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/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* 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 or as specified alternatively below. 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.
*
* Major Contributor(s):
* [ Copyright (C) 2011 Stephan Bergmann, Red Hat Inc. <sbergman@redhat.com>
* (initial developer) ]
*
* All Rights Reserved.
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
#include "precompiled_sal.hxx"
#include "sal/config.h"
#include <cstdarg>
#include <cstring>
#include <stdio.h> // vsnprintf not in C++03 <cstdio>, only C99 <stdio.h>
#include "osl/diagnose.h"
#include "rtl/string.h"
#include "rtl/string.hxx"
rtl_String * osl_detail_formatString(char const * format, ...)
SAL_THROW_EXTERN_C()
{
// Avoid the use of other sal code as much as possible, so that this code
// can be called from other sal code without causing endless recursion:
char buf[1024];
int n1 = sizeof buf - RTL_CONSTASCII_LENGTH("...");
std::va_list args;
va_start(args, format);
int n2 = vsnprintf(buf, n1, format, args);
va_end(args);
if (n2 < 0) {
std::strcpy(buf, "???");
n2 = RTL_CONSTASCII_LENGTH("???");
} else if (n2 >= n1) {
std::strcpy(buf + n1 - 1, "...");
n2 = sizeof buf - 1;
}
rtl::OString s(buf, n2);
rtl_string_acquire(s.pData);
return s.pData;
}
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