/* 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 "internal.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <fcntl.h> #include <unistd.h> #include <sys/types.h> 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]; if (argc < 7 || *argv[1]=='-') usage(makedevs_usage); 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 } */