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- /* ------------------------------------------------------------------------ */
- /* */
- /* Some basic things. */
- /* */
- /* ------------------------------------------------------------------------ */
-
- #include "os.h"
-
- #include <signal.h> // signal()
- #include <stdio.h> // fprintf() fflush() getch() putc()
-
- #if defined(DOS) || defined(WINNT) || defined(WIN16)
- #include <conio.h> // getch()
- #endif
- #if defined(DOS)
- #include <dos.h> // delay() sound()
- #endif
-
- #include "globals.h"
- #include "uac_sys.h"
-
-
- void memset16(USHORT * dest, SHORT val, INT len) // fills short-array with
- { // value
- while (len--)
- *(dest++) = val;
- }
-
- INT cancel(void) // checks whether to interrupt the program
- {
- #ifdef DOS
- while (kbhit())
- {
- if (getch() == 27)
- f_err = ERR_USER;
- }
- #endif
- return (f_err);
- }
-
- INT wrask(CHAR * s) // prompt-routine
- {
- INT ch;
-
- fprintf(stderr, "\n %s (Yes,Always,No,Cancel) ", s);
- fflush(stderr);
- do
- {
- ch = getch();
- ch = upcase(ch);
- }
- while (ch != 'Y' && ch != 'A' && ch != 'N' && ch != 'C' && ch != 27);
- fprintf(stderr, "%s", ch == 'Y' ? "Yes" : (ch == 'A' ? "Always" : (ch == 'N' ? "No" : "Cancel")));
- fflush(stderr);
- return (ch == 'Y' ? 0 : (ch == 'A' ? 1 : (ch == 'N' ? 2 : 3)));
- }
-
- void beep(void) // makes some noise
- {
- #ifdef DOS
- sound(800);
- delay(250);
- nosound();
- #endif
- #ifdef AMIGA
- putc(0x07, stderr);
- #endif
- }
-
- void my_signalhandler(INT sig_number) // sets f_err if ctrl+c or ctrl+brk
- {
- f_err = ERR_USER;
- printf("\nUser break\n");
- }
-
- #ifdef DOS // handles hardware errors
- #ifdef __BORLANDC__
- INT harderrhandler(UINT deverr, UINT errc, UINT * devhdr)
- #else
- INT __far harderrhandler(UINT deverr, UINT errc, UINT * devhdr)
- #endif
- {
- f_criterr = 'A' + deverr & 0xff;
- f_err = ERR_OTHER;
- return (0x3);
- }
- #endif
-
- void set_handler(void) // initializes handlers
- {
- #if defined(DOS) && !defined(__BORLANDC__)
- signal(SIGBREAK, my_signalhandler); // set ctrl-break/-c handlers
- #endif
- signal(SIGINT, my_signalhandler);
- #if defined(DOS) && !defined(__CONSOLE__) // set hardware error handler
- #ifdef __BORLANDC__
- harderr(harderrhandler);
- #else
- _harderr(harderrhandler);
- #endif
- #endif
- }
-
-