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Alexander Ziaee
82c013fb59
Fix compiler warnings related to the Fx macro, as well as all other mechanical typos that were visible within one screenful of them. These cause rendering glitches on various toolchains with various of the five and a half decades of rich output formats and tooling manpages scale to. The *x macro set specifies operating systems. These macros take the rest of the line as an argument. Sometimes, a space was not used to separate the argument of Fx and the trailing period. Others had other parts of the sentence supplied as an argument to Fx. While here, fix the other mechanical typos visible on those specific screenfulls. Correct section typo AUTHOR to AUTHORS, markup utilities with Sy, and apply line break after the end of a sentence. PR: 297248 MFC after: 3 days Reported by: wosch (are you sure that's all of the broken Fx'es?) Fixes:ff2bc64159("Fix Fx and nearby mechanical typos") Fixes:d790b16bbf("add man pages for stdbit functions") Fixes:6c57e368eb("implement C23 memalignment()") Fixes:b06338167d("ROUTE_MPATH and FIB_ALGO") Fixes:7e1affa242("revise divert-to and divert-reply")
54 lines
1.1 KiB
Plaintext
54 lines
1.1 KiB
Plaintext
.\"
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.\" Copyright (c) 2025 Robert Clausecker <[email protected]>
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.\"
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.\" SPDX-License-Identifier: BSD-2-Clause
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.\"
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.Dd November 10, 2025
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.Dt MEMALIGNMENT 3
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.Os
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.Sh NAME
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.Nm memalignment
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.Nd find the memory alignment of an object
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.Sh SYNOPSIS
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.Lb libc
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.In stdlib.h
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.Ft size_t
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.Fn memalignment "const void *ptr"
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.Sh DESCRIPTION
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The
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.Fn memalignment
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function determines the alignment of the object pointed to by
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.Fa ptr .
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This alignment is a power of\~2, and may be larger than the range
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supported by the
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.Sy alignof
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operator.
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The value returned can be compared to the result of
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.Sy alignof ,
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and if it is greater or equal, the alignment requirement of the operand
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is satisfied.
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.Sh RETURN VALUES
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Returns the alignment of
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.Fa ptr
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as a power of\~2.
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If
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.Fa ptr
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is a null pointer, an alignment of zero is returned.
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An alignment of zero indicates that the tested pointer cannot be used to
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access an object of any type.
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.Sh SEE ALSO
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.Xr aligned_alloc 3 ,
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.Xr posix_memalign 3
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.Sh STANDARDS
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The
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.Fn memalignment
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function conforms to
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.St -isoC-2023 .
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.Sh HISTORY
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The
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.Fn memalignment
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function was added in
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.Fx 15.1 .
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.Sh AUTHORS
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.An Robert Clausecker Aq Mt [email protected]
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