Differential D22790 Diff 68384 head/share/man/man9/malloc.9

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head/share/man/man9/malloc.9

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	.In sys/types.h			.In sys/types.h
	.In sys/malloc.h			.In sys/malloc.h
	.Ft void *			.Ft void *
	.Fn malloc "size_t size" "struct malloc_type *type" "int flags"			.Fn malloc "size_t size" "struct malloc_type *type" "int flags"
	.Ft void *			.Ft void *
	.Fn mallocarray "size_t nmemb" "size_t size" "struct malloc_type *type" "int flags"			.Fn mallocarray "size_t nmemb" "size_t size" "struct malloc_type *type" "int flags"
	.Ft void			.Ft void
	.Fn free "void addr" "struct malloc_type type"			.Fn free "void addr" "struct malloc_type type"
				.Ft void
				.Fn zfree "void addr" "struct malloc_type type"
	.Ft void *			.Ft void *
	.Fn realloc "void addr" "size_t size" "struct malloc_type type" "int flags"			.Fn realloc "void addr" "size_t size" "struct malloc_type type" "int flags"
	.Ft void *			.Ft void *
	.Fn reallocf "void addr" "size_t size" "struct malloc_type type" "int flags"			.Fn reallocf "void addr" "size_t size" "struct malloc_type type" "int flags"
	.Fn MALLOC_DECLARE type			.Fn MALLOC_DECLARE type
	.In sys/param.h			.In sys/param.h
	.In sys/malloc.h			.In sys/malloc.h
	.In sys/kernel.h			.In sys/kernel.h
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	The memory is not zeroed.			The memory is not zeroed.
	If			If
	.Fa addr			.Fa addr
	is			is
	.Dv NULL ,			.Dv NULL ,
	then			then
	.Fn free			.Fn free
	does nothing.			does nothing.
				.Pp
				Like
				.Fn free ,
				the
				.Fn zfree
				function releases memory at address
				.Fa addr
				that was previously allocated by
				.Fn malloc
				for re-use.
				However,
				.Fn zfree
				will zero the memory before it is released.
	.Pp			.Pp
	The			The
	.Fn realloc			.Fn realloc
	function changes the size of the previously allocated memory referenced by			function changes the size of the previously allocated memory referenced by
	.Fa addr			.Fa addr
	to			to
	.Fa size			.Fa size
	bytes.			bytes.
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