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/*
Copyright (C) 2009 Red Hat, Inc.
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, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include "utils.h"
void string_vprintf(std::string& str, const char* format, va_list ap)
{
va_list ap_test;
va_copy(ap_test, ap);
int len = vsnprintf(NULL, 0, format, ap_test) + 1;
va_end(ap_test);
AutoArray<char> buf(new char[len]);
vsnprintf(buf.get(), len, format, ap);
str = buf.get();
}
void wstring_vprintf(std::wstring& str, const wchar_t* format, va_list ap)
{
int buf_size = 256;
for (;;) {
AutoArray<wchar_t> buf(new wchar_t[buf_size]);
va_list ap_test;
va_copy(ap_test, ap);
int r = vswprintf(buf.get(), buf_size, format, ap_test);
va_end(ap_test);
if (r != -1) {
str = buf.get();
return;
}
buf_size *= 2;
}
}
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