t mode = 0;
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dev_t dev = 0;
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char devname[255];
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char buf[255];
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if (argc < 7 || *argv[1]=='-')
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usage(makedevs_usage);
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switch (type[0]) {
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case 'c':
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mode = S_IFCHR;
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break;
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case 'b':
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mode = S_IFBLK;
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break;
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case 'f':
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mode = S_IFIFO;
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break;
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default:
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usage(makedevs_usage);
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}
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mode |= 0660;
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while (S <= E) {
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if (type[0] != 'f')
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dev = (major << 8) | Sminor;
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strcpy(devname, basedev);
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if (sbase == 0) {
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sprintf(buf, "%d", S);
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strcat(devname, buf);
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} else {
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sbase = 0;
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}
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if (mknod(devname, mode, dev))
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printf("Failed to create: %s\n", devname);
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S++;
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Sminor++;
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}
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return 0;
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}
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/*
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And this is what this program replaces. The shell is too slow!
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makedev () {
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local basedev=$1; local S=$2; local E=$3
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local major=$4; local Sminor=$5; local type=$6
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local sbase=$7
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if [ ! "$sbase" = "" ]; then
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mknod "$basedev" $type $major $Sminor
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S=`expr $S + 1`
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Sminor=`expr $Sminor + 1`
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fi
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while [ $S -le $E ]; do
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mknod "$basedev$S" $type $major $Sminor
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S=`expr $S + 1`
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Sminor=`expr $Sminor + 1`
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done
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}
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*/
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