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Interpret a year like 10 as 2010 and not as 1910 if the now time is near 2010. Add test case for that.

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Should fix #7257.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41146 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Clemens Zeidler 2011-03-31 04:55:08 +00:00
parent 5a44e07cca
commit 08444962ae
2 changed files with 25 additions and 2 deletions
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26
src/system/libroot/os/parsedate.cpp
View File

@ -766,11 +766,12 @@ computeDate(const char* format, bool* optional, parsed_element* elements,
if (now == -1)
now = time(NULL);
int nowYear = -1;
if (dateMask.IsComplete())
memset(&tm, 0, sizeof(tm));
else {
localtime_r(&now, &tm);
nowYear = tm.tm_year;
if (dateMask.HasTime()) {
tm.tm_min = 0;
tm.tm_sec = 0;
@ -820,10 +821,31 @@ computeDate(const char* format, bool* optional, parsed_element* elements,
break;
case 'y':
case 'Y':
{
if (nowYear < 0) {
struct tm tmNow;
localtime_r(&now, &tmNow);
nowYear = tmNow.tm_year;
}
int nowYearInCentury = nowYear % 100;
int nowCentury = 1900 + nowYear - nowYearInCentury;
tm.tm_year = element->value;
if (tm.tm_year > 1900)
if (tm.tm_year < 1900) {
// just a relative year like 11 (2011)
// interpret something like 50 as 1950 but
// something like 11 as 2011 (assuming now is 2011)
if (nowYearInCentury + 10 < tm.tm_year % 100)
tm.tm_year -= 100;
tm.tm_year += nowCentury - 1900;
}
else {
tm.tm_year -= 1900;
}
break;
}
case 'z': // time zone
case 'Z':
{

1
src/tests/system/libroot/os/ParseDateTest.cpp
View File

@ -86,6 +86,7 @@ main(int argc, char** argv)
{739702803, "Mon, June 10th, 1993 10:00:03 am +0100", ABSOLUTE, true, false},
{739731603, "Mon, June 10th, 1993 10:00:03 am -0700", ABSOLUTE, true, false},
{739654203, "Mon, June 10th, 1993 06:00:03 am ACDT", ABSOLUTE, true, false},
{1291204800, "01 Dec 10 12:00", ABSOLUTE, false, true},
{-1, NULL, 0, false}
};