X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Ftime%2Fstrftime.c;h=77160619a293b9aa0d896e5c5b6a0d8afe142197;hb=3b7e3a6f07410a5757339fb8037c149c1655385e;hp=eb32a167c8eacc9f7e604fda31ba8b4e2de53d3f;hpb=7517a992da74749b360ee20aa14febcc3cf314d5;p=pdclib diff --git a/functions/time/strftime.c b/functions/time/strftime.c index eb32a16..7716061 100644 --- a/functions/time/strftime.c +++ b/functions/time/strftime.c @@ -11,12 +11,75 @@ #ifndef REGTEST -/* TODO: Alternative representations / numerals not supported. */ +/* TODO: Alternative representations / numerals not supported. Multibyte support missing. */ /* This implementation's code is highly repetitive, but I did not really care for putting it into a number of macros / helper functions. */ +static int iso_week( const struct tm * timeptr ) +{ + /* calculations below rely on Sunday == 7 */ + int wday = timeptr->tm_wday; + if ( wday == 0 ) + { + wday = 7; + } + /* https://en.wikipedia.org/wiki/ISO_week_date */ + int week = ( timeptr->tm_yday - wday + 11 ) / 7; + if ( week == 53 ) + { + /* date *may* belong to the *next* year, if: + * it is 31.12. and Monday - Wednesday + * it is 30.12. and Monday - Tuesday + * it is 29.12. and Monday + We can safely assume December... + */ + if ( ( timeptr->tm_mday - wday ) > 27 ) + { + week = 1; + } + } + else if ( week == 0 ) + { + /* date *does* belong to *previous* year, + i.e. has week 52 *unless*... + * current year started on a Friday, or + * previous year is leap and this year + started on a Saturday. + */ + int firstday = timeptr->tm_wday - ( timeptr->tm_yday % 7 ); + if ( firstday < 0 ) + { + firstday += 7; + } + if ( ( firstday == 5 ) || ( _PDCLIB_is_leap( timeptr->tm_year - 1 ) && firstday == 6 ) ) + { + week = 53; + } + else + { + week = 52; + } + } + return week; +} + +static int sprints( char * _PDCLIB_restrict dest, const char * _PDCLIB_restrict src, size_t maxsize, size_t * rc ) +{ + size_t len = strlen( src ); + if ( *rc < ( maxsize - len ) ) + { + strcpy( dest + *rc, src ); + *rc += len; + return 1; + } + else + { + return 0; + } +} + size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB_restrict format, const struct tm * _PDCLIB_restrict timeptr ) { size_t rc = 0; @@ -25,7 +88,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB { if ( *format != '%' ) { - if ( ( *s++ = *format++ ) == '\0' ) + if ( ( s[rc] = *format++ ) == '\0' ) { return rc; } @@ -52,14 +115,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'a': { /* tm_wday abbreviated */ - const char * day = _PDCLIB_lconv.day_name_abbr[ timeptr->tm_wday ]; - size_t len = strlen( day ); - if ( rc < ( maxsize - len ) ) - { - strcpy( s, day ); - rc += len; - } - else + if ( ! sprints( s, _PDCLIB_lconv.day_name_abbr[ timeptr->tm_wday ], maxsize, &rc ) ) { return 0; } @@ -68,14 +124,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'A': { /* tm_wday full */ - const char * day = _PDCLIB_lconv.day_name_full[ timeptr->tm_wday ]; - size_t len = strlen( day ); - if ( rc < ( maxsize - len ) ) - { - strcpy( s, day ); - rc += len; - } - else + if ( ! sprints( s, _PDCLIB_lconv.day_name_full[ timeptr->tm_wday ], maxsize, &rc ) ) { return 0; } @@ -85,14 +134,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'h': { /* tm_mon abbreviated */ - const char * month = _PDCLIB_lconv.month_name_abbr[ timeptr->tm_mon ]; - size_t len = strlen( month ); - if ( rc < ( maxsize - len ) ) - { - strcpy( s, month ); - rc += len; - } - else + if ( ! sprints( s, _PDCLIB_lconv.month_name_abbr[ timeptr->tm_mon ], maxsize, &rc ) ) { return 0; } @@ -101,14 +143,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'B': { /* tm_mon full */ - const char * month = _PDCLIB_lconv.month_name_full[ timeptr->tm_mon ]; - size_t len = strlen( month ); - if ( rc < ( maxsize - len ) ) - { - strcpy( s, month ); - rc += len; - } - else + if ( ! sprints( s, _PDCLIB_lconv.month_name_full[ timeptr->tm_mon ], maxsize, &rc ) ) { return 0; } @@ -118,7 +153,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB { /* locale's date / time representation, %a %b %e %T %Y for C locale */ /* 'E' for locale's alternative representation */ - size_t count = strftime( s, maxsize - rc, _PDCLIB_lconv.date_time_format, timeptr ); + size_t count = strftime( s + rc, maxsize - rc, _PDCLIB_lconv.date_time_format, timeptr ); if ( count == 0 ) { return 0; @@ -135,10 +170,9 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB /* 'E' for base year (period) in locale's alternative representation */ if ( rc < ( maxsize - 2 ) ) { - div_t period = div( ( timeptr->tm_year / 100 ), 10 ); - *s++ = '0' + period.quot; - *s++ = '0' + period.rem; - rc += 2; + div_t period = div( ( ( timeptr->tm_year + 1900 ) / 100 ), 10 ); + s[rc++] = '0' + period.quot; + s[rc++] = '0' + period.rem; } else { @@ -153,9 +187,8 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB if ( rc < ( maxsize - 2 ) ) { div_t day = div( timeptr->tm_mday, 10 ); - *s++ = '0' + day.quot; - *s++ = '0' + day.rem; - rc += 2; + s[rc++] = '0' + day.quot; + s[rc++] = '0' + day.rem; } else { @@ -166,7 +199,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'D': { /* %m/%d/%y */ - size_t count = strftime( s, maxsize - rc, "%m/%d/%y", timeptr ); + size_t count = strftime( s + rc, maxsize - rc, "%m/%d/%y", timeptr ); if ( count == 0 ) { return 0; @@ -184,9 +217,8 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB if ( rc < ( maxsize - 2 ) ) { div_t day = div( timeptr->tm_mday, 10 ); - *s++ = ( day.quot > 0 ) ? '0' + day.quot : ' '; - *s++ = '0' + day.rem; - rc += 2; + s[rc++] = ( day.quot > 0 ) ? '0' + day.quot : ' '; + s[rc++] = '0' + day.rem; } else { @@ -197,7 +229,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'F': { /* %Y-%m-%d */ - size_t count = strftime( s, maxsize - rc, "%Y-%m-%d", timeptr ); + size_t count = strftime( s + rc, maxsize - rc, "%Y-%m-%d", timeptr ); if ( count == 0 ) { return 0; @@ -211,13 +243,56 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'g': { /* last 2 digits of the week-based year as decimal (00-99) */ - /* TODO: 'g' */ + if ( rc < ( maxsize - 2 ) ) + { + int week = iso_week( timeptr ); + int bias = 0; + if ( week >= 52 && timeptr->tm_mon == 0 ) + { + --bias; + } + else if ( week == 1 && timeptr->tm_mon == 11 ) + { + ++bias; + } + div_t year = div( timeptr->tm_year % 100 + bias, 10 ); + s[rc++] = '0' + year.quot; + s[rc++] = '0' + year.rem; + } + else + { + return 0; + } break; } case 'G': { /* week-based year as decimal (e.g. 1997) */ - /* TODO: 'G' */ + if ( rc < ( maxsize - 4 ) ) + { + int week = iso_week( timeptr ); + int year = timeptr->tm_year + 1900; + if ( week >= 52 && timeptr->tm_mon == 0 ) + { + --year; + } + else if ( week == 1 && timeptr->tm_mon == 11 ) + { + ++year; + } + for ( int i = 3; i >= 0; --i ) + { + div_t digit = div( year, 10 ); + s[ rc + i ] = '0' + digit.rem; + year = digit.quot; + } + + rc += 4; + } + else + { + return 0; + } break; } case 'H': @@ -227,9 +302,8 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB if ( rc < ( maxsize - 2 ) ) { div_t hour = div( timeptr->tm_hour, 10 ); - *s++ = '0' + hour.quot; - *s++ = '0' + hour.rem; - rc += 2; + s[rc++] = '0' + hour.quot; + s[rc++] = '0' + hour.rem; } else { @@ -243,10 +317,9 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB /* 'O' for locale's alternative numeric symbols */ if ( rc < ( maxsize - 2 ) ) { - div_t hour = div( ( timeptr->tm_hour + 1 ) % 12, 10 ); - *s++ = '0' + hour.quot; - *s++ = '0' + hour.rem; - rc += 2; + div_t hour = div( ( timeptr->tm_hour + 11 ) % 12 + 1, 10 ); + s[rc++] = '0' + hour.quot; + s[rc++] = '0' + hour.rem; } else { @@ -259,11 +332,10 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB /* tm_yday as decimal (001-366) */ if ( rc < ( maxsize - 3 ) ) { - div_t yday = div( timeptr->tm_yday, 100 ); - *s++ = '0' + yday.quot; - *s++ = '0' + yday.rem / 10; - *s++ = '0' + yday.rem % 10; - rc += 3; + div_t yday = div( timeptr->tm_yday + 1, 100 ); + s[rc++] = '0' + yday.quot; + s[rc++] = '0' + yday.rem / 10; + s[rc++] = '0' + yday.rem % 10; } else { @@ -278,9 +350,8 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB if ( rc < ( maxsize - 2 ) ) { div_t mon = div( timeptr->tm_mon + 1, 10 ); - *s++ = '0' + mon.quot; - *s++ = '0' + mon.rem; - rc += 2; + s[rc++] = '0' + mon.quot; + s[rc++] = '0' + mon.rem; } else { @@ -294,10 +365,9 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB /* 'O' for locale's alternative numeric symbols */ if ( rc < ( maxsize - 2 ) ) { - div_t min = div( timeptr->tm_min + 1, 10 ); - *s++ = '0' + min.quot; - *s++ = '0' + min.rem; - rc += 2; + div_t min = div( timeptr->tm_min, 10 ); + s[rc++] = '0' + min.quot; + s[rc++] = '0' + min.rem; } else { @@ -308,8 +378,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'n': { /* newline */ - *s++ = '\n'; - ++rc; + s[rc++] = '\n'; break; } case 'p': @@ -319,7 +388,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB size_t len = strlen( designation ); if ( rc < ( maxsize - len ) ) { - strcpy( s, designation ); + strcpy( s + rc, designation ); rc += len; } else @@ -331,7 +400,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'r': { /* tm_hour / tm_min / tm_sec as locale's 12-hour clock time, %I:%M:%S %p for C locale */ - size_t count = strftime( s, maxsize - rc, _PDCLIB_lconv.time_format_12h, timeptr ); + size_t count = strftime( s + rc, maxsize - rc, _PDCLIB_lconv.time_format_12h, timeptr ); if ( count == 0 ) { return 0; @@ -345,7 +414,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 'R': { /* %H:%M */ - size_t count = strftime( s, maxsize - rc, "%H:%M", timeptr ); + size_t count = strftime( s + rc, maxsize - rc, "%H:%M", timeptr ); if ( count == 0 ) { return 0; @@ -362,10 +431,9 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB /* 'O' for locale's alternative numeric symbols */ if ( rc < ( maxsize - 2 ) ) { - div_t sec = div( timeptr->tm_sec + 1, 10 ); - *s++ = '0' + sec.quot; - *s++ = '0' + sec.rem; - rc += 2; + div_t sec = div( timeptr->tm_sec, 10 ); + s[rc++] = '0' + sec.quot; + s[rc++] = '0' + sec.rem; } else { @@ -376,14 +444,13 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case 't': { /* tabulator */ - *s++ = '\t'; - ++rc; + s[rc++] = '\t'; break; } case 'T': { /* %H:%M:%S */ - size_t count = strftime( s, maxsize - rc, "%H:%M:%S", timeptr ); + size_t count = strftime( s + rc, maxsize - rc, "%H:%M:%S", timeptr ); if ( count == 0 ) { return 0; @@ -398,8 +465,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB { /* tm_wday as decimal (1-7) with Monday == 1 */ /* 'O' for locale's alternative numeric symbols */ - *s++ = ( timeptr->tm_wday == 0 ) ? '7' : '0' + timeptr->tm_wday; - ++rc; + s[rc++] = ( timeptr->tm_wday == 0 ) ? '7' : '0' + timeptr->tm_wday; break; } case 'U': @@ -411,17 +477,25 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB } case 'V': { - /* week number as decimal (01-53) */ + /* ISO week number as decimal (01-53) */ /* 'O' for locale's alternative numeric symbols */ - /* TODO: 'V' */ + if ( rc < ( maxsize - 2 ) ) + { + div_t week = div( iso_week( timeptr ), 10 ); + s[rc++] = '0' + week.quot; + s[rc++] = '0' + week.rem; + } + else + { + return 0; + } break; } case 'w': { /* tm_wday as decimal number (0-6) with Sunday == 0 */ /* 'O' for locale's alternative numeric symbols */ - *s++ = '0' + timeptr->tm_wday; - ++rc; + s[rc++] = '0' + timeptr->tm_wday; break; } case 'W': @@ -435,7 +509,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB { /* locale's date representation, %m/%d/%y for C locale */ /* 'E' for locale's alternative representation */ - size_t count = strftime( s, maxsize - rc, _PDCLIB_lconv.date_format, timeptr ); + size_t count = strftime( s + rc, maxsize - rc, _PDCLIB_lconv.date_format, timeptr ); if ( count == 0 ) { return 0; @@ -450,7 +524,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB { /* locale's time representation, %T for C locale */ /* 'E' for locale's alternative representation */ - size_t count = strftime( s, maxsize - rc, _PDCLIB_lconv.time_format, timeptr ); + size_t count = strftime( s + rc, maxsize - rc, _PDCLIB_lconv.time_format, timeptr ); if ( count == 0 ) { return 0; @@ -469,9 +543,8 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB if ( rc < ( maxsize - 2 ) ) { div_t year = div( ( timeptr->tm_year % 100 ), 10 ); - *s++ = '0' + year.quot; - *s++ = '0' + year.rem; - rc += 2; + s[rc++] = '0' + year.quot; + s[rc++] = '0' + year.rem; } else { @@ -485,12 +558,12 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB /* 'E' for locale's alternative representation */ if ( rc < ( maxsize - 4 ) ) { - int year = timeptr->tm_year; + int year = timeptr->tm_year + 1900; for ( int i = 3; i >= 0; --i ) { div_t digit = div( year, 10 ); - s[i] = '0' + digit.rem; + s[ rc + i ] = '0' + digit.rem; year = digit.quot; } @@ -517,8 +590,7 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB case '%': { /* '%' character */ - *s++ = '%'; - ++rc; + s[rc++] = '%'; break; } } @@ -534,9 +606,134 @@ size_t strftime( char * _PDCLIB_restrict s, size_t maxsize, const char * _PDCLIB #include "_PDCLIB_test.h" +#define MKTIME( tm, sec, min, hour, day, month, year, wday, yday ) tm.tm_sec = sec; tm.tm_min = min; tm.tm_hour = hour; tm.tm_mday = day; tm.tm_mon = month; tm.tm_year = year; tm.tm_wday = wday; tm.tm_yday = yday; tm.tm_isdst = -1; + int main( void ) { - TESTCASE( NO_TESTDRIVER ); + char buffer[100]; + /* Basic functionality */ + struct tm timeptr; + MKTIME( timeptr, 59, 30, 12, 1, 9, 72, 0, 274 ); + TESTCASE( strftime( buffer, 100, "%a ", &timeptr ) == 4 ); + TESTCASE( strcmp( buffer, "Sun " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%A ", &timeptr ) == 7 ); + TESTCASE( strcmp( buffer, "Sunday " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%b ", &timeptr ) == 4 ); + TESTCASE( strcmp( buffer, "Oct " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%h ", &timeptr ) == 4 ); + TESTCASE( strcmp( buffer, "Oct " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%B ", &timeptr ) == 8 ); + TESTCASE( strcmp( buffer, "October " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%c ", &timeptr ) == 25 ); + TESTCASE( strcmp( buffer, "Sun Oct 1 12:30:59 1972 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%C ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "19 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%d ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "01 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%D ", &timeptr ) == 9 ); + TESTCASE( strcmp( buffer, "10/01/72 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%e ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, " 1 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%F ", &timeptr ) == 11 ); + TESTCASE( strcmp( buffer, "1972-10-01 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%H ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "12 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%I ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "12 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%j ", &timeptr ) == 4 ); + TESTCASE( strcmp( buffer, "275 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%m ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "10 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%M ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "30 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%p ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "PM " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%r ", &timeptr ) == 12 ); + TESTCASE( strcmp( buffer, "12:30:59 PM " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%R ", &timeptr ) == 6 ); + TESTCASE( strcmp( buffer, "12:30 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%S ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "59 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%T ", &timeptr ) == 9 ); + TESTCASE( strcmp( buffer, "12:30:59 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%u ", &timeptr ) == 2 ); + TESTCASE( strcmp( buffer, "7 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%w ", &timeptr ) == 2 ); + TESTCASE( strcmp( buffer, "0 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%x ", &timeptr ) == 9 ); + TESTCASE( strcmp( buffer, "10/01/72 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%X ", &timeptr ) == 9 ); + TESTCASE( strcmp( buffer, "12:30:59 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%y ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "72 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%Y ", &timeptr ) == 5 ); + TESTCASE( strcmp( buffer, "1972 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%% ", &timeptr ) == 2 ); + TESTCASE( strcmp( buffer, "% " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%n ", &timeptr ) == 2 ); + TESTCASE( strcmp( buffer, "\n " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%t ", &timeptr ) == 2 ); + TESTCASE( strcmp( buffer, "\t " ) == 0 ); + /* ISO week calculation */ + MKTIME( timeptr, 0, 0, 0, 27, 11, 3, 0, 360 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "52 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 28, 11, 3, 1, 361 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "53 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 31, 11, 3, 4, 364 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "53 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 1, 0, 4, 5, 0 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "53 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 3, 0, 4, 0, 2 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "53 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%g ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "03 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%G ", &timeptr ) == 5 ); + TESTCASE( strcmp( buffer, "1903 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 4, 0, 4, 1, 3 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "01 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%g ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "04 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%G ", &timeptr ) == 5 ); + TESTCASE( strcmp( buffer, "1904 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 1, 0, 5, 0, 0 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "52 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%g ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "04 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%G ", &timeptr ) == 5 ); + TESTCASE( strcmp( buffer, "1904 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 24, 11, 100, 0, 358 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "51 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 25, 11, 100, 1, 359 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "52 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 31, 11, 100, 0, 365 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "52 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%g ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "00 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%G ", &timeptr ) == 5 ); + TESTCASE( strcmp( buffer, "2000 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 1, 0, 101, 1, 0 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "01 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%g ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "01 " ) == 0 ); + TESTCASE( strftime( buffer, 100, "%G ", &timeptr ) == 5 ); + TESTCASE( strcmp( buffer, "2001 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 7, 0, 101, 7, 6 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "01 " ) == 0 ); + MKTIME( timeptr, 0, 0, 0, 8, 0, 101, 1, 7 ); + TESTCASE( strftime( buffer, 100, "%V ", &timeptr ) == 3 ); + TESTCASE( strcmp( buffer, "02 " ) == 0 ); return TEST_RESULTS; }