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121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
/* $NetBSD: cd9660_strings.c,v 1.4 2007/01/16 17:32:05 hubertf Exp $ */
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/*
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* Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
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* Perez-Rathke and Ram Vedam. All rights reserved.
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*
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* This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
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* Alan Perez-Rathke and Ram Vedam.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions 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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
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* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
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* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#include <sys/mount.h>
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <ctype.h>
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#include "makefs.h"
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#include "cd9660.h"
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void
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cd9660_uppercase_characters(char *str, int len)
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{
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int p;
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for (p = 0; p < len; p++) {
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if (islower((unsigned char)str[p]) )
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str[p] -= 32;
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}
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}
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static inline int
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cd9660_is_d_char(char c)
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{
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return (isupper((unsigned char)c)
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|| c == '_'
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|| (c >= '0' && c <= '9'));
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}
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static inline int
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cd9660_is_a_char(char c)
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{
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return (isupper((unsigned char)c)
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|| c == '_'
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|| (c >= '%' && c <= '?')
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|| (c >= ' ' && c <= '\"'));
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}
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/*
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* Test a string to see if it is composed of valid a characters
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* @param const char* The string to test
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* @returns int 1 if valid, 2 if valid if characters are converted to
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* upper case, 0 otherwise
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*/
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int
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cd9660_valid_a_chars(const char *str)
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{
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const char *c = str;
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int upperFound = 0;
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while ((*c) != '\0') {
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if (!(cd9660_is_a_char(*c))) {
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if (islower((unsigned char)*c) )
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upperFound = 1;
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else
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return 0;
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}
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c++;
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}
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return upperFound + 1;
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}
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/*
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* Test a string to see if it is composed of valid d characters
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* @param const char* The string to test
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* @returns int 1 if valid, 2 if valid if characters are converted to
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* upper case, 0 otherwise
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*/
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int
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cd9660_valid_d_chars(const char *str)
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{
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const char *c=str;
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int upperFound = 0;
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while ((*c) != '\0') {
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if (!(cd9660_is_d_char(*c))) {
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if (islower((unsigned char)*c) )
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upperFound = 1;
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else
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return 0;
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}
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c++;
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}
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return upperFound + 1;
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}
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