WebSVN – SvarDOS – Diff – /install/trunk/install.c


/*
 * SVARDOS INSTALL PROGRAM
 *
 * PUBLISHED UNDER THE TERMS OF THE MIT LICENSE
 *
 * COPYRIGHT (C) 2016-2024 MATEUSZ VISTE, ALL RIGHTS RESERVED.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * http://svardos.org
 */
 
#include <dos.h>
#include <direct.h>  /* mkdir() */
#include <stdio.h>   /* printf() and friends */
#include <stdlib.h>  /* system() */
#include <string.h>  /* memcpy() */
#include <unistd.h>
 
#include "mdr\cout.h"
#include "mdr\dos.h"
#include "svarlang.lib\svarlang.h"
 
/* keyboard layouts and locales */
#include "keylay.h"
#include "keyoff.h"
 
/* prototype of the int24hdl() function defined in int24hdl.asm */
void int24hdl(void);
 
 
/* color scheme (preset for color) */
static unsigned char COLOR_TITLEBAR  = 0x70;
static unsigned char COLOR_BODY      = 0x17;
static unsigned char COLOR_SELECT    = 0x70;
static unsigned char COLOR_SELECTCUR = 0x1F;
 
 
/* how much disk space does SvarDOS require (in MiB) */
#define SVARDOS_DISK_REQ 8
 
/* menu screens can output only one of these: */
#define MENUNEXT 0
#define MENUPREV -1
#define MENUQUIT -2
 
/* a convenience 'function' used for debugging */
#define DBG(x) { video_putstringfix(24, 0, 0x4F00u, x, 80); }
 
struct slocales {
  char lang[4];
  const char *keybcode;
  unsigned int codepage;
  int egafile;
  int keybfile;
  int keyboff;
  int keyblen;
  unsigned int keybid;
};
 
 
/* put a string on screen and fill it until w chars with whilte space */
static void video_putstringfix(unsigned char y, unsigned char x, unsigned char attr, const char *s, unsigned char w) {
  unsigned char i;
 
  /* print the string up to w characters */
  i = mdr_cout_str(y, x, s, attr, w);
 
  /* fill in left space (if any) with blanks */
  mdr_cout_char_rep(y, x + i, ' ', attr, w - i);
}
 
 
/* reboot the computer */
static void reboot(void) {
  void ((far *bootroutine)()) = (void (far *)()) 0xFFFF0000L;
  int far *rstaddr = (int far *)0x00400072L; /* BIOS boot flag is at 0040:0072 */
  *rstaddr = 0x1234; /* 0x1234 = warm boot, 0 = cold boot */
  (*bootroutine)(); /* jump to the BIOS reboot routine at FFFF:0000 */
}
 
 
/* outputs a string to screen with taking care of word wrapping. returns amount of lines. */
static unsigned char putstringwrap(unsigned char y, unsigned char x, unsigned char attr, const char *s) {
  unsigned char linew, lincount;
  linew = 80 - (x << 1);
 
  for (lincount = 1; y+lincount < 25; lincount++) {
    int i, len = linew;
    for (i = 0; i <= linew; i++) {
      if (s[i] == ' ') len = i;
      if (s[i] == '\n') {
        len = i;
        break;
      }
      if (s[i] == 0) {
        len = i;
        break;
      }
    }
    mdr_cout_str(y++, x, s, attr, len);
    s += len;
    if (*s == 0) break;
    s += 1; /* skip the whitespace char */
  }
  return(lincount);
}
 
 
/* an NLS wrapper around video_putstring(), also performs line wrapping when
 * needed. returns the amount of lines that were output */
static unsigned char putstringnls(unsigned char y, unsigned char x, unsigned char attr, unsigned char nlsmaj, unsigned char nlsmin) {
  const char *s = svarlang_str(nlsmaj, nlsmin);
  if (s == NULL) s = "";
  return(putstringwrap(y, x, attr, s));
}
 
 
/* copy file f1 to f2 using buff as a buffer of buffsz bytes. f2 will be overwritten if it
 * exists already! returns 0 on success. */
static int fcopy(const char *f2, const char *f1, void *buff, size_t buffsz) {
  FILE *fd1, *fd2;
  size_t sz;
  int res = -1; /* assume failure */
 
  /* open files */
  fd1 = fopen(f1, "rb");
  fd2 = fopen(f2, "wb");
  if ((fd1 == NULL) || (fd2 == NULL)) goto QUIT;
 
  /* copy data */
  for (;;) {
    sz = fread(buff, 1, buffsz, fd1);
    if (sz == 0) {
      if (feof(fd1) != 0) break;
      goto QUIT;
    }
    if (fwrite(buff, 1, sz, fd2) != sz) goto QUIT;
  }
 
  res = 0; /* success */
 
  QUIT:
  if (fd1 != NULL) fclose(fd1);
  if (fd2 != NULL) fclose(fd2);
  return(res);
}
 
 
static int menuselect(unsigned char ypos, unsigned char height, const char **list, int maxlistlen) {
  int i, offset = 0, res = 0, count;
  unsigned char y, xpos, width = 0;
 
  /* count how many positions there is, and check their width */
  for (count = 0; (list[count] != NULL) && (count != maxlistlen); count++) {
    int len = strlen(list[count]);
    if (len > width) width = len;
  }
 
  /* if xpos negative, means 'center out' */
  xpos = 39 - (width >> 1);
 
  mdr_cout_char(ypos, xpos+width+2, 0xBF, COLOR_SELECT);         /*       \ */
  mdr_cout_char(ypos, xpos-1, 0xDA, COLOR_SELECT);               /*  /      */
  mdr_cout_char(ypos+height-1, xpos-1, 0xC0, COLOR_SELECT);      /*  \      */
  mdr_cout_char(ypos+height-1, xpos+width+2, 0xD9, COLOR_SELECT);/*      /  */
  mdr_cout_char_rep(ypos, xpos, 0xC4, COLOR_SELECT, width + 2);
  mdr_cout_char_rep(ypos+height-1, xpos, 0xC4, COLOR_SELECT, width + 2);
 
  for (y = ypos + 1; y < (ypos + height - 1); y++) {
    mdr_cout_char(y, xpos-1, 0xB3, COLOR_SELECT);
    mdr_cout_char(y, xpos+width+2, 0xB3, COLOR_SELECT);
  }
 
  for (;;) {
    int key;
    /* list of selectable items */
    for (i = 0; i < height - 2; i++) {
      if (i + offset == res) {
        mdr_cout_char(ypos + 1 + i, xpos, 16, COLOR_SELECTCUR);
        mdr_cout_char(ypos + 1 + i, xpos+width+1, 17, COLOR_SELECTCUR);
        mdr_cout_locate(ypos + 1 + i, xpos);
        video_putstringfix(ypos + 1 + i, xpos+1, COLOR_SELECTCUR, list[i + offset], width);
      } else if (i + offset < count) {
        mdr_cout_char(ypos + 1 + i, xpos, ' ', COLOR_SELECT);
        mdr_cout_char(ypos + 1 + i, xpos+width+1, ' ', COLOR_SELECT);
        video_putstringfix(ypos + 1 + i, xpos+1, COLOR_SELECT, list[i + offset], width);
      } else {
        mdr_cout_char_rep(ypos + 1 + i, xpos, ' ', COLOR_SELECT, width+2);
      }
    }
    key = mdr_dos_getkey();
    if (key == 0x0D) { /* ENTER */
      return(res);
    } else if (key == 0x148) { /* up */
      if (res > 0) {
        res--;
        if (res < offset) offset = res;
      }
    } else if (key == 0x150) { /* down */
      if (res+1 < count) {
        res++;
        if (res > offset + height - 3) offset = res - (height - 3);
      }
    } else if (key == 0x147) { /* home */
      res = 0;
      offset = 0;
    } else if (key == 0x14F) { /* end */
      res = count - 1;
      if (res > offset + height - 3) offset = res - (height - 3);
    } else if (key == 0x1B) {  /* ESC */
      return(-1);
    }/* else {
      char buf[8];
      snprintf(buf, sizeof(buf), "0x%02X ", key);
      video_putstring(1, 0, COLOR_BODY, buf, -1);
    }*/
  }
}
 
static void newscreen(unsigned char statusbartype) {
  const char *msg;
  mdr_cout_cls(COLOR_BODY);
  msg = svarlang_strid(0x00); /* "SVARDOS INSTALLATION" */
  mdr_cout_char_rep(0, 0, ' ', COLOR_TITLEBAR, 80);
  mdr_cout_str(0, 40 - (strlen(msg) >> 1), msg, COLOR_TITLEBAR, 80);
  switch (statusbartype) {
    case 1:
      msg = svarlang_strid(0x000B); /* "Up/Down = Select entry | Enter = Validate your choice | ESC = Quit to DOS" */
      break;
    case 2:
      msg = svarlang_strid(0x0005); /* "Press any key..." */
      break;
    case 3:
      msg = "";
      break;
    default:
      msg = svarlang_strid(0x000A); /* "Up/Down = Select entry | Enter = Validate your choice | ESC = Previous screen" */
      break;
  }
  mdr_cout_char(24, 0, ' ', COLOR_TITLEBAR);
  video_putstringfix(24, 1, COLOR_TITLEBAR, msg, 79);
  mdr_cout_locate(25,0);
}
 
/* fills a slocales struct accordingly to the value of its keyboff member */
static void kblay2slocal(struct slocales *locales) {
  const char *m;
  for (m = kblayouts[locales->keyboff]; *m != 0; m++); /* skip layout name */
  m++;
  /* skip keyb code and copy it to locales.keybcode */
  locales->keybcode = m;
  for (; *m != 0; m++);
  /* */
  locales->codepage = ((unsigned short)m[1] << 8) | m[2];
  locales->egafile = m[3];
  locales->keybfile = m[4];
  locales->keybid = ((unsigned short)m[5] << 8) | m[6];
}
 
static int selectlang(struct slocales *locales) {
  int choice, x;
  const char *msg;
  const char *langlist[] = {
    "English",
    "Brazilian",
    "French",
    "German",
    "Italian",
    "Polish",
    "Russian",
    "Slovene",
    "Swedish",
    "Turkish",
    NULL
  };
 
  newscreen(1);
  msg = svarlang_strid(0x0100); /* "Welcome to SvarDOS" */
  x = 40 - (strlen(msg) >> 1);
  mdr_cout_str(4, x, msg, COLOR_BODY, 80);
  mdr_cout_char_rep(5, x, '=', COLOR_BODY, strlen(msg));
 
  /* center out the string "Please select your language..." */
  msg = svarlang_str(1, 1); /* "Please select your language from the list below:" */
  if (strlen(msg) > 74) {
    putstringwrap(8, 1, COLOR_BODY, msg);
  } else {
    mdr_cout_str(8, 40 - (strlen(msg) / 2), msg, COLOR_BODY, 80);
  }
 
  choice = menuselect(11, 11, langlist, -1);
  if (choice < 0) return(MENUPREV);
  /* populate locales with default values */
  memset(locales, 0, sizeof(struct slocales));
  switch (choice) {
    case 1:
      strcpy(locales->lang, "BR");
      locales->keyboff = OFFLOC_BR;
      locales->keyblen = OFFLEN_BR;
      break;
    case 2:
      strcpy(locales->lang, "FR");
      locales->keyboff = OFFLOC_FR;
      locales->keyblen = OFFLEN_FR;
      break;
    case 3:
      strcpy(locales->lang, "DE");
      locales->keyboff = OFFLOC_DE;
      locales->keyblen = OFFLEN_DE;
      break;
    case 4:
      strcpy(locales->lang, "IT");
      locales->keyboff = OFFLOC_IT;
      locales->keyblen = OFFLEN_IT;
      break;
    case 5:
      strcpy(locales->lang, "PL");
      locales->keyboff = OFFLOC_PL;
      locales->keyblen = OFFLEN_PL;
      break;
    case 6:
      strcpy(locales->lang, "RU");
      locales->keyboff = OFFLOC_RU;
      locales->keyblen = OFFLEN_RU;
      break;
    case 7:
      strcpy(locales->lang, "SI");
      locales->keyboff = OFFLOC_SI;
      locales->keyblen = OFFLEN_SI;
      break;
    case 8:
      strcpy(locales->lang, "SV");
      locales->keyboff = OFFLOC_SV;
      locales->keyblen = OFFLEN_SV;
      break;
    case 9:
      strcpy(locales->lang, "TR");
      locales->keyboff = OFFLOC_TR;
      locales->keyblen = OFFLEN_TR;
      break;
    default:
      strcpy(locales->lang, "EN");
      locales->keyboff = 0;
      locales->keyblen = OFFCOUNT;
      break;
  }
  /* populate the slocales struct accordingly to the keyboff member */
  kblay2slocal(locales);
  /* */
  return(MENUNEXT);
}
 
 
static int selectkeyb(struct slocales *locales) {
  int menuheight, choice;
  if (locales->keyblen == 1) return(MENUNEXT); /* do not ask for keyboard layout if only one is available for given language */
  newscreen(0);
  putstringnls(5, 1, COLOR_BODY, 1, 5); /* "SvarDOS supports different keyboard layouts */
  menuheight = locales->keyblen + 2;
  if (menuheight > 13) menuheight = 13;
  choice = menuselect(10, menuheight, &(kblayouts[locales->keyboff]), locales->keyblen);
  if (choice < 0) return(MENUPREV);
  /* (re)load the keyboard layout & codepage setup */
  locales->keyboff += choice;
  kblay2slocal(locales);
  return(MENUNEXT);
}
 
 
/* returns 0 if installation must proceed, non-zero otherwise */
static int welcomescreen(void) {
  int c;
  const char *choice[3];
  choice[0] = svarlang_strid(0x0001);
  choice[1] = svarlang_strid(0x0002);
  choice[2] = NULL;
  newscreen(0);
  putstringnls(4, 1, COLOR_BODY, 2, 0); /* "You are about to install SvarDOS */
  c = menuselect(13, 4, choice, -1);
  if (c < 0) return(MENUPREV);
  if (c == 0) return(MENUNEXT);
  return(MENUQUIT);
}
 
 
/* returns 1 if drive is removable, 0 if not, -1 on error */
static int isdriveremovable(int drv) {
  union REGS r;
  r.x.ax = 0x4408;
  r.h.bl = drv;
  int86(0x21, &r, &r);
  /* CF set on error, AX set to 0 if removable, 1 if fixed */
  if (r.x.cflag != 0) return(-1);
  if (r.x.ax == 0) return(1);
  return(0);
}
 
 
/* returns total disk space of drive drv (in MiB, max 2048), or -1 if drive invalid */
static int disksize(int drv) {
  long res;
  union REGS r;
  r.h.ah = 0x36; /* DOS 2+ get free disk space */
  r.h.dl = drv;  /* A=1, B=2, etc */
  int86(0x21, &r, &r);
  if (r.x.ax == 0xffffu) return(-1); /* AX set to FFFFh if drive invalid */
  res = r.x.ax;  /* sectors per cluster */
  res *= r.x.dx; /* dx contains total clusters, bx contains free clusters */
  res *= r.x.cx; /* bytes per sector */
  res >>= 20;    /* convert bytes to MiB */
  return(res);
}
 
 
/* returns 0 if disk is empty, non-zero otherwise */
static int diskempty(int drv) {
  unsigned int rc;
  int res;
  char buff[8];
  struct find_t fileinfo;
  snprintf(buff, sizeof(buff), "%c:\\*.*", 'A' + drv - 1);
  rc = _dos_findfirst(buff, _A_NORMAL | _A_SUBDIR | _A_HIDDEN | _A_SYSTEM, &fileinfo);
  if (rc == 0) {
    res = 1; /* call successfull means disk is not empty */
  } else {
    res = 0;
  }
  /* _dos_findclose(&fileinfo); */ /* apparently required only on OS/2 */
  return(res);
}
 
#ifdef DEADCODE
/* set new DOS "current drive" to drv ('A', 'B', etc). returns 0 on success */
static int set_cur_drive(char drv) {
  union REGS r;
  if ((drv < 'A') || (drv > 'Z')) return(-1);
  r.h.ah = 0x0E; /* DOS 1+ SELECT DEFAULT DRIVE */
  r.h.dl = drv - 'A';
  int86(0x21, &r, &r);
  if (r.h.al < drv - 'A') return(-1);
  return(0);
}
#endif
 
 
/* get the DOS "current drive" (0=A:, 1=B:, etc) */
static int get_cur_drive(void) {
  union REGS r;
  r.h.ah = 0x19; /* DOS 1+ GET CURRENT DEFAULT DRIVE */
  int86(0x21, &r, &r);
  return(r.h.al);
}
 
 
/* returns 0 if file exists, non-zero otherwise */
static int fileexists(const char *fname) {
  FILE *fd;
  fd = fopen(fname, "rb");
  if (fd == NULL) return(-1);
  fclose(fd);
  return(0);
}
 
 
/* tries to write an empty file to drive.
 * asks DOS to inhibit the int 24h handler for this job, so erros are
 * gracefully reported - unfortunately this does not work under FreeDOS because
 * the DOS-C kernel does not implement the required flag.
 * returns 0 on success (ie. "disk exists and is writeable"). */
static unsigned short test_drive_write(char drive, char *buff) {
  unsigned short result = 0;
  sprintf(buff, "%c:\\SVWRTEST.123", drive);
  _asm {
    push ax
    push bx
    push cx
    push dx
 
    mov ah, 0x6c   /* extended open/create file */
    mov bx, 0x2001 /* open for write + inhibit int 24h handler */
    xor cx, cx     /* file attributes on the created file */
    mov dx, 0x0010 /* create file if does not exist, fail if it exists */
    mov si, buff   /* filename to create */
    int 0x21
    jc FAILURE
    /* close the file (handle in AX) */
    mov bx, ax
    mov ah, 0x3e /* close file */
    int 0x21
    jc FAILURE
    /* delete the file */
    mov ah, 0x41 /* delete file pointed out by DS:DX */
    mov dx, buff
    int 0x21
    jnc DONE
 
    FAILURE:
    mov result, ax
    DONE:
 
    pop dx
    pop cx
    pop bx
    pop ax
  }
  return(result);
}
 
 
static int preparedrive(char sourcedrv) {
  int driveremovable;
  int selecteddrive = 3; /* default to 'C:' */
  int cselecteddrive;
  int ds;
  int choice;
  char buff[1024];
  int driveid = 1; /* fdisk runs on first drive (unless USB boot) */
  if (selecteddrive == get_cur_drive() + 1) { /* get_cur_drive() returns 0-based values (A=0) while selecteddrive is 1-based (A=1) */
    selecteddrive = 4; /* use D: if install is run from C: (typically because it was booted from USB?) */
    driveid = 2; /* primary drive is the emulated USB storage */
  }
  cselecteddrive = 'A' + selecteddrive - 1;
  for (;;) {
    driveremovable = isdriveremovable(selecteddrive);
    if (driveremovable < 0) {
      const char *list[4];
      newscreen(0);
      list[0] = svarlang_str(0, 3); /* Create a partition automatically */
      list[1] = svarlang_str(0, 4); /* Run the FDISK tool */
      list[2] = svarlang_str(0, 2); /* Quit to DOS */
      list[3] = NULL;
      snprintf(buff, sizeof(buff), svarlang_strid(0x0300), cselecteddrive, SVARDOS_DISK_REQ); /* "ERROR: Drive %c: could not be found. Note, that SvarDOS requires at least %d MiB of available disk space */
      switch (menuselect(6 + putstringwrap(4, 1, COLOR_BODY, buff), 5, list, -1)) {
        case 0:
          sprintf(buff, "FDISK /PRI:MAX %d", driveid);
          system(buff);
          break;
        case 1:
          mdr_cout_cls(0x07);
          mdr_cout_locate(0, 0);
          sprintf(buff, "FDISK %d", driveid);
          system(buff);
          break;
        case 2:
          return(MENUQUIT);
        default:
          return(-1);
      }
      /* write a temporary MBR which only skips the drive (in case BIOS would
       * try to boot off the not-yet-ready C: disk) */
      sprintf(buff, "FDISK /LOADIPL %d", driveid);
      system(buff); /* writes BOOT.MBR into actual MBR */
      newscreen(2);
      putstringnls(10, 10, COLOR_BODY, 3, 1); /* "Your computer will reboot now." */
      putstringnls(12, 10, COLOR_BODY, 0, 5); /* "Press any key..." */
      mdr_dos_getkey();
      reboot();
      return(MENUQUIT);
    } else if (driveremovable > 0) {
      newscreen(2);
      snprintf(buff, sizeof(buff), svarlang_strid(0x0302), cselecteddrive); /* "ERROR: Drive %c: is a removable device */
      mdr_cout_str(9, 1, buff, COLOR_BODY, 80);
      putstringnls(11, 2, COLOR_BODY, 0, 5); /* "Press any key..." */
      return(MENUQUIT);
    }
    /* if not formatted, propose to format it right away (try to create a directory) */
    if (test_drive_write(cselecteddrive, buff) != 0) {
      const char *list[3];
      newscreen(0);
      snprintf(buff, sizeof(buff), svarlang_str(3, 3), cselecteddrive); /* "ERROR: Drive %c: seems to be unformated. Do you wish to format it?") */
      mdr_cout_str(7, 1, buff, COLOR_BODY, 80);
 
      snprintf(buff, sizeof(buff), svarlang_strid(0x0007), cselecteddrive); /* "Format drive %c:" */
      list[0] = buff;
      list[1] = svarlang_strid(0x0002); /* "Quit to DOS" */
      list[2] = NULL;
 
      choice = menuselect(12, 4, list, -1);
      if (choice < 0) return(MENUPREV);
      if (choice == 1) return(MENUQUIT);
      mdr_cout_cls(0x07);
      mdr_cout_locate(0, 0);
      snprintf(buff, sizeof(buff), "FORMAT %c: /Q /U /Z:seriously /V:SVARDOS", cselecteddrive);
      system(buff);
      continue;
    }
    /* check total disk space */
    ds = disksize(selecteddrive);
    if (ds < SVARDOS_DISK_REQ) {
      int y = 9;
      newscreen(2);
      snprintf(buff, sizeof(buff), svarlang_strid(0x0304), cselecteddrive, SVARDOS_DISK_REQ); /* "ERROR: Drive %c: is not big enough! SvarDOS requires a disk of at least %d MiB." */
      y += putstringwrap(y, 1, COLOR_BODY, buff);
      putstringnls(++y, 1, COLOR_BODY, 0, 5); /* "Press any key..." */
      mdr_dos_getkey();
      return(MENUQUIT);
    }
    /* is the disk empty? */
    newscreen(0);
    if (diskempty(selecteddrive) != 0) {
      const char *list[3];
      int y = 6;
      snprintf(buff, sizeof(buff), svarlang_strid(0x0305), cselecteddrive); /* "ERROR: Drive %c: not empty" */
      y += putstringwrap(y, 1, COLOR_BODY, buff);
 
      snprintf(buff, sizeof(buff), svarlang_strid(0x0007), cselecteddrive); /* "Format drive %c:" */
      list[0] = buff;
      list[1] = svarlang_strid(0x0002); /* "Quit to DOS" */
      list[2] = NULL;
 
      choice = menuselect(++y, 4, list, -1);
      if (choice < 0) return(MENUPREV);
      if (choice == 1) return(MENUQUIT);
      mdr_cout_cls(0x07);
      mdr_cout_locate(0, 0);
      snprintf(buff, sizeof(buff), "FORMAT %c: /Q /U /Z:seriously /V:SVARDOS", cselecteddrive);
      system(buff);
      continue;
    } else {
      /* final confirmation */
      const char *list[3];
      list[0] = svarlang_strid(0x0001); /* Install SvarDOS */
      list[1] = svarlang_strid(0x0002); /* Quit to DOS */
      list[2] = NULL;
      snprintf(buff, sizeof(buff), svarlang_strid(0x0306), cselecteddrive); /* "The installation of SvarDOS to %c: is about to begin." */
      mdr_cout_str(7, 40 - strlen(buff), buff, COLOR_BODY, 80);
      choice = menuselect(10, 4, list, -1);
      if (choice < 0) return(MENUPREV);
      if (choice == 1) return(MENUQUIT);
      snprintf(buff, sizeof(buff), "SYS %c: %c: > NUL", sourcedrv, cselecteddrive);
      system(buff);
      sprintf(buff, "FDISK /MBR %d", driveid);
      system(buff);
      snprintf(buff, sizeof(buff), "%c:\\TEMP", cselecteddrive);
      mkdir(buff);
      return(cselecteddrive);
    }
  }
}
 
 
/* generates locales-related configurations and writes them to file (this
 * is used to compute autoexec.bat content) */
static void genlocalesconf(FILE *fd, const struct slocales *locales) {
  if (locales == NULL) return;
 
  fprintf(fd, "SET LANG=%s\r\n", locales->lang);
 
  if (locales->egafile > 0) {
    fprintf(fd, "DISPLAY CON=(EGA,,1)\r\n");
    if (locales->egafile == 1) {
      fprintf(fd, "MODE CON CP PREPARE=((%u) %%DOSDIR%%\\CPI\\EGA.CPX)\r\n", locales->codepage);
    } else {
      fprintf(fd, "MODE CON CP PREPARE=((%u) %%DOSDIR%%\\CPI\\EGA%d.CPX)\r\n", locales->codepage, locales->egafile);
    }
    fprintf(fd, "MODE CON CP SELECT=%u\r\n", locales->codepage);
  }
 
  if (locales->keybfile > 0) {
    fprintf(fd, "KEYB %s,%d,%%DOSDIR%%\\", locales->keybcode, locales->codepage);
    if (locales->keybfile == 1) {
      fprintf(fd, "KEYBOARD.SYS");
    } else {
      fprintf(fd, "KEYBRD%d.SYS", locales->keybfile);
    }
    if (locales->keybid != 0) fprintf(fd, " /ID:%d", locales->keybid);
    fprintf(fd, "\r\n");
  }
}
 
 
static void bootfilesgen(char targetdrv, const struct slocales *locales) {
  char buff[128];
  FILE *fd;
  /*** CONFIG.SYS ***/
  snprintf(buff, sizeof(buff), "%c:\\TEMP\\CONFIG.SYS", targetdrv);
  fd = fopen(buff, "wb");
  if (fd == NULL) return;
  fprintf(fd, "LASTDRIVE=Z\r\n"
              "FILES=40\r\n");
  fprintf(fd, "DEVICE=C:\\SVARDOS\\HIMEMX.EXE\r\n");
  fprintf(fd, "DOS=UMB,HIGH\r\n");
  fprintf(fd, "SHELL=C:\\COMMAND.COM /E:512 /P\r\n");
  fprintf(fd, "REM COUNTRY=001,%u,C:\\SVARDOS\\CFG\\COUNTRY.SYS\r\n", locales->codepage);
  fprintf(fd, "REM DEVICE=C:\\DRIVERS\\UDVD2\\UDVD2.SYS /D:SVCD0001 /H\r\n");
  fclose(fd);
  /*** AUTOEXEC.BAT ***/
  snprintf(buff, sizeof(buff), "%c:\\TEMP\\AUTOEXEC.BAT", targetdrv);
  fd = fopen(buff, "wb");
  if (fd == NULL) return;
  fprintf(fd, "@ECHO OFF\r\n");
  fprintf(fd, "SET TEMP=C:\\TEMP\r\n");
  fprintf(fd, "SET DOSDIR=C:\\SVARDOS\r\n");
  fprintf(fd, "SET NLSPATH=%%DOSDIR%%\\NLS;.\r\n");
  fprintf(fd, "SET DIRCMD=/OGNE/P/4\r\n");
  fprintf(fd, "SET WATTCP.CFG=%%DOSDIR%%\\CFG\r\n");
  fprintf(fd, "PATH %%DOSDIR%%\r\n");
  fprintf(fd, "PROMPT $P$G\r\n");
  fprintf(fd, "FDAPM APMDOS\r\n");
  fprintf(fd, "\r\n");
  genlocalesconf(fd, locales);
  fprintf(fd, "\r\n");
  fprintf(fd, "REM Uncomment the line below for CDROM support\r\n");
  fprintf(fd, "REM SHSUCDX /d:SVCD0001\r\n");
  fprintf(fd, "\r\n");
  fprintf(fd, "ECHO.\r\n");
  fprintf(fd, "ECHO %s\r\n", svarlang_strid(0x0600)); /* "Welcome to SvarDOS!" */
  fclose(fd);
  /*** CREATE DIRECTORY FOR CONFIGURATION FILES ***/
  snprintf(buff, sizeof(buff), "%c:\\SVARDOS", targetdrv);
  mkdir(buff);
  snprintf(buff, sizeof(buff), "%c:\\SVARDOS\\CFG", targetdrv);
  mkdir(buff);
  /*** PKG.CFG ***/
  snprintf(buff, sizeof(buff), "%c:\\SVARDOS\\CFG\\PKG.CFG", targetdrv);
  fd = fopen(buff, "wb");
  if (fd == NULL) return;
  fprintf(fd, "# pkg config file - specifies locations where packages should be installed\r\n"
              "\r\n"
              "# DOS core binaries\r\n"
              "DIR BIN C:\\SVARDOS\r\n"
              "\r\n"
              "# Programs\r\n"
              "DIR PROGS C:\\\r\n"
              "\r\n"
              "# Games \r\n"
              "DIR GAMES C:\\\r\n"
              "\r\n"
              "# Drivers\r\n"
              "DIR DRIVERS C:\\DRIVERS\r\n"
              "\r\n"
              "# Development tools\r\n"
              "DIR DEVEL C:\\DEVEL\r\n");
  fclose(fd);
  /*** COUNTRY.SYS ***/
  /*** PICOTCP ***/
  /*** WATTCP ***/
  snprintf(buff, sizeof(buff), "%c:\\SVARDOS\\CFG\\WATTCP.CFG", targetdrv);
  fd = fopen(buff, "wb");
  if (fd == NULL) return;
  fprintf(fd, "my_ip = dhcp\r\n"
              "#my_ip = 192.168.0.7\r\n"
              "#netmask = 255.255.255.0\r\n"
              "#nameserver = 192.168.0.1\r\n"
              "#nameserver = 192.168.0.2\r\n"
              "#gateway = 192.168.0.1\r\n");
  fclose(fd);
}
 
 
static int installpackages(char targetdrv, char srcdrv, const struct slocales *locales, const char *buildstring) {
  char pkglist[512];
  int i, pkglistlen;
  size_t pkglistflen;
  char buff[1024]; /* must be *at least* 1 sector big for efficient file copying */
  FILE *fd = NULL;
  char *pkgptr;
  newscreen(3);
  /* load pkg list */
  fd = fopen("install.lst", "rb");
  if (fd == NULL) {
    mdr_cout_str(10, 30, "ERROR: INSTALL.LST NOT FOUND", COLOR_BODY, 80);
    mdr_dos_getkey();
    return(-1);
  }
  pkglistflen = fread(pkglist, 1, sizeof(pkglist) - 2, fd);
  fclose(fd);
  if (pkglistflen == sizeof(pkglist) - 2) {
    mdr_cout_str(10, 30, "ERROR: INSTALL.LST TOO LARGE", COLOR_BODY, 80);
    mdr_dos_getkey();
    return(-1);
  }
  /* mark the end of list */
  pkglist[pkglistflen] = 0;
  pkglist[pkglistflen + 1] = 0xff;
  /* replace all \r and \n chars by 0 bytes, and count the number of packages */
  pkglistlen = 0;
  for (i = 0; i < pkglistflen; i++) {
    switch (pkglist[i]) {
      case '\n':
        pkglistlen++;
        /* FALLTHRU */
      case '\r':
        pkglist[i] = 0;
        break;
    }
  }
  /* copy pkg.exe to the new drive, along with all packages */
  snprintf(buff, sizeof(buff), "%c:\\TEMP\\pkg.exe", targetdrv);
  snprintf(buff + 64, sizeof(buff) - 64, "%c:\\pkg.exe", srcdrv);
  fcopy(buff, buff + 64, buff, sizeof(buff));
 
  /* open the post-install autoexec.bat and prepare initial instructions */
  snprintf(buff, sizeof(buff), "%c:\\temp\\postinst.bat", targetdrv);
  fd = fopen(buff, "wb");
  if (fd == NULL) return(-1);
  fprintf(fd, "@ECHO OFF\r\nECHO INSTALLING SVARDOS BUILD %s\r\n", buildstring);
 
  /* move COMMAND.COM so it does not clashes with the installation of the SVARCOM package */
  fprintf(fd, "COPY \\COMMAND.COM \\CMD.COM\r\n");
  fprintf(fd, "SET COMSPEC=%c:\\CMD.COM\r\n", targetdrv);
  fprintf(fd, "DEL \\COMMAND.COM\r\n");
 
  /* copy packages */
  for (i = 0;; i++) {
    RETRY_ENTIRE_LIST:
 
    /* move forward to nearest entry or end of list */
    for (pkgptr = pkglist; *pkgptr == 0; pkgptr++);
    if (*pkgptr == 0xff) break; /* end of list: means all packages have been processed */
 
    /* is this package present on the floppy disk? */
    TRY_NEXTPKG:
    sprintf(buff, "%s.svp", pkgptr);
    if (fileexists(buff) != 0) {
      while (*pkgptr != 0) pkgptr++;
      while (*pkgptr == 0) pkgptr++;
      /* end of list? ask for next floppy, there's nothing interesting left on this one */
      if (*pkgptr == 0xff) {
        putstringnls(12, 1, COLOR_BODY, 4, 1); /* "INSERT THE DISK THAT CONTAINS THE REQUIRED FILE AND PRESS ANY KEY" */
        mdr_dos_getkey();
        video_putstringfix(12, 1, COLOR_BODY, "", 80); /* erase the 'insert disk' message */
        goto RETRY_ENTIRE_LIST;
      }
      goto TRY_NEXTPKG;
    }
 
    /* install the package */
    snprintf(buff, sizeof(buff), svarlang_strid(0x0400), i+1, pkglistlen, pkgptr); /* "Installing package %d/%d: %s" */
    strcat(buff, "       ");
    mdr_cout_str(10, 1, buff, COLOR_BODY, 40);
 
    /* proceed with package copy */
    sprintf(buff, "%c:\\temp\\%s.svp", targetdrv, pkgptr);
    if (fcopy(buff, buff + 7, buff, sizeof(buff)) != 0) {
      mdr_cout_str(10, 30, "READ ERROR", COLOR_BODY, 80);
      mdr_dos_getkey();
      fclose(fd);
      return(-1);
    }
    /* write install instruction to post-install script */
    fprintf(fd, "pkg install %s.svp\r\ndel %s.svp\r\n", pkgptr, pkgptr);
    /* jump to next entry or end of list and zero out the pkg name in the process */
    while ((*pkgptr != 0) && (*pkgptr != 0xff)) {
      *pkgptr = 0;
      pkgptr++;
    }
  }
  /* set up locales so the "installation over" message is nicely displayed */
  genlocalesconf(fd, locales);
  /* replace autoexec.bat and config.sys now and write some nice message on screen */
  fprintf(fd, "DEL pkg.exe\r\n"
              "COPY CONFIG.SYS C:\\\r\n"
              "DEL CONFIG.SYS\r\n"
              "DEL C:\\AUTOEXEC.BAT\r\n"
              "COPY AUTOEXEC.BAT C:\\\r\n"
              "DEL AUTOEXEC.BAT\r\n"
              "SET COMSPEC=C:\\COMMAND.COM\r\n"
              "DEL \\CMD.COM\r\n");
  /* print out the "installation over" message */
  fprintf(fd, "ECHO.\r\n"
              "ECHO ");
  fprintf(fd, svarlang_strid(0x0501), buildstring); /* "SvarDOS installation is over. Please restart your computer now" */
  fprintf(fd, "\r\n"
              "ECHO.\r\n");
  fclose(fd);
 
  /* prepare a dummy autoexec.bat that will call temp\postinst.bat */
  snprintf(buff, sizeof(buff), "%c:\\autoexec.bat", targetdrv);
  fd = fopen(buff, "wb");
  if (fd == NULL) return(-1);
  fprintf(fd, "@ECHO OFF\r\n"
              "SET DOSDIR=C:\\SVARDOS\r\n"
              "SET NLSPATH=%%DOSDIR%%\\NLS\r\n"
              "PATH %%DOSDIR%%\r\n");
  fprintf(fd, "CD TEMP\r\n"
              "postinst.bat\r\n");
  fclose(fd);
 
  return(0);
}
 
 
static void finalreboot(void) {
  int y = 9;
  newscreen(2);
  y += putstringnls(y, 1, COLOR_BODY, 5, 0); /* "Your computer will reboot now.\nPlease remove the installation disk from your drive" */
  putstringnls(++y, 1, COLOR_BODY, 0, 5); /* "Press any key..." */
  mdr_dos_getkey();
  reboot();
}
 
 
static void loadcp(const struct slocales *locales) {
  char buff[64];
  if (locales->codepage == 437) return;
  mdr_cout_locate(1, 0);
  if (locales->egafile == 1) {
    snprintf(buff, sizeof(buff), "MODE CON CP PREP=((%u) EGA.CPX) > NUL", locales->codepage);
  } else {
    snprintf(buff, sizeof(buff), "MODE CON CP PREP=((%u) EGA%d.CPX) > NUL", locales->codepage, locales->egafile);
  }
  system(buff);
  snprintf(buff, sizeof(buff), "MODE CON CP SEL=%u > NUL", locales->codepage);
  system(buff);
  /* below I re-init the video controller - apparently this is required if
   * I want the new glyph symbols to be actually applied, at least some
   * (broken?) BIOSes, like VBox, apply glyphs only at next video mode change */
  {
  union REGS r;
  r.h.ah = 0x0F; /* get current video mode */
  int86(0x10, &r, &r); /* r.h.al contains the current video mode now */
  r.h.al |= 128; /* set the high bit of AL to instruct BIOS not to flush VRAM's content (EGA+) */
  r.h.ah = 0; /* re-set video mode (to whatever is set in AL) */
  int86(0x10, &r, &r);
  }
}
 
 
#ifdef DEADCODE
/* checks that drive drv contains SvarDOS packages
 * returns 0 if found, non-zero otherwise */
static int checkinstsrc(char drv) {
  char fname[16];
  snprintf(fname, sizeof(fname), "%c:\\ATTRIB.SVP", drv);
  return(fileexists(fname));
}
#endif
 
 
int main(int argc, char **argv) {
  struct slocales locales;
  int targetdrv;
  int sourcedrv;
  int action;
  const char *buildstring = "###";
 
  /* setup the internal int 24h handler ("always fail") */
  int24hdl();
 
  if (argc != 1) buildstring = argv[1];
 
  sourcedrv = get_cur_drive() + 'A';
 
  /* init screen and detect mono adapters */
  if (mdr_cout_init(NULL, NULL) == 0) {
    /* overload color scheme with mono settings */
    COLOR_TITLEBAR = 0x70;
    COLOR_BODY = 0x07;
    COLOR_SELECT = 0x70;
    COLOR_SELECTCUR = 0x07;
  }
 
 SelectLang:
  action = selectlang(&locales); /* welcome to svardos, select your language */
  if (action != MENUNEXT) goto Quit;
  loadcp(&locales);
  svarlang_load("INSTALL.LNG", locales.lang); /* NLS support */
 
 SelectKeyb:
  action = selectkeyb(&locales);  /* what keyb layout should we use? */
  if (action == MENUQUIT) goto Quit;
  if (action == MENUPREV) goto SelectLang;
 
 WelcomeScreen:
  action = welcomescreen(); /* what svardos is, ask whether to run live dos or install */
  if (action == MENUQUIT) goto Quit;
  if (action == MENUPREV) {
    if (locales.keyblen > 1) goto SelectKeyb; /* if there is a choice of more than 1 layout, ask for it */
    goto SelectLang;
  }
  targetdrv = preparedrive(sourcedrv); /* what drive should we install from? check avail. space */
  if (targetdrv == MENUQUIT) goto Quit;
  if (targetdrv == MENUPREV) goto WelcomeScreen;
  bootfilesgen(targetdrv, &locales); /* generate boot files and other configurations */
  if (installpackages(targetdrv, sourcedrv, &locales, buildstring) != 0) goto Quit;    /* install packages */
  /*localcfg();*/ /* show local params (currency, etc), and propose to change them (based on localcfg) */
  /*netcfg();*/ /* basic networking config */
  finalreboot(); /* remove the CD and reboot */
 
 Quit:
  mdr_cout_locate(0, 0);
  mdr_cout_close();
  return(0);
}
 

Rev 1664	Rev 1665
1	`/*`	1	`/*`
2	`* SVARDOS INSTALL PROGRAM`	2	`* SVARDOS INSTALL PROGRAM`
3	`*`	3	`*`
4	`* PUBLISHED UNDER THE TERMS OF THE MIT LICENSE`	4	`* PUBLISHED UNDER THE TERMS OF THE MIT LICENSE`
5	`*`	5	`*`
6	`* COPYRIGHT (C) 2016-2024 MATEUSZ VISTE, ALL RIGHTS RESERVED.`	6	`* COPYRIGHT (C) 2016-2024 MATEUSZ VISTE, ALL RIGHTS RESERVED.`
7	`*`	7	`*`
8	`* Permission is hereby granted, free of charge, to any person obtaining a`	8	`* Permission is hereby granted, free of charge, to any person obtaining a`
9	`* copy of this software and associated documentation files (the "Software"),`	9	`* copy of this software and associated documentation files (the "Software"),`
10	`* to deal in the Software without restriction, including without limitation`	10	`* to deal in the Software without restriction, including without limitation`
11	`* the rights to use, copy, modify, merge, publish, distribute, sublicense,`	11	`* the rights to use, copy, modify, merge, publish, distribute, sublicense,`
12	`* and/or sell copies of the Software, and to permit persons to whom the`	12	`* and/or sell copies of the Software, and to permit persons to whom the`
13	`* Software is furnished to do so, subject to the following conditions:`	13	`* Software is furnished to do so, subject to the following conditions:`
14	`*`	14	`*`
15	`* The above copyright notice and this permission notice shall be included in`	15	`* The above copyright notice and this permission notice shall be included in`
16	`* all copies or substantial portions of the Software.`	16	`* all copies or substantial portions of the Software.`
17	`*`	17	`*`
18	`* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR`	18	`* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR`
19	`* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,`	19	`* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,`
20	`* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE`	20	`* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE`
21	`* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER`	21	`* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER`
22	`* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING`	22	`* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING`
23	`* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER`	23	`* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER`
24	`* DEALINGS IN THE SOFTWARE.`	24	`* DEALINGS IN THE SOFTWARE.`
25	`*`	25	`*`
26	`* http://svardos.org`	26	`* http://svardos.org`
27	`*/`	27	`*/`
28		28
29	`#include <dos.h>`	29	`#include <dos.h>`
30	`#include <direct.h> /* mkdir() */`	30	`#include <direct.h> /* mkdir() */`
31	`#include <stdio.h> /* printf() and friends */`	31	`#include <stdio.h> /* printf() and friends */`
32	`#include <stdlib.h> /* system() */`	32	`#include <stdlib.h> /* system() */`
33	`#include <string.h> /* memcpy() */`	33	`#include <string.h> /* memcpy() */`
34	`#include <unistd.h>`	34	`#include <unistd.h>`
35		35
36	`#include "mdr\cout.h"`	36	`#include "mdr\cout.h"`
37	`#include "mdr\dos.h"`	37	`#include "mdr\dos.h"`
38	`#include "svarlang.lib\svarlang.h"`	38	`#include "svarlang.lib\svarlang.h"`
39		39
40	`/* keyboard layouts and locales */`	40	`/* keyboard layouts and locales */`
41	`#include "keylay.h"`	41	`#include "keylay.h"`
42	`#include "keyoff.h"`	42	`#include "keyoff.h"`
43		43
44	`/* prototype of the int24hdl() function defined in int24hdl.asm */`	44	`/* prototype of the int24hdl() function defined in int24hdl.asm */`
45	`void int24hdl(void);`	45	`void int24hdl(void);`
46		46
47		47
48	`/* color scheme (preset for color) */`	48	`/* color scheme (preset for color) */`
49	`static unsigned char COLOR_TITLEBAR = 0x70;`	49	`static unsigned char COLOR_TITLEBAR = 0x70;`
50	`static unsigned char COLOR_BODY = 0x17;`	50	`static unsigned char COLOR_BODY = 0x17;`
51	`static unsigned char COLOR_SELECT = 0x70;`	51	`static unsigned char COLOR_SELECT = 0x70;`
52	`static unsigned char COLOR_SELECTCUR = 0x1F;`	52	`static unsigned char COLOR_SELECTCUR = 0x1F;`
53		53
54		54
55	`/* how much disk space does SvarDOS require (in MiB) */`	55	`/* how much disk space does SvarDOS require (in MiB) */`
56	`#define SVARDOS_DISK_REQ 8`	56	`#define SVARDOS_DISK_REQ 8`
57		57
58	`/* menu screens can output only one of these: */`	58	`/* menu screens can output only one of these: */`
59	`#define MENUNEXT 0`	59	`#define MENUNEXT 0`
60	`#define MENUPREV -1`	60	`#define MENUPREV -1`
61	`#define MENUQUIT -2`	61	`#define MENUQUIT -2`
62		62
63	`/* a convenience 'function' used for debugging */`	63	`/* a convenience 'function' used for debugging */`
64	`#define DBG(x) { video_putstringfix(24, 0, 0x4F00u, x, 80); }`	64	`#define DBG(x) { video_putstringfix(24, 0, 0x4F00u, x, 80); }`
65		65
66	`struct slocales {`	66	`struct slocales {`
67	`char lang[4];`	67	`char lang[4];`
68	`const char *keybcode;`	68	`const char *keybcode;`
69	`unsigned int codepage;`	69	`unsigned int codepage;`
70	`int egafile;`	70	`int egafile;`
71	`int keybfile;`	71	`int keybfile;`
72	`int keyboff;`	72	`int keyboff;`
73	`int keyblen;`	73	`int keyblen;`
74	`unsigned int keybid;`	74	`unsigned int keybid;`
75	`};`	75	`};`
76		76
77		77
78	`/* put a string on screen and fill it until w chars with whilte space */`	78	`/* put a string on screen and fill it until w chars with whilte space */`
79	`static void video_putstringfix(unsigned char y, unsigned char x, unsigned char attr, const char *s, unsigned char w) {`	79	`static void video_putstringfix(unsigned char y, unsigned char x, unsigned char attr, const char *s, unsigned char w) {`
80	`unsigned char i;`	80	`unsigned char i;`
81		81
82	`/* print the string up to w characters */`	82	`/* print the string up to w characters */`
83	`i = mdr_cout_str(y, x, s, attr, w);`	83	`i = mdr_cout_str(y, x, s, attr, w);`
84		84
85	`/* fill in left space (if any) with blanks */`	85	`/* fill in left space (if any) with blanks */`
86	`mdr_cout_char_rep(y, x + i, ' ', attr, w - i);`	86	`mdr_cout_char_rep(y, x + i, ' ', attr, w - i);`
87	`}`	87	`}`
88		88
89		89
90	`/* reboot the computer */`	90	`/* reboot the computer */`
91	`static void reboot(void) {`	91	`static void reboot(void) {`
92	`void ((far bootroutine)()) = (void (far )()) 0xFFFF0000L;`	92	`void ((far bootroutine)()) = (void (far )()) 0xFFFF0000L;`
93	`int far rstaddr = (int far )0x00400072L; /* BIOS boot flag is at 0040:0072 */`	93	`int far rstaddr = (int far )0x00400072L; /* BIOS boot flag is at 0040:0072 */`
94	`rstaddr = 0x1234; / 0x1234 = warm boot, 0 = cold boot */`	94	`rstaddr = 0x1234; / 0x1234 = warm boot, 0 = cold boot */`
95	`(bootroutine)(); / jump to the BIOS reboot routine at FFFF:0000 */`	95	`(bootroutine)(); / jump to the BIOS reboot routine at FFFF:0000 */`
96	`}`	96	`}`
97		97
98		98
99	`/* outputs a string to screen with taking care of word wrapping. returns amount of lines. */`	99	`/* outputs a string to screen with taking care of word wrapping. returns amount of lines. */`
100	`static unsigned char putstringwrap(unsigned char y, unsigned char x, unsigned char attr, const char *s) {`	100	`static unsigned char putstringwrap(unsigned char y, unsigned char x, unsigned char attr, const char *s) {`
101	`unsigned char linew, lincount;`	101	`unsigned char linew, lincount;`
102	`linew = 80 - (x << 1);`	102	`linew = 80 - (x << 1);`
103		103
104	`for (lincount = 1; y+lincount < 25; lincount++) {`	104	`for (lincount = 1; y+lincount < 25; lincount++) {`
105	`int i, len = linew;`	105	`int i, len = linew;`
106	`for (i = 0; i <= linew; i++) {`	106	`for (i = 0; i <= linew; i++) {`
107	`if (s[i] == ' ') len = i;`	107	`if (s[i] == ' ') len = i;`
108	`if (s[i] == '\n') {`	108	`if (s[i] == '\n') {`
109	`len = i;`	109	`len = i;`
110	`break;`	110	`break;`
111	`}`	111	`}`
112	`if (s[i] == 0) {`	112	`if (s[i] == 0) {`
113	`len = i;`	113	`len = i;`
114	`break;`	114	`break;`
115	`}`	115	`}`
116	`}`	116	`}`
117	`mdr_cout_str(y++, x, s, attr, len);`	117	`mdr_cout_str(y++, x, s, attr, len);`
118	`s += len;`	118	`s += len;`
119	`if (*s == 0) break;`	119	`if (*s == 0) break;`
120	`s += 1; /* skip the whitespace char */`	120	`s += 1; /* skip the whitespace char */`
121	`}`	121	`}`
122	`return(lincount);`	122	`return(lincount);`
123	`}`	123	`}`
124		124
125		125
126	`/* an NLS wrapper around video_putstring(), also performs line wrapping when`	126	`/* an NLS wrapper around video_putstring(), also performs line wrapping when`
127	`* needed. returns the amount of lines that were output */`	127	`* needed. returns the amount of lines that were output */`
128	`static unsigned char putstringnls(unsigned char y, unsigned char x, unsigned char attr, unsigned char nlsmaj, unsigned char nlsmin) {`	128	`static unsigned char putstringnls(unsigned char y, unsigned char x, unsigned char attr, unsigned char nlsmaj, unsigned char nlsmin) {`
129	`const char *s = svarlang_str(nlsmaj, nlsmin);`	129	`const char *s = svarlang_str(nlsmaj, nlsmin);`
130	`if (s == NULL) s = "";`	130	`if (s == NULL) s = "";`
131	`return(putstringwrap(y, x, attr, s));`	131	`return(putstringwrap(y, x, attr, s));`
132	`}`	132	`}`
133		133
134		134
135	`/* copy file f1 to f2 using buff as a buffer of buffsz bytes. f2 will be overwritten if it`	135	`/* copy file f1 to f2 using buff as a buffer of buffsz bytes. f2 will be overwritten if it`
136	`* exists already! returns 0 on success. */`	136	`* exists already! returns 0 on success. */`
137	`static int fcopy(const char f2, const char f1, void *buff, size_t buffsz) {`	137	`static int fcopy(const char f2, const char f1, void *buff, size_t buffsz) {`
138	`FILE fd1, fd2;`	138	`FILE fd1, fd2;`
139	`size_t sz;`	139	`size_t sz;`
140	`int res = -1; /* assume failure */`	140	`int res = -1; /* assume failure */`
141		141
142	`/* open files */`	142	`/* open files */`
143	`fd1 = fopen(f1, "rb");`	143	`fd1 = fopen(f1, "rb");`
144	`fd2 = fopen(f2, "wb");`	144	`fd2 = fopen(f2, "wb");`
145	`if ((fd1 == NULL) \|\| (fd2 == NULL)) goto QUIT;`	145	`if ((fd1 == NULL) \|\| (fd2 == NULL)) goto QUIT;`
146		146
147	`/* copy data */`	147	`/* copy data */`
148	`for (;;) {`	148	`for (;;) {`
149	`sz = fread(buff, 1, buffsz, fd1);`	149	`sz = fread(buff, 1, buffsz, fd1);`
150	`if (sz == 0) {`	150	`if (sz == 0) {`
151	`if (feof(fd1) != 0) break;`	151	`if (feof(fd1) != 0) break;`
152	`goto QUIT;`	152	`goto QUIT;`
153	`}`	153	`}`
154	`if (fwrite(buff, 1, sz, fd2) != sz) goto QUIT;`	154	`if (fwrite(buff, 1, sz, fd2) != sz) goto QUIT;`
155	`}`	155	`}`
156		156
157	`res = 0; /* success */`	157	`res = 0; /* success */`
158		158
159	`QUIT:`	159	`QUIT:`
160	`if (fd1 != NULL) fclose(fd1);`	160	`if (fd1 != NULL) fclose(fd1);`
161	`if (fd2 != NULL) fclose(fd2);`	161	`if (fd2 != NULL) fclose(fd2);`
162	`return(res);`	162	`return(res);`
163	`}`	163	`}`
164		164
165		165
166	`static int menuselect(unsigned char ypos, int xpos, unsigned char height, const char **list, int listlen) {`	166	`static int menuselect(unsigned char ypos, unsigned char height, const char **list, int maxlistlen) {`
167	`int i, offset = 0, res = 0, count, width = 0;`	167	`int i, offset = 0, res = 0, count;`
168	`unsigned char y;`	168	`unsigned char y, xpos, width = 0;`
169		169
170	`/* count how many positions there is, and check their width */`	170	`/* count how many positions there is, and check their width */`
171	`for (count = 0; (list[count] != NULL) && (count != listlen); count++) {`	171	`for (count = 0; (list[count] != NULL) && (count != maxlistlen); count++) {`
172	`int len = strlen(list[count]);`	172	`int len = strlen(list[count]);`
173	`if (len > width) width = len;`	173	`if (len > width) width = len;`
174	`}`	174	`}`
175		175
176	`/* if xpos negative, means 'center out' */`	176	`/* if xpos negative, means 'center out' */`
177	`if (xpos < 0) xpos = 39 - (width >> 1);`	177	`xpos = 39 - (width >> 1);`
178		178
179	`mdr_cout_char(ypos, xpos+width+2, 0xBF, COLOR_SELECT); /* \ */`	179	`mdr_cout_char(ypos, xpos+width+2, 0xBF, COLOR_SELECT); /* \ */`
180	`mdr_cout_char(ypos, xpos-1, 0xDA, COLOR_SELECT); /* / */`	180	`mdr_cout_char(ypos, xpos-1, 0xDA, COLOR_SELECT); /* / */`
181	`mdr_cout_char(ypos+height-1, xpos-1, 0xC0, COLOR_SELECT); /* \ */`	181	`mdr_cout_char(ypos+height-1, xpos-1, 0xC0, COLOR_SELECT); /* \ */`
182	`mdr_cout_char(ypos+height-1, xpos+width+2, 0xD9, COLOR_SELECT);/* / */`	182	`mdr_cout_char(ypos+height-1, xpos+width+2, 0xD9, COLOR_SELECT);/* / */`
183	`mdr_cout_char_rep(ypos, xpos, 0xC4, COLOR_SELECT, width + 2);`	183	`mdr_cout_char_rep(ypos, xpos, 0xC4, COLOR_SELECT, width + 2);`
184	`mdr_cout_char_rep(ypos+height-1, xpos, 0xC4, COLOR_SELECT, width + 2);`	184	`mdr_cout_char_rep(ypos+height-1, xpos, 0xC4, COLOR_SELECT, width + 2);`
185		185
186	`for (y = ypos + 1; y < (ypos + height - 1); y++) {`	186	`for (y = ypos + 1; y < (ypos + height - 1); y++) {`
187	`mdr_cout_char(y, xpos-1, 0xB3, COLOR_SELECT);`	187	`mdr_cout_char(y, xpos-1, 0xB3, COLOR_SELECT);`
188	`mdr_cout_char(y, xpos+width+2, 0xB3, COLOR_SELECT);`	188	`mdr_cout_char(y, xpos+width+2, 0xB3, COLOR_SELECT);`
189	`}`	189	`}`
190		190
191	`for (;;) {`	191	`for (;;) {`
192	`int key;`	192	`int key;`
193	`/* list of selectable items */`	193	`/* list of selectable items */`
194	`for (i = 0; i < height - 2; i++) {`	194	`for (i = 0; i < height - 2; i++) {`
195	`if (i + offset == res) {`	195	`if (i + offset == res) {`
196	`mdr_cout_char(ypos + 1 + i, xpos, 16, COLOR_SELECTCUR);`	196	`mdr_cout_char(ypos + 1 + i, xpos, 16, COLOR_SELECTCUR);`
197	`mdr_cout_char(ypos + 1 + i, xpos+width+1, 17, COLOR_SELECTCUR);`	197	`mdr_cout_char(ypos + 1 + i, xpos+width+1, 17, COLOR_SELECTCUR);`
198	`mdr_cout_locate(ypos + 1 + i, xpos);`	198	`mdr_cout_locate(ypos + 1 + i, xpos);`
199	`video_putstringfix(ypos + 1 + i, xpos+1, COLOR_SELECTCUR, list[i + offset], width);`	199	`video_putstringfix(ypos + 1 + i, xpos+1, COLOR_SELECTCUR, list[i + offset], width);`
200	`} else if (i + offset < count) {`	200	`} else if (i + offset < count) {`
201	`mdr_cout_char(ypos + 1 + i, xpos, ' ', COLOR_SELECT);`	201	`mdr_cout_char(ypos + 1 + i, xpos, ' ', COLOR_SELECT);`
202	`mdr_cout_char(ypos + 1 + i, xpos+width+1, ' ', COLOR_SELECT);`	202	`mdr_cout_char(ypos + 1 + i, xpos+width+1, ' ', COLOR_SELECT);`
203	`video_putstringfix(ypos + 1 + i, xpos+1, COLOR_SELECT, list[i + offset], width);`	203	`video_putstringfix(ypos + 1 + i, xpos+1, COLOR_SELECT, list[i + offset], width);`
204	`} else {`	204	`} else {`
205	`mdr_cout_char_rep(ypos + 1 + i, xpos, ' ', COLOR_SELECT, width+2);`	205	`mdr_cout_char_rep(ypos + 1 + i, xpos, ' ', COLOR_SELECT, width+2);`
206	`}`	206	`}`
207	`}`	207	`}`
208	`key = mdr_dos_getkey();`	208	`key = mdr_dos_getkey();`
209	`if (key == 0x0D) { /* ENTER */`	209	`if (key == 0x0D) { /* ENTER */`
210	`return(res);`	210	`return(res);`
211	`} else if (key == 0x148) { /* up */`	211	`} else if (key == 0x148) { /* up */`
212	`if (res > 0) {`	212	`if (res > 0) {`
213	`res--;`	213	`res--;`
214	`if (res < offset) offset = res;`	214	`if (res < offset) offset = res;`
215	`}`	215	`}`
216	`} else if (key == 0x150) { /* down */`	216	`} else if (key == 0x150) { /* down */`
217	`if (res+1 < count) {`	217	`if (res+1 < count) {`
218	`res++;`	218	`res++;`
219	`if (res > offset + height - 3) offset = res - (height - 3);`	219	`if (res > offset + height - 3) offset = res - (height - 3);`
220	`}`	220	`}`
221	`} else if (key == 0x147) { /* home */`	221	`} else if (key == 0x147) { /* home */`
222	`res = 0;`	222	`res = 0;`
223	`offset = 0;`	223	`offset = 0;`
224	`} else if (key == 0x14F) { /* end */`	224	`} else if (key == 0x14F) { /* end */`
225	`res = count - 1;`	225	`res = count - 1;`
226	`if (res > offset + height - 3) offset = res - (height - 3);`	226	`if (res > offset + height - 3) offset = res - (height - 3);`
227	`} else if (key == 0x1B) { /* ESC */`	227	`} else if (key == 0x1B) { /* ESC */`
228	`return(-1);`	228	`return(-1);`
229	`}/* else {`	229	`}/* else {`
230	`char buf[8];`	230	`char buf[8];`
231	`snprintf(buf, sizeof(buf), "0x%02X ", key);`	231	`snprintf(buf, sizeof(buf), "0x%02X ", key);`
232	`video_putstring(1, 0, COLOR_BODY, buf, -1);`	232	`video_putstring(1, 0, COLOR_BODY, buf, -1);`
233	`}*/`	233	`}*/`
234	`}`	234	`}`
235	`}`	235	`}`
236		236
237	`static void newscreen(unsigned char statusbartype) {`	237	`static void newscreen(unsigned char statusbartype) {`
238	`const char *msg;`	238	`const char *msg;`
239	`mdr_cout_cls(COLOR_BODY);`	239	`mdr_cout_cls(COLOR_BODY);`
240	`msg = svarlang_strid(0x00); /* "SVARDOS INSTALLATION" */`	240	`msg = svarlang_strid(0x00); /* "SVARDOS INSTALLATION" */`
241	`mdr_cout_char_rep(0, 0, ' ', COLOR_TITLEBAR, 80);`	241	`mdr_cout_char_rep(0, 0, ' ', COLOR_TITLEBAR, 80);`
242	`mdr_cout_str(0, 40 - (strlen(msg) >> 1), msg, COLOR_TITLEBAR, 80);`	242	`mdr_cout_str(0, 40 - (strlen(msg) >> 1), msg, COLOR_TITLEBAR, 80);`
243	`switch (statusbartype) {`	243	`switch (statusbartype) {`
244	`case 1:`	244	`case 1:`
245	`msg = svarlang_strid(0x000B); /* "Up/Down = Select entry \| Enter = Validate your choice \| ESC = Quit to DOS" */`	245	`msg = svarlang_strid(0x000B); /* "Up/Down = Select entry \| Enter = Validate your choice \| ESC = Quit to DOS" */`
246	`break;`	246	`break;`
247	`case 2:`	247	`case 2:`
248	`msg = svarlang_strid(0x0005); /* "Press any key..." */`	248	`msg = svarlang_strid(0x0005); /* "Press any key..." */`
249	`break;`	249	`break;`
250	`case 3:`	250	`case 3:`
251	`msg = "";`	251	`msg = "";`
252	`break;`	252	`break;`
253	`default:`	253	`default:`
254	`msg = svarlang_strid(0x000A); /* "Up/Down = Select entry \| Enter = Validate your choice \| ESC = Previous screen" */`	254	`msg = svarlang_strid(0x000A); /* "Up/Down = Select entry \| Enter = Validate your choice \| ESC = Previous screen" */`
255	`break;`	255	`break;`
256	`}`	256	`}`
257	`mdr_cout_char(24, 0, ' ', COLOR_TITLEBAR);`	257	`mdr_cout_char(24, 0, ' ', COLOR_TITLEBAR);`
258	`video_putstringfix(24, 1, COLOR_TITLEBAR, msg, 79);`	258	`video_putstringfix(24, 1, COLOR_TITLEBAR, msg, 79);`
259	`mdr_cout_locate(25,0);`	259	`mdr_cout_locate(25,0);`
260	`}`	260	`}`
261		261
262	`/* fills a slocales struct accordingly to the value of its keyboff member */`	262	`/* fills a slocales struct accordingly to the value of its keyboff member */`
263	`static void kblay2slocal(struct slocales *locales) {`	263	`static void kblay2slocal(struct slocales *locales) {`
264	`const char *m;`	264	`const char *m;`
265	`for (m = kblayouts[locales->keyboff]; m != 0; m++); / skip layout name */`	265	`for (m = kblayouts[locales->keyboff]; m != 0; m++); / skip layout name */`
266	`m++;`	266	`m++;`
267	`/* skip keyb code and copy it to locales.keybcode */`	267	`/* skip keyb code and copy it to locales.keybcode */`
268	`locales->keybcode = m;`	268	`locales->keybcode = m;`
269	`for (; *m != 0; m++);`	269	`for (; *m != 0; m++);`
270	`/* */`	270	`/* */`
271	`locales->codepage = ((unsigned short)m[1] << 8) \| m[2];`	271	`locales->codepage = ((unsigned short)m[1] << 8) \| m[2];`
272	`locales->egafile = m[3];`	272	`locales->egafile = m[3];`
273	`locales->keybfile = m[4];`	273	`locales->keybfile = m[4];`
274	`locales->keybid = ((unsigned short)m[5] << 8) \| m[6];`	274	`locales->keybid = ((unsigned short)m[5] << 8) \| m[6];`
275	`}`	275	`}`
276		276
277	`static int selectlang(struct slocales *locales) {`	277	`static int selectlang(struct slocales *locales) {`
278	`int choice, x;`	278	`int choice, x;`
279	`const char *msg;`	279	`const char *msg;`
280	`const char *langlist[] = {`	280	`const char *langlist[] = {`
281	`"English",`	281	`"English",`
282	`"Brazilian",`	282	`"Brazilian",`
283	`"French",`	283	`"French",`
284	`"German",`	284	`"German",`
285	`"Italian",`	285	`"Italian",`
286	`"Polish",`	286	`"Polish",`
287	`"Russian",`	287	`"Russian",`
288	`"Slovene",`	288	`"Slovene",`
289	`"Swedish",`	289	`"Swedish",`
290	`"Turkish",`	290	`"Turkish",`
291	`NULL`	291	`NULL`
292	`};`	292	`};`
293		293
294	`newscreen(1);`	294	`newscreen(1);`
295	`msg = svarlang_strid(0x0100); /* "Welcome to SvarDOS" */`	295	`msg = svarlang_strid(0x0100); /* "Welcome to SvarDOS" */`
296	`x = 40 - (strlen(msg) >> 1);`	296	`x = 40 - (strlen(msg) >> 1);`
297	`mdr_cout_str(4, x, msg, COLOR_BODY, 80);`	297	`mdr_cout_str(4, x, msg, COLOR_BODY, 80);`
298	`mdr_cout_char_rep(5, x, '=', COLOR_BODY, strlen(msg));`	298	`mdr_cout_char_rep(5, x, '=', COLOR_BODY, strlen(msg));`
299		299
300	`/* center out the string "Please select your language..." */`	300	`/* center out the string "Please select your language..." */`
301	`msg = svarlang_str(1, 1); /* "Please select your language from the list below:" */`	301	`msg = svarlang_str(1, 1); /* "Please select your language from the list below:" */`
302	`if (strlen(msg) > 74) {`	302	`if (strlen(msg) > 74) {`
303	`putstringwrap(8, 1, COLOR_BODY, msg);`	303	`putstringwrap(8, 1, COLOR_BODY, msg);`
304	`} else {`	304	`} else {`
305	`mdr_cout_str(8, 40 - (strlen(msg) / 2), msg, COLOR_BODY, 80);`	305	`mdr_cout_str(8, 40 - (strlen(msg) / 2), msg, COLOR_BODY, 80);`
306	`}`	306	`}`
307		307
308	`choice = menuselect(11, -1, 11, langlist, -1);`	308	`choice = menuselect(11, 11, langlist, -1);`
309	`if (choice < 0) return(MENUPREV);`	309	`if (choice < 0) return(MENUPREV);`
310	`/* populate locales with default values */`	310	`/* populate locales with default values */`
311	`memset(locales, 0, sizeof(struct slocales));`	311	`memset(locales, 0, sizeof(struct slocales));`
312	`switch (choice) {`	312	`switch (choice) {`
313	`case 1:`	313	`case 1:`
314	`strcpy(locales->lang, "BR");`	314	`strcpy(locales->lang, "BR");`
315	`locales->keyboff = OFFLOC_BR;`	315	`locales->keyboff = OFFLOC_BR;`
316	`locales->keyblen = OFFLEN_BR;`	316	`locales->keyblen = OFFLEN_BR;`
317	`break;`	317	`break;`
318	`case 2:`	318	`case 2:`
319	`strcpy(locales->lang, "FR");`	319	`strcpy(locales->lang, "FR");`
320	`locales->keyboff = OFFLOC_FR;`	320	`locales->keyboff = OFFLOC_FR;`
321	`locales->keyblen = OFFLEN_FR;`	321	`locales->keyblen = OFFLEN_FR;`
322	`break;`	322	`break;`
323	`case 3:`	323	`case 3:`
324	`strcpy(locales->lang, "DE");`	324	`strcpy(locales->lang, "DE");`
325	`locales->keyboff = OFFLOC_DE;`	325	`locales->keyboff = OFFLOC_DE;`
326	`locales->keyblen = OFFLEN_DE;`	326	`locales->keyblen = OFFLEN_DE;`
327	`break;`	327	`break;`
328	`case 4:`	328	`case 4:`
329	`strcpy(locales->lang, "IT");`	329	`strcpy(locales->lang, "IT");`
330	`locales->keyboff = OFFLOC_IT;`	330	`locales->keyboff = OFFLOC_IT;`
331	`locales->keyblen = OFFLEN_IT;`	331	`locales->keyblen = OFFLEN_IT;`
332	`break;`	332	`break;`
333	`case 5:`	333	`case 5:`
334	`strcpy(locales->lang, "PL");`	334	`strcpy(locales->lang, "PL");`
335	`locales->keyboff = OFFLOC_PL;`	335	`locales->keyboff = OFFLOC_PL;`
336	`locales->keyblen = OFFLEN_PL;`	336	`locales->keyblen = OFFLEN_PL;`
337	`break;`	337	`break;`
338	`case 6:`	338	`case 6:`
339	`strcpy(locales->lang, "RU");`	339	`strcpy(locales->lang, "RU");`
340	`locales->keyboff = OFFLOC_RU;`	340	`locales->keyboff = OFFLOC_RU;`
341	`locales->keyblen = OFFLEN_RU;`	341	`locales->keyblen = OFFLEN_RU;`
342	`break;`	342	`break;`
343	`case 7:`	343	`case 7:`
344	`strcpy(locales->lang, "SI");`	344	`strcpy(locales->lang, "SI");`
345	`locales->keyboff = OFFLOC_SI;`	345	`locales->keyboff = OFFLOC_SI;`
346	`locales->keyblen = OFFLEN_SI;`	346	`locales->keyblen = OFFLEN_SI;`
347	`break;`	347	`break;`
348	`case 8:`	348	`case 8:`
349	`strcpy(locales->lang, "SV");`	349	`strcpy(locales->lang, "SV");`
350	`locales->keyboff = OFFLOC_SV;`	350	`locales->keyboff = OFFLOC_SV;`
351	`locales->keyblen = OFFLEN_SV;`	351	`locales->keyblen = OFFLEN_SV;`
352	`break;`	352	`break;`
353	`case 9:`	353	`case 9:`
354	`strcpy(locales->lang, "TR");`	354	`strcpy(locales->lang, "TR");`
355	`locales->keyboff = OFFLOC_TR;`	355	`locales->keyboff = OFFLOC_TR;`
356	`locales->keyblen = OFFLEN_TR;`	356	`locales->keyblen = OFFLEN_TR;`
357	`break;`	357	`break;`
358	`default:`	358	`default:`
359	`strcpy(locales->lang, "EN");`	359	`strcpy(locales->lang, "EN");`
360	`locales->keyboff = 0;`	360	`locales->keyboff = 0;`
361	`locales->keyblen = OFFCOUNT;`	361	`locales->keyblen = OFFCOUNT;`
362	`break;`	362	`break;`
363	`}`	363	`}`
364	`/* populate the slocales struct accordingly to the keyboff member */`	364	`/* populate the slocales struct accordingly to the keyboff member */`
365	`kblay2slocal(locales);`	365	`kblay2slocal(locales);`
366	`/* */`	366	`/* */`
367	`return(MENUNEXT);`	367	`return(MENUNEXT);`
368	`}`	368	`}`
369		369
370		370
371	`static int selectkeyb(struct slocales *locales) {`	371	`static int selectkeyb(struct slocales *locales) {`
372	`int menuheight, choice;`	372	`int menuheight, choice;`
373	`if (locales->keyblen == 1) return(MENUNEXT); /* do not ask for keyboard layout if only one is available for given language */`	373	`if (locales->keyblen == 1) return(MENUNEXT); /* do not ask for keyboard layout if only one is available for given language */`
374	`newscreen(0);`	374	`newscreen(0);`
375	`putstringnls(5, 1, COLOR_BODY, 1, 5); /* "SvarDOS supports different keyboard layouts */`	375	`putstringnls(5, 1, COLOR_BODY, 1, 5); /* "SvarDOS supports different keyboard layouts */`
376	`menuheight = locales->keyblen + 2;`	376	`menuheight = locales->keyblen + 2;`
377	`if (menuheight > 13) menuheight = 13;`	377	`if (menuheight > 13) menuheight = 13;`
378	`choice = menuselect(10, -1, menuheight, &(kblayouts[locales->keyboff]), locales->keyblen);`	378	`choice = menuselect(10, menuheight, &(kblayouts[locales->keyboff]), locales->keyblen);`
379	`if (choice < 0) return(MENUPREV);`	379	`if (choice < 0) return(MENUPREV);`
380	`/* (re)load the keyboard layout & codepage setup */`	380	`/* (re)load the keyboard layout & codepage setup */`
381	`locales->keyboff += choice;`	381	`locales->keyboff += choice;`
382	`kblay2slocal(locales);`	382	`kblay2slocal(locales);`
383	`return(MENUNEXT);`	383	`return(MENUNEXT);`
384	`}`	384	`}`
385		385
386		386
387	`/* returns 0 if installation must proceed, non-zero otherwise */`	387	`/* returns 0 if installation must proceed, non-zero otherwise */`
388	`static int welcomescreen(void) {`	388	`static int welcomescreen(void) {`
389	`int c;`	389	`int c;`
390	`const char *choice[3];`	390	`const char *choice[3];`
391	`choice[0] = svarlang_strid(0x0001);`	391	`choice[0] = svarlang_strid(0x0001);`
392	`choice[1] = svarlang_strid(0x0002);`	392	`choice[1] = svarlang_strid(0x0002);`
393	`choice[2] = NULL;`	393	`choice[2] = NULL;`
394	`newscreen(0);`	394	`newscreen(0);`
395	`putstringnls(4, 1, COLOR_BODY, 2, 0); /* "You are about to install SvarDOS */`	395	`putstringnls(4, 1, COLOR_BODY, 2, 0); /* "You are about to install SvarDOS */`
396	`c = menuselect(13, -1, 4, choice, -1);`	396	`c = menuselect(13, 4, choice, -1);`
397	`if (c < 0) return(MENUPREV);`	397	`if (c < 0) return(MENUPREV);`
398	`if (c == 0) return(MENUNEXT);`	398	`if (c == 0) return(MENUNEXT);`
399	`return(MENUQUIT);`	399	`return(MENUQUIT);`
400	`}`	400	`}`
401		401
402		402
403	`/* returns 1 if drive is removable, 0 if not, -1 on error */`	403	`/* returns 1 if drive is removable, 0 if not, -1 on error */`
404	`static int isdriveremovable(int drv) {`	404	`static int isdriveremovable(int drv) {`
405	`union REGS r;`	405	`union REGS r;`
406	`r.x.ax = 0x4408;`	406	`r.x.ax = 0x4408;`
407	`r.h.bl = drv;`	407	`r.h.bl = drv;`
408	`int86(0x21, &r, &r);`	408	`int86(0x21, &r, &r);`
409	`/* CF set on error, AX set to 0 if removable, 1 if fixed */`	409	`/* CF set on error, AX set to 0 if removable, 1 if fixed */`
410	`if (r.x.cflag != 0) return(-1);`	410	`if (r.x.cflag != 0) return(-1);`
411	`if (r.x.ax == 0) return(1);`	411	`if (r.x.ax == 0) return(1);`
412	`return(0);`	412	`return(0);`
413	`}`	413	`}`
414		414
415		415
416	`/* returns total disk space of drive drv (in MiB, max 2048), or -1 if drive invalid */`	416	`/* returns total disk space of drive drv (in MiB, max 2048), or -1 if drive invalid */`
417	`static int disksize(int drv) {`	417	`static int disksize(int drv) {`
418	`long res;`	418	`long res;`
419	`union REGS r;`	419	`union REGS r;`
420	`r.h.ah = 0x36; /* DOS 2+ get free disk space */`	420	`r.h.ah = 0x36; /* DOS 2+ get free disk space */`
421	`r.h.dl = drv; /* A=1, B=2, etc */`	421	`r.h.dl = drv; /* A=1, B=2, etc */`
422	`int86(0x21, &r, &r);`	422	`int86(0x21, &r, &r);`
423	`if (r.x.ax == 0xffffu) return(-1); /* AX set to FFFFh if drive invalid */`	423	`if (r.x.ax == 0xffffu) return(-1); /* AX set to FFFFh if drive invalid */`
424	`res = r.x.ax; /* sectors per cluster */`	424	`res = r.x.ax; /* sectors per cluster */`
425	`res = r.x.dx; / dx contains total clusters, bx contains free clusters */`	425	`res = r.x.dx; / dx contains total clusters, bx contains free clusters */`
426	`res = r.x.cx; / bytes per sector */`	426	`res = r.x.cx; / bytes per sector */`
427	`res >>= 20; /* convert bytes to MiB */`	427	`res >>= 20; /* convert bytes to MiB */`
428	`return(res);`	428	`return(res);`
429	`}`	429	`}`
430		430
431		431
432	`/* returns 0 if disk is empty, non-zero otherwise */`	432	`/* returns 0 if disk is empty, non-zero otherwise */`
433	`static int diskempty(int drv) {`	433	`static int diskempty(int drv) {`
434	`unsigned int rc;`	434	`unsigned int rc;`
435	`int res;`	435	`int res;`
436	`char buff[8];`	436	`char buff[8];`
437	`struct find_t fileinfo;`	437	`struct find_t fileinfo;`
438	`snprintf(buff, sizeof(buff), "%c:\\.", 'A' + drv - 1);`	438	`snprintf(buff, sizeof(buff), "%c:\\.", 'A' + drv - 1);`
439	`rc = _dos_findfirst(buff, _A_NORMAL \| _A_SUBDIR \| _A_HIDDEN \| _A_SYSTEM, &fileinfo);`	439	`rc = _dos_findfirst(buff, _A_NORMAL \| _A_SUBDIR \| _A_HIDDEN \| _A_SYSTEM, &fileinfo);`
440	`if (rc == 0) {`	440	`if (rc == 0) {`
441	`res = 1; /* call successfull means disk is not empty */`	441	`res = 1; /* call successfull means disk is not empty */`
442	`} else {`	442	`} else {`
443	`res = 0;`	443	`res = 0;`
444	`}`	444	`}`
445	`/* _dos_findclose(&fileinfo); / / apparently required only on OS/2 */`	445	`/* _dos_findclose(&fileinfo); / / apparently required only on OS/2 */`
446	`return(res);`	446	`return(res);`
447	`}`	447	`}`
448		448
449	`#ifdef DEADCODE`	449	`#ifdef DEADCODE`
450	`/* set new DOS "current drive" to drv ('A', 'B', etc). returns 0 on success */`	450	`/* set new DOS "current drive" to drv ('A', 'B', etc). returns 0 on success */`
451	`static int set_cur_drive(char drv) {`	451	`static int set_cur_drive(char drv) {`
452	`union REGS r;`	452	`union REGS r;`
453	`if ((drv < 'A') \|\| (drv > 'Z')) return(-1);`	453	`if ((drv < 'A') \|\| (drv > 'Z')) return(-1);`
454	`r.h.ah = 0x0E; /* DOS 1+ SELECT DEFAULT DRIVE */`	454	`r.h.ah = 0x0E; /* DOS 1+ SELECT DEFAULT DRIVE */`
455	`r.h.dl = drv - 'A';`	455	`r.h.dl = drv - 'A';`
456	`int86(0x21, &r, &r);`	456	`int86(0x21, &r, &r);`
457	`if (r.h.al < drv - 'A') return(-1);`	457	`if (r.h.al < drv - 'A') return(-1);`
458	`return(0);`	458	`return(0);`
459	`}`	459	`}`
460	`#endif`	460	`#endif`
461		461
462		462
463	`/* get the DOS "current drive" (0=A:, 1=B:, etc) */`	463	`/* get the DOS "current drive" (0=A:, 1=B:, etc) */`
464	`static int get_cur_drive(void) {`	464	`static int get_cur_drive(void) {`
465	`union REGS r;`	465	`union REGS r;`
466	`r.h.ah = 0x19; /* DOS 1+ GET CURRENT DEFAULT DRIVE */`	466	`r.h.ah = 0x19; /* DOS 1+ GET CURRENT DEFAULT DRIVE */`
467	`int86(0x21, &r, &r);`	467	`int86(0x21, &r, &r);`
468	`return(r.h.al);`	468	`return(r.h.al);`
469	`}`	469	`}`
470		470
471		471
472	`/* returns 0 if file exists, non-zero otherwise */`	472	`/* returns 0 if file exists, non-zero otherwise */`
473	`static int fileexists(const char *fname) {`	473	`static int fileexists(const char *fname) {`
474	`FILE *fd;`	474	`FILE *fd;`
475	`fd = fopen(fname, "rb");`	475	`fd = fopen(fname, "rb");`
476	`if (fd == NULL) return(-1);`	476	`if (fd == NULL) return(-1);`
477	`fclose(fd);`	477	`fclose(fd);`
478	`return(0);`	478	`return(0);`
479	`}`	479	`}`
480		480
481		481
482	`/* tries to write an empty file to drive.`	482	`/* tries to write an empty file to drive.`
483	`* asks DOS to inhibit the int 24h handler for this job, so erros are`	483	`* asks DOS to inhibit the int 24h handler for this job, so erros are`
484	`* gracefully reported - unfortunately this does not work under FreeDOS because`	484	`* gracefully reported - unfortunately this does not work under FreeDOS because`
485	`* the DOS-C kernel does not implement the required flag.`	485	`* the DOS-C kernel does not implement the required flag.`
486	`* returns 0 on success (ie. "disk exists and is writeable"). */`	486	`* returns 0 on success (ie. "disk exists and is writeable"). */`
487	`static unsigned short test_drive_write(char drive, char *buff) {`	487	`static unsigned short test_drive_write(char drive, char *buff) {`
488	`unsigned short result = 0;`	488	`unsigned short result = 0;`
489	`sprintf(buff, "%c:\\SVWRTEST.123", drive);`	489	`sprintf(buff, "%c:\\SVWRTEST.123", drive);`
490	`_asm {`	490	`_asm {`
491	`push ax`	491	`push ax`
492	`push bx`	492	`push bx`
493	`push cx`	493	`push cx`
494	`push dx`	494	`push dx`
495		495
496	`mov ah, 0x6c /* extended open/create file */`	496	`mov ah, 0x6c /* extended open/create file */`
497	`mov bx, 0x2001 /* open for write + inhibit int 24h handler */`	497	`mov bx, 0x2001 /* open for write + inhibit int 24h handler */`
498	`xor cx, cx /* file attributes on the created file */`	498	`xor cx, cx /* file attributes on the created file */`
499	`mov dx, 0x0010 /* create file if does not exist, fail if it exists */`	499	`mov dx, 0x0010 /* create file if does not exist, fail if it exists */`
500	`mov si, buff /* filename to create */`	500	`mov si, buff /* filename to create */`

Subversion Repositories SvarDOS

(root)/install/trunk/install.c @ 1666 – Rev 1664 → 1665