Last change
on this file since 9bf0f86 was f40a309, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Unix line breaks.
|
-
Property mode
set to
100644
|
File size:
1013 bytes
|
Rev | Line | |
---|
[f40a309] | 1 | /*
|
---|
| 2 | =============================================================================
|
---|
| 3 | conin.c -- read from the console
|
---|
| 4 | Version 6 -- 1987-06-30 -- D.N. Lynx Crowe
|
---|
| 5 | =============================================================================
|
---|
| 6 | */
|
---|
| 7 |
|
---|
| 8 | #define _FS_DEF_ /* to avoid unnecessary externals */
|
---|
| 9 |
|
---|
| 10 | #include "biosdefs.h"
|
---|
| 11 | #include "io.h"
|
---|
| 12 | #include "errno.h"
|
---|
| 13 | #include "fcntl.h"
|
---|
| 14 | #include "stddefs.h"
|
---|
| 15 |
|
---|
| 16 | extern char *memcpy();
|
---|
| 17 | extern int readbuf(), writeln();
|
---|
| 18 |
|
---|
| 19 | char _ConBuf[258]; /* console input buffer */
|
---|
| 20 | int _CBused;
|
---|
| 21 |
|
---|
| 22 | int
|
---|
| 23 | _conin(x, buff, len)
|
---|
| 24 | char *buff;
|
---|
| 25 | {
|
---|
| 26 | int nbp;
|
---|
| 27 | register int l;
|
---|
| 28 |
|
---|
| 29 | if (_ConBuf[1] EQ 0) {
|
---|
| 30 |
|
---|
| 31 | _ConBuf[0] = 255;
|
---|
| 32 | _ConBuf[1] = _ConBuf[2] = 0;
|
---|
| 33 |
|
---|
| 34 | readbuf(CON_DEV, _ConBuf);
|
---|
| 35 | writeln(CON_DEV, "\r\n");
|
---|
| 36 |
|
---|
| 37 | if (_ConBuf[2] EQ 0x1a) {
|
---|
| 38 |
|
---|
| 39 | _ConBuf[1] = 0;
|
---|
| 40 | return(0);
|
---|
| 41 | }
|
---|
| 42 |
|
---|
| 43 | nbp = ++_ConBuf[1];
|
---|
| 44 | _ConBuf[nbp++ + 1] = '\r';
|
---|
| 45 | _ConBuf[nbp + 1] = '\n';
|
---|
| 46 | _CBused = 2;
|
---|
| 47 | }
|
---|
| 48 |
|
---|
| 49 | if ((l = _ConBuf[1]) > len)
|
---|
| 50 | l = len;
|
---|
| 51 |
|
---|
| 52 | memcpy(buff, (_ConBuf + _CBused), l);
|
---|
| 53 | _CBused += l;
|
---|
| 54 | _ConBuf[1] -= l;
|
---|
| 55 | return (l);
|
---|
| 56 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.