#include <fcntl.h>
#include <unistd.h>
-static const char mknod_usage[] = "mknod file b|c|u|p major minor\n"
-"\tMake special files.\n"
-"\n"
+static const char mknod_usage[] = "mknod NAME TYPE MAJOR MINOR\n\n"
+"Make 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";
mode_t mode = 0;
dev_t dev = 0;
+ if ( argc != 5 || **(argv+1) == '-' ) {
+ usage (mknod_usage);
+ }
switch(argv[2][0]) {
case 'c':
case 'u':