84 lines
3.0 KiB
C++
Executable File
84 lines
3.0 KiB
C++
Executable File
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Original Author:
|
|
* Scott Collins <scc@mozilla.org>
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the
|
|
* terms of the GNU General Public License Version 2 or later (the
|
|
* "GPL"), in which case the provisions of the GPL are applicable
|
|
* instead of those above. If you wish to allow use of your
|
|
* version of this file only under the terms of the GPL and not to
|
|
* allow others to use your version of this file under the MPL,
|
|
* indicate your decision by deleting the provisions above and
|
|
* replace them with the notice and other provisions required by
|
|
* the GPL. If you do not delete the provisions above, a recipient
|
|
* may use your version of this file under either the MPL or the
|
|
* GPL.
|
|
*/
|
|
|
|
#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);
|
|
}
|