mandoc/mandoc_malloc.3 - diff

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Diff for /mandoc/mandoc_malloc.3 between version 1.2 and 1.3

version 1.2, 2016/07/07 19:19:01

version 1.3, 2021/09/17 18:50:21

Line 22

.Nm mandoc_realloc ,

.Nm mandoc_reallocarray ,

.Nm mandoc_calloc ,

.Nm mandoc_recallocarray ,

.Nm mandoc_strdup ,

.Nm mandoc_strndup ,

.Nm mandoc_asprintf

Line 49

Line 50

.Fa "size_t nmemb"

.Fa "size_t size"

.Fc

.Ft "void *"

.Fo mandoc_recallocarray

.Fa "void *ptr"

.Fa "size_t oldnmemb"

.Fa "size_t nmemb"

.Fa "size_t size"

.Fc

.Ft "char *"

.Fo mandoc_strdup

.Fa "const char *s"

Line 82 The function

Line 90 The function

.Fn mandoc_malloc

allocates one new object, leaving the memory uninitialized.

The functions

.Fn mandoc_realloc

.Fn mandoc_realloc ,

.Fn mandoc_reallocarray ,

and

.Fn mandoc_reallocarray

.Fn mandoc_recallocarray

change the size of an existing object or array, possibly moving it.

When shrinking the size, existing data is truncated; when growing,

the additional memory is not initialized.

only

.Fn mandoc_recallocarray

initializes the new elements to zero.

The function

.Fn mandoc_calloc

allocates a new array, initializing it to zero.

Line 99 The argument

Line 110 The argument

.Fa nmemb

is the new number of objects in the array.

The argument

.Fa oldnmemb

is the number of objects in the array before the call.

The argument

.Fa ptr

is a pointer to the existing object or array to be resized; if it is

.Dv NULL ,

Line 168 is a widespread extension that first appeared in the G

Line 182 is a widespread extension that first appeared in the G

The function

.Fn reallocarray

is an extension that first appeared in

.Ox 5.6 .

.Ox 5.6 ,

If it is not provided by the operating system, the mandoc build system

and

uses a bundled portable implementation.

.Fn recallocarray

.Ox 6.1 .

If these two are not provided by the operating system,

the mandoc build system uses bundled portable implementations.

.Sh HISTORY

The functions

.Fn mandoc_malloc ,

Line 181 and

Line 199 and

have been available since mandoc 1.9.12,

.Fn mandoc_strndup

since 1.11.5,

and

.Fn mandoc_asprintf

and

since 1.12.4,

.Fn mandoc_reallocarray

since 1.12.4 and 1.13.0.

since 1.13.0, and

.Fn mandoc_recallocarray

since 1.14.2.

.Sh AUTHORS

.An Kristaps Dzonsons Aq Mt kristaps@bsd.lv

.An Ingo Schwarze Aq Mt schwarze@openbsd.org

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