strtime.cpp File Reference

#include <corecrt_internal_securecrt.h>
#include <corecrt_internal_time.h>

Include dependency graph for strtime.cpp:

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Functions
template<typename Character >
	_Success_ (buffer !=0 &&size_in_chars >=9) static errno_t __cdecl common_strtime_s(_Out_writes_z_(size_in_chars) Character *const buffer
_In_	_In_range_ (>=, 9) size_t const size_in_chars) throw ()
errno_t __cdecl	_strtime_s (char *const buffer, size_t const size_in_chars)
errno_t __cdecl	_wstrtime_s (wchar_t *const buffer, size_t const size_in_chars)
char *__cdecl	_strtime (char *const buffer)
wchar_t *__cdecl	_wstrtime (wchar_t *const buffer)

Function Documentation

_In_range_()

_In_ _In_range_	(	>=	,
		9
	)		const
throw	(
	)

Definition at line 21 of file strtime.cpp.

{
    _VALIDATE_RETURN_ERRCODE(buffer != nullptr && size_in_chars > 0, EINVAL);
    _RESET_STRING(buffer, size_in_chars);
    _VALIDATE_RETURN_ERRCODE(size_in_chars >= 9, ERANGE);
 
    SYSTEMTIME local_time;
    GetLocalTime(&local_time);
 
    int const hours   = local_time.wHour;
    int const minutes = local_time.wMinute;
    int const seconds = local_time.wSecond;
 
    static Character const zero_char = static_cast<Character>('0');
 
#pragma warning(disable:__WARNING_INCORRECT_VALIDATION) // 26014 Prefast doesn't notice the validation.
 
    // Store the components of the date into the string in HH:MM:SS form:
    buffer[0] = static_cast<Character>(hours   / 10 + zero_char); // Tens of hour
    buffer[1] = static_cast<Character>(hours   % 10 + zero_char); // Units of hour
    buffer[2] = static_cast<Character>(':');
    buffer[3] = static_cast<Character>(minutes / 10 + zero_char); // Tens of minute
    buffer[4] = static_cast<Character>(minutes % 10 + zero_char); // Units of minute
    buffer[5] = static_cast<Character>(':');
    buffer[6] = static_cast<Character>(seconds / 10 + zero_char); // Tens of second
    buffer[7] = static_cast<Character>(seconds % 10 + zero_char); // Units of second
    buffer[8] = static_cast<Character>('\0');
 
    return 0;
}

_strtime()

char *__cdecl _strtime

(

char *const

buffer

)

Definition at line 80 of file strtime.cpp.

{
    return common_strtime(buffer);
}

_strtime_s()

errno_t __cdecl _strtime_s	(	char *const	buffer,
		size_t const	size_in_chars
	)

Definition at line 53 of file strtime.cpp.

{
    return common_strtime_s(buffer, size_in_chars);
}

_Success_()

template<typename Character >

_Success_

(

buffer !

= 0 && size_in_chars >= 9

)

const

Definition at line 69 of file strtime.cpp.

{
    errno_t const status = common_strtime_s(buffer, 9);
    if (status != 0)
        return nullptr;
 
    return buffer;
}

_wstrtime()

wchar_t *__cdecl _wstrtime

(

wchar_t *const

buffer

)

Definition at line 85 of file strtime.cpp.

{
    return common_strtime(buffer);
}

_wstrtime_s()

errno_t __cdecl _wstrtime_s	(	wchar_t *const	buffer,
		size_t const	size_in_chars
	)

Definition at line 58 of file strtime.cpp.

{
    return common_strtime_s(buffer, size_in_chars);
}