lib/OutPipe.cc


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#include "OutPipe.h"
#include "Input.h"
#include "config.h"

OutPipe::OutPipe() : Handle(pipe(p, 1)), hooked(0) { }

OutPipe::~OutPipe() {
    if (hooked) {
	::close(0);
	dup(Stdin.GetHandle());
    }
}

OutPipe::OutPipe(const OutPipe & o) : Handle(o), hooked(o.hooked) {
    p[0] = dup(o.p[0]);
    p[1] = GetHandle();
}

void OutPipe::Hook() {
    if (!hooked) {
	hooked = 1;
	::close(0);
	dup(p[0]);
	::close(p[0]);
    }
}

bool OutPipe::CanWrite() {
    return true;
}

bool OutPipe::CanRead() {
    return false;
}

String OutPipe::GetName() {
    return (String("Output pipe to stdin (") + (hooked ? "" : _("not ")) + _("hooked)"));
}