46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#ifndef _FORTIFY_POLL_H
|
|
#define _FORTIFY_POLL_H
|
|
|
|
#include_next <poll.h>
|
|
|
|
#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#undef poll
|
|
|
|
__typeof__(poll) __poll_orig __asm__(__USER_LABEL_PREFIX__ "poll");
|
|
extern __inline __attribute__((__always_inline__,__gnu_inline__,__artificial__))
|
|
int poll(struct pollfd *fds, nfds_t nfds, int timeout)
|
|
{
|
|
__typeof__(sizeof 0) bos = __builtin_object_size(fds, 0);
|
|
|
|
if (nfds > bos / sizeof(struct pollfd))
|
|
__builtin_trap();
|
|
return __poll_orig(fds, nfds, timeout);
|
|
}
|
|
|
|
#ifdef _GNU_SOURCE
|
|
#undef ppoll
|
|
__typeof__(ppoll) __ppoll_orig __asm__(__USER_LABEL_PREFIX__ "ppoll");
|
|
extern __inline __attribute__((__always_inline__,__gnu_inline__,__artificial__))
|
|
int ppoll(struct pollfd *fds, nfds_t nfds, const struct timespec *timeout, const sigset_t *mask)
|
|
{
|
|
__typeof__(sizeof 0) bos = __builtin_object_size(fds, 0);
|
|
|
|
if (nfds > bos / sizeof(struct pollfd))
|
|
__builtin_trap();
|
|
return __ppoll_orig(fds, nfds, timeout, mask);
|
|
}
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif
|