69 lines
1.1 KiB
C
69 lines
1.1 KiB
C
#include "a.h"
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/*
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* 18. Insertions from the standard input
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*/
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void
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r_rd(int argc, Rune **argv)
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{
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char buf[100];
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char *s;
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Rune *p;
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Fmt fmt;
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static int didstdin;
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static Biobuf bstdin;
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/*
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* print prompt, then read until double newline,
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* then run the text just read as though it were
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* a macro body, using the remaining arguments.
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*/
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if(fd2path(0, buf, sizeof buf) >= 0 && strstr(buf, "/dev/cons")){
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if(argc > 1)
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fprint(2, "%S", argv[1]);
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else
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fprint(2, "%c", 7/*BEL*/);
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}
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if(!didstdin){
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Binit(&bstdin, 0, OREAD);
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didstdin = 1;
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}
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runefmtstrinit(&fmt);
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while((s = Brdstr(&bstdin, '\n', 0)) != nil){
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if(s[0] == '\n'){
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free(s);
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break;
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}
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fmtprint(&fmt, "%s", s);
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free(s);
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}
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p = runefmtstrflush(&fmt);
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if(p == nil)
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warn("out of memory in %Crd", dot);
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ds(L(".rd"), p);
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argc--;
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argv++;
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argv[0] = L(".rd");
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runmacro('.', argc, argv);
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ds(L(".rd"), nil);
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}
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/* terminate exactly as if input had ended */
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void
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r_ex(int argc, Rune **argv)
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{
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USED(argc);
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USED(argv);
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while(popinput())
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;
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}
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void
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t18init(void)
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{
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addreq(L("rd"), r_rd, -1);
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addreq(L("ex"), r_ex, 0);
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}
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