/*
* Main.
*/
int
main(int argc, char **argv)
{
uint32_t size, blocksize;
char *volname, *s;
#ifdef HOST
hostcompat_init(argc, argv);
#endif
if (argc!=3) {
errx(1, "Usage: mksfs device/diskfile volume-name");
}
check();
volname = argv[2];
/* Remove one trailing colon from volname, if present */
s = strchr(volname, ':');
if (s != NULL) {
if (strlen(s)!=1) {
errx(1, "Illegal volume name %s", volname);
}
*s = 0;
}
/* Don't allow slashes */
s = strchr(volname, '/');
if (s != NULL) {
errx(1, "Illegal volume name %s", volname);
}
opendisk(argv[1]);
blocksize = diskblocksize();
if (blocksize!=SFS_BLOCKSIZE) {
errx(1, "Device has wrong blocksize %u (should be %u)\n",
blocksize, SFS_BLOCKSIZE);
}
size = diskblocks();
/* Write out the on-disk structures */
initfreemap(size);
writesuper(volname, size);
writefreemap(size);
writerootdir();
closedisk();
return 0;
}
int
main(int argc, char *argv[])
{
#ifdef HOST
hostcompat_init(argc, argv);
#endif
(void)argc;
(void)argv;
char line[MAX_LINE_LENGTH];
int result;
pid_t child_pid;
int status;
char *tokens[MAX_ARGS+1];
while (1) {
printf("os161-sh$ ");
result = get_line(line);
if (strcmp(line, "exit") == 0) break;
if (strlen(line) == 0) continue;
tokens[0] = (char *)line;
int count = 0;
char *ptr;
for (ptr = line; *ptr != (char)NULL; ptr++) {
if (*ptr == ' ') {
*ptr = (char)NULL;
tokens[++count] = ptr + 1;
}
}
tokens[count+1] = NULL;
child_pid = fork();
if (child_pid == 0) {
execv(line, tokens);
printf("%s: execv failed\n", tokens[0]);
exit(1);
} else {
waitpid(child_pid, &status, 0);
}
}
exit(0);
}
int
main(int argc, char **argv)
{
#ifdef HOST
hostcompat_init(argc, argv);
#endif
if (argc!=2) {
errx(EXIT_USAGE, "Usage: sfsck device/diskfile");
}
assert(sizeof(struct sfs_super)==SFS_BLOCKSIZE);
assert(sizeof(struct sfs_inode)==SFS_BLOCKSIZE);
assert(SFS_BLOCKSIZE % sizeof(struct sfs_dir) == 0);
opendisk(argv[1]);
check_sb();
check_root_dir();
check_bitmap();
adjust_filelinks();
closedisk();
warnx("%lu blocks used (of %lu); %lu directories; %lu files",
count_blocks, (unsigned long) nblocks, count_dirs, count_files);
switch (badness) {
case EXIT_USAGE:
case EXIT_FATAL:
default:
/* not supposed to happen here */
assert(0);
break;
case EXIT_UNRECOV:
warnx("WARNING - unrecoverable errors. Maybe try again?");
break;
case EXIT_RECOV:
warnx("Caution - filesystem modified. Run again for luck.");
break;
case EXIT_CLEAN:
break;
}
return badness;
}
int
main(int argc, char *argv[])
{
int fd;
char readbuf[1];
int j = 0;
char *fname;
#ifdef HOST
hostcompat_init(argc, argv);
#endif
/* set default */
fname = default_filename;
if (argc == 2) {
/* override default from command line */
fname = argv[1];
}
else if (argc != 1) {
errx(1, "Usage: hash [filename]");
}
fd = open(fname, O_RDONLY, 0664);
if (fd<0) {
err(1, "%s", fname);
}
for (;;) {
if (read(fd, readbuf, 1) <= 0) break;
j = ((j*8) + (int) readbuf[0]) % HASHP;
}
close(fd);
return 0;
}
/*
* main
* if there are no arguments, run interactively, otherwise, run a program
* from within the shell, but immediately exit.
*/
int
main(int argc, char *argv[])
{
#ifdef HOST
hostcompat_init(argc, argv);
#endif
check_timing();
/*
* Allow argc to be 0 in case we're running on a broken kernel,
* or one that doesn't set argv when starting the first shell.
*/
if (argc == 0 || argc == 1) {
interactive();
}
else if (argc == 3 && !strcmp(argv[1], "-c")) {
return docommand(argv[2]);
}
else {
errx(1, "Usage: sh [-c command]");
}
return 0;
}
