libei/src/util-memmap.h
Peter Hutterer c4ac084159 util/memmap: add a helper wrapper around mmap
Makes this easier to use with our unref functions.
2024-07-29 14:48:34 +10:00

46 lines
1.5 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2024 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "config.h"
#include <stddef.h>
struct memmap;
struct memmap *
memmap_new(int fd, size_t sz);
struct memmap *
memmap_ref(struct memmap *memmap);
struct memmap *
memmap_unref(struct memmap *memmap);
size_t
memmap_get_size(struct memmap *memmap);
void *
memmap_get_data(struct memmap *memmap);