forked from Imagelibrary/rtems
93 lines
2.3 KiB
C
93 lines
2.3 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 BSPCommandLine BSP Command Line Helpers
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*
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* @brief Obtain COPY of the Entire Matching Argument
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*/
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/*
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* COPYRIGHT (c) 1989-2009.
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* On-Line Applications Research Corporation (OAR).
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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 <rtems/bspcmdline.h>
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static void copy_string(
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const char *start,
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char *value,
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size_t length
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)
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{
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int i;
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int quotes;
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const char *p = start;
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quotes=0;
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for (i=0 ; *p && i<length-1; ) {
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if ( *p == '\"' ) {
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quotes++;
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} else if ( ((quotes % 2) == 0) && *p == ' ' )
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break;
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value[i++] = *p++;
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value[i] = '\0';
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}
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}
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const char *rtems_bsp_cmdline_get_param(
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const char *name,
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char *value,
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size_t length
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)
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{
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const char *p;
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if ( !name )
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return NULL;
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if ( !value )
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return NULL;
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if ( !length )
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return NULL;
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value[0] = '\0';
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p = rtems_bsp_cmdline_get_param_raw( name );
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if ( !p )
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return NULL;
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copy_string( p, value, length );
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return value;
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}
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