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#include "a.h"
/*
* 18. Insertions from the standard input
*/
void
r_rd(int argc, Rune **argv)
{
char *s;
Rune *p;
Fmt fmt;
static int didstdin;
static Biobuf bstdin;
/*
* print prompt, then read until double newline,
* then run the text just read as though it were
* a macro body, using the remaining arguments.
*/
if(isatty(0)){
if(argc > 1)
fprint(2, "%S", argv[1]);
else
fprint(2, "%c", 7/*BEL*/);
}
if(!didstdin){
Binit(&bstdin, 0, OREAD);
didstdin = 1;
}
runefmtstrinit(&fmt);
while((s = Brdstr(&bstdin, '\n', 0)) != nil){
if(s[0] == '\n'){
free(s);
break;
}
fmtprint(&fmt, "%s", s);
free(s);
}
p = runefmtstrflush(&fmt);
if(p == nil)
warn("out of memory in %Crd", dot);
ds(L(".rd"), p);
argc--;
argv++;
argv[0] = L(".rd");
runmacro('.', argc, argv);
ds(L(".rd"), nil);
}
/* terminate exactly as if input had ended */
void
r_ex(int argc, Rune **argv)
{
USED(argc);
USED(argv);
while(popinput())
;
}
void
t18init(void)
{
addreq(L("rd"), r_rd, -1);
addreq(L("ex"), r_ex, 0);
}
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