| /**************************************************************************** |
| * apps/nshlib/nsh_mmcmds.c |
| * |
| * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. |
| * Author: Gregory Nutt <gnutt@nuttx.org> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name NuttX nor the names of its contributors may be |
| * used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <stdlib.h> |
| |
| #include "nsh.h" |
| #include "nsh_console.h" |
| |
| /**************************************************************************** |
| * Definitions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Private Types |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Private Function Prototypes |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Private Data |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Data |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Private Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: cmd_free |
| ****************************************************************************/ |
| |
| #ifndef CONFIG_NSH_DISABLE_FREE |
| int cmd_free(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) |
| { |
| struct mallinfo mem; |
| |
| #ifdef CONFIG_CAN_PASS_STRUCTS |
| mem = mallinfo(); |
| #else |
| (void)mallinfo(&mem); |
| #endif |
| |
| #ifdef CONFIG_NOPRINTF_FIELDWIDTH |
| nsh_output(vtbl, "\ttotal\tused\tfree\tlargest\n"); |
| nsh_output(vtbl, "Mem:\t%d\t%d\t%d\t%d\n", |
| mem.arena, mem.uordblks, mem.fordblks, mem.mxordblk); |
| #else |
| nsh_output(vtbl, " total used free largest\n"); |
| nsh_output(vtbl, "Mem: %11d%11d%11d%11d\n", |
| mem.arena, mem.uordblks, mem.fordblks, mem.mxordblk); |
| #endif |
| |
| return OK; |
| } |
| #endif /* !CONFIG_NSH_DISABLE_FREE */ |