source: rtems/c/src/lib/libc/mallocfreespace.c @ 9c49db4

4.104.114.84.95
Last change on this file since 9c49db4 was 9c49db4, checked in by Joel Sherrill <joel.sherrill@…>, on 01/08/01 at 18:26:44

2001-01-08 Ralf Corsepius <corsepiu@…>

  • configure.in: Add libc/config.h
  • libc/Makefile.am: Add INCLUDES += -I. to pickup config.h
  • libc/.cvsignore: Add config.h and stamp-h
  • libc/*.c: Add config.h support.
  • Property mode set to 100644
File size: 879 bytes
Line 
1/*
2 *  RTEMS Malloc Get Status Information
3 *
4 *
5 *  COPYRIGHT (c) 1989-2000.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.OARcorp.com/rtems/license.html.
11 *
12 *  $Id$
13 */
14
15#if HAVE_CONFIG_H
16#include "config.h"
17#endif
18
19#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
20#include <rtems.h>
21#include <rtems/libcsupport.h>
22
23#include <stdio.h>
24#include <stdlib.h>
25#include <sys/types.h>
26#include <assert.h>
27#include <errno.h>
28#include <string.h>
29
30extern rtems_id RTEMS_Malloc_Heap;
31
32/*
33 *  Find amount of free heap remaining
34 */
35
36size_t malloc_free_space( void )
37{
38  region_information_block   heap_info;
39
40  if ( rtems_region_get_information( RTEMS_Malloc_Heap, &heap_info ) ) {
41    return (size_t) heap_info.free_size;
42  }
43  return (size_t) -1;
44}
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