78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
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/*
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* Copyright (c) 2021 Mihai Moldovan <ionic@ionic.de>
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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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/* MP support header */
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#include "MacportsLegacySupport.h"
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#if __MP_LEGACY_SUPPORT_FSETATTRLIST__
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#include <sys/attr.h>
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#include <sys/fcntl.h>
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef __LP64__
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int fsetattrlist(int fd, void *a, void *buf, size_t size, unsigned int flags)
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#else /* defined (__LP64__) */
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int fsetattrlist(int fd, void *a, void *buf, size_t size, unsigned long flags)
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#endif /* defined (__LP64__) */
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{
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int cont = 1,
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ret = 0;
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char fpath[MAXPATHLEN];
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memset (fpath, 0, MAXPATHLEN);
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if (-1 == fcntl(fd, F_GETPATH, fpath)) {
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ret = EBADF;
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cont = 0;
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}
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#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1080
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/*
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* Older systems don't correctly check if no attributes are to be set, which usually
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* means a buffer size of zero and return an error since they malloc a block of
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* memory with size zero, leading to ENOMEM.
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*
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* Emulate the fix from 10.8 for those.
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*/
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const struct attrlist *al = a;
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if (al->commonattr == 0 &&
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(al->volattr & ~ATTR_VOL_INFO) == 0 &&
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al->dirattr == 0 &&
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al->fileattr == 0 &&
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al->forkattr == 0) {
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cont = 0;
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/*
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* Explicitly let the potential error from above pass through, since that's what
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* the original function seems to do as well.
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*/
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}
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#endif
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if (cont) {
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ret = setattrlist(fpath, a, buf, size, flags);
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}
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return ret;
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}
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#endif /* __MP_LEGACY_SUPPORT_FSETATTRLIST__ */
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