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41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2014, 2015.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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dirent/fdopendir.cpp
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Handles the file descriptor backend for the DIR* API on Sortix.
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*******************************************************************************/
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#include <dirent.h>
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#include <DIR.h>
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#include <fcntl.h>
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#include <stdlib.h>
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extern "C" DIR* fdopendir(int fd)
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{
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int old_dflags = fcntl(fd, F_GETFD);
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if ( 0 <= old_dflags && !(old_dflags & FD_CLOEXEC) )
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fcntl(fd, F_SETFD, old_dflags | FD_CLOEXEC);
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// TODO: Potentially reopen as O_EXEC when the kernel requires that.
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DIR* dir = (DIR*) calloc(sizeof(DIR), 1);
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if ( !dir )
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return NULL;
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dir->fd = fd;
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return dir;
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}
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