//<stats> -> <stat> <mStat>
node_t* stats_f() {
node_t *p = getNode("<stats>");
p->child1 = stat_f();
p->child2 = mStat_f();
return p;
}
//<mStat> -> empty | <stat> <mStat>
node_t* mStat_f() {
node_t *p = getNode("mStat");
if (tk.name == "}") { // empty
//don't need to put delimiters in tree
return p;
} else {
p->child1 = stat_f();
p->child2 = mStat_f();
return p;
}
}
int
main(int argc, char *argv[])
{
struct stat sb;
struct timeval tv[2];
int (*stat_f)(const char *, struct stat *);
int (*utimes_f)(const char *, const struct timeval *);
int Aflag, aflag, cflag, fflag, mflag, ch, fd, len, rval, timeset;
char *p;
char *myname;
myname = basename(argv[0]);
Aflag = aflag = cflag = fflag = mflag = timeset = 0;
stat_f = stat;
utimes_f = utimes;
if (gettimeofday(&tv[0], NULL))
err(1, "gettimeofday");
while ((ch = getopt(argc, argv, "A:acfhmr:t:")) != -1)
switch(ch) {
case 'A':
Aflag = timeoffset(optarg);
break;
case 'a':
aflag = 1;
break;
case 'c':
cflag = 1;
break;
case 'f':
fflag = 1;
break;
case 'h':
cflag = 1;
stat_f = lstat;
utimes_f = lutimes;
break;
case 'm':
mflag = 1;
break;
case 'r':
timeset = 1;
stime_file(optarg, tv);
break;
case 't':
timeset = 1;
stime_arg1(optarg, tv);
break;
case '?':
default:
usage(myname);
}
argc -= optind;
argv += optind;
if (aflag == 0 && mflag == 0)
aflag = mflag = 1;
if (timeset) {
if (Aflag) {
/*
* We're setting the time to an offset from a specified
* time. God knows why, but it means that we can set
* that time once and for all here.
*/
if (aflag)
tv[0].tv_sec += Aflag;
if (mflag)
tv[1].tv_sec += Aflag;
Aflag = 0; /* done our job */
}
} else {
/*
* If no -r or -t flag, at least two operands, the first of
* which is an 8 or 10 digit number, use the obsolete time
* specification, otherwise use the current time.
*/
if (argc > 1) {
strtol(argv[0], &p, 10);
len = p - argv[0];
if (*p == '\0' && (len == 8 || len == 10)) {
timeset = 1;
stime_arg2(*argv++, len == 10, tv);
}
}
/* Both times default to the same. */
tv[1] = tv[0];
}
if (*argv == NULL)
usage(myname);
if (Aflag)
cflag = 1;
for (rval = 0; *argv; ++argv) {
/* See if the file exists. */
if (stat_f(*argv, &sb) != 0) {
if (errno != ENOENT) {
rval = 1;
warn("%s", *argv);
continue;
}
if (!cflag) {
/* Create the file. */
fd = open(*argv,
O_WRONLY | O_CREAT, DEFFILEMODE);
if (fd == -1 || fstat(fd, &sb) || close(fd)) {
rval = 1;
warn("%s", *argv);
continue;
}
/* If using the current time, we're done. */
if (!timeset)
continue;
} else
continue;
}
if (!aflag)
TIMESPEC_TO_TIMEVAL(&tv[0], &sb.st_atimespec);
if (!mflag)
TIMESPEC_TO_TIMEVAL(&tv[1], &sb.st_mtimespec);
/*
* We're adjusting the times based on the file times, not a
* specified time (that gets handled above).
*/
if (Aflag) {
if (aflag) {
TIMESPEC_TO_TIMEVAL(&tv[0], &sb.st_atimespec);
tv[0].tv_sec += Aflag;
}
if (mflag) {
TIMESPEC_TO_TIMEVAL(&tv[1], &sb.st_mtimespec);
tv[1].tv_sec += Aflag;
}
}
/* Try utimes(2). */
if (!utimes_f(*argv, tv))
continue;
/* If the user specified a time, nothing else we can do. */
if (timeset || Aflag) {
rval = 1;
warn("%s", *argv);
continue;
}
/*
* System V and POSIX 1003.1 require that a NULL argument
* set the access/modification times to the current time.
* The permission checks are different, too, in that the
* ability to write the file is sufficient. Take a shot.
*/
if (!utimes_f(*argv, NULL))
continue;
/* Try reading/writing. */
if (!S_ISLNK(sb.st_mode) && !S_ISDIR(sb.st_mode)) {
if (rw(*argv, &sb, fflag))
rval = 1;
} else {
rval = 1;
warn("%s", *argv);
}
}
exit(rval);
}
static int
open_f(
int argc,
char **argv)
{
int c, fd, flags = 0;
char *sp;
mode_t mode = 0600;
xfs_fsop_geom_t geometry = { 0 };
if (argc == 1) {
if (file)
return stat_f(argc, argv);
fprintf(stderr, _("no files are open, try 'help open'\n"));
return 0;
}
while ((c = getopt(argc, argv, "FRTacdfm:nrstx")) != EOF) {
switch (c) {
case 'F':
/* Ignored / deprecated now, handled automatically */
break;
case 'a':
flags |= IO_APPEND;
break;
case 'c':
case 'f':
flags |= IO_CREAT;
break;
case 'd':
flags |= IO_DIRECT;
break;
case 'm':
mode = strtoul(optarg, &sp, 0);
if (!sp || sp == optarg) {
printf(_("non-numeric mode -- %s\n"), optarg);
return 0;
}
break;
case 'n':
flags |= IO_NONBLOCK;
break;
case 'r':
flags |= IO_READONLY;
break;
case 's':
flags |= IO_OSYNC;
break;
case 't':
flags |= IO_TRUNC;
break;
case 'R':
case 'x': /* backwards compatibility */
flags |= IO_REALTIME;
break;
case 'T':
flags |= IO_TMPFILE;
break;
default:
return command_usage(&open_cmd);
}
}
if (optind != argc - 1)
return command_usage(&open_cmd);
if ((flags & (IO_READONLY|IO_TMPFILE)) == (IO_READONLY|IO_TMPFILE)) {
fprintf(stderr, _("-T and -r options are incompatible\n"));
return -1;
}
fd = openfile(argv[optind], &geometry, flags, mode);
if (fd < 0)
return 0;
if (!platform_test_xfs_fd(fd))
flags |= IO_FOREIGN;
addfile(argv[optind], fd, &geometry, flags);
return 0;
}
