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/*
partial mbstowcs implementation:
- doesn't change *ps
- ignores n
- dest should always be NULL
- src should NOT be NULL
*/
#include "dictP.h"
#include <wchar.h>
#include <assert.h>
size_t mbstowcs__ (wchar_t *dest, const char *src, size_t n)
{
int ret = 0;
int len = 0;
int c;
assert (src); /* not implemented */
assert (!dest); /* not implemented */
while (*src){
c = *(const unsigned char *)src;
if (c <= 0x7F)
len = 1;
else if (MB_CUR_MAX__ == 1)
len = 1;
else if (c <= 0xBF)
return (size_t) -1;
else if (c <= 0xDF)
len = 2;
else if (c <= 0xEF)
len = 3;
else if (c <= 0xF7)
len = 4;
else if (c <= 0xFB)
len = 5;
else if (c <= 0xFD)
len = 6;
else
return (size_t) -1;
ret += 1;
src += len;
}
return ret;
}
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