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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsPrintfCString.h"
#include <stdarg.h>
#include "prprf.h"
// though these classes define a fixed buffer, they do not set the F_FIXED
// flag. this is because they are not intended to be modified after they have
// been constructed. we could change this but it would require adding a new
// class to the hierarchy, one that both this class and nsCAutoString would
// inherit from. for now, we populate the fixed buffer, and then let the
// nsCString code treat the buffer as if it were a dependent buffer.
nsPrintfCString::nsPrintfCString( const char_type* format, ... )
: string_type(mLocalBuffer, 0, F_TERMINATED)
{
va_list ap;
size_type logical_capacity = kLocalBufferSize;
size_type physical_capacity = logical_capacity + 1;
va_start(ap, format);
mLength = PR_vsnprintf(mData, physical_capacity, format, ap);
va_end(ap);
}
nsPrintfCString::nsPrintfCString( size_type n, const char_type* format, ... )
: string_type(mLocalBuffer, 0, F_TERMINATED)
{
va_list ap;
// make sure there's at least |n| space
size_type logical_capacity = kLocalBufferSize;
if ( n > logical_capacity )
{
SetCapacity(n);
if (Capacity() < n)
return; // out of memory !!
logical_capacity = n;
}
size_type physical_capacity = logical_capacity + 1;
va_start(ap, format);
mLength = PR_vsnprintf(mData, physical_capacity, format, ap);
va_end(ap);
}
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