umm_mallinfo.c 2.8 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677
  1. /****************************************************************************
  2. * mm/umm_heap/umm_mallinfo.c
  3. *
  4. * Copyright (C) 2007, 2009, 2013-2015 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. /****************************************************************************
  36. * Included Files
  37. ****************************************************************************/
  38. #include <nuttx/config.h>
  39. #include <stdlib.h>
  40. #include <nuttx/mm/mm.h>
  41. #include "umm_heap/umm_heap.h"
  42. /****************************************************************************
  43. * Public Functions
  44. ****************************************************************************/
  45. /****************************************************************************
  46. * Name: mallinfo
  47. *
  48. * Description:
  49. * mallinfo returns a copy of updated current heap information for the
  50. * user heap.
  51. *
  52. ****************************************************************************/
  53. #ifdef CONFIG_CAN_PASS_STRUCTS
  54. struct mallinfo mallinfo(void)
  55. {
  56. struct mallinfo info;
  57. mm_mallinfo(USR_HEAP, &info);
  58. return info;
  59. }
  60. #else
  61. int mallinfo(FAR struct mallinfo *info)
  62. {
  63. return mm_mallinfo(USR_HEAP, info);
  64. }
  65. #endif /* CONFIG_CAN_PASS_STRUCTS */