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