mbsncat.c File Reference

#include <precomp.h>
#include <mbstring.h>
#include <string.h>

Include dependency graph for mbsncat.c:

Go to the source code of this file.

Functions
static unsigned char *	u_strncat (unsigned char *dst, const unsigned char *src, size_t len)
size_t	_mbclen2 (const unsigned int s)
unsigned char *	_mbset (unsigned char *string, int c)
unsigned char *	_mbsncat (unsigned char *dst, const unsigned char *src, size_t n)
unsigned char *	_mbsnbcat (unsigned char *dst, const unsigned char *src, size_t n)

Function Documentation

_mbclen2()

size_t _mbclen2

(

const unsigned int

s

)

Definition at line 23 of file mbclen.c.

{
  return (_ismbblead(s>>8) && _ismbbtrail(s&0x00FF)) ? 2 : 1;
}

_mbset()

unsigned char * _mbset	(	unsigned char *	string,
		int	c
	)

Definition at line 31 of file mbsupr.c.

{
    unsigned char *save = string;
 
    if (_MBIS16 (c)) {
 
    if (_MBLMASK (c) == 0) {
        *string++ = '\0';
        *string++ = '\0';
    }
    else {
        *string++ = _MBGETH (c);
        *string++ = _MBGETL (c);
    }
 
    }
    else {
 
    *string++ = c;
 
    }
 
    return save;
}

Referenced by _mbsupr().

_mbsnbcat()

unsigned char * _mbsnbcat	(	unsigned char *	dst,
		const unsigned char *	src,
		size_t	n
	)

Definition at line 59 of file mbsncat.c.

{
    MSVCRT_pthreadmbcinfo mbcinfo = get_mbcinfo();
    unsigned char *s;
 
    /* replace TRACE with ERR for debug output */
    TRACE("Src %s\n", wine_dbgstr_an((const char*)src, n));
 
    if (!dst || !src) ERR("Bad Parameter\n");
 
    if (!src && !dst && !n && !MSVCRT_CHECK_PMT(dst && src))
        return NULL;
 
    if (mbcinfo->ismbcodepage)
    {
        unsigned char *res = dst;
        while (*dst)
        {
            if (_ismbblead(*dst++))
            {
                if (*dst)
                {
                    dst++;
                }
                else
                {
                    /* as per msdn overwrite the lead byte in front of '\0' */
                    dst--;
                    break;
                }
            }
        }
        while (*src && n--) *dst++ = *src++;
        *dst = '\0';
        return res;
    }
    s = u_strncat(dst, src, n); /* ASCII CP */
    /* replace TRACE with ERR for debug output */
    TRACE("Dst %s\n", wine_dbgstr_an((const char*)dst, _mbslen(dst)));
    return s;
}

_mbsncat()

unsigned char * _mbsncat	(	unsigned char *	dst,
		const unsigned char *	src,
		size_t	n
	)

Definition at line 27 of file mbsncat.c.

{
    MSVCRT_pthreadmbcinfo mbcinfo = get_mbcinfo();
 
    if (!n)
        return dst;
 
    if (!dst || !src) ERR("Bad Parameter\n");
 
    if (mbcinfo->ismbcodepage)
    {
        unsigned char *res = dst;
        while (*dst)
        {
            if (_ismbblead(*dst++))
                dst++;
        }
        while (*src && n--)
        {
            *dst++ = *src;
            if (_ismbblead(*src++))
                *dst++ = *src++;
        }
        *dst = '\0';
        return res;
    }
    return u_strncat(dst, src, n); /* ASCII CP */
}

u_strncat()

static unsigned char * u_strncat ( unsigned char *  dst, const unsigned char *  src, size_t  len  )

inlinestatic

Definition at line 16 of file mbsncat.c.

{
  return (unsigned char*)strncat( (char*)dst, (const char*)src, len);
}

Referenced by _mbsnbcat(), and _mbsncat().