atmos
/
fortify-headers
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add ppoll() check

This commit is contained in:
sin 2015-03-03 14:28:25 +00:00
parent 15c2b9d8df
commit 7279c33202
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
include/poll.h
View File

@ -16,9 +16,28 @@ __fortify_poll(struct pollfd *fds, nfds_t nfds, int timeout)
return poll(fds, nfds, timeout);
}
#ifdef _GNU_SOURCE
int
__fortify_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(fds, nfds, timeout, mask);
}
#endif
#undef poll
#define poll(fds, nfds, timeout) __fortify_poll(fds, nfds, timeout)
#ifdef _GNU_SOURCE
#undef ppoll
#define ppoll(fds, nfds, timeout, mask) __fortify_ppoll(fds, nfds, timeout, mask)
#endif
#endif
#endif