mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-10-06 10:59:48 +08:00
Sebastian Huber
3b061c5c44
The briefs of the libmisc files named a topic, not the content of the file. Four shell briefs named the wrong command. The file main_blksync.c said "RM Shell Command Implementation". The files main_id.c, main_time.c and shellconfig.c named ls and debugrfs. Four string conversion sources named the conversion, for example "Convert String to Unsigned Long". Write every brief in the style of the tree. A source brief starts with "This source file contains". A command brief names the command the file provides. A header brief starts with "This header file provides". Put @file, @ingroup and @brief in this order in every block. Updates #5717. Assisted-by: Claude:claude-opus-5 claude-code Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSImplShellCommands
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*
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* @brief This source file contains the getenv shell command.
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*/
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/*
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* COPYRIGHT (C) 2009, 2026 Chris Johns <chrisj@rtems.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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* 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 the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <rtems.h>
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#include <rtems/shell.h>
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#include "internal.h"
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static int rtems_shell_main_getenv(int argc, char *argv[])
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{
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char* string;
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if (argc != 2)
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{
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printf ("error: available arguments are '-a' or a variable name\n");
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return 1;
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}
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if (strcmp ("-a", argv[1]) == 0) {
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char** e = environ;
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while (e != NULL && *e != NULL) {
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printf ("%s\n", *e);
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++e;
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}
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return 0;
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}
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string = getenv (argv[1]);
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if (!string)
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{
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printf ("error: %s not found\n", argv[1]);
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return 1;
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}
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printf ("%s\n", string);
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return 0;
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}
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rtems_shell_cmd_t rtems_shell_GETENV_Command = {
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.name = "getenv",
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.usage = "getenv [-a] [var]",
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.topic = "misc",
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.command = rtems_shell_main_getenv,
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.alias = NULL,
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.next = NULL
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};
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