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