mbtowc.c File Reference

#include <precomp.h>

Include dependency graph for mbtowc.c:

Go to the source code of this file.

Functions
int CDECL	_mbtowc_l (wchar_t *dst, const char *str, size_t n, _locale_t locale)
int CDECL	mbtowc (wchar_t *dst, const char *str, size_t n)

Function Documentation

_mbtowc_l()

int CDECL _mbtowc_l	(	wchar_t *	dst,
		const char *	str,
		size_t	n,
		_locale_t	locale
	)

Definition at line 16 of file mbtowc.c.

{
    MSVCRT_pthreadlocinfo locinfo;
    wchar_t tmpdst = '\0';
 
    if (!locale)
        locinfo = get_locinfo();
    else
        locinfo = (MSVCRT_pthreadlocinfo)(locale->locinfo);
 
    if (n <= 0 || !str)
        return 0;
 
    if (!*str) {
        if (dst) *dst = 0;
        return 0;
    }
 
    if (!locinfo->lc_codepage) {
        if (dst) *dst = (unsigned char)*str;
        return 1;
    }
    if (n >= 2 && _isleadbyte_l((unsigned char)*str, locale)) {
        if (!MultiByteToWideChar(locinfo->lc_codepage, 0, str, 2, &tmpdst, 1))
            return -1;
        if (dst) *dst = tmpdst;
        return 2;
    }
    if (!MultiByteToWideChar(locinfo->lc_codepage, 0, str, 1, &tmpdst, 1))
        return -1;
    if (dst) *dst = tmpdst;
    return 1;
}

Referenced by mbtowc().

mbtowc()

int CDECL mbtowc	(	wchar_t *	dst,
		const char *	str,
		size_t	n
	)

Definition at line 53 of file mbtowc.c.

{
    return _mbtowc_l(dst, str, n, NULL);
}