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/* $OpenBSD: cd9660_strings.c,v 1.3 2016/10/16 20:26:56 natano Exp $ */
/* $NetBSD: cd9660_strings.c,v 1.6 2015/12/24 15:52:37 christos Exp $ */
/*
* Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
* Perez-Rathke and Ram Vedam. All rights reserved.
*
* This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
* Alan Perez-Rathke and Ram Vedam.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``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 DANIEL WATT, WALTER DEIGNAN, RYAN
* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM 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.
*/
#include <ctype.h>
#include "makefs.h"
void
cd9660_uppercase_characters(char *str, size_t len)
{
size_t p;
for (p = 0; p < len; p++) {
if (islower((unsigned char)str[p]) )
str[p] -= 32;
}
}
static inline int
cd9660_is_d_char(char c)
{
return (isupper((unsigned char)c)
|| c == '_'
|| (c >= '0' && c <= '9'));
}
static inline int
cd9660_is_a_char(char c)
{
return (isupper((unsigned char)c)
|| c == '_'
|| (c >= '%' && c <= '?')
|| (c >= ' ' && c <= '\"'));
}
/*
* Test a string to see if it is composed of valid a characters
* @param const char* The string to test
* @returns int 1 if valid, 2 if valid if characters are converted to
* upper case, 0 otherwise
*/
int
cd9660_valid_a_chars(const char *str)
{
const char *c = str;
int upperFound = 0;
while ((*c) != '\0') {
if (!(cd9660_is_a_char(*c))) {
if (islower((unsigned char)*c) )
upperFound = 1;
else
return 0;
}
c++;
}
return upperFound + 1;
}
/*
* Test a string to see if it is composed of valid d characters
* @param const char* The string to test
* @returns int 1 if valid, 2 if valid if characters are converted to
* upper case, 0 otherwise
*/
int
cd9660_valid_d_chars(const char *str)
{
const char *c=str;
int upperFound = 0;
while ((*c) != '\0') {
if (!(cd9660_is_d_char(*c))) {
if (islower((unsigned char)*c) )
upperFound = 1;
else
return 0;
}
c++;
}
return upperFound + 1;
}
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