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#include "internal.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
const char mknod_usage[] = "mknod file b|c|u|p major minor\n"
"\tMake special files.\n"
"\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";
int
mknod_main(struct FileInfo * i, int argc, char * * argv)
{
mode_t mode = 0;
dev_t dev = 0;
switch(argv[2][0]) {
case 'c':
case 'u':
mode = S_IFCHR;
break;
case 'b':
mode = S_IFBLK;
break;
case 'p':
mode = S_IFIFO;
break;
default:
usage(mknod_usage);
return 1;
}
if ( mode == S_IFCHR || mode == S_IFBLK ) {
dev = (atoi(argv[3]) << 8) | atoi(argv[4]);
if ( argc != 5 ) {
usage(mknod_usage);
return 1;
}
}
mode |= 0666;
if ( mknod(argv[1], mode, dev) != 0 ) {
name_and_error(argv[1]);
return 1;
}
return 0;
}
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