home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
QRZ! Ham Radio 8
/
QRZ Ham Radio Callsign Database - Volume 8.iso
/
mac
/
files
/
t_sys5
/
bm_cpio.gz
/
unixbm.cpio
/
pc.c
< prev
next >
Wrap
C/C++ Source or Header
|
1994-07-11
|
4KB
|
208 lines
/* This file contains machine specific functions */
#include <stdio.h>
/* This file is an attempt at keeping thing portble while taking
* advantage of some of the faster io functions in the turbo lib.
* It seems they all do it their own way but here it goes
*/
/* directory search utility for DOS */
#if defined(MICROSOFT)
#include <sys/types.h>
#endif
#if defined(MICROSOFT) || defined(AZTEC)
#include <signal.h>
#endif
#if defined(MICROSOFT) || defined(__TURBOC__)
#include <sys/stat.h>
#include <dos.h>
#include <conio.h>
#define ST_RDONLY 0x01 /* read only file */
#define ST_HIDDEN 0x02 /* hidden file */
#define ST_SYSTEM 0x04 /* system file */
#define ST_VLABEL 0x08 /* volume label */
#define ST_DIRECT 0x10 /* file is a sub-directory */
#define ST_ARCHIV 0x20 /* set when file has been written and closed */
#endif
#ifdef AZTEC
#include <stat.h>
#endif
#define REGFILE (ST_HIDDEN|ST_SYSTEM|ST_DIRECT)
#define SET_DTA 0x1a
#define FIND_FIRST 0x4e
#define FIND_NEXT 0x4f
struct dirent {
char rsvd[21];
char attr;
short ftime;
short fdate;
long fsize;
char fname[13];
};
/* wildcard filename lookup */
filedir(name,times,ret_str)
char *name;
int times;
char *ret_str;
{
register char *cp,*cp1;
static struct dirent sbuf;
#if defined(MICROSOFT) || defined(__TURBOC__)
union REGS regs;
#endif
bdos(SET_DTA,(unsigned)&sbuf,0); /* Set disk transfer address */
#if defined(MICROSOFT) || defined(__TURBOC__)
regs.h.ah = (times == 0) ? FIND_FIRST : FIND_NEXT;
regs.x.dx = (unsigned int) name;
regs.x.cx = (unsigned int) REGFILE;
intdos(®s,®s);
if (regs.x.cflag)
sbuf.fname[0] = '\0';
#else
/* Find matching file */
if(dos(times == 0 ? FIND_FIRST:FIND_NEXT,0,REGFILE,name,0,0) == -1)
sbuf.fname[0] = '\0';
#endif
/* Copy result to output, forcing to lower case */
for(cp = ret_str,cp1 = sbuf.fname; cp1 < &sbuf.fname[13] && *cp1 != '\0';)
*cp++ = tolower(*cp1++);
*cp = '\0';
}
/* This function should put the tty in a mode such that signgle characters
* can be read without waiting for a complete line. Echo should be on.
*/
setrawmode()
{}
/* This function should restore the tty modes back to cooked mode */
setcookedmode()
{}
/* This function return one charater form the keyboard. It will wait
* for a character to be input. This function will echo the character.
* This funtion will return afer each character is typed if rawmode is set
*/
int
getrch()
{
int c;
#if defined(AZTEC) || defined(MICROSOFT) || defined(__TURBOC__)
c = bdos(1,0,0);
#endif
return(c & 0xff);
}
/* This function show clear screen and put cursor at top of screen */
screen_clear()
{
#ifdef AZTEC
extern int scr_clear();
scr_clear(); /* from lib S */
#endif
#if defined(MICROSOFT) || defined(__TURBOC__)
/* clear screen using window scroll up */
union REGS regs;
regs.h.ah = 6;
regs.h.al = 0;
regs.h.ch = 0;
regs.h.cl = 0;
regs.h.dh = 24;
regs.h.dl = 79;
regs.h.bh = 7;
int86(0x10,®s,®s);
/* home the cursor */
regs.h.ah = 2;
regs.h.bh = 0;
regs.h.dh = 0;
regs.h.dl = 0;
int86(0x10,®s,®s);
#endif
}
#ifdef AZTEC
/* This is the aztec specific setvbuf since the Aztec lib doesnt have one */
setvbuf(stream,buffer,type,size)
register FILE *stream;
char *buffer;
int type;
int size;
{
if (stream->_buff)
return;
if (buffer && type != _IONBF) {
stream->_buff = buffer;
stream->_buflen = size;
} else {
stream->_buff = &stream->_bytbuf;
stream->_buflen = 1;
}
}
#endif
#if defined(MICROSOFT) || defined(AZTEC)
setsignals()
{
signal(SIGINT,SIG_IGN);
}
#endif
#if defined(__TURBOC__)
/* dummy do nothing */
int catchit() {}
setsignals()
{
ctrlbrk(catchit);
}
setvideo(s)
char *s;
{
if (strncmp("bios",s,4) == 0)
directvideo = 0;
else
directvideo = 1;
}
#endif
#if defined(__TURBOC__)
/* I use my own gets to get around the desqview raw mode bug
which causes gets not to work right.
I am doing it only for turbo C right now since its a pain to
get it right for them all.
it reads straight from console not via stdin.
*/
char *
gets(s)
char *s;
{
register char *p;
register int c;
p = s;
while ((c = getrch()) != EOF){
if ( c == '\b' && p > s) {
p--;
putch(' ');
putch('\b');
}
else if ( c == '\n' || c == '\r') {
break;
} else
*p++ = c;
}
*p = '\0';
putch('\n');
return(s);
}
#endif