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File Name : set.h

/**
@file
@brief    'set'
@details  Copyright (c) 2021 Acronis International GmbH
@author   Mikhail Krivtsov (mikhail.krivtsov@acronis.com)
@since    $Id: $
*/

#pragma once

#include <linux/types.h>	// bool, [u]int(8|16|32|64)_t, pid_t, size_t

typedef struct {
	void *buffer;
	size_t item_size;
	unsigned capacity;
	unsigned count;
	unsigned count_max;
} set_t;

static inline
void set_init(set_t *set, void *buffer, size_t buffer_size, size_t item_size)
{
	set->buffer = buffer;
	set->item_size = item_size;
	set->capacity = buffer_size / item_size;
	set->count = 0;
	set->count_max = 0;
}

static inline
void *set_buffer(set_t *set)
{
	return set->buffer;
}

static inline
unsigned set_fetch_capacity(set_t *set)
{
	return set->capacity;
}

static inline
void *set_ptr_next(set_t *set, void *item_ptr)
{
	return (void *) ((char *)item_ptr + set->item_size);
}

static inline
void *set_item_ptr(set_t *set, unsigned item_index)
{
	return (void *) (item_index * set->item_size + (char *)set->buffer);
}

static inline
void *set_begin_ptr(set_t *set)
{
	return set_item_ptr(set, 0);
}

static inline
void *set_end_ptr(set_t *set)
{
	return set_item_ptr(set, set->count);
}

static inline
unsigned set_items_count(set_t *set)
{
	return set->count;
}

static inline
void set_items_count_set(set_t *set, unsigned count)
{
	set->count = count;
	if (set->count_max < count) {
		set->count_max = count;
	}
}

static inline
unsigned set_items_count_dec(set_t *set)
{
	return --set->count;
}

static inline
unsigned set_items_count_inc(set_t *set)
{
	unsigned count = ++set->count;
	if (set->count_max < count) {
		set->count_max = count;
	}
	return count;
}

static inline
unsigned set_items_count_max(set_t *set)
{
	return set->count_max;
}

static inline
bool set_is_empty(set_t *set)
{
	return !set_items_count(set);
}

static inline
bool set_is_full(set_t *set)
{
	return set_items_count(set) >= set->capacity;
}

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2025-11-07 05:16:28
..	dir	-	root/root	0755	2025-11-07 05:16:28
device.c	file	1.2 KB	root/root	0644	2025-11-07 05:16:28
device.h	file	257 B	root/root	0644	2025-11-07 05:16:28
exec_event.c	file	7.34 KB	root/root	0644	2025-11-07 05:16:28
exec_event.h	file	391 B	root/root	0644	2025-11-07 05:16:28
exit_event.c	file	1.5 KB	root/root	0644	2025-11-07 05:16:28
exit_event.h	file	291 B	root/root	0644	2025-11-07 05:16:28
fork_event.c	file	8.81 KB	root/root	0644	2025-11-07 05:16:28
fork_event.h	file	360 B	root/root	0644	2025-11-07 05:16:28
fs_event.c	file	34.74 KB	root/root	0644	2025-11-07 05:16:28
fs_event.h	file	3.5 KB	root/root	0644	2025-11-07 05:16:28
message.c	file	21.26 KB	root/root	0644	2025-11-07 05:16:28
message.h	file	4.05 KB	root/root	0644	2025-11-07 05:16:28
ring.h	file	2.29 KB	root/root	0644	2025-11-07 05:16:28
set.h	file	1.87 KB	root/root	0644	2025-11-07 05:16:28
subtype.h	file	4.26 KB	root/root	0644	2025-11-07 05:16:28
thread_safe_path.h	file	2.28 KB	root/root	0644	2025-11-07 05:16:28
transport.c	file	70.34 KB	root/root	0644	2025-11-07 05:16:28
transport.h	file	4.79 KB	root/root	0644	2025-11-07 05:16:28
transport_id.h	file	1.75 KB	root/root	0644	2025-11-07 05:16:28