59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
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* Copyright (C) 2015 Dimitris Papastamos <sin@2f30.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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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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#ifndef _FORTIFY_POLL_H
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#define _FORTIFY_POLL_H
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#include_next <poll.h>
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#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
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#include "fortify-headers.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#undef poll
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_FORTIFY_FN(poll) int poll(struct pollfd *__f, nfds_t __n, int __s)
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{
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__typeof__(sizeof 0) __b = __builtin_object_size(__f, 0);
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if (__n > __b / sizeof(struct pollfd))
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__builtin_trap();
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return __orig_poll(__f, __n, __s);
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}
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#ifdef _GNU_SOURCE
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#undef ppoll
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_FORTIFY_FN(ppoll) int ppoll(struct pollfd *__f, nfds_t __n, const struct timespec *__s,
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const sigset_t *__m)
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{
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__typeof__(sizeof 0) __b = __builtin_object_size(__f, 0);
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if (__n > __b / sizeof(struct pollfd))
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__builtin_trap();
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return __orig_ppoll(__f, __n, __s, __m);
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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