%% options copyright owner = Dirk Krause copyright year = 2015-xxxx license = bsd %% header /** @file Convert timestamp to wchar_t string, timestamp either given as set of components (year, month, day, hour, minute, second), as pointer to struct tm or as dk4_time_t value. */ #ifndef DK4CONF_H_INCLUDED #include "dk4conf.h" #endif #ifndef DK4TYPES_H_INCLUDED #include "dk4types.h" #endif #ifndef DK4ERROR_H_INCLUDED #include "dk4error.h" #endif #ifndef DK4TIME_H_INCLUDED #include "dk4time.h" #endif #ifndef DK4TIMEC_H_INCLUDED #include "dk4timec.h" #endif #ifdef __cplusplus extern "C" { #endif /** Convert timestamp to wchar_t string. CRT on Windows: Optional. @param dptr Destination buffer address. @param dsz Destination buffer size (number of wchar_t). @param format Output format: DK4_TIMEFORMAT_DATE_TIME for sortable date/time combination yyyy-mm-dd hh:mm:ss (default), DK4_TIMEFORMAT_DATE_SORTABLE for sortable date yyyy-mm-dd, DK4_TIMEFORMAT_DATE_ENGLISH for English style date mm/dd/yyyy, DK4_TIMEFORMAT_DATE_GERMAN for German style date dd.mm.yyyy. @param year Year. @param month Month (1 to 12). @param mday Day within month (1 to 31). @param hour Hour of day (0 to 23). @param min Minute within hour (0 to 59). @param sec Second within minute (0 to 59). @param erp Error report, may be NULL. @return 1 on success, 0 on error. Error codes: - DK4_E_INVALID_ARGUMENTS
if dptr is NULL or dsz is 0, - DK4_E_BUFFER_TOO_SMALL
if the buffer is too small. */ int dk4time_to_text_wc( wchar_t *dptr, size_t dsz, int format, unsigned short year, unsigned short month, unsigned short mday, unsigned short hour, unsigned short min, unsigned short sec, dk4_er_t *erp ); /** Create text representation for a struct tm. CRT on Windows: Optional. @param dptr Destination buffer address. @param dsz Destination buffer size (number of wchar_t). @param tm Struct to convert. @param erp Error report, may be NULL. @return 1 on success, 0 on error. Error codes: - DK4_E_INVALID_ARGUMENTS
if dptr is NULL or dsz is 0, - DK4_E_BUFFER_TOO_SMALL
if the buffer is too small. */ int dk4time_convert_to_text_wc( wchar_t *dptr, size_t dsz, const struct tm *tm, dk4_er_t *erp ); /** Create text representation for timestamp. CRT on Windows: Required. @param dptr Destination buffer address. @param dsz Destination buffer size (number of wchar_t). @param timer Timestamp to convert. @param erp Error report, may be NULL. @return 1 on success, 0 on error. Error codes: - DK4_E_INVALID_ARGUMENTS
if dptr is NULL or dsz is 0, - DK4_E_BUG
if an internal conversion function fails, - DK4_E_BUFFER_TOO_SMALL
if the buffer is too small. */ int dk4time_as_text_wc( wchar_t *dptr, size_t dsz, const dk4_time_t *timer, dk4_er_t *erp ); #ifdef __cplusplus } #endif %% module #include "dk4timewc.h" #ifndef DK4TIME08_H_INCLUDED #include "dk4time08.h" #endif #ifndef DK4REC23_H_INCLUDED #include "dk4rec23.h" #endif int dk4time_to_text_wc( wchar_t *dptr, size_t dsz, int format, unsigned short year, unsigned short month, unsigned short mday, unsigned short hour, unsigned short min, unsigned short sec, dk4_er_t *erp ) { char buffer[64]; int back = 0; back = dk4time_to_text_c8( buffer, sizeof(buffer), format, year, month, mday, hour, min, sec, erp ); if (0 != back) { back = dk4recode_char_to_wchar_t(dptr, dsz, buffer, erp); } return back; } int dk4time_convert_to_text_wc( wchar_t *dptr, size_t dsz, const struct tm *tm, dk4_er_t *erp ) { int back = 0; if ((NULL != dptr) && (0 < dsz)) { *dptr = L'\0'; if (NULL != tm) { back = dk4time_to_text_wc( dptr, dsz, DK4_TIMEFORMAT_DATE_TIME, (1900 + tm->tm_year), (1 + tm->tm_mon), tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, erp ); } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; } static int dk4time_i_as_text_wc( wchar_t *dptr, size_t dsz, const dk4_time_t *timer, dk4_er_t *erp ) { #if DK4_ON_WINDOWS /* +++ Windows */ struct tm lct; int back = 0; if (0 == _localtime64_s(&lct, timer)) { back = dk4time_convert_to_text_wc(dptr, dsz, &lct, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUG); } return back; /* --- Windows */ #else /* +++ non-Windows */ #if DK4_HAVE_LOCALTIME_R struct tm lct; int back = 0; if (NULL != localtime_r(timer, &lct)) { back = dk4time_convert_to_text_wc(dptr, dsz, &lct, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUG); } return back; #else dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED); return 0; #endif /* --- non-Windows */ #endif } int dk4time_as_text_wc( wchar_t *dptr, size_t dsz, const dk4_time_t *timer, dk4_er_t *erp ) { int back = 0; if ((dptr != NULL) && (0 < dsz)) { *dptr = L'\0'; if (NULL != timer) { back = dk4time_i_as_text_wc(dptr, dsz, timer, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; }