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Rev 426 Rev 533
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/*
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/*
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 * chcp
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 * chcp
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 */
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 */
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static int cmd_chcp(struct cmd_funcparam *p) {
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static enum cmd_result cmd_chcp(struct cmd_funcparam *p) {
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  unsigned short nnn = 0;
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  unsigned short nnn = 0;
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  unsigned short errcode = 0;
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  unsigned short errcode = 0;
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  if (cmd_ishlp(p)) {
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  if (cmd_ishlp(p)) {
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    outputnl("Displays or sets the active code page number");
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    outputnl("Displays or sets the active code page number");
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    outputnl("CHCP [nnn]");
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    outputnl("CHCP [nnn]");
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    outputnl("");
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    outputnl("");
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    outputnl("nnn  Specifies a code page number");
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    outputnl("nnn  Specifies a code page number");
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    outputnl("");
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    outputnl("");
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    outputnl("Type CHCP without a parameter to display the active code page number.");
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    outputnl("Type CHCP without a parameter to display the active code page number.");
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    return(-1);
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    return(CMD_OK);
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  }
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  }
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  /* too many parameters */
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  /* too many parameters */
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  if (p->argc > 1) {
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  if (p->argc > 1) {
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    outputnl("Too many parameters");
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    outputnl("Too many parameters");
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    return(-1);
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    return(CMD_FAIL);
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  }
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  }
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  /* one param? must be numeric in range 1+ */
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  /* one param? must be numeric in range 1+ */
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  if (p->argc == 1) {
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  if (p->argc == 1) {
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    unsigned char nlsfuncflag = 0;
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    unsigned char nlsfuncflag = 0;
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    if (atous(&nnn, p->argv[0]) != 0) {
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    if (atous(&nnn, p->argv[0]) != 0) {
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      outputnl("Invalid code page number");
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      outputnl("Invalid code page number");
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      return(-1);
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      return(CMD_FAIL);
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    }
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    }
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    _asm {
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    _asm {
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      /* verify that NLSFUNC is installed */
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      /* verify that NLSFUNC is installed */
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      push ax
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      push ax
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      push bx
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      push bx
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    }
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    }
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    if (nlsfuncflag == 0) {
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    if (nlsfuncflag == 0) {
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      outputnl("NLSFUNC not installed");
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      outputnl("NLSFUNC not installed");
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    } else if (errcode != 0) {
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    } else if (errcode != 0) {
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      outputnl("Failed to change code page");
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      outputnl("Failed to change code page");
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      return(CMD_FAIL);
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    }
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    }
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  } else { /* no parameter given: display active code page */
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  } else { /* no parameter given: display active code page */
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    _asm {
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    _asm {
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    if (errcode == 0) {
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    if (errcode == 0) {
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      sprintf(p->BUFFER, "Active code page: %d", nnn);
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      sprintf(p->BUFFER, "Active code page: %d", nnn);
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      outputnl(p->BUFFER);
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      outputnl(p->BUFFER);
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    } else {
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    } else {
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      outputnl(doserr(errcode));
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      outputnl(doserr(errcode));
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      return(CMD_FAIL);
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    }
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    }
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  }
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  }
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  return(-1);
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  return(CMD_OK);
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}
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}