1 /* vi: set sw=4 ts=4: */
3 * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
6 * Make ranges of device files quickly.
7 * known bugs: can't deal with alpha ranges
16 #include <sys/types.h>
19 static const char makedevs_usage[] =
20 "makedevs 0.01 -- Create an entire range of device files\n\n"
21 "\tmakedevs /dev/ttyS c 4 64 0 63 (ttyS0-ttyS63)\n"
23 "\tmakedevs /dev/hda b 3 0 0 8 s (hda,hda1-hda8)\n";
25 int makedevs_main(int argc, char **argv)
28 const char *basedev = argv[1];
29 const char *type = argv[2];
30 int major = atoi(argv[3]);
31 int Sminor = atoi(argv[4]);
32 int S = atoi(argv[5]);
33 int E = atoi(argv[6]);
34 int sbase = argc == 8 ? 1 : 0;
52 usage(makedevs_usage);
59 dev = (major << 8) | Sminor;
60 strcpy(devname, basedev);
63 sprintf(buf, "%d", S);
69 if (mknod(devname, mode, dev))
70 printf("Failed to create: %s\n", devname);
80 And this is what this program replaces. The shell is too slow!
83 local basedev=$1; local S=$2; local E=$3
84 local major=$4; local Sminor=$5; local type=$6
87 if [ ! "$sbase" = "" ]; then
88 mknod "$basedev" $type $major $Sminor
90 Sminor=`expr $Sminor + 1`
93 while [ $S -le $E ]; do
94 mknod "$basedev$S" $type $major $Sminor
96 Sminor=`expr $Sminor + 1`