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/*
* Copyright (c) 2018 Paul Mattes.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the names of Paul Mattes nor the names of his contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY PAUL MATTES "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 PAUL MATTES 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.
*/
/*
* boolstr.c
* Boolean value parsing.
*/
#include "globals.h"
#include "boolstr.h"
/**
* Parse a boolean string.
*
* @param[in] text String to parse.
* @param[in] result Parsed value.
*
* @return NULL if parsed, error string if not
*/
const char *
boolstr(const char *text, bool *result)
{
if (!strcasecmp(text, "true")
|| !strcasecmp(text, "t")
|| !strcasecmp(text, "set")
|| !strcasecmp(text, "on")
|| !strcasecmp(text, "1")) {
*result = true;
return NULL;
}
if (!strcasecmp(text, "false")
|| !strcasecmp(text, "f")
|| !strcasecmp(text, "clear")
|| !strcasecmp(text, "off")
|| !strcasecmp(text, "0")) {
*result = false;
return NULL;
}
return "value must be true or false";
}
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