mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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Copyright (C) 2009 Red Hat, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdarg.h>
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#include "utils.h"
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void string_vprintf(std::string& str, const char* format, va_list ap)
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{
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va_list ap_test;
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va_copy(ap_test, ap);
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int len = vsnprintf(NULL, 0, format, ap_test) + 1;
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va_end(ap_test);
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AutoArray<char> buf(new char[len]);
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vsnprintf(buf.get(), len, format, ap);
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str = buf.get();
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}
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void wstring_vprintf(std::wstring& str, const wchar_t* format, va_list ap)
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{
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int buf_size = 256;
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for (;;) {
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AutoArray<wchar_t> buf(new wchar_t[buf_size]);
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va_list ap_test;
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va_copy(ap_test, ap);
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int r = vswprintf(buf.get(), buf_size, format, ap_test);
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va_end(ap_test);
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if (r != -1) {
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str = buf.get();
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return;
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}
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buf_size *= 2;
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}
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}
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