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/*
* VBSF - NLS support functions
* Copyright (C) 2011-2022 Eduardo Casino
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General License for more details.
*
* You should have received a copy of the GNU General License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef NLS_H
#define NLS_H
static bool illegal_char( unsigned char c )
{
int i= 0;
for ( i= 0; i < data.file_char->n_illegal; ++i )
{
if ( c == data.file_char->illegal[i] )
{
return true;
}
}
if ( ( c < data.file_char->lowest || c > data.file_char->highest ) ||
!( c < data.file_char->first_x || c > data.file_char->last_x ) )
{
return true;
}
return false;
}
static unsigned char nls_toupper( unsigned char c )
{
if ( c > 0x60 && c < 0x7b )
{
return c & 0xDF;
}
return ( c < 0x80 ? c : data.file_upper_case[c - 0x80] );
}
static inline bool nls_uppercase(SHFLSTRING *str)
{
int i;
bool upper_case = true;
for (i= 0; i < str->u16Length; ++i)
{
unsigned char upper = nls_toupper(str->ach[i]);
if (upper != str->ach[i]) {
str->ach[i] = upper;
upper_case = false;
}
}
return upper_case;
}
static inline bool valid_8_3_file_chars(char __far *fname )
{
int i;
for (i = 0; i < 11; ++i)
{
if ( fname[i] != ' ' && illegal_char(fname[i]) )
{
break;
}
}
return ( i == 11 );
}
#endif // NLS_H
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