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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* COPYRIGHT: LGPL, See LGPL.txt in the top level directory
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* PROJECT: ReactOS CRT library
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* FILE: lib/sdk/crt/time/ctime.c
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* PURPOSE: Implementation of ctime, _ctime_s
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* PROGRAMERS: Timo Kreuzer
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*/
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#define MINGW_HAS_SECURE_API 1
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#include <tchar.h>
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#include <time.h>
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#include "bitsfixup.h"
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#define EINVAL -1
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/* Doesn't really exist, but we need it here */
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_CRTIMP errno_t __cdecl localtime_s(struct tm *_Tm,const time_t *_Time);
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/******************************************************************************
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* \name _tctime_s
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* \brief Converts a time_t value into a string.
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* \param buffer Buffer that receives the string (26 characters).
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* \param numberOfElements Size of the buffer in characters.
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* \param time Pointer to the UTC time.
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*/
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errno_t
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_tctime_s(_TCHAR *buffer, size_t numberOfElements, const time_t *time)
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{
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struct tm _tm;
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if (localtime_s(&_tm, time) == EINVAL)
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{
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return EINVAL;
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}
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return _tasctime_s(buffer, numberOfElements, &_tm);
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}
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/******************************************************************************
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* \name _tctime
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* \brief Converts a time_t value into a string and returns a pointer to it.
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* \param time Pointer to the UTC time.
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* \remarks The string is stored in thread local buffer, shared between
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* ctime, gmtime and localtime (both 32 and 64 bit versions).
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*/
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_TCHAR *
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_tctime(const time_t *ptime)
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{
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struct tm *ptm = localtime(ptime);
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if (!ptm)
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{
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return 0;
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}
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return _tasctime(ptm);
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}
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