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Diffstat (limited to 'man3/malloc_usable_size.3')
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diff --git a/man3/malloc_usable_size.3 b/man3/malloc_usable_size.3 deleted file mode 100644 index 3c30aae..0000000 --- a/man3/malloc_usable_size.3 +++ /dev/null @@ -1,60 +0,0 @@ -'\" t -.\" Copyright (c) 2012 by Michael Kerrisk <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH malloc_usable_size 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -malloc_usable_size \- obtain size of block of memory allocated from heap -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <malloc.h> -.P -.BI "size_t malloc_usable_size(void *_Nullable " ptr ); -.fi -.SH DESCRIPTION -This function can be used for -diagnostics or statistics about allocations from -.BR malloc (3) -or a related function. -.SH RETURN VALUE -.BR malloc_usable_size () -returns a value no less than -the size of the block of allocated memory pointed to by -.IR ptr . -If -.I ptr -is NULL, 0 is returned. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR malloc_usable_size () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -GNU. -.SH CAVEATS -The value returned by -.BR malloc_usable_size () -may be greater than the requested size of the allocation -because of various internal implementation details, -none of which the programmer should rely on. -This function is intended to only be used -for diagnostics and statistics; -writing to the excess memory without first calling -.BR realloc (3) -to resize the allocation is not supported. -The returned value is only valid at the time of the call. -.SH SEE ALSO -.BR malloc (3) |