APR記憶體池的建立與銷毀

 

/* memory pool study  2011-9-28 */

#include <sasstd.h>

#define  MEM_ALLOC_SZ 1024
int main( int argc, char ** argv )
{
 apr_pool_t *pool; /* 記憶體池 */
 apr_status_t rv;
 char *buf;

 if( (rv = apr_initialize() ) != APR_SUCCESS ) /* 初始化 */
 {
  fprintf( stderr, " initialize pool failed, the reason is : %s \n", strerror(errno) );
  return -1;
 }

 if ( (rv = apr_pool_create( &pool, NULL) ) != APR_SUCCESS )  /* 建立記憶體池 */
 {
  fprintf( stderr, " initialize pool failed, the reason is : %s \n", strerror(errno) );
  return -1;
 }

 buf = apr_palloc(pool, MEM_ALLOC_SZ ); /* 分配一個記憶體塊大小 */
 strcpy( buf, "test" );
 printf( " this is a %s\n ", buf );

 apr_pool_destroy(pool); /* 消掉記憶體池 */
 apr_terminate(); /* 結束 */

 return APR_SUCCESS;
}