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/*! \file talloc.h
* overly simplistic talloc replacement for deeply embedded
* microcontrollers. Obviously this has none of the properties of real
* talloc, it is particualrly not hierarchical at all.
*
* (C) 2017 by Harald Welte <laforge@gnumonks.org>
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdlib.h>
#include <stdarg.h>
/* those two functions have to be provided by the user/environment */
extern void *pseudotalloc_malloc(size_t size);
extern void pseudotalloc_free(void *ptr);
typedef void TALLOC_CTX;
#define __TALLOC_STRING_LINE1__(s) #s
#define __TALLOC_STRING_LINE2__(s) __TALLOC_STRING_LINE1__(s)
#define __TALLOC_STRING_LINE3__ __TALLOC_STRING_LINE2__(__LINE__)
#define __location__ __FILE__ ":" __TALLOC_STRING_LINE3__
#define talloc_zero(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
#define talloc_zero_size(ctx, size) _talloc_zero(ctx, size, __location__)
void *_talloc_zero(const void *ctx, size_t size, const char *name);
#define talloc_free(ctx) _talloc_free(ctx, __location__)
int _talloc_free(void *ptr, const char *location);
/* Unsupported! */
#define talloc(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)
#define talloc_size(ctx, size) talloc_named_const(ctx, size, __location__)
void *talloc_named_const(const void *context, size_t size, const char *name);
void *talloc_named(const void *context, size_t size, const char *fmt, ...);
void talloc_set_name_const(const void *ptr, const char *name);
char *talloc_strdup(const void *t, const char *p);
void *talloc_pool(const void *context, size_t size);
#define talloc_array(ctx, type, count) (type *)_talloc_array(ctx, sizeof(type), count, #type)
void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name);
#define talloc_zero_array(ctx, type, count) (type *)_talloc_zero_array(ctx, sizeof(type), count, #type)
void *_talloc_zero_array(const void *ctx,
size_t el_size,
unsigned count,
const char *name);
char *talloc_asprintf(const void *ctx, const char *fmt, ...);
#define talloc_steal(ctx, ptr) _talloc_steal_loc((ctx), (ptr), __location__)
void *_talloc_steal_loc(const void *new_ctx, const void *obj, const char *location);
char *talloc_vasprintf(const void *t, const char *fmt, va_list ap);
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