From e269f09438ad1bfaef044c5781615cba45ab7690 Mon Sep 17 00:00:00 2001
From: Lukas Fleischer <calcurse@cryptocrack.de>
Date: Thu, 22 Nov 2012 22:23:58 +0100
Subject: Replace localtime() with localtime_r()
Since the result of localtime() is stored in a statically allocated
structure, data was overwritten when a context switch occurred during
(or shortly after) the execution of localtime(), potentially resulting
in critical data corruption. BUG#7 and BUG#8 are likely related.
This patch converts all usages of localtime() with localtime_r(), which
is thread-safe.
Reported-by: Baptiste Jonglez <baptiste@jonglez.org>
Reported-by: Erik Saule <esaule@bmi.osu.edu>
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
---
src/apoint.c | 29 ++++++++++-----------
src/args.c | 10 ++++----
src/calendar.c | 44 +++++++++++++++----------------
src/day.c | 6 ++---
src/event.c | 13 ++++------
src/io.c | 6 ++---
src/notify.c | 8 +++---
src/pcal.c | 2 +-
src/recur.c | 60 +++++++++++++++++++++----------------------
src/utils.c | 81 ++++++++++++++++++++++++++++++++++------------------------
10 files changed, 133 insertions(+), 126 deletions(-)
(limited to 'src')
diff --git a/src/apoint.c b/src/apoint.c
index 1483beb..03ccb36 100644
--- a/src/apoint.c
+++ b/src/apoint.c
@@ -337,39 +337,39 @@ unsigned apoint_inday(struct apoint *i, long start)
void apoint_sec2str(struct apoint *o, long day, char *start, char *end)
{
- struct tm *lt;
+ struct tm lt;
time_t t;
if (o->start < day)
strncpy(start, "..:..", 6);
else {
t = o->start;
- lt = localtime(&t);
- snprintf(start, HRMIN_SIZE, "%02u:%02u", lt->tm_hour, lt->tm_min);
+ localtime_r(&t, <);
+ snprintf(start, HRMIN_SIZE, "%02u:%02u", lt.tm_hour, lt.tm_min);
}
if (o->start + o->dur > day + DAYINSEC)
strncpy(end, "..:..", 6);
else {
t = o->start + o->dur;
- lt = localtime(&t);
- snprintf(end, HRMIN_SIZE, "%02u:%02u", lt->tm_hour, lt->tm_min);
+ localtime_r(&t, <);
+ snprintf(end, HRMIN_SIZE, "%02u:%02u", lt.tm_hour, lt.tm_min);
}
}
void apoint_write(struct apoint *o, FILE * f)
{
- struct tm *lt;
+ struct tm lt;
time_t t;
t = o->start;
- lt = localtime(&t);
- fprintf(f, "%02u/%02u/%04u @ %02u:%02u", lt->tm_mon + 1, lt->tm_mday,
- 1900 + lt->tm_year, lt->tm_hour, lt->tm_min);
+ localtime_r(&t, <);
+ fprintf(f, "%02u/%02u/%04u @ %02u:%02u", lt.tm_mon + 1, lt.tm_mday,
+ 1900 + lt.tm_year, lt.tm_hour, lt.tm_min);
t = o->start + o->dur;
- lt = localtime(&t);
- fprintf(f, " -> %02u/%02u/%04u @ %02u:%02u ", lt->tm_mon + 1, lt->tm_mday,
- 1900 + lt->tm_year, lt->tm_hour, lt->tm_min);
+ localtime_r(&t, <);
+ fprintf(f, " -> %02u/%02u/%04u @ %02u:%02u ", lt.tm_mon + 1, lt.tm_mday,
+ 1900 + lt.tm_year, lt.tm_hour, lt.tm_min);
if (o->note != NULL)
fprintf(f, ">%s ", o->note);
@@ -386,10 +386,7 @@ struct apoint *apoint_scan(FILE * f, struct tm start, struct tm end, char state,
char *note)
{
char buf[BUFSIZ], *newline;
- time_t tstart, tend, t;
-
- t = time(NULL);
- localtime(&t);
+ time_t tstart, tend;
/* Read the appointment description */
if (!fgets(buf, sizeof buf, f))
diff --git a/src/args.c b/src/args.c
index c87a970..01f24e9 100644
--- a/src/args.c
+++ b/src/args.c
@@ -271,11 +271,11 @@ static void arg_print_date(long date)
{
char date_str[BUFSIZ];
time_t t;
- struct tm *lt;
+ struct tm lt;
t = date;
- lt = localtime(&t);
- strftime(date_str, BUFSIZ, conf.output_datefmt, lt);
+ localtime_r(&t, <);
+ strftime(date_str, BUFSIZ, conf.output_datefmt, <);
fputs(date_str, stdout);
fputs(":\n", stdout);
}
@@ -469,7 +469,7 @@ date_arg(const char *ddate, int add_line, const char *fmt_apt,
* to format the output correctly.
*/
timer = time(NULL);
- t = *localtime(&timer);
+ localtime_r(&timer, &t);
display_app(&t, numdays, add_line, fmt_apt, fmt_rapt, fmt_ev, fmt_rev,
regex);
} else { /* a date was entered */
@@ -515,7 +515,7 @@ date_arg_extended(const char *startday, const char *range, int add_line,
numdays = atoi(range);
}
timer = time(NULL);
- t = *localtime(&timer);
+ localtime_r(&timer, &t);
if (startday != NULL) {
if (parse_date(startday, conf.input_datefmt, (int *)&t.tm_year,
(int *)&t.tm_mon, (int *)&t.tm_mday, NULL)) {
diff --git a/src/calendar.c b/src/calendar.c
index a157caa..48ac84d 100644
--- a/src/calendar.c
+++ b/src/calendar.c
@@ -140,15 +140,15 @@ void calendar_stop_date_thread(void)
void calendar_set_current_date(void)
{
time_t timer;
- struct tm *tm;
+ struct tm tm;
timer = time(NULL);
- tm = localtime(&timer);
+ localtime_r(&timer, &tm);
pthread_mutex_lock(&date_thread_mutex);
- today.dd = tm->tm_mday;
- today.mm = tm->tm_mon + 1;
- today.yyyy = tm->tm_year + 1900;
+ today.dd = tm.tm_mday;
+ today.mm = tm.tm_mon + 1;
+ today.yyyy = tm.tm_year + 1900;
pthread_mutex_unlock(&date_thread_mutex);
}
@@ -684,16 +684,16 @@ void calendar_move(enum move move, int count)
long calendar_start_of_year(void)
{
time_t timer;
- struct tm *tm;
+ struct tm tm;
timer = time(NULL);
- tm = localtime(&timer);
- tm->tm_mon = 0;
- tm->tm_mday = 1;
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- timer = mktime(tm);
+ localtime_r(&timer, &tm);
+ tm.tm_mon = 0;
+ tm.tm_mday = 1;
+ tm.tm_hour = 0;
+ tm.tm_min = 0;
+ tm.tm_sec = 0;
+ timer = mktime(&tm);
return (long)timer;
}
@@ -701,17 +701,17 @@ long calendar_start_of_year(void)
long calendar_end_of_year(void)
{
time_t timer;
- struct tm *tm;
+ struct tm tm;
timer = time(NULL);
- tm = localtime(&timer);
- tm->tm_mon = 0;
- tm->tm_mday = 1;
- tm->tm_hour = 0;
- tm->tm_min = 0;
- tm->tm_sec = 0;
- tm->tm_year++;
- timer = mktime(tm);
+ localtime_r(&timer, &tm);
+ tm.tm_mon = 0;
+ tm.tm_mday = 1;
+ tm.tm_hour = 0;
+ tm.tm_min = 0;
+ tm.tm_sec = 0;
+ tm.tm_year++;
+ timer = mktime(&tm);
return (long)(timer - 1);
}
diff --git a/src/day.c b/src/day.c
index e013df5..29c03e4 100644
--- a/src/day.c
+++ b/src/day.c
@@ -730,7 +730,7 @@ static void update_rept(struct rpt **rpt, const long start)
newuntil = 0;
date_entered = 1;
} else {
- struct tm *lt;
+ struct tm lt;
time_t t;
struct date new_date;
int newmonth, newday, newyear;
@@ -738,11 +738,11 @@ static void update_rept(struct rpt **rpt, const long start)
if (parse_date(timstr, conf.input_datefmt, &newyear, &newmonth,
&newday, calendar_get_slctd_day())) {
t = start;
- lt = localtime(&t);
+ localtime_r(&t, <);
new_date.dd = newday;
new_date.mm = newmonth;
new_date.yyyy = newyear;
- newuntil = date2sec(new_date, lt->tm_hour, lt->tm_min);
+ newuntil = date2sec(new_date, lt.tm_hour, lt.tm_min);
if (newuntil < start) {
status_mesg(msg_wrong_time, msg_enter);
wgetch(win[STA].p);
diff --git a/src/event.c b/src/event.c
index f460ded..203af44 100644
--- a/src/event.c
+++ b/src/event.c
@@ -112,13 +112,13 @@ unsigned event_inday(struct event *i, long start)
/* Write to file the event in user-friendly format */
void event_write(struct event *o, FILE * f)
{
- struct tm *lt;
+ struct tm lt;
time_t t;
t = o->day;
- lt = localtime(&t);
- fprintf(f, "%02u/%02u/%04u [%d] ", lt->tm_mon + 1, lt->tm_mday,
- 1900 + lt->tm_year, o->id);
+ localtime_r(&t, <);
+ fprintf(f, "%02u/%02u/%04u [%d] ", lt.tm_mon + 1, lt.tm_mday,
+ 1900 + lt.tm_year, o->id);
if (o->note != NULL)
fprintf(f, ">%s ", o->note);
fprintf(f, "%s\n", o->mesg);
@@ -128,10 +128,7 @@ void event_write(struct event *o, FILE * f)
struct event *event_scan(FILE * f, struct tm start, int id, char *note)
{
char buf[BUFSIZ], *nl;
- time_t tstart, t;
-
- t = time(NULL);
- localtime(&t);
+ time_t tstart;
/* Read the event description */
if (!fgets(buf, sizeof buf, f))
diff --git a/src/io.c b/src/io.c
index 9bffe1a..0af8b02 100644
--- a/src/io.c
+++ b/src/io.c
@@ -454,7 +454,7 @@ void io_load_app(void)
{
FILE *data_file;
int c, is_appointment, is_event, is_recursive;
- struct tm start, end, until, *lt;
+ struct tm start, end, until, lt;
llist_t exc;
time_t t;
int id = 0;
@@ -463,8 +463,8 @@ void io_load_app(void)
char note[MAX_NOTESIZ + 1], *notep;
t = time(NULL);
- lt = localtime(&t);
- start = end = until = *lt;
+ localtime_r(&t, <);
+ start = end = until = lt;
data_file = fopen(path_apts, "r");
EXIT_IF(data_file == NULL, _("failed to open appointment file"));
diff --git a/src/notify.c b/src/notify.c
index a057c2f..10bc0f7 100644
--- a/src/notify.c
+++ b/src/notify.c
@@ -310,18 +310,18 @@ static void *notify_main_thread(void *arg)
const unsigned check_app = MININSEC;
int elapse = 0;
int got_app;
- struct tm *ntime;
+ struct tm ntime;
time_t ntimer;
elapse = 0;
for (;;) {
ntimer = time(NULL);
- ntime = localtime(&ntimer);
+ localtime_r(&ntimer, &ntime);
pthread_mutex_lock(¬ify.mutex);
pthread_mutex_lock(&nbar.mutex);
- strftime(notify.time, NOTIFY_FIELD_LENGTH, nbar.timefmt, ntime);
- strftime(notify.date, NOTIFY_FIELD_LENGTH, nbar.datefmt, ntime);
+ strftime(notify.time, NOTIFY_FIELD_LENGTH, nbar.timefmt, &ntime);
+ strftime(notify.date, NOTIFY_FIELD_LENGTH, nbar.datefmt, &ntime);
pthread_mutex_unlock(&nbar.mutex);
pthread_mutex_unlock(¬ify.mutex);
notify_update_bar();
diff --git a/src/pcal.c b/src/pcal.c
index c4f731d..4c00ddc 100644
--- a/src/pcal.c
+++ b/src/pcal.c
@@ -64,7 +64,7 @@ foreach_date_dump(const long date_end, struct rpt *rpt, llist_t * exc,
time_t t;
t = item_first_date;
- lt = *localtime(&t);
+ localtime_r(&t, <);
lt.tm_hour = lt.tm_min = lt.tm_sec = 0;
lt.tm_isdst = -1;
date = mktime(<);
diff --git a/src/recur.c b/src/recur.c
index e8ddffc..5c32bca 100644
--- a/src/recur.c
+++ b/src/recur.c
@@ -318,17 +318,17 @@ int recur_char2def(char type)
static void recur_write_exc(llist_t * lexc, FILE * f)
{
llist_item_t *i;
- struct tm *lt;
+ struct tm lt;
time_t t;
int st_mon, st_day, st_year;
LLIST_FOREACH(lexc, i) {
struct excp *exc = LLIST_GET_DATA(i);
t = exc->st;
- lt = localtime(&t);
- st_mon = lt->tm_mon + 1;
- st_day = lt->tm_mday;
- st_year = lt->tm_year + 1900;
+ localtime_r(&t, <);
+ st_mon = lt.tm_mon + 1;
+ st_day = lt.tm_mday;
+ st_year = lt.tm_year + 1900;
fprintf(f, " !%02u/%02u/%04u", st_mon, st_day, st_year);
}
}
@@ -415,27 +415,27 @@ struct recur_event *recur_event_scan(FILE * f, struct tm start, int id,
/* Writting of a recursive appointment into file. */
void recur_apoint_write(struct recur_apoint *o, FILE * f)
{
- struct tm *lt;
+ struct tm lt;
time_t t;
t = o->start;
- lt = localtime(&t);
- fprintf(f, "%02u/%02u/%04u @ %02u:%02u", lt->tm_mon + 1, lt->tm_mday,
- 1900 + lt->tm_year, lt->tm_hour, lt->tm_min);
+ localtime_r(&t, <);
+ fprintf(f, "%02u/%02u/%04u @ %02u:%02u", lt.tm_mon + 1, lt.tm_mday,
+ 1900 + lt.tm_year, lt.tm_hour, lt.tm_min);
t = o->start + o->dur;
- lt = localtime(&t);
- fprintf(f, " -> %02u/%02u/%04u @ %02u:%02u", lt->tm_mon + 1, lt->tm_mday,
- 1900 + lt->tm_year, lt->tm_hour, lt->tm_min);
+ localtime_r(&t, <);
+ fprintf(f, " -> %02u/%02u/%04u @ %02u:%02u", lt.tm_mon + 1, lt.tm_mday,
+ 1900 + lt.tm_year, lt.tm_hour, lt.tm_min);
t = o->rpt->until;
if (t == 0) { /* We have an endless recurrent appointment. */
fprintf(f, " {%d%c", o->rpt->freq, recur_def2char(o->rpt->type));
} else {
- lt = localtime(&t);
+ localtime_r(&t, <);
fprintf(f, " {%d%c -> %02u/%02u/%04u", o->rpt->freq,
- recur_def2char(o->rpt->type), lt->tm_mon + 1, lt->tm_mday,
- 1900 + lt->tm_year);
+ recur_def2char(o->rpt->type), lt.tm_mon + 1, lt.tm_mday,
+ 1900 + lt.tm_year);
}
recur_write_exc(&o->exc, f);
fputs("} ", f);
@@ -451,25 +451,25 @@ void recur_apoint_write(struct recur_apoint *o, FILE * f)
/* Writting of a recursive event into file. */
void recur_event_write(struct recur_event *o, FILE * f)
{
- struct tm *lt;
+ struct tm lt;
time_t t;
int st_mon, st_day, st_year;
int end_mon, end_day, end_year;
t = o->day;
- lt = localtime(&t);
- st_mon = lt->tm_mon + 1;
- st_day = lt->tm_mday;
- st_year = lt->tm_year + 1900;
+ localtime_r(&t, <);
+ st_mon = lt.tm_mon + 1;
+ st_day = lt.tm_mday;
+ st_year = lt.tm_year + 1900;
t = o->rpt->until;
if (t == 0) { /* We have an endless recurrent event. */
fprintf(f, "%02u/%02u/%04u [%d] {%d%c", st_mon, st_day, st_year, o->id,
o->rpt->freq, recur_def2char(o->rpt->type));
} else {
- lt = localtime(&t);
- end_mon = lt->tm_mon + 1;
- end_day = lt->tm_mday;
- end_year = lt->tm_year + 1900;
+ localtime_r(&t, <);
+ end_mon = lt.tm_mon + 1;
+ end_day = lt.tm_mday;
+ end_year = lt.tm_year + 1900;
fprintf(f, "%02u/%02u/%04u [%d] {%d%c -> %02u/%02u/%04u", st_mon,
st_day, st_year, o->id, o->rpt->freq,
recur_def2char(o->rpt->type), end_mon, end_day, end_year);
@@ -581,10 +581,10 @@ recur_item_find_occurrence(long item_start, long item_dur, llist_t * item_exc,
return 0;
t = day_start;
- lt_day = *localtime(&t);
+ localtime_r(&t, <_day);
t = item_start;
- lt_item = *localtime(&t);
+ localtime_r(&t, <_item);
lt_item_day = lt_item;
lt_item_day.tm_sec = lt_item_day.tm_min = lt_item_day.tm_hour = 0;
@@ -632,7 +632,7 @@ recur_item_find_occurrence(long item_start, long item_dur, llist_t * item_exc,
if (rpt_until != 0 && t > rpt_until)
return 0;
- lt_item_day = *localtime(&t);
+ localtime_r(&t, <_item_day);
diff = diff_days(lt_item_day, lt_day);
if (diff <= span) {
@@ -791,7 +791,7 @@ recur_apoint_erase(long start, unsigned num, unsigned delete_whole,
*/
void recur_repeat_item(void)
{
- struct tm *lt;
+ struct tm lt;
time_t t;
int date_entered = 0;
int year = 0, month = 0, day = 0;
@@ -876,11 +876,11 @@ void recur_repeat_item(void)
if (parse_date(user_input, conf.input_datefmt,
&year, &month, &day, calendar_get_slctd_day())) {
t = p->start;
- lt = localtime(&t);
+ localtime_r(&t, <);
until_date.dd = day;
until_date.mm = month;
until_date.yyyy = year;
- until = date2sec(until_date, lt->tm_hour, lt->tm_min);
+ until = date2sec(until_date, lt.tm_hour, lt.tm_min);
if (until < p->start) {
status_mesg(mesg_older, wrong_type_2);
wgetch(win[STA].p);
diff --git a/src/utils.c b/src/utils.c
index 14de867..da8eade 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -337,18 +337,26 @@ long get_item_time(long date)
int get_item_hour(long date)
{
- return (localtime((time_t *) & date))->tm_hour;
+ struct tm lt;
+
+ localtime_r((time_t *)&date, <);
+ return lt.tm_hour;
}
int get_item_min(long date)
{
- return (localtime((time_t *) & date))->tm_min;
+ struct tm lt;
+
+ localtime_r((time_t *)&date, <);
+ return lt.tm_min;
}
long date2sec(struct date day, unsigned hour, unsigned min)
{
time_t t = now();
- struct tm start = *(localtime(&t));
+ struct tm start;
+
+ localtime_r(&t, &start);
start.tm_mon = day.mm - 1;
start.tm_mday = day.dd;
@@ -367,14 +375,14 @@ long date2sec(struct date day, unsigned hour, unsigned min)
/* Return a string containing the date, given a date in seconds. */
char *date_sec2date_str(long sec, const char *datefmt)
{
- struct tm *lt;
+ struct tm lt;
char *datestr = (char *)mem_calloc(BUFSIZ, sizeof(char));
if (sec == 0)
strncpy(datestr, "0", BUFSIZ);
else {
- lt = localtime((time_t *) & sec);
- strftime(datestr, BUFSIZ, datefmt, lt);
+ localtime_r((time_t *)&sec, <);
+ strftime(datestr, BUFSIZ, datefmt, <);
}
return datestr;
@@ -389,8 +397,9 @@ void date_sec2date_fmt(long sec, const char *fmt, char *datef)
setlocale (LC_ALL, "C");
#endif
- struct tm *lt = localtime((time_t *)&sec);
- strftime(datef, BUFSIZ, fmt, lt);
+ struct tm lt;
+ localtime_r((time_t *)&sec, <);
+ strftime(datef, BUFSIZ, fmt, <);
#if ENABLE_NLS
setlocale (LC_ALL, locale_old);
@@ -403,15 +412,15 @@ void date_sec2date_fmt(long sec, const char *fmt, char *datef)
*/
long date_sec_change(long date, int delta_month, int delta_day)
{
- struct tm *lt;
+ struct tm lt;
time_t t;
t = date;
- lt = localtime(&t);
- lt->tm_mon += delta_month;
- lt->tm_mday += delta_day;
- lt->tm_isdst = -1;
- t = mktime(lt);
+ localtime_r(&t, <);
+ lt.tm_mon += delta_month;
+ lt.tm_mday += delta_day;
+ lt.tm_isdst = -1;
+ t = mktime(<);
EXIT_IF(t == -1, _("failure in mktime"));
return t;
@@ -423,14 +432,14 @@ long date_sec_change(long date, int delta_month, int delta_day)
*/
long update_time_in_date(long date, unsigned hr, unsigned mn)
{
- struct tm *lt;
+ struct tm lt;
time_t t, new_date;
t = date;
- lt = localtime(&t);
- lt->tm_hour = hr;
- lt->tm_min = mn;
- new_date = mktime(lt);
+ localtime_r(&t, <);
+ lt.tm_hour = hr;
+ lt.tm_min = mn;
+ new_date = mktime(<);
EXIT_IF(new_date == -1, _("error in mktime"));
return new_date;
@@ -442,7 +451,7 @@ long update_time_in_date(long date, unsigned hr, unsigned mn)
*/
long get_sec_date(struct date date)
{
- struct tm *ptrtime;
+ struct tm ptrtime;
time_t timer;
long long_date;
char current_day[] = "dd ";
@@ -451,10 +460,10 @@ long get_sec_date(struct date date)
if (date.yyyy == 0 && date.mm == 0 && date.dd == 0) {
timer = time(NULL);
- ptrtime = localtime(&timer);
- strftime(current_day, strlen(current_day), "%d", ptrtime);
- strftime(current_month, strlen(current_month), "%m", ptrtime);
- strftime(current_year, strlen(current_year), "%Y", ptrtime);
+ localtime_r(&timer, &ptrtime);
+ strftime(current_day, strlen(current_day), "%d", &ptrtime);
+ strftime(current_month, strlen(current_month), "%m", &ptrtime);
+ strftime(current_year, strlen(current_year), "%Y", &ptrtime);
date.mm = atoi(current_month);
date.dd = atoi(current_day);
date.yyyy = atoi(current_year);
@@ -518,16 +527,16 @@ item_in_popup(const char *saved_a_start, const char *saved_a_end,
/* Returns the beginning of current day in seconds from 1900. */
long get_today(void)
{
- struct tm *lt;
+ struct tm lt;
time_t current_time;
long current_day;
struct date day;
current_time = time(NULL);
- lt = localtime(¤t_time);
- day.mm = lt->tm_mon + 1;
- day.dd = lt->tm_mday;
- day.yyyy = lt->tm_year + 1900;
+ localtime_r(¤t_time, <);
+ day.mm = lt.tm_mon + 1;
+ day.dd = lt.tm_mday;
+ day.yyyy = lt.tm_year + 1900;
current_day = date2sec(day, 0, 0);
return current_day;
@@ -541,10 +550,12 @@ long now(void)
char *nowstr(void)
{
+ struct tm lt;
static char buf[BUFSIZ];
time_t t = now();
- strftime(buf, sizeof buf, "%a %b %d %T %Y", localtime(&t));
+ localtime_r(&t, <);
+ strftime(buf, sizeof buf, "%a %b %d %T %Y", <);
return buf;
}
@@ -1183,15 +1194,17 @@ static void print_date(long date, long day, const char *extformat)
printf("%ld", date);
else {
time_t t = date;
- struct tm *lt = localtime((time_t *) & t);
+ struct tm lt;
+
+ localtime_r((time_t *)&t, <);
if (extformat[0] == '\0' || !strcmp(extformat, "default")) {
if (date >= day && date <= day + DAYINSEC)
- strftime(buf, BUFSIZ, "%H:%M", lt);
+ strftime(buf, BUFSIZ, "%H:%M", <);
else
- strftime(buf, BUFSIZ, "..:..", lt);
+ strftime(buf, BUFSIZ, "..:..", <);
} else {
- strftime(buf, BUFSIZ, extformat, lt);
+ strftime(buf, BUFSIZ, extformat, <);
}
printf("%s", buf);
--
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