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uiDateTimePicker Add comments

This commit is contained in:
cody271 2018-05-12 20:03:20 -07:00
parent 266c633972
commit 9aba97714d
3 changed files with 7 additions and 0 deletions
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3
darwin/datetimepicker.m
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@ -87,6 +87,8 @@ void uiDateTimePickerTime(uiDateTimePicker *d, struct tm *time)
date = [d->dp dateValue];
t = (time_t) [date timeIntervalSince1970];
// Copy time to minimize a race condition
// time.h functions use global non-thread-safe data
tmbuf = *localtime(&t);
memcpy(time, &tmbuf, sizeof(struct tm));
}
@ -96,6 +98,7 @@ void uiDateTimePickerSetTime(uiDateTimePicker *d, const struct tm *time)
time_t t;
struct tm tmbuf;
// Copy time because mktime() modifies its argument
memcpy(&tmbuf, time, sizeof(struct tm));
t = mktime(&tmbuf);

1
ui.h
View File

@ -251,6 +251,7 @@ _UI_EXTERN uiRadioButtons *uiNewRadioButtons(void);
struct tm;
typedef struct uiDateTimePicker uiDateTimePicker;
#define uiDateTimePicker(this) ((uiDateTimePicker *) (this))
// TODO document that tm_wday and tm_yday are undefined, and tm_isdst should be -1
_UI_EXTERN void uiDateTimePickerTime(uiDateTimePicker *d, struct tm *time);
_UI_EXTERN void uiDateTimePickerSetTime(uiDateTimePicker *d, const struct tm *time);
_UI_EXTERN void uiDateTimePickerOnChanged(uiDateTimePicker *d, void (*f)(uiDateTimePicker *, void *), void *data);

3
unix/datetimepicker.c
View File

@ -576,6 +576,8 @@ void uiDateTimePickerTime(uiDateTimePicker *d, struct tm *time)
t = g_date_time_to_unix(dt);
g_date_time_unref(dt);
// Copy time to minimize a race condition
// time.h functions use global non-thread-safe data
tmbuf = *localtime(&t);
memcpy(time, &tmbuf, sizeof(struct tm));
}
@ -585,6 +587,7 @@ void uiDateTimePickerSetTime(uiDateTimePicker *d, const struct tm *time)
time_t t;
struct tm tmbuf;
// Copy time because mktime() modifies its argument
memcpy(&tmbuf, time, sizeof(struct tm));
t = mktime(&tmbuf);