1 c42a1d3d 2006-02-21 devnull #include "a.h"
 2 c42a1d3d 2006-02-21 devnull 
 3 c42a1d3d 2006-02-21 devnull /*
 4 c42a1d3d 2006-02-21 devnull  * 18. Insertions from the standard input
 5 c42a1d3d 2006-02-21 devnull  */
 6 c42a1d3d 2006-02-21 devnull void
 7 c42a1d3d 2006-02-21 devnull r_rd(int argc, Rune **argv)
 8 c42a1d3d 2006-02-21 devnull {
 9 c42a1d3d 2006-02-21 devnull 	char *s;
10 c42a1d3d 2006-02-21 devnull 	Rune *p;
11 c42a1d3d 2006-02-21 devnull 	Fmt fmt;
12 c42a1d3d 2006-02-21 devnull 	static int didstdin;
13 c42a1d3d 2006-02-21 devnull 	static Biobuf bstdin;
14 fa325e9b 2020-01-10 cross 
15 c42a1d3d 2006-02-21 devnull 	/*
16 c42a1d3d 2006-02-21 devnull 	 * print prompt, then read until double newline,
17 c42a1d3d 2006-02-21 devnull 	 * then run the text just read as though it were
18 c42a1d3d 2006-02-21 devnull 	 * a macro body, using the remaining arguments.
19 c42a1d3d 2006-02-21 devnull 	 */
20 c42a1d3d 2006-02-21 devnull 	if(isatty(0)){
21 c42a1d3d 2006-02-21 devnull 		if(argc > 1)
22 c42a1d3d 2006-02-21 devnull 			fprint(2, "%S", argv[1]);
23 c42a1d3d 2006-02-21 devnull 		else
24 c42a1d3d 2006-02-21 devnull 			fprint(2, "%c", 7/*BEL*/);
25 c42a1d3d 2006-02-21 devnull 	}
26 fa325e9b 2020-01-10 cross 
27 c42a1d3d 2006-02-21 devnull 	if(!didstdin){
28 c42a1d3d 2006-02-21 devnull 		Binit(&bstdin, 0, OREAD);
29 c42a1d3d 2006-02-21 devnull 		didstdin = 1;
30 c42a1d3d 2006-02-21 devnull 	}
31 c42a1d3d 2006-02-21 devnull 	runefmtstrinit(&fmt);
32 c42a1d3d 2006-02-21 devnull 	while((s = Brdstr(&bstdin, '\n', 0)) != nil){
33 c42a1d3d 2006-02-21 devnull 		if(s[0] == '\n'){
34 c42a1d3d 2006-02-21 devnull 			free(s);
35 c42a1d3d 2006-02-21 devnull 			break;
36 c42a1d3d 2006-02-21 devnull 		}
37 c42a1d3d 2006-02-21 devnull 		fmtprint(&fmt, "%s", s);
38 c42a1d3d 2006-02-21 devnull 		free(s);
39 c42a1d3d 2006-02-21 devnull 	}
40 c42a1d3d 2006-02-21 devnull 	p = runefmtstrflush(&fmt);
41 c42a1d3d 2006-02-21 devnull 	if(p == nil)
42 c42a1d3d 2006-02-21 devnull 		warn("out of memory in %Crd", dot);
43 c42a1d3d 2006-02-21 devnull 	ds(L(".rd"), p);
44 c42a1d3d 2006-02-21 devnull 	argc--;
45 c42a1d3d 2006-02-21 devnull 	argv++;
46 c42a1d3d 2006-02-21 devnull 	argv[0] = L(".rd");
47 c42a1d3d 2006-02-21 devnull 	runmacro('.', argc, argv);
48 c42a1d3d 2006-02-21 devnull 	ds(L(".rd"), nil);
49 c42a1d3d 2006-02-21 devnull }
50 c42a1d3d 2006-02-21 devnull 
51 c42a1d3d 2006-02-21 devnull /* terminate exactly as if input had ended */
52 c42a1d3d 2006-02-21 devnull void
53 c42a1d3d 2006-02-21 devnull r_ex(int argc, Rune **argv)
54 c42a1d3d 2006-02-21 devnull {
55 c42a1d3d 2006-02-21 devnull 	USED(argc);
56 c42a1d3d 2006-02-21 devnull 	USED(argv);
57 fa325e9b 2020-01-10 cross 
58 c42a1d3d 2006-02-21 devnull 	while(popinput())
59 c42a1d3d 2006-02-21 devnull 		;
60 c42a1d3d 2006-02-21 devnull }
61 c42a1d3d 2006-02-21 devnull 
62 c42a1d3d 2006-02-21 devnull void
63 c42a1d3d 2006-02-21 devnull t18init(void)
64 c42a1d3d 2006-02-21 devnull {
65 c42a1d3d 2006-02-21 devnull 	addreq(L("rd"), r_rd, -1);
66 c42a1d3d 2006-02-21 devnull 	addreq(L("ex"), r_ex, 0);
67 c42a1d3d 2006-02-21 devnull }