int date_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
struct tm tm_time;
time_t tm;
unsigned opt;
int ifmt = -1;
char *date_str;
char *fmt_dt2str;
char *fmt_str2dt;
char *filename;
char *isofmt_arg = NULL;
opt_complementary = "d--s:s--d"
USE_FEATURE_DATE_ISOFMT(":R--I:I--R");
opt = getopt32(argv, "Rs:ud:r:"
USE_FEATURE_DATE_ISOFMT("I::D:"),
&date_str, &date_str, &filename
USE_FEATURE_DATE_ISOFMT(, &isofmt_arg, &fmt_str2dt));
argv += optind;
maybe_set_utc(opt);
if (ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_TIMESPEC)) {
ifmt = 0; /* default is date */
if (isofmt_arg) {
static const char isoformats[] ALIGN1 =
"date\0""hours\0""minutes\0""seconds\0";
ifmt = index_in_strings(isoformats, isofmt_arg);
if (ifmt < 0)
bb_show_usage();
}
}
int date_main(int argc, char **argv)
{
char *date_str = NULL;
char *date_fmt = NULL;
int set_time;
int utc;
time_t tm;
unsigned long opt;
struct tm tm_time;
char *filename = NULL;
int ifmt = 0;
char *isofmt_arg;
char *hintfmt_arg;
bb_opt_complementally = "?:d--s:s--d";
opt = bb_getopt_ulflags(argc, argv, "Rs:ud:r:"
USE_FEATURE_DATE_ISOFMT("I::D:"),
&date_str, &date_str, &filename
USE_FEATURE_DATE_ISOFMT(, &isofmt_arg, &hintfmt_arg));
set_time = opt & DATE_OPT_SET;
utc = opt & DATE_OPT_UTC;
if (utc && putenv("TZ=UTC0") != 0) {
bb_error_msg_and_die(bb_msg_memory_exhausted);
}
if(ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_TIMESPEC)) {
if (!isofmt_arg) {
ifmt = 1;
} else {
char *isoformats[]={"date","hours","minutes","seconds"};
for(ifmt = 4; ifmt;)
if(!strcmp(isofmt_arg,isoformats[--ifmt]))
break;
}
if (!ifmt) {
bb_show_usage();
}
}
/* XXX, date_fmt == NULL from this always */
if ((date_fmt == NULL) && (optind < argc) && (argv[optind][0] == '+')) {
date_fmt = &argv[optind][1]; /* Skip over the '+' */
} else if (date_str == NULL) {
set_time = 1;
date_str = argv[optind];
}
/* Now we have parsed all the information except the date format
which depends on whether the clock is being set or read */
if(filename) {
struct stat statbuf;
xstat(filename,&statbuf);
tm=statbuf.st_mtime;
} else time(&tm);
memcpy(&tm_time, localtime(&tm), sizeof(tm_time));
/* Zero out fields - take her back to midnight! */
if (date_str != NULL) {
tm_time.tm_sec = 0;
tm_time.tm_min = 0;
tm_time.tm_hour = 0;
/* Process any date input to UNIX time since 1 Jan 1970 */
if (ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_HINT)) {
strptime(date_str, hintfmt_arg, &tm_time);
} else if (strchr(date_str, ':') != NULL) {
date_conv_ftime(&tm_time, date_str);
} else {
date_conv_time(&tm_time, date_str);
}
/* Correct any day of week and day of year etc. fields */
tm_time.tm_isdst = -1; /* Be sure to recheck dst. */
tm = mktime(&tm_time);
if (tm < 0) {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
if (utc && putenv("TZ=UTC0") != 0) {
bb_error_msg_and_die(bb_msg_memory_exhausted);
}
/* if setting time, set it */
if (set_time && stime(&tm) < 0) {
bb_perror_msg("cannot set date");
}
}
/* Display output */
/* Deal with format string */
if (date_fmt == NULL) {
/* Start with the default case */
date_fmt = (opt & DATE_OPT_RFC2822 ?
(utc ? "%a, %d %b %Y %H:%M:%S GMT" :
"%a, %d %b %Y %H:%M:%S %z") :
"%a %b %e %H:%M:%S %Z %Y");
if (ENABLE_FEATURE_DATE_ISOFMT) {
if (ifmt == 4)
date_fmt = utc ? "%Y-%m-%dT%H:%M:%SZ" : "%Y-%m-%dT%H:%M:%S%z";
else if (ifmt == 3)
date_fmt = utc ? "%Y-%m-%dT%H:%MZ" : "%Y-%m-%dT%H:%M%z";
else if (ifmt == 2)
date_fmt = utc ? "%Y-%m-%dT%HZ" : "%Y-%m-%dT%H%z";
else if (ifmt == 1)
date_fmt = "%Y-%m-%d";
}
}
if (*date_fmt == '\0') {
/* With no format string, just print a blank line */
*bb_common_bufsiz1=0;
} else {
/* Handle special conversions */
if (strncmp(date_fmt, "%f", 2) == 0) {
date_fmt = "%Y.%m.%d-%H:%M:%S";
}
/* Generate output string */
strftime(bb_common_bufsiz1, 200, date_fmt, &tm_time);
}
puts(bb_common_bufsiz1);
return EXIT_SUCCESS;
}
int date_main(int argc, char **argv)
{
time_t tm;
struct tm tm_time;
unsigned opt;
int ifmt = -1;
char *date_str = NULL;
char *date_fmt = NULL;
char *filename = NULL;
char *isofmt_arg;
char *hintfmt_arg;
opt_complementary = "d--s:s--d"
USE_FEATURE_DATE_ISOFMT(":R--I:I--R");
opt = getopt32(argv, "Rs:ud:r:"
USE_FEATURE_DATE_ISOFMT("I::D:"),
&date_str, &date_str, &filename
USE_FEATURE_DATE_ISOFMT(, &isofmt_arg, &hintfmt_arg));
maybe_set_utc(opt);
if (ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_TIMESPEC)) {
if (!isofmt_arg) {
ifmt = 0; /* default is date */
} else {
static const char *const isoformats[] = {
"date", "hours", "minutes", "seconds"
};
for (ifmt = 0; ifmt < 4; ifmt++)
if (!strcmp(isofmt_arg, isoformats[ifmt]))
goto found;
/* parse error */
bb_show_usage();
found: ;
}
}
/* XXX, date_fmt == NULL from this always */
if ((date_fmt == NULL) && (optind < argc) && (argv[optind][0] == '+')) {
date_fmt = &argv[optind][1]; /* Skip over the '+' */
} else if (date_str == NULL) {
opt |= DATE_OPT_SET;
date_str = argv[optind];
}
/* Now we have parsed all the information except the date format
which depends on whether the clock is being set or read */
if (filename) {
struct stat statbuf;
xstat(filename, &statbuf);
tm = statbuf.st_mtime;
} else
time(&tm);
memcpy(&tm_time, localtime(&tm), sizeof(tm_time));
/* Zero out fields - take her back to midnight! */
if (date_str != NULL) {
tm_time.tm_sec = 0;
tm_time.tm_min = 0;
tm_time.tm_hour = 0;
/* Process any date input to UNIX time since 1 Jan 1970 */
if (ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_HINT)) {
strptime(date_str, hintfmt_arg, &tm_time);
} else if (strchr(date_str, ':') != NULL) {
/* Parse input and assign appropriately to tm_time */
if (sscanf(date_str, "%d:%d:%d", &tm_time.tm_hour, &tm_time.tm_min,
&tm_time.tm_sec) == 3) {
/* no adjustments needed */
} else if (sscanf(date_str, "%d:%d", &tm_time.tm_hour,
&tm_time.tm_min) == 2) {
/* no adjustments needed */
} else if (sscanf(date_str, "%d.%d-%d:%d:%d", &tm_time.tm_mon,
&tm_time.tm_mday, &tm_time.tm_hour,
&tm_time.tm_min, &tm_time.tm_sec) == 5) {
/* Adjust dates from 1-12 to 0-11 */
tm_time.tm_mon -= 1;
} else if (sscanf(date_str, "%d.%d-%d:%d", &tm_time.tm_mon,
&tm_time.tm_mday,
&tm_time.tm_hour, &tm_time.tm_min) == 4) {
/* Adjust dates from 1-12 to 0-11 */
tm_time.tm_mon -= 1;
} else if (sscanf(date_str, "%d.%d.%d-%d:%d:%d", &tm_time.tm_year,
&tm_time.tm_mon, &tm_time.tm_mday,
&tm_time.tm_hour, &tm_time.tm_min,
&tm_time.tm_sec) == 6) {
tm_time.tm_year -= 1900; /* Adjust years */
tm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
} else if (sscanf(date_str, "%d.%d.%d-%d:%d", &tm_time.tm_year,
&tm_time.tm_mon, &tm_time.tm_mday,
&tm_time.tm_hour, &tm_time.tm_min) == 5) {
tm_time.tm_year -= 1900; /* Adjust years */
tm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
} else {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
} else {
int nr;
char *cp;
nr = sscanf(date_str, "%2d%2d%2d%2d%d", &tm_time.tm_mon,
&tm_time.tm_mday, &tm_time.tm_hour, &tm_time.tm_min,
&tm_time.tm_year);
if (nr < 4 || nr > 5) {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
cp = strchr(date_str, '.');
if (cp) {
nr = sscanf(cp + 1, "%2d", &tm_time.tm_sec);
if (nr != 1) {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
}
/* correct for century - minor Y2K problem here? */
if (tm_time.tm_year >= 1900) {
tm_time.tm_year -= 1900;
}
/* adjust date */
tm_time.tm_mon -= 1;
}
/* Correct any day of week and day of year etc. fields */
tm_time.tm_isdst = -1; /* Be sure to recheck dst. */
tm = mktime(&tm_time);
if (tm < 0) {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
maybe_set_utc(opt);
/* if setting time, set it */
if ((opt & DATE_OPT_SET) && stime(&tm) < 0) {
bb_perror_msg("cannot set date");
}
}
/* Display output */
/* Deal with format string */
if (date_fmt == NULL) {
int i;
date_fmt = xzalloc(32);
if (ENABLE_FEATURE_DATE_ISOFMT && ifmt >= 0) {
strcpy(date_fmt, "%Y-%m-%d");
if (ifmt > 0) {
i = 8;
date_fmt[i++] = 'T';
date_fmt[i++] = '%';
date_fmt[i++] = 'H';
if (ifmt > 1) {
date_fmt[i++] = ':';
date_fmt[i++] = '%';
date_fmt[i++] = 'M';
}
if (ifmt > 2) {
date_fmt[i++] = ':';
date_fmt[i++] = '%';
date_fmt[i++] = 'S';
}
format_utc:
date_fmt[i++] = '%';
date_fmt[i] = (opt & DATE_OPT_UTC) ? 'Z' : 'z';
}
} else if (opt & DATE_OPT_RFC2822) {
/* Undo busybox.c for date -R */
if (ENABLE_LOCALE_SUPPORT)
setlocale(LC_TIME, "C");
strcpy(date_fmt, "%a, %d %b %Y %H:%M:%S ");
i = 22;
goto format_utc;
} else /* default case */
date_fmt = (char*)"%a %b %e %H:%M:%S %Z %Y";
}
#define date_buf bb_common_bufsiz1
if (*date_fmt == '\0') {
/* With no format string, just print a blank line */
date_buf[0] = '\0';
} else {
/* Handle special conversions */
if (strncmp(date_fmt, "%f", 2) == 0) {
date_fmt = (char*)"%Y.%m.%d-%H:%M:%S";
}
/* Generate output string */
strftime(date_buf, sizeof(date_buf), date_fmt, &tm_time);
}
puts(date_buf);
return EXIT_SUCCESS;
}
