Move the source code of all xloop components to the common 'src' directory

1 files changed, 0 insertions, 611 deletions

diff --git a/utils/lib/timeutils.c b/utils/lib/timeutils.c
deleted file mode 100644
index 8b443cd..0000000
--- a/utils/lib/timeutils.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/***
-  First set of functions in this file are part of systemd, and were
-  copied to util-linux at August 2013.
-
-  Copyright 2010 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with util-linux; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <assert.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <sys/time.h>
-
-#include "c.h"
-#include "nls.h"
-#include "strutils.h"
-#include "timeutils.h"
-
-#define WHITESPACE " \t\n\r"
-
-#define streq(a,b) (strcmp((a),(b)) == 0)
-
-static int parse_sec(const char *t, usec_t *usec)
-{
-	static const struct {
-		const char *suffix;
-		usec_t usec;
-	} table[] = {
-		{ "seconds",	USEC_PER_SEC },
-		{ "second",	USEC_PER_SEC },
-		{ "sec",	USEC_PER_SEC },
-		{ "s",		USEC_PER_SEC },
-		{ "minutes",	USEC_PER_MINUTE },
-		{ "minute",	USEC_PER_MINUTE },
-		{ "min",	USEC_PER_MINUTE },
-		{ "months",	USEC_PER_MONTH },
-		{ "month",	USEC_PER_MONTH },
-		{ "msec",	USEC_PER_MSEC },
-		{ "ms",		USEC_PER_MSEC },
-		{ "m",		USEC_PER_MINUTE },
-		{ "hours",	USEC_PER_HOUR },
-		{ "hour",	USEC_PER_HOUR },
-		{ "hr",		USEC_PER_HOUR },
-		{ "h",		USEC_PER_HOUR },
-		{ "days",	USEC_PER_DAY },
-		{ "day",	USEC_PER_DAY },
-		{ "d",		USEC_PER_DAY },
-		{ "weeks",	USEC_PER_WEEK },
-		{ "week",	USEC_PER_WEEK },
-		{ "w",		USEC_PER_WEEK },
-		{ "years",	USEC_PER_YEAR },
-		{ "year",	USEC_PER_YEAR },
-		{ "y",		USEC_PER_YEAR },
-		{ "usec",	1ULL },
-		{ "us",		1ULL },
-		{ "",		USEC_PER_SEC },	/* default is sec */
-	};
-
-	const char *p;
-	usec_t r = 0;
-	int something = FALSE;
-
-	assert(t);
-	assert(usec);
-
-	p = t;
-	for (;;) {
-		long long l, z = 0;
-		char *e;
-		unsigned i, n = 0;
-
-		p += strspn(p, WHITESPACE);
-
-		if (*p == 0) {
-			if (!something)
-				return -EINVAL;
-
-			break;
-		}
-
-		errno = 0;
-		l = strtoll(p, &e, 10);
-
-		if (errno > 0)
-			return -errno;
-
-		if (l < 0)
-			return -ERANGE;
-
-		if (*e == '.') {
-			char *b = e + 1;
-
-			errno = 0;
-			z = strtoll(b, &e, 10);
-			if (errno > 0)
-				return -errno;
-
-			if (z < 0)
-				return -ERANGE;
-
-			if (e == b)
-				return -EINVAL;
-
-			n = e - b;
-
-		} else if (e == p)
-			return -EINVAL;
-
-		e += strspn(e, WHITESPACE);
-
-		for (i = 0; i < ARRAY_SIZE(table); i++)
-			if (startswith(e, table[i].suffix)) {
-				usec_t k = (usec_t) z * table[i].usec;
-
-				for (; n > 0; n--)
-					k /= 10;
-
-				r += (usec_t) l *table[i].usec + k;
-				p = e + strlen(table[i].suffix);
-
-				something = TRUE;
-				break;
-			}
-
-		if (i >= ARRAY_SIZE(table))
-			return -EINVAL;
-
-	}
-
-	*usec = r;
-
-	return 0;
-}
-
-int parse_timestamp(const char *t, usec_t *usec)
-{
-	static const struct {
-		const char *name;
-		const int nr;
-	} day_nr[] = {
-		{ "Sunday",	0 },
-		{ "Sun",	0 },
-		{ "Monday",	1 },
-		{ "Mon",	1 },
-		{ "Tuesday",	2 },
-		{ "Tue",	2 },
-		{ "Wednesday",	3 },
-		{ "Wed",	3 },
-		{ "Thursday",	4 },
-		{ "Thu",	4 },
-		{ "Friday",	5 },
-		{ "Fri",	5 },
-		{ "Saturday",	6 },
-		{ "Sat",	6 },
-	};
-
-	const char *k;
-	struct tm tm, copy;
-	time_t x;
-	usec_t plus = 0, minus = 0, ret;
-	int r, weekday = -1;
-	unsigned i;
-
-	/*
-	 * Allowed syntaxes:
-	 *
-	 *   2012-09-22 16:34:22
-	 *   2012-09-22T16:34:22
-	 *   2012-09-22 16:34	  (seconds will be set to 0)
-	 *   2012-09-22		  (time will be set to 00:00:00)
-	 *   16:34:22		  (date will be set to today)
-	 *   16:34		  (date will be set to today, seconds to 0)
-	 *   now
-	 *   yesterday		  (time is set to 00:00:00)
-	 *   today		  (time is set to 00:00:00)
-	 *   tomorrow		  (time is set to 00:00:00)
-	 *   +5min
-	 *   -5days
-	 *
-	 */
-
-	assert(t);
-	assert(usec);
-
-	x = time(NULL);
-	localtime_r(&x, &tm);
-	tm.tm_isdst = -1;
-
-	if (streq(t, "now"))
-		goto finish;
-
-	else if (streq(t, "today")) {
-		tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
-		goto finish;
-
-	} else if (streq(t, "yesterday")) {
-		tm.tm_mday--;
-		tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
-		goto finish;
-
-	} else if (streq(t, "tomorrow")) {
-		tm.tm_mday++;
-		tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
-		goto finish;
-
-	} else if (t[0] == '+') {
-
-		r = parse_sec(t + 1, &plus);
-		if (r < 0)
-			return r;
-
-		goto finish;
-	} else if (t[0] == '-') {
-
-		r = parse_sec(t + 1, &minus);
-		if (r < 0)
-			return r;
-
-		goto finish;
-
-	} else if (endswith(t, " ago")) {
-		char *z;
-
-		z = strndup(t, strlen(t) - 4);
-		if (!z)
-			return -ENOMEM;
-
-		r = parse_sec(z, &minus);
-		free(z);
-		if (r < 0)
-			return r;
-
-		goto finish;
-	}
-
-	for (i = 0; i < ARRAY_SIZE(day_nr); i++) {
-		size_t skip;
-
-		if (!startswith_no_case(t, day_nr[i].name))
-			continue;
-
-		skip = strlen(day_nr[i].name);
-		if (t[skip] != ' ')
-			continue;
-
-		weekday = day_nr[i].nr;
-		t += skip + 1;
-		break;
-	}
-
-	copy = tm;
-	k = strptime(t, "%y-%m-%d %H:%M:%S", &tm);
-	if (k && *k == 0)
-		goto finish;
-
-	tm = copy;
-	k = strptime(t, "%Y-%m-%d %H:%M:%S", &tm);
-	if (k && *k == 0)
-		goto finish;
-
-	tm = copy;
-	k = strptime(t, "%Y-%m-%dT%H:%M:%S", &tm);
-	if (k && *k == 0)
-		goto finish;
-
-	tm = copy;
-	k = strptime(t, "%y-%m-%d %H:%M", &tm);
-	if (k && *k == 0) {
-		tm.tm_sec = 0;
-		goto finish;
-	}
-
-	tm = copy;
-	k = strptime(t, "%Y-%m-%d %H:%M", &tm);
-	if (k && *k == 0) {
-		tm.tm_sec = 0;
-		goto finish;
-	}
-
-	tm = copy;
-	k = strptime(t, "%y-%m-%d", &tm);
-	if (k && *k == 0) {
-		tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
-		goto finish;
-	}
-
-	tm = copy;
-	k = strptime(t, "%Y-%m-%d", &tm);
-	if (k && *k == 0) {
-		tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
-		goto finish;
-	}
-
-	tm = copy;
-	k = strptime(t, "%H:%M:%S", &tm);
-	if (k && *k == 0)
-		goto finish;
-
-	tm = copy;
-	k = strptime(t, "%H:%M", &tm);
-	if (k && *k == 0) {
-		tm.tm_sec = 0;
-		goto finish;
-	}
-
-	tm = copy;
-	k = strptime(t, "%Y%m%d%H%M%S", &tm);
-	if (k && *k == 0) {
-		tm.tm_sec = 0;
-		goto finish;
-	}
-
-	return -EINVAL;
-
- finish:
-	x = mktime(&tm);
-	if (x == (time_t)-1)
-		return -EINVAL;
-
-	if (weekday >= 0 && tm.tm_wday != weekday)
-		return -EINVAL;
-
-	ret = (usec_t) x *USEC_PER_SEC;
-
-	ret += plus;
-	if (ret > minus)
-		ret -= minus;
-	else
-		ret = 0;
-
-	*usec = ret;
-
-	return 0;
-}
-
-/* Returns the difference in seconds between its argument and GMT. If if TP is
- * invalid or no DST information is available default to UTC, that is, zero.
- * tzset is called so, for example, 'TZ="UTC" hwclock' will work as expected.
- * Derived from glibc/time/strftime_l.c
- */
-int get_gmtoff(const struct tm *tp)
-{
-	if (tp->tm_isdst < 0)
-		return 0;
-
-#if HAVE_TM_GMTOFF
-	return tp->tm_gmtoff;
-#else
-	struct tm tm;
-	struct tm gtm;
-	struct tm ltm = *tp;
-	time_t lt;
-
-	tzset();
-	lt = mktime(&ltm);
-	/* Check if mktime returning -1 is an error or a valid time_t */
-	if (lt == (time_t) -1) {
-		if (! localtime_r(&lt, &tm)
-			|| ((ltm.tm_sec ^ tm.tm_sec)
-			    | (ltm.tm_min ^ tm.tm_min)
-			    | (ltm.tm_hour ^ tm.tm_hour)
-			    | (ltm.tm_mday ^ tm.tm_mday)
-			    | (ltm.tm_mon ^ tm.tm_mon)
-			    | (ltm.tm_year ^ tm.tm_year)))
-			return 0;
-	}
-
-	if (! gmtime_r(&lt, &gtm))
-		return 0;
-
-	/* Calculate the GMT offset, that is, the difference between the
-	 * TP argument (ltm) and GMT (gtm).
-	 *
-	 * Compute intervening leap days correctly even if year is negative.
-	 * Take care to avoid int overflow in leap day calculations, but it's OK
-	 * to assume that A and B are close to each other.
-	 */
-	int a4 = (ltm.tm_year >> 2) + (1900 >> 2) - ! (ltm.tm_year & 3);
-	int b4 = (gtm.tm_year >> 2) + (1900 >> 2) - ! (gtm.tm_year & 3);
-	int a100 = a4 / 25 - (a4 % 25 < 0);
-	int b100 = b4 / 25 - (b4 % 25 < 0);
-	int a400 = a100 >> 2;
-	int b400 = b100 >> 2;
-	int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400);
-
-	int years = ltm.tm_year - gtm.tm_year;
-	int days = (365 * years + intervening_leap_days
-		    + (ltm.tm_yday - gtm.tm_yday));
-
-	return (60 * (60 * (24 * days + (ltm.tm_hour - gtm.tm_hour))
-		+ (ltm.tm_min - gtm.tm_min)) + (ltm.tm_sec - gtm.tm_sec));
-#endif
-}
-
-static int format_iso_time(struct tm *tm, suseconds_t usec, int flags, char *buf, size_t bufsz)
-{
-	char *p = buf;
-	int len;
-
-	if (flags & ISO_DATE) {
-		len = snprintf(p, bufsz, "%4ld-%.2d-%.2d",
-			       tm->tm_year + (long) 1900,
-			       tm->tm_mon + 1, tm->tm_mday);
-		if (len < 0 || (size_t) len > bufsz)
-			goto err;
-		bufsz -= len;
-		p += len;
-	}
-
-	if ((flags & ISO_DATE) && (flags & ISO_TIME)) {
-		if (bufsz < 1)
-			goto err;
-		*p++ = (flags & ISO_T) ? 'T' : ' ';
-		bufsz--;
-	}
-
-	if (flags & ISO_TIME) {
-		len = snprintf(p, bufsz, "%02d:%02d:%02d", tm->tm_hour,
-			       tm->tm_min, tm->tm_sec);
-		if (len < 0 || (size_t) len > bufsz)
-			goto err;
-		bufsz -= len;
-		p += len;
-	}
-
-	if (flags & ISO_DOTUSEC) {
-		len = snprintf(p, bufsz, ".%06ld", (long) usec);
-		if (len < 0 || (size_t) len > bufsz)
-			goto err;
-		bufsz -= len;
-		p += len;
-
-	} else if (flags & ISO_COMMAUSEC) {
-		len = snprintf(p, bufsz, ",%06ld", (long) usec);
-		if (len < 0 || (size_t) len > bufsz)
-			goto err;
-		bufsz -= len;
-		p += len;
-	}
-
-	if (flags & ISO_TIMEZONE) {
-		int tmin  = get_gmtoff(tm) / 60;
-		int zhour = tmin / 60;
-		int zmin  = abs(tmin % 60);
-		len = snprintf(p, bufsz, "%+03d:%02d", zhour,zmin);
-		if (len < 0 || (size_t) len > bufsz)
-			goto err;
-	}
-	return 0;
- err:
-	warnx(_("format_iso_time: buffer overflow."));
-	return -1;
-}
-
-/* timeval to ISO 8601 */
-int strtimeval_iso(struct timeval *tv, int flags, char *buf, size_t bufsz)
-{
-	struct tm tm;
-	struct tm *rc;
-
-	if (flags & ISO_GMTIME)
-		rc = gmtime_r(&tv->tv_sec, &tm);
-	else
-		rc = localtime_r(&tv->tv_sec, &tm);
-
-	if (rc)
-		return format_iso_time(&tm, tv->tv_usec, flags, buf, bufsz);
-
-	warnx(_("time %ld is out of range."), tv->tv_sec);
-	return -1;
-}
-
-/* struct tm to ISO 8601 */
-int strtm_iso(struct tm *tm, int flags, char *buf, size_t bufsz)
-{
-	return format_iso_time(tm, 0, flags, buf, bufsz);
-}
-
-/* time_t to ISO 8601 */
-int strtime_iso(const time_t *t, int flags, char *buf, size_t bufsz)
-{
-	struct tm tm;
-	struct tm *rc;
-
-	if (flags & ISO_GMTIME)
-		rc = gmtime_r(t, &tm);
-	else
-		rc = localtime_r(t, &tm);
-
-	if (rc)
-		return format_iso_time(&tm, 0, flags, buf, bufsz);
-
-	warnx(_("time %ld is out of range."), (long)t);
-	return -1;
-}
-
-/* relative time functions */
-static inline int time_is_thisyear(struct tm const *const tm,
-				   struct tm const *const tmnow)
-{
-	return tm->tm_year == tmnow->tm_year;
-}
-
-static inline int time_is_today(struct tm const *const tm,
-				struct tm const *const tmnow)
-{
-	return (tm->tm_yday == tmnow->tm_yday &&
-		time_is_thisyear(tm, tmnow));
-}
-
-int strtime_short(const time_t *t, struct timeval *now, int flags, char *buf, size_t bufsz)
-{
-	struct tm tm, tmnow;
-	int rc = 0;
-
-	if (now->tv_sec == 0)
-		gettimeofday(now, NULL);
-
-	localtime_r(t, &tm);
-	localtime_r(&now->tv_sec, &tmnow);
-
-	if (time_is_today(&tm, &tmnow)) {
-		rc = snprintf(buf, bufsz, "%02d:%02d", tm.tm_hour, tm.tm_min);
-		if (rc < 0 || (size_t) rc > bufsz)
-			return -1;
-		rc = 1;
-
-	} else if (time_is_thisyear(&tm, &tmnow)) {
-		if (flags & UL_SHORTTIME_THISYEAR_HHMM)
-			rc = strftime(buf, bufsz, "%b%d/%H:%M", &tm);
-		else
-			rc = strftime(buf, bufsz, "%b%d", &tm);
-	} else
-		rc = strftime(buf, bufsz, "%Y-%b%d", &tm);
-
-	return rc <= 0 ? -1 : 0;
-}
-
-#ifndef HAVE_TIMEGM
-time_t timegm(struct tm *tm)
-{
-	const char *zone = getenv("TZ");
-	time_t ret;
-
-	setenv("TZ", "", 1);
-	tzset();
-	ret = mktime(tm);
-	if (zone)
-		setenv("TZ", zone, 1);
-	else
-		unsetenv("TZ");
-	tzset();
-	return ret;
-}
-#endif /* HAVE_TIMEGM */
-
-#ifdef TEST_PROGRAM_TIMEUTILS
-
-int main(int argc, char *argv[])
-{
-	struct timeval tv = { 0 };
-	char buf[ISO_BUFSIZ];
-
-	if (argc < 2) {
-		fprintf(stderr, "usage: %s [<time> [<usec>]] | [--timestamp <str>]\n", argv[0]);
-		exit(EXIT_FAILURE);
-	}
-
-	if (strcmp(argv[1], "--timestamp") == 0) {
-		usec_t usec;
-
-		parse_timestamp(argv[2], &usec);
-		tv.tv_sec = (time_t) (usec / 1000000);
-		tv.tv_usec = usec % 1000000;
-	} else {
-		tv.tv_sec = strtos64_or_err(argv[1], "failed to parse <time>");
-		if (argc == 3)
-			tv.tv_usec = strtos64_or_err(argv[2], "failed to parse <usec>");
-	}
-
-	strtimeval_iso(&tv, ISO_DATE, buf, sizeof(buf));
-	printf("Date: '%s'\n", buf);
-
-	strtimeval_iso(&tv, ISO_TIME, buf, sizeof(buf));
-	printf("Time: '%s'\n", buf);
-
-	strtimeval_iso(&tv, ISO_DATE | ISO_TIME | ISO_COMMAUSEC | ISO_T,
-		       buf, sizeof(buf));
-	printf("Full: '%s'\n", buf);
-
-	strtimeval_iso(&tv, ISO_TIMESTAMP_DOT, buf, sizeof(buf));
-	printf("Zone: '%s'\n", buf);
-
-	return EXIT_SUCCESS;
-}
-
-#endif /* TEST_PROGRAM_TIMEUTILS */