37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/*
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* Copyright (c) 2011, 2014, 2015 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* dirent/fdopendir.c
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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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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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