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one/include/mem_collector.h
2012-01-12 12:29:18 +01:00

56 lines
2.1 KiB
C

/* -------------------------------------------------------------------------- */
/* Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org) */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
/* not use this file except in compliance with the License. You may obtain */
/* a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
/* See the License for the specific language governing permissions and */
/* limitations under the License. */
/* -------------------------------------------------------------------------- */
#ifndef MEM_COLLECTOR_H_
#define MEM_COLLECTOR_H_
#define MEM_COLLECTOR_CHUNK 100
/**
* mem_collector. A simple struct to track strdup'ed strings in lex parsers.
* It prevents memory leaks in case of parse errors
*/
typedef struct mem_collector_
{
char** str_buffer;
int size;
int next;
} mem_collector;
/**
* Initialize mem_collector internal memory buffers. MUST be called before
* using any relared function
* @param mc pointer to the mem_collector
*/
void mem_collector_init(mem_collector * mc);
/**
* Frees mem_collector internal resources.
* @param mc pointer to the mem_collector
*/
void mem_collector_cleanup(mem_collector * mc);
/**
* Strdup's a string
* @param mc pointer to the mem_collector
* @param str string to be copied
* @return pointer to the new string
*/
char * mem_collector_strdup(mem_collector *mc, const char * str);
#endif /*MEM_COLLECTOR_H_*/