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nt.char.c

/*$Header: /p/tcsh/cvsroot/tcsh/win32/nt.char.c,v 1.10 2008/10/11 12:47:39 christos Exp $*/
/*-
 * Copyright (c) 1980, 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * nt.char.c : Does NLS-like stuff
 * -amol
 *
 */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdlib.h>
#include "sh.h"


static HMODULE hlangdll;


extern DWORD gdwPlatform;


unsigned char oem_it(unsigned char ch) {
      unsigned char ch1[2],ch2[2];

      ch1[0] = ch;
      ch1[1] = 0;

      OemToChar((char*)ch1,(char*)ch2);

      return ch2[0];
}
void nls_dll_unload(void) {
      FreeLibrary(hlangdll);
      hlangdll=NULL;
}
char * nt_cgets(int set, int msgnum, char *def) {

      int rc;
      int msg;
      static char oembuf[256];/*FIXBUF*/
      WCHAR buffer[256];/*FIXBUF*/



      if (!hlangdll)
            return def;

      msg = set * 10000 + msgnum;

      if (gdwPlatform == VER_PLATFORM_WIN32_WINDOWS) {
            rc = LoadString(hlangdll,msg,oembuf,sizeof(oembuf));

            if(!rc)
                  return def;
            return oembuf;
      }
      rc = LoadStringW(hlangdll,msg,buffer,ARRAYSIZE(buffer));

      if(!rc)
            return def;

      WideCharToMultiByte(CP_OEMCP,
                  0,
                  buffer,
                  -1,
                  oembuf,//winbuf,
                  256,
                  NULL,NULL);

      return oembuf;
}
#if defined(DSPMBYTE)
void nt_autoset_dspmbyte(void) {
      switch (GetConsoleCP()) {
            case 932: /* Japan */
                  setcopy(CHECK_MBYTEVAR, STRsjis, VAR_READWRITE);
                  update_dspmbyte_vars();
                  break;
      }
}

// _mbmap must be copied to the child during fork()
unsigned short _mbmap[256] = { 0 };
#endif

#undef free
void nls_dll_init(void) {

      char *ptr;
      size_t size = 0;


      if (_dupenv_s(&ptr,&size,"TCSHLANG") == 0){

            if (hlangdll)
                  FreeLibrary(hlangdll);
            hlangdll = LoadLibrary(ptr);

            free(ptr);
      }
}

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