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uniconctrl.c

/* Mon Oct 16 2000 Go Taniguchi <go@turbolinux.co.jp> */

#define MAIN 1

#include <stdio.h>
#include <sys/ioctl.h>
#include <linux/ioctl.h>
#include <unistd.h>

typedef struct __VtFont_T__
{
      int tty;
      int font_type;
      int input_method_notify;
} VtFont_T;

#define MAJOR_NUM 100
#define UNI_SET_CURRENT_FONT  _IOR(MAJOR_NUM, 11, VtFont_T *)
#define XL_DB_GB       0
#define XL_DB_BIG5     1
#define XL_DB_JIS      2
#define XL_DB_KSCM     3
#define XL_DB_GBK      4
#define UNIKEY_DEV      "/dev/unikey"

int SetUniconFont(int ttyNo, int FontType)
{
      VtFont_T VtFont;
      int fd, ret;

      fd = open (UNIKEY_DEV, 0);
      if (fd < 0) return -2;
      VtFont.tty = ttyNo;
      VtFont.font_type = FontType;
      VtFont.input_method_notify = 0;
      ret = ioctl(fd, UNI_SET_CURRENT_FONT, &VtFont);
      close(fd);
      return(ret);
}

#if MAIN
void PrintUseage(char *arg)
{
      fprintf(stderr, "Useage: %s <--gb or --gbk --big5 --jis --kscm> [ttyX]\n",
            arg);
}

int main(int argc, char **argv)
{
      char *tty;
      int font_type = 0, ttyNo, ret;

      if(argc != 2 && argc != 3){
            PrintUseage(argv[0]);
            exit(-2);
      }
      if (strcmp (argv[1], "--gb") == 0)
            font_type = XL_DB_GB;
      else if (strcmp (argv[1], "--gbk") == 0)
            font_type = XL_DB_GBK;
      else if (strcmp (argv[1], "--big5") == 0)
            font_type = XL_DB_BIG5;
      else if (strcmp (argv[1], "--jis") == 0)
            font_type = XL_DB_JIS;
      else if (strcmp (argv[1], "--kscm") == 0)
            font_type = XL_DB_KSCM;
      else {
            PrintUseage(argv[0]);
            exit(-2);
      }

      tty = ttyname(0);
      ttyNo = atoi(&tty[strlen(tty)-1]) - 1;
      
      if (argc == 3 && strlen(argv[2]) == 4 && strncmp("tty", argv[2], 3) == 0){
            if(argv[2][3] >= '1' && argv[2][3] <= '6')
                  ttyNo = atoi(&(argv[2][3]));
                  ttyNo--;
      }

      ret = SetUniconFont(ttyNo, font_type);

      if(ret == -2)
            fprintf(stderr, "Can't open %s\n", UNIKEY_DEV);
      if(ret == -1)
            fprintf(stderr, "Set Current Font failed.\n");
      
      return(ret);
}
#endif

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