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[wxWidgets.git] / utils / Install / packace / uac_sys.c
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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#if defined(DOS) || defined(WINNT) || defined(WIN16)
13#if !defined(__CYGWIN__)
14 #include <conio.h> // getch()
15#endif
16#endif
17#if defined(DOS)
18 #include <dos.h> // delay() sound()
19#endif
20
21#include "globals.h"
22#include "uac_sys.h"
23
24
25void memset16(USHORT * dest, SHORT val, INT len) // fills short-array with
26{ // value
27 while (len--)
28 *(dest++) = val;
29}
30
31INT cancel(void) // checks whether to interrupt the program
32{
33#ifdef DOS
34 while (kbhit())
35 {
36 if (getch() == 27)
37 f_err = ERR_USER;
38 }
39#endif
40 return (f_err);
41}
42
43INT wrask(CHAR * s) // prompt-routine
44{
45 CHAR ch = 0;
46
47 fprintf(stderr, "\n %s (Yes,Always,No,Cancel) ", s);
48 fflush(stderr);
49 do
50 {
51 /*ch = getch();
52 ch = upcase(ch);*/
53 }
54 while (ch != 'Y' && ch != 'A' && ch != 'N' && ch != 'C' && ch != 27);
55 fprintf(stderr, "%s", ch == 'Y' ? "Yes" : (ch == 'A' ? "Always" : (ch == 'N' ? "No" : "Cancel")));
56 fflush(stderr);
57 return (ch == 'Y' ? 0 : (ch == 'A' ? 1 : (ch == 'N' ? 2 : 3)));
58}
59
60void beep(void) // makes some noise
61{
62#ifdef DOS
63 sound(800);
64 delay(250);
65 nosound();
66#endif
67#ifdef AMIGA
68 putc(0x07, stderr);
69#endif
70}
71
72void my_signalhandler(INT sig_number) // sets f_err if ctrl+c or ctrl+brk
73{
74 f_err = ERR_USER;
75 pipeit("\nUser break\n");
76}
77
78#ifdef DOS // handles hardware errors
79#ifdef __BORLANDC__
80INT harderrhandler(UINT deverr, UINT errc, UINT * devhdr)
81#else
82INT __far harderrhandler(UINT deverr, UINT errc, UINT * devhdr)
83#endif
84{
85 f_criterr = 'A' + deverr & 0xff;
86 f_err = ERR_OTHER;
87 return (0x3);
88}
89#endif
90
91void set_handler(void) // initializes handlers
92{
93#if defined(DOS) && !defined(__BORLANDC__)
94 signal(SIGBREAK, my_signalhandler); // set ctrl-break/-c handlers
95#endif
96 signal(SIGINT, my_signalhandler);
97#if defined(DOS) && !defined(__CONSOLE__) // set hardware error handler
98#ifdef __BORLANDC__
99 harderr(harderrhandler);
100#else
101 _harderr(harderrhandler);
102#endif
103#endif
104}
105