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52 lines
2.2 KiB
52 lines
2.2 KiB
6 years ago
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commit f3499f95c8610364264479d42d455a79f15c4c86
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Author: Joseph Myers <joseph@codesourcery.com>
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Date: Thu Jan 31 23:01:01 2013 +0000
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Remove CHECK_IOCTL, CHECK_FCNTL and CHECK_N_PAGES.
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diff --git a/sysdeps/generic/bp-checks.h b/sysdeps/generic/bp-checks.h
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index 86f998ae69feb81f..d43e299d4dc06b6b 100644
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--- a/sysdeps/generic/bp-checks.h
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+++ b/sysdeps/generic/bp-checks.h
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@@ -66,30 +66,6 @@ extern void *__unbounded __ubp_memchr (const void *__unbounded, int, unsigned);
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/* Same as CHECK_STRING, but tolerate ARG == NULL. */
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# define CHECK_STRING_NULL_OK(ARG) _CHECK_STRING ((ARG), __ptrvalue (ARG))
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-# if defined (_IOC_SIZESHIFT) && defined (_IOC_SIZEBITS)
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-/* Extract the size of the ioctl data and check its bounds. */
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-# define CHECK_IOCTL(ARG, CMD) \
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- CHECK_N ((const char *) (ARG), \
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- (((CMD) >> _IOC_SIZESHIFT) & ((1 << _IOC_SIZEBITS) - 1)))
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-# else
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-/* We don't know the size of the ioctl data, so the best we can do
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- is check that the first byte is within bounds. */
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-# define CHECK_IOCTL(ARG, CMD) CHECK_1 ((const char *) ARG)
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-# endif
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-
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-/* Check bounds of `struct flock *' for the locking fcntl commands. */
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-# define CHECK_FCNTL(ARG, CMD) \
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- (((CMD) == F_GETLK || (CMD) == F_SETLK || (CMD) == F_SETLKW) \
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- ? CHECK_1 ((struct flock *) ARG) : (unsigned long) (ARG))
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-
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-/* Check bounds of an array of mincore residency-status flags that
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- cover a region of NBYTES. Such a vector occupies one byte per page
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- of memory. */
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-# define CHECK_N_PAGES(ARG, NBYTES) \
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- ({ int _page_size_ = sysconf (_SC_PAGE_SIZE); \
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- CHECK_N ((const char *) (ARG), \
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- ((NBYTES) + _page_size_ - 1) / _page_size_); })
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-
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/* Return a bounded pointer with value PTR that satisfies CHECK_N (PTR, N). */
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# define BOUNDED_N(PTR, N) \
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({ __typeof (PTR) __bounded _p_; \
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@@ -109,9 +85,6 @@ extern void *__unbounded __ubp_memchr (const void *__unbounded, int, unsigned);
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# define CHECK_N(ARG, N) (ARG)
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# define CHECK_N_NULL_OK(ARG, N) (ARG)
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# define CHECK_STRING(ARG) (ARG)
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-# define CHECK_IOCTL(ARG, CMD) (ARG)
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-# define CHECK_FCNTL(ARG, CMD) (ARG)
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-# define CHECK_N_PAGES(ARG, NBYTES) (ARG)
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# define BOUNDED_N(PTR, N) (PTR)
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#endif /* !__BOUNDED_POINTERS__ */
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