39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
/*
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* This file is part of Jehanne.
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*
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* Copyright (C) 2016 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 <libc.h>
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int
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jehanne_chdir(const char *dirname)
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{
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char buf[32];
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int tmp, fd;
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tmp = jehanne_getpid();
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jehanne_snprint(buf, sizeof(buf), "/proc/%d/wdir", tmp);
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fd = sys_open(buf, OWRITE);
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if(fd < 0)
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fd = sys_open("#0/wdir", OWRITE);
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if(fd < 0)
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return fd;
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tmp = jehanne_write(fd, dirname, 1+jehanne_strlen(dirname));
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sys_close(fd);
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return tmp;
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}
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