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/*
* cook - file construction tool
* Copyright (C) 1998, 2001, 2006, 2007 Peter Miller;
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public 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 Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to upcase strings
*/
#include <common/ac/ctype.h>
#include <common/str.h>
#include <common/stracc.h>
/*
* NAME
* str_upcase - upcase a string
*
* SYNOPSIS
* string_ty *str_upcase(string_ty *);
*
* DESCRIPTION
* The str_upcase function is used to form a string which is an upper case
* form of the supplied string.
*
* RETURNS
* string_ty * - a pointer to a string in dynamic memory.
* Use str_free when finished with.
*
* CAVEAT
* The contents of the structure pointed to MUST NOT be altered.
*/
string_ty *
str_upcase(string_ty *s)
{
static stracc sa;
char *cp1;
sa_open(&sa);
for (cp1 = s->str_text; *cp1; ++cp1)
{
int c;
c = (unsigned char)*cp1;
if (islower(c))
c = toupper(c);
sa_char(&sa, c);
}
return sa_close(&sa);
}
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