*
* Copyright (C) 2007 Denys Vlasenko
*
- * Licensed under GPL version 2, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
#include "libbb.h"
if (last_colon != NULL) {
/* Parse input and assign appropriately to ptm */
+#if ENABLE_DESKTOP
+ const char *endp;
+#endif
/* HH:MM */
if (sscanf(date_str, "%u:%u%c",
&end) >= 5) {
ptm->tm_year -= 1900; /* Adjust years */
ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */
+ } else
+#if ENABLE_DESKTOP /* strptime is BIG: ~1k in uclibc, ~10k in glibc */
+ /* month_name d HH:MM:SS YYYY. Supported by GNU date */
+ if ((endp = strptime(date_str, "%b %d %T %Y", ptm)) != NULL
+ && *endp == '\0'
+ ) {
+ return; /* don't fall through to end == ":" check */
+ } else
+#endif
//TODO: coreutils 6.9 also accepts "yyyy-mm-dd HH" (no minutes)
- } else {
+ {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
if (end == ':') {
end = '\0';
/* else end != NUL and we error out */
}
+ } else if (date_str[0] == '@') {
+ time_t t = bb_strtol(date_str + 1, NULL, 10);
+ if (!errno) {
+ struct tm *lt = localtime(&t);
+ if (lt) {
+ *ptm = *lt;
+ return;
+ }
+ }
+ end = '1';
} else {
/* Googled the following on an old date manpage:
*
* .SS Seconds, a number from 0 to 61 (with leap seconds)
* Everything but the minutes is optional
*
- * This coincides with the format of "touch -t TIME"
+ * "touch -t DATETIME" format: [[[[[YY]YY]MM]DD]hh]mm[.ss]
+ * Some, but not all, Unix "date DATETIME" commands
+ * move [[YY]YY] past minutes mm field (!).
+ * Coreutils date does it, and SUS mandates it.
+ * (date -s DATETIME does not support this format. lovely!)
+ * In bbox, this format is special-cased in date applet
+ * (IOW: this function assumes "touch -t" format).
*/
+ unsigned cur_year = ptm->tm_year;
int len = strchrnul(date_str, '.') - date_str;
/* MM[.SS] */
&end) >= 5) {
/* Adjust month from 1-12 to 0-11 */
ptm->tm_mon -= 1;
+ if ((int)cur_year >= 50) { /* >= 1950 */
+ /* Adjust year: */
+ /* 1. Put it in the current century */
+ ptm->tm_year += (cur_year / 100) * 100;
+ /* 2. If too far in the past, +100 years */
+ if (ptm->tm_year < cur_year - 50)
+ ptm->tm_year += 100;
+ /* 3. If too far in the future, -100 years */
+ if (ptm->tm_year > cur_year + 50)
+ ptm->tm_year -= 100;
+ }
} else
/* ccyymmddHHMM[.SS] */
if (len == 12 && sscanf(date_str, "%4u%2u%2u%2u%2u%c",
return t;
}
+static char* strftime_fmt(char *buf, unsigned len, time_t *tp, const char *fmt)
+{
+ time_t t;
+ if (!tp) {
+ tp = &t;
+ time(tp);
+ }
+ /* Returns pointer to NUL */
+ return buf + strftime(buf, len, fmt, localtime(tp));
+}
+
+char* FAST_FUNC strftime_HHMMSS(char *buf, unsigned len, time_t *tp)
+{
+ return strftime_fmt(buf, len, tp, "%H:%M:%S");
+}
+
+char* FAST_FUNC strftime_YYYYMMDDHHMMSS(char *buf, unsigned len, time_t *tp)
+{
+ return strftime_fmt(buf, len, tp, "%Y-%m-%d %H:%M:%S");
+}
+
#if ENABLE_MONOTONIC_SYSCALL
#include <sys/syscall.h>