Source:NetHack 1.3d/pctty.c

Below is the full text to pctty.c from the source code of NetHack 1.3d. To link to a particular line, write [[NetHack 1.3d/pctty.c#line123]], for example.

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1.    /*	SCCS Id: @(#)pctty.c	1.3	87/07/14
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* tty.c - (PC) version 1.0.3 */
4.    /* With thanks to the people who sent code for SYSV - hpscdi!jon,
5.       arnold@ucsf-cgl, wcs@bo95b, cbcephus!pds and others. */
6.    
7.    #include <stdio.h>
8.    #include "hack.h"
9.    
10.   static char erase_char, kill_char;
11.   
12.   /*
13.    * Get initial state of terminal, set ospeed (for termcap routines)
14.    * and switch off tab expansion if necessary.
15.    * Called by startup() in termcap.c and after returning from ! or ^Z
16.    */
17.   gettty(){
18.   	erase_char = '\b';
19.   	kill_char = 21;		/* cntl-U */
20.   	flags.cbreak = TRUE;
21.   #ifdef DGK
22.   	disable_ctrlP();	/* turn off ^P processing */
23.   #endif
24.   }
25.   
26.   /* reset terminal to original state */
27.   settty(s) char *s; {
28.   	end_screen();
29.   	if(s) printf(s);
30.   	(void) fflush(stdout);
31.   #ifdef DGK
32.   	enable_ctrlP();		/* turn on ^P processing */
33.   #endif
34.   }
35.   
36.   
37.   /* fatal error */
38.   /*VARARGS1*/
39.   error(s,x,y) char *s; {
40.   	end_screen();
41.   	putchar('\n');
42.   	printf(s,x,y);
43.   	putchar('\n');
44.   	exit(1);
45.   }
46.   
47.   /*
48.    * Read a line closed with '\n' into the array char bufp[BUFSZ].
49.    * (The '\n' is not stored. The string is closed with a '\0'.)
50.    * Reading can be interrupted by an escape ('\033') - now the
51.    * resulting string is "\033".
52.    */
53.   getlin(bufp)
54.   register char *bufp;
55.   {
56.   	register char *obufp = bufp;
57.   	register int c;
58.   
59.   	flags.toplin = 2;		/* nonempty, no --More-- required */
60.   	for(;;) {
61.   		(void) fflush(stdout);
62.   		if((c = getchar()) == EOF) {
63.   			*bufp = 0;
64.   			return;
65.   		}
66.   		if(c == '\033') {
67.   			*obufp = c;
68.   			obufp[1] = 0;
69.   			return;
70.   		}
71.   		if(c == erase_char || c == '\b') {
72.   			if(bufp != obufp) {
73.   				bufp--;
74.   				putstr("\b \b"); /* putsym converts \b */
75.   			} else	bell();
76.   		} else if(c == '\n') {
77.   			*bufp = 0;
78.   			return;
79.   		} else if(' ' <= c && c < '\177') {
80.   				/* avoid isprint() - some people don't have it
81.   				   ' ' is not always a printing char */
82.   			*bufp = c;
83.   			bufp[1] = 0;
84.   			putstr(bufp);
85.   			if(bufp-obufp < BUFSZ-1 && bufp-obufp < COLNO)
86.   				bufp++;
87.   		} else if(c == kill_char || c == '\177') { /* Robert Viduya */
88.   				/* this test last - @ might be the kill_char */
89.   			while(bufp != obufp) {
90.   				bufp--;
91.   				putstr("\b \b");
92.   			}
93.   		} else
94.   			bell();
95.   	}
96.   }
97.   
98.   getret() {
99.   	cgetret("");
100.  }
101.  
102.  cgetret(s)
103.  register char *s;
104.  {
105.  	putsym('\n');
106.  	if(flags.standout)
107.  		standoutbeg();
108.  	putstr("Hit ");
109.  	putstr(flags.cbreak ? "space" : "return");
110.  	putstr(" to continue: ");
111.  	if(flags.standout)
112.  		standoutend();
113.  	xwaitforspace(s);
114.  }
115.  
116.  char morc;	/* tell the outside world what char he used */
117.  
118.  xwaitforspace(s)
119.  register char *s;	/* chars allowed besides space or return */
120.  {
121.  register int c;
122.  
123.  	morc = 0;
124.  	while((c = readchar()) != '\n') {
125.  	    if(flags.cbreak) {
126.  		if(c == ' ') break;
127.  		if(s && index(s,c)) {
128.  			morc = c;
129.  			break;
130.  		}
131.  		bell();
132.  	    }
133.  	}
134.  }
135.  
136.  static int last_multi;
137.  
138.  char *
139.  parse()
140.  {
141.  	static char inline[COLNO];
142.  	register foo;
143.  
144.  	flags.move = 1;
145.  	if(!Invisible) curs_on_u(); else home();
146.  	multi = 0;
147.  #ifdef DGK
148.  	while((foo = readchar()) >= '0' && foo <= '9') {
149.  		multi = 10*multi+foo-'0';
150.  		if (multi < 0 || multi > LARGEST_INT)
151.  			multi = LARGEST_INT;
152.  		if (multi > 9) {
153.  			remember_topl();
154.  			home();
155.  			cl_end();
156.  			printf("Count: %d", multi);
157.  		}
158.  		last_multi = multi;
159.  	}
160.  # ifdef REDO
161.  	if (foo == DOAGAIN || in_doagain)
162.  		multi = last_multi;
163.  	else {
164.  		savech(0);	/* reset input queue */
165.  		savech(foo);
166.  	}
167.  # endif
168.  
169.  #else /* DGK */
170.  
171.  	while((foo = readchar()) >= '0' && foo <= '9')
172.  		multi = 10*multi+foo-'0';
173.  
174.  #endif /* DGK */
175.  
176.  	if(multi) {
177.  		multi--;
178.  		save_cm = inline;
179.  	}
180.  	inline[0] = foo;
181.  	inline[1] = 0;
182.  	if(foo == 'g' || foo == 'G'){
183.  		inline[1] = getchar();
184.  		savech(inline[1]);
185.  		inline[2] = 0;
186.  	}
187.  	if(foo == 'm' || foo == 'M'){
188.  		inline[1] = getchar();
189.  		savech(inline[1]);
190.  		inline[2] = 0;
191.  	}
192.  	clrlin();
193.  	return(inline);
194.  }
195.  
196.  char
197.  readchar() {
198.  	register int sym;
199.  
200.  	(void) fflush(stdout);
201.  	sym = getchar();
202.  	if(flags.toplin == 1)
203.  		flags.toplin = 2;
204.  	return((char) sym);
205.  }