jistojms.c File Reference

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

Include dependency graph for jistojms.c:

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Functions
unsigned int	_mbcjistojms (unsigned int c)

Function Documentation

_mbcjistojms()

unsigned int _mbcjistojms

(

unsigned int

c

)

Definition at line 32 of file jistojms.c.

{
 /* Conversion takes place only when codepage is 932.
     In all other cases, c is returned unchanged */
  if(get_mbcinfo()->mbcodepage == 932)
  {
    if(HIBYTE(c) >= 0x21 && HIBYTE(c) <= 0x7e &&
       LOBYTE(c) >= 0x21 && LOBYTE(c) <= 0x7e)
    {
      if(HIBYTE(c) % 2)
        c += 0x1f;
      else
        c += 0x7d;
 
      if(LOBYTE(c) >= 0x7F)
        c += 0x1;
 
      c = (((HIBYTE(c) - 0x21)/2 + 0x81) << 8) | LOBYTE(c);
 
      if(HIBYTE(c) > 0x9f)
        c += 0x4000;
    }
    else
      return 0; /* Codepage is 932, but c can't be converted */
  }
 
  return c;
}