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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2011 Thomas Martitz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "buflib.h"
#include "util.h"
#define BUFLIB_BUFFER_SIZE (12<<10)
static char buflib_buffer[BUFLIB_BUFFER_SIZE];
static struct buflib_context ctx;
#define assert(x) do { if (!(x)) exit(1); } while(0)
int move_callback(int handle, void* current, void* new)
{
(void)handle;(void)current;(void)new;
printf("Move!\n");
}
int shrink_callback(int handle, unsigned hints, void* start, size_t old_size)
{
(void)handle;(void)start;(void)old_size;(void)hints;
printf("Shrink");
}
struct buflib_callbacks ops = {
.move_callback = move_callback,
.shrink_callback = shrink_callback,
};
int main(int argc, char **argv)
{
buflib_init(&ctx, buflib_buffer, BUFLIB_BUFFER_SIZE);
int id = buflib_alloc_ex(&ctx, 512, "foo", &ops);
int id2 = buflib_alloc_ex(&ctx, 1024, "bar", &ops);
int id3 = buflib_alloc_ex(&ctx, 8<<10, "8K", &ops);
assert(id > 0 && id2 > 0 && id3 > 0);
#define STR "<TEST>"
strncpy(buflib_get_data(&ctx, id3), STR, sizeof STR);
if (id > 0)
{
buflib_print_allocs(&ctx, &print_handle);
buflib_free(&ctx, id);
buflib_print_allocs(&ctx, &print_handle);
buflib_free(&ctx, id2);
buflib_print_allocs(&ctx, &print_handle);
id = buflib_alloc_ex(&ctx, 3<<10, "should compact", &ops);
if (id <= 0) printf("compacting alloc failed\n");
buflib_print_allocs(&ctx, &print_handle);
printf("id I: %p\n", buflib_get_data(&ctx, id3));
id2 = buflib_alloc_ex(&ctx, 3<<10, "should fail", &ops);
printf("id II: %p\n", buflib_get_data(&ctx, id3));
if (id2 <= 0) printf("failing alloc failed\n");
else buflib_free(&ctx, id2);
if (id > 0)
buflib_free(&ctx, id);
printf("Check string: \"%s\"\n", buflib_get_data(&ctx, id3));
buflib_print_allocs(&ctx, &print_handle);
}
return 0;
}
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