utils/Install/sfxace/uac_sys.c

   1 /* ------------------------------------------------------------------------ */
   2 /*                                                                          */
   3 /*      Some basic things.                                                  */
   4 /*                                                                          */
   5 /* ------------------------------------------------------------------------ */
   6
   7 #include "os.h"
   8
   9 #include <signal.h>  // signal()
  10 #include <stdio.h>   // fprintf() fflush() getch() putc()
  11
  12 #include "globals.h"
  13 #include "uac_sys.h"
  14
  15
  16 void memset16(USHORT * dest, SHORT val, INT len)  // fills short-array with
  17 {                                                 // value
  18         while (len--)
  19                 *(dest++) = val;
  20 }
  21
  22 INT  cancel(void)               // checks whether to interrupt the program
  23 {
  24 #ifdef DOS
  25         while (kbhit())
  26         {
  27                 if (getch() == 27)
  28                         f_err = ERR_USER;
  29         }
  30 #endif
  31         return (f_err);
  32 }
  33
  34 /*INT  wrask(CHAR * s)            // prompt-routine
  35 {
  36    INT  ch;
  37
  38    fprintf(stderr, "\n %s (Yes,Always,No,Cancel) ", s);
  39    fflush(stderr);
  40    do
  41    {
  42       ch = getch();
  43       ch = upcase(ch);
  44    }
  45    while (ch != 'Y' && ch != 'A' && ch != 'N' && ch != 'C' && ch != 27);
  46    fprintf(stderr, "%s", ch == 'Y' ? "Yes" : (ch == 'A' ? "Always" : (ch == 'N' ? "No" : "Cancel")));
  47    fflush(stderr);
  48    return (ch == 'Y' ? 0 : (ch == 'A' ? 1 : (ch == 'N' ? 2 : 3)));
  49 } */
  50
  51 void beep(void)                           // makes some noise
  52 {
  53 #ifdef DOS
  54         sound(800);
  55         delay(250);
  56         nosound();
  57 #endif
  58 #ifdef AMIGA
  59         putc(0x07, stderr);
  60 #endif
  61 }
  62
  63 void my_signalhandler(INT sig_number)     // sets f_err if ctrl+c or ctrl+brk
  64 {
  65         f_err = ERR_USER;
  66         error("\nUser break\n");
  67 }
  68
  69 #ifdef DOS                                // handles hardware errors
  70 #ifdef __BORLANDC__
  71 INT harderrhandler(UINT deverr, UINT errc, UINT * devhdr)
  72 #else
  73 INT __far harderrhandler(UINT deverr, UINT errc, UINT * devhdr)
  74 #endif
  75 {
  76    f_criterr = 'A' + deverr & 0xff;
  77    f_err = ERR_OTHER;
  78    return (0x3);
  79 }
  80 #endif
  81
  82 void set_handler(void)                    // initializes handlers
  83 {
  84 #if defined(DOS) && !defined(__BORLANDC__)
  85         signal(SIGBREAK, my_signalhandler);    // set ctrl-break/-c handlers
  86 #endif
  87         signal(SIGINT, my_signalhandler);
  88 #if defined(DOS) && !defined(__CONSOLE__) // set hardware error handler
  89 #ifdef __BORLANDC__
  90         harderr(harderrhandler);
  91 #else
  92         _harderr(harderrhandler);
  93 #endif
  94 #endif
  95 }
  96