101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
|
/**
|
||
|
* This file has no copyright assigned and is placed in the Public Domain.
|
||
|
* This file is part of the mingw-w64 runtime package.
|
||
|
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
|
||
|
*/
|
||
|
#ifndef WIN32_LEAN_AND_MEAN
|
||
|
#define WIN32_LEAN_AND_MEAN
|
||
|
#endif
|
||
|
#include "mb_wc_common.h"
|
||
|
#include <wchar.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <errno.h>
|
||
|
#include <limits.h>
|
||
|
#include <windows.h>
|
||
|
|
||
|
__attribute__((noinline))
|
||
|
static int __MINGW_ATTRIB_NONNULL(1)
|
||
|
__wcrtomb_cp (char *dst, wchar_t wc, const unsigned int cp,
|
||
|
const unsigned int mb_max)
|
||
|
{
|
||
|
if (cp == 0)
|
||
|
{
|
||
|
if (wc > 255)
|
||
|
{
|
||
|
errno = EILSEQ;
|
||
|
return -1;
|
||
|
}
|
||
|
*dst = (char) wc;
|
||
|
return 1;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
int invalid_char = 0;
|
||
|
|
||
|
int size = WideCharToMultiByte (cp, 0 /* Is this correct flag? */,
|
||
|
&wc, 1, dst, mb_max,
|
||
|
NULL, &invalid_char);
|
||
|
if (size == 0 || invalid_char)
|
||
|
{
|
||
|
errno = EILSEQ;
|
||
|
return -1;
|
||
|
}
|
||
|
return size;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
size_t
|
||
|
wcrtomb (char *dst, wchar_t wc, mbstate_t * __UNUSED_PARAM (ps))
|
||
|
{
|
||
|
char byte_bucket [MB_LEN_MAX];
|
||
|
char* tmp_dst = dst ? dst : &byte_bucket[0];
|
||
|
return (size_t)__wcrtomb_cp (tmp_dst, wc, ___lc_codepage_func(),
|
||
|
MB_CUR_MAX);
|
||
|
}
|
||
|
|
||
|
size_t wcsrtombs (char *dst, const wchar_t **src, size_t len,
|
||
|
mbstate_t * __UNUSED_PARAM (ps))
|
||
|
{
|
||
|
int ret = 0;
|
||
|
size_t n = 0;
|
||
|
const unsigned int cp = ___lc_codepage_func();
|
||
|
const unsigned int mb_max = MB_CUR_MAX;
|
||
|
const wchar_t *pwc = *src;
|
||
|
|
||
|
if (src == NULL || *src == NULL) /* undefined behavior */
|
||
|
return 0;
|
||
|
|
||
|
if (dst != NULL)
|
||
|
{
|
||
|
while (n < len)
|
||
|
{
|
||
|
if ((ret = __wcrtomb_cp (dst, *pwc, cp, mb_max)) <= 0)
|
||
|
return (size_t) -1;
|
||
|
n += ret;
|
||
|
dst += ret;
|
||
|
if (*(dst - 1) == '\0')
|
||
|
{
|
||
|
*src = (wchar_t *) NULL;
|
||
|
return (n - 1);
|
||
|
}
|
||
|
pwc++;
|
||
|
}
|
||
|
*src = pwc;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
char byte_bucket [MB_LEN_MAX];
|
||
|
while (1)
|
||
|
{
|
||
|
if ((ret = __wcrtomb_cp (&byte_bucket[0], *pwc, cp, mb_max)) <= 0)
|
||
|
return (size_t) -1;
|
||
|
n += ret;
|
||
|
if (byte_bucket [ret - 1] == '\0')
|
||
|
return (n - 1);
|
||
|
pwc++;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return n;
|
||
|
}
|