37b87116bf
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4337 42af7a65-404d-4744-a932-0658087f49c3
516 lines
16 KiB
C
516 lines
16 KiB
C
/****************************************************************************
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* apps/nshlib/nsh.h
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*
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* Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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#ifndef __APPS_NSHLIB_NSH_H
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#define __APPS_NSHLIB_NSH_H
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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 <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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#ifdef CONFIG_NSH_CONSOLE
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# include <stdio.h>
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#endif
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* The telnetd interface and background commands require pthread support */
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#ifdef CONFIG_DISABLE_PTHREAD
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# undef CONFIG_NSH_TELNET
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# ifndef CONFIG_NSH_DISABLEBG
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# define CONFIG_NSH_DISABLEBG 1
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# endif
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#endif
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/* Telnetd requires networking support */
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#ifndef CONFIG_NET
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# undef CONFIG_NSH_TELNET
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#endif
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/* One front end must be defined */
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#if !defined(CONFIG_NSH_CONSOLE) && !defined(CONFIG_NSH_TELNET)
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# error "No NSH front end defined"
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#endif
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/* If a USB device is selected for the NSH console then we need to handle some
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* special start-up conditions.
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*/
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#undef HAVE_USB_CONSOLE
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#if defined(CONFIG_USBDEV)
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# if defined(CONFIG_PL2303) && defined(CONFIG_PL2303_CONSOLE)
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# define HAVE_USB_CONSOLE 1
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# elif defined(CONFIG_CDCACM) && defined(CONFIG_CDCACM_CONSOLE)
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# define HAVE_USB_CONSOLE 1
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# endif
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#endif
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/* Verify support for ROMFS /etc directory support options */
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#ifdef CONFIG_NSH_ROMFSETC
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# ifdef CONFIG_DISABLE_MOUNTPOINT
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# error "Mountpoint support is disabled"
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# undef CONFIG_NSH_ROMFSETC
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# endif
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# if CONFIG_NFILE_DESCRIPTORS < 4
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# error "Not enough file descriptors"
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# undef CONFIG_NSH_ROMFSETC
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# endif
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# ifndef CONFIG_FS_ROMFS
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# error "ROMFS support not enabled"
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# undef CONFIG_NSH_ROMFSETC
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# endif
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# ifndef CONFIG_NSH_ROMFSMOUNTPT
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# define CONFIG_NSH_ROMFSMOUNTPT "/etc"
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# endif
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# ifdef CONFIG_NSH_INIT
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# ifndef CONFIG_NSH_INITSCRIPT
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# define CONFIG_NSH_INITSCRIPT "init.d/rcS"
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# endif
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# endif
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# undef NSH_INITPATH
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# define NSH_INITPATH CONFIG_NSH_ROMFSMOUNTPT "/" CONFIG_NSH_INITSCRIPT
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# ifndef CONFIG_NSH_ROMFSDEVNO
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# define CONFIG_NSH_ROMFSDEVNO 0
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# endif
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# ifndef CONFIG_NSH_ROMFSSECTSIZE
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# define CONFIG_NSH_ROMFSSECTSIZE 64
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# endif
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# define NSECTORS(b) (((b)+CONFIG_NSH_ROMFSSECTSIZE-1)/CONFIG_NSH_ROMFSSECTSIZE)
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# define STR_RAMDEVNO(m) #m
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# define MKMOUNT_DEVNAME(m) "/dev/ram" STR_RAMDEVNO(m)
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# define MOUNT_DEVNAME MKMOUNT_DEVNAME(CONFIG_NSH_ROMFSDEVNO)
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#else
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# undef CONFIG_NSH_ROMFSMOUNTPT
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# undef CONFIG_NSH_INIT
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# undef CONFIG_NSH_INITSCRIPT
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# undef CONFIG_NSH_ROMFSDEVNO
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# undef CONFIG_NSH_ROMFSSECTSIZE
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#endif
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/* This is the maximum number of arguments that will be accepted for a command */
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#define NSH_MAX_ARGUMENTS 6
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/* strerror() produces much nicer output but is, however, quite large and
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* will only be used if CONFIG_NSH_STRERROR is defined.
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*/
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#ifdef CONFIG_NSH_STRERROR
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# define NSH_ERRNO strerror(errno)
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# define NSH_ERRNO_OF(err) strerror(err)
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#else
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# define NSH_ERRNO (errno)
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# define NSH_ERRNO_OF(err) (err)
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#endif
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/* Maximum size of one command line (telnet or serial) */
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#ifndef CONFIG_NSH_LINELEN
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# define CONFIG_NSH_LINELEN 80
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#endif
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/* The following two settings are used only in the telnetd interface */
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#ifndef CONFIG_NSH_IOBUFFER_SIZE
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# define CONFIG_NSH_IOBUFFER_SIZE 512
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#endif
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/* As threads are created to handle each request, a stack must be allocated
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* for the thread. Use a default if the user provided no stacksize.
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*/
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#ifndef CONFIG_NSH_STACKSIZE
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# define CONFIG_NSH_STACKSIZE 4096
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#endif
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/* The maximum number of nested if-then[-else]-fi sequences that
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* are permissable.
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*/
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#ifndef CONFIG_NSH_NESTDEPTH
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# define CONFIG_NSH_NESTDEPTH 3
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#endif
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/* Define to enable dumping of all input/output buffers */
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#undef CONFIG_NSH_TELNETD_DUMPBUFFER
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#undef CONFIG_NSH_FULLPATH
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/* Make sure that the home directory is defined */
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#ifndef CONFIG_LIB_HOMEDIR
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# define CONFIG_LIB_HOMEDIR "/"
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#endif
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/* Method access macros */
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#define nsh_clone(v) (v)->clone(v)
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#define nsh_release(v) (v)->release(v)
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#define nsh_write(v,b,n) (v)->write(v,b,n)
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#define nsh_linebuffer(v) (v)->linebuffer(v)
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#define nsh_redirect(v,f,s) (v)->redirect(v,f,s)
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#define nsh_undirect(v,s) (v)->undirect(v,s)
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#define nsh_exit(v) (v)->exit(v)
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#ifdef CONFIG_CPP_HAVE_VARARGS
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# define nsh_output(v, fmt...) (v)->output(v, ##fmt)
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#else
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# define nsh_output vtbl->output
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#endif
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/* Size of info to be saved in call to nsh_redirect */
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#define SAVE_SIZE (sizeof(int) + sizeof(FILE*) + sizeof(bool))
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/* Stubs used when working directory is not supported */
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#if CONFIG_NFILE_DESCRIPTORS <= 0 || defined(CONFIG_DISABLE_ENVIRON)
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# define nsh_getfullpath(v,p) ((char*)(p))
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# define nsh_freefullpath(p)
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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enum nsh_parser_e
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{
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NSH_PARSER_NORMAL = 0,
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NSH_PARSER_IF,
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NSH_PARSER_THEN,
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NSH_PARSER_ELSE
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};
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struct nsh_state_s
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{
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uint8_t ns_ifcond : 1; /* Value of command in 'if' statement */
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uint8_t ns_disabled : 1; /* TRUE: Unconditionally disabled */
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uint8_t ns_unused : 4;
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uint8_t ns_state : 2; /* Parser state (see enum nsh_parser_e) */
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};
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struct nsh_parser_s
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{
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#ifndef CONFIG_NSH_DISABLEBG
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bool np_bg; /* true: The last command executed in background */
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#endif
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bool np_redirect; /* true: Output from the last command was re-directed */
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bool np_fail; /* true: The last command failed */
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#ifndef CONFIG_NSH_DISABLESCRIPT
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uint8_t np_ndx; /* Current index into np_st[] */
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#endif
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#ifndef CONFIG_NSH_DISABLEBG
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int np_nice; /* "nice" value applied to last background cmd */
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#endif
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/* This is a stack of parser state information. It supports nested
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* execution of commands that span multiple lines (like if-then-else-fi)
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*/
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#ifndef CONFIG_NSH_DISABLESCRIPT
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struct nsh_state_s np_st[CONFIG_NSH_NESTDEPTH];
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#endif
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};
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struct nsh_vtbl_s
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{
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/* This function pointers are "hooks" into the front end logic to
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* handle things like output of command results, redirection, etc.
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* -- all of which must be done in a way that is unique to the nature
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* of the front end.
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*/
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#ifndef CONFIG_NSH_DISABLEBG
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FAR struct nsh_vtbl_s *(*clone)(FAR struct nsh_vtbl_s *vtbl);
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void (*addref)(FAR struct nsh_vtbl_s *vtbl);
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void (*release)(FAR struct nsh_vtbl_s *vtbl);
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#endif
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ssize_t (*write)(FAR struct nsh_vtbl_s *vtbl, FAR const void *buffer, size_t nbytes);
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int (*output)(FAR struct nsh_vtbl_s *vtbl, const char *fmt, ...);
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FAR char *(*linebuffer)(FAR struct nsh_vtbl_s *vtbl);
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void (*redirect)(FAR struct nsh_vtbl_s *vtbl, int fd, FAR uint8_t *save);
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void (*undirect)(FAR struct nsh_vtbl_s *vtbl, FAR uint8_t *save);
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void (*exit)(FAR struct nsh_vtbl_s *vtbl);
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/* Parser state data */
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struct nsh_parser_s np;
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};
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typedef int (*cmd_t)(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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/****************************************************************************
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* Public Data
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****************************************************************************/
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extern const char g_nshgreeting[];
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extern const char g_nshprompt[];
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extern const char g_nshsyntax[];
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extern const char g_fmtargrequired[];
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extern const char g_fmtarginvalid[];
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extern const char g_fmtargrange[];
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extern const char g_fmtcmdnotfound[];
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extern const char g_fmtnosuch[];
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extern const char g_fmttoomanyargs[];
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extern const char g_fmtdeepnesting[];
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extern const char g_fmtcontext[];
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extern const char g_fmtcmdfailed[];
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extern const char g_fmtcmdoutofmemory[];
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extern const char g_fmtinternalerror[];
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#ifndef CONFIG_DISABLE_SIGNALS
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extern const char g_fmtsignalrecvd[];
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* Initialization */
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#ifdef CONFIG_NSH_ROMFSETC
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int nsh_romfsetc(void);
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#else
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# define nsh_romfsetc() (-ENOSYS)
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#endif
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#ifdef CONFIG_NET
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int nsh_netinit(void);
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#else
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# define nsh_netinit() (-ENOSYS)
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#endif
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#ifdef HAVE_USB_CONSOLE
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int nsh_usbconsole(void);
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#else
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# define nsh_usbconsole() (-ENOSYS)
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#endif
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#if CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0 && !defined(CONFIG_NSH_DISABLESCRIPT)
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int nsh_script(FAR struct nsh_vtbl_s *vtbl, const char *cmd, const char *path);
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#endif
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/* Architecture-specific initialization */
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#ifdef CONFIG_NSH_ARCHINIT
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int nsh_archinitialize(void);
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#else
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# define nsh_archinitialize() (-ENOSYS)
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#endif
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/* Message handler */
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int nsh_parse(FAR struct nsh_vtbl_s *vtbl, char *cmdline);
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/* Application interface */
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#ifdef CONFIG_NSH_BUILTIN_APPS
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int nsh_execapp(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd, FAR char **argv);
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#endif
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/* Working directory support */
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#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON)
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FAR const char *nsh_getcwd(void);
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char *nsh_getfullpath(FAR struct nsh_vtbl_s *vtbl, const char *relpath);
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void nsh_freefullpath(char *relpath);
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#endif
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/* Debug */
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void nsh_dumpbuffer(FAR struct nsh_vtbl_s *vtbl, const char *msg,
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const uint8_t *buffer, ssize_t nbytes);
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/* Shell command handlers */
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#ifndef CONFIG_NSH_DISABLE_ECHO
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int cmd_echo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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#ifndef CONFIG_NSH_DISABLE_EXEC
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int cmd_exec(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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#ifndef CONFIG_NSH_DISABLE_MB
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int cmd_mb(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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#ifndef CONFIG_NSH_DISABLE_MH
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int cmd_mh(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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#ifndef CONFIG_NSH_DISABLE_MW
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int cmd_mw(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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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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#endif
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#ifndef CONFIG_NSH_DISABLE_PS
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int cmd_ps(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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#ifndef CONFIG_NSH_DISABLE_XD
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int cmd_xd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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#if !defined(CONFIG_NSH_DISABLESCRIPT) && !defined(CONFIG_NSH_DISABLE_TEST)
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int cmd_test(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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int cmd_lbracket(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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#endif
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#ifndef CONFIG_DISABLE_CLOCK
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# if defined (CONFIG_RTC) && !defined(CONFIG_NSH_DISABLE_DATE)
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int cmd_date(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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#endif
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#if CONFIG_NFILE_DESCRIPTORS > 0
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# ifndef CONFIG_NSH_DISABLE_CAT
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int cmd_cat(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_CP
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int cmd_cp(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_DD
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int cmd_dd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_LS
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int cmd_ls(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# if CONFIG_NFILE_STREAMS > 0 && !defined(CONFIG_NSH_DISABLESCRIPT)
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# ifndef CONFIG_NSH_DISABLE_SH
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int cmd_sh(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# endif /* CONFIG_NFILE_STREAMS && !CONFIG_NSH_DISABLESCRIPT */
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# ifndef CONFIG_DISABLE_MOUNTPOINT
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# ifndef CONFIG_NSH_DISABLE_LOSETUP
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int cmd_losetup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_MKFIFO
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int cmd_mkfifo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifdef CONFIG_FS_READABLE
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# ifndef CONFIG_NSH_DISABLE_MOUNT
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int cmd_mount(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_UMOUNT
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int cmd_umount(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifdef CONFIG_FS_WRITABLE
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# ifndef CONFIG_NSH_DISABLE_MKDIR
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int cmd_mkdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_MKRD
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int cmd_mkrd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_RM
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int cmd_rm(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_RMDIR
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int cmd_rmdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# endif /* CONFIG_FS_WRITABLE */
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# endif /* CONFIG_FS_READABLE */
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# ifdef CONFIG_FS_FAT
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# ifndef CONFIG_NSH_DISABLE_MKFATFS
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int cmd_mkfatfs(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# endif /* CONFIG_FS_FAT */
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# endif /* !CONFIG_DISABLE_MOUNTPOINT */
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# if !defined(CONFIG_DISABLE_ENVIRON)
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# ifndef CONFIG_NSH_DISABLE_CD
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int cmd_cd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_PWD
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int cmd_pwd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# endif /* !CONFIG_DISABLE_MOUNTPOINT */
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#endif /* CONFIG_NFILE_DESCRIPTORS */
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#if defined(CONFIG_NET)
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# ifndef CONFIG_NSH_DISABLE_IFCONFIG
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int cmd_ifconfig(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
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# ifndef CONFIG_NSH_DISABLE_GET
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int cmd_get(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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# ifndef CONFIG_NSH_DISABLE_PUT
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int cmd_put(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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#endif
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#if defined(CONFIG_NET_TCP) && CONFIG_NFILE_DESCRIPTORS > 0
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# ifndef CONFIG_NSH_DISABLE_WGET
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int cmd_wget(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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#endif
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#if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) && \
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!defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_DISABLE_SIGNALS)
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# ifndef CONFIG_NSH_DISABLE_PING
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|
int cmd_ping(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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# endif
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|
#endif
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|
#endif
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#ifndef CONFIG_DISABLE_ENVIRON
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# ifndef CONFIG_NSH_DISABLE_SET
|
|
int cmd_set(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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|
# endif
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|
# ifndef CONFIG_NSH_DISABLE_UNSET
|
|
int cmd_unset(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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|
# endif
|
|
#endif /* CONFIG_DISABLE_ENVIRON */
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|
|
|
#ifndef CONFIG_DISABLE_SIGNALS
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|
# ifndef CONFIG_NSH_DISABLE_KILL
|
|
int cmd_kill(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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|
# endif
|
|
# ifndef CONFIG_NSH_DISABLE_SLEEP
|
|
int cmd_sleep(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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|
# endif
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|
# ifndef CONFIG_NSH_DISABLE_USLEEP
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|
int cmd_usleep(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
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|
# endif
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|
#endif /* CONFIG_DISABLE_SIGNALS */
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|
|
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#endif /* __APPS_NSHLIB_NSH_H */
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