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Reactos
1/***
2*mbclen.c - Find length of MBCS character
3*
4* Copyright (c) Microsoft Corporation. All rights reserved.
5*
6*Purpose:
7* Find length of MBCS character
8*
9*******************************************************************************/
10#ifndef _MBCS
11 #error This file should only be compiled with _MBCS defined
12#endif
13
14#include <corecrt_internal_mbstring.h>
15#include <locale.h>
16
17#pragma warning(disable:__WARNING_POTENTIAL_BUFFER_OVERFLOW_NULLTERMINATED) // 26018
18
19/***
20* _mbclen - Find length of MBCS character
21*
22*Purpose:
23* Find the length of the MBCS character (in bytes).
24*
25*Entry:
26* unsigned char *c = MBCS character
27*
28*Exit:
29* Returns the number of bytes in the MBCS character
30*
31*Exceptions:
32*
33*******************************************************************************/
34
35extern "C" size_t __cdecl _mbclen_l(unsigned char const* c, _locale_t locale)
36{
37 /* Don't return two if we have leadbyte, EOS.
38 Don't assert here; too low level
39 */
40 return ((_ismbblead_l)(*c, locale) && c[1] != '\0') ? 2 : 1;
41}
42
43extern "C" size_t __cdecl _mbclen(unsigned char const* c)
44{
45 /* Don't return two if we have leadbyte, EOS.
46 Don't assert here; too low level
47 */
48 return (_ismbblead(*c) && c[1]!='\0') ? 2 : 1;
49}