71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
/*
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* This file is part of Jehanne.
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*
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* Copyright (C) 2015 Giacomo Tesio <giacomo@tesio.it>
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*
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* Jehanne is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* Jehanne is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <u.h>
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#include <lib9.h>
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/* check devdup Nctl format */
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void
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main(void)
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{
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char buf[256];
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int fd, r;
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fd = open("/fd/0ctl", OREAD|OCEXEC);
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if(fd < 0)
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goto Fail;
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r = read(fd, buf, sizeof(buf));
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if(r < 0)
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goto Fail;
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close(fd);
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print("Got 0ctl: %s\n", buf);
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fd = open("/fd/1ctl", OREAD|OCEXEC);
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if(fd < 0)
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goto Fail;
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r = read(fd, buf, sizeof(buf));
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if(r < 0)
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goto Fail;
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close(fd);
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print("Got 1ctl: %s\n", buf);
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fd = open("/fd/2ctl", OREAD|OCEXEC);
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if(fd < 0)
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goto Fail;
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r = read(fd, buf, sizeof(buf));
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if(r < 0)
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goto Fail;
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print("Got 2ctl: %s\n", buf);
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snprint(buf, sizeof(buf), "/fd/%dctl", fd);
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fd = open(buf, OREAD);
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if(fd < 0)
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goto Fail;
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r = read(fd, buf, sizeof(buf));
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if(r < 0)
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goto Fail;
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print("Got: %s\n", buf);
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close(fd);
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exits(nil);
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Fail:
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print("FAIL\n");
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exits("FAIL");
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}
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