+/* vi: set sw=4 ts=4: */
/*
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
*
* Make ranges of device files quickly.
* known bugs: can't deal with alpha ranges
*/
-
+
#include "internal.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
-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";
+static const char makedevs_usage[] =
+ "makedevs NAME TYPE MAJOR MINOR FIRST LAST [s]\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+ "\nCreates a range of block or character special files\n\n"
+ "TYPEs include:\n"
+ "\tb:\tMake a block (buffered) device.\n"
+ "\tc or u:\tMake a character (un-buffered) device.\n"
+ "\tp:\tMake a named pipe. MAJOR and MINOR are ignored for named pipes.\n\n"
+ "FIRST specifies the number appended to NAME to create the first device.\n"
+ "LAST specifies the number of the last item that should be created.\n"
+ "If 's' is the last argument, the base device is created as well.\n\n"
+ "For example:\n"
+ "\tmakedevs /dev/ttyS c 4 66 2 63 -> ttyS2-ttyS63\n"
+ "\tmakedevs /dev/hda b 3 0 0 8 s -> hda,hda1-hda8\n"
+#endif
+ ;
-int
-makedevs_main(struct FileInfo * i, int argc, char * * argv)
+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;
+ 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];
-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);
- return 2;
- }
- mode |= 0660;
-
- while ( S <= E ) {
-
+ 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);
+ sprintf(buf, "%d", S);
strcat(devname, buf);
} else {
sbase = 0;
}
-
- if (mknod (devname, mode, dev))
- printf("Failed to create: %s\n", devname);
-
- S++; Sminor++;
+
+ if (mknod(devname, mode, dev))
+ printf("Failed to create: %s\n", devname);
+
+ S++;
+ Sminor++;
}
-return 0;
+ return 0;
}
/*