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-rw-r--r--apps/nshlib/nsh_session.c163
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diff --git a/apps/nshlib/nsh_session.c b/apps/nshlib/nsh_session.c
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--- a/apps/nshlib/nsh_session.c
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-/****************************************************************************
- * apps/nshlib/nsh_session.c
- *
- * Copyright (C) 2007-2009, 2011-2013 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 Gregory Nutt 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 <stdio.h>
-#include <stdlib.h>
-
-#include <apps/readline.h>
-
-#include "nsh.h"
-#include "nsh_console.h"
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Public Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: nsh_session
- *
- * Description:
- * This is the common session logic or any NSH session. This function
- * return when an error reading from the input stream occurs, presumably
- * signaling the end of the session.
- *
- * This function:
- * - Executes the NSH logic script
- * - Presents a greeting
- * - Then provides a prompt then gets and processes the command line.
- * - This continues until an error occurs, then the session returns.
- *
- * Input Parameters:
- * pstate - Abstracts the underlying session.
- *
- * Returned Values:
- * EXIT_SUCESS or EXIT_FAILURE is returned.
- *
- ****************************************************************************/
-
-int nsh_session(FAR struct console_stdio_s *pstate)
-{
- int ret;
-
- DEBUGASSERT(pstate);
-
- /* Present a greeting */
-
- fputs(g_nshgreeting, pstate->cn_outstream);
- fflush(pstate->cn_outstream);
-
- /* Execute the login script */
-
-#ifdef CONFIG_NSH_ROMFSRC
- (void)nsh_loginscript(&pstate->cn_vtbl);
-#endif
-
- /* Then enter the command line parsing loop */
-
- for (;;)
- {
- /* For the case of debugging the USB console... dump collected USB trace data */
-
-#ifdef CONFIG_NSH_USBDEV_TRACE
- nsh_usbtrace();
-#endif
-
- /* Display the prompt string */
-
- fputs(g_nshprompt, pstate->cn_outstream);
- fflush(pstate->cn_outstream);
-
- /* Get the next line of input */
-
- ret = readline(pstate->cn_line, CONFIG_NSH_LINELEN,
- INSTREAM(pstate), OUTSTREAM(pstate));
- if (ret > 0)
- {
- /* Parse process the command */
-
- (void)nsh_parse(&pstate->cn_vtbl, pstate->cn_line);
- fflush(pstate->cn_outstream);
- }
-
- /* Readline normally returns the number of characters read,
- * but will return 0 on end of file or a negative value
- * if an error occurs. Either will cause the session to
- * terminate.
- */
-
- else
- {
- fprintf(pstate->cn_outstream, g_fmtcmdfailed, "nsh_session",
- "readline", NSH_ERRNO_OF(-ret));
- return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
- }
- }
-
- /* We do not get here, but this is necessary to keep some compilers happy.
- * But others will complain that this code is not reachable.
- */
-
- return EXIT_SUCCESS;
-}