113 lines
2.4 KiB
C++
113 lines
2.4 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2025, Parallax Software, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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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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//
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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 <https://www.gnu.org/licenses/>.
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//
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// The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software.
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//
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// Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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//
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// This notice may not be removed or altered from any source distribution.
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#include "Machine.hh"
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#include <stdio.h>
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#include <windows.h> // GetSystemInfo
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namespace sta {
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// Windows returns -1 if the string does not fit rather than the
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// required string length as the standard specifies.
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int
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vsnprint(char *str,
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size_t size,
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const char *fmt,
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va_list args)
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{
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// Copy args before using them because consumption is destructive.
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va_list args_copy1;
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va_copy(args_copy1, args);
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int length = vsnprintf(str, size, fmt, args);
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while (length < 0) {
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size *= 2;
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char *buffer = new char[size];
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va_list args_copy2;
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va_copy(args_copy2, args_copy1);
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length = vsnprintf(buffer, size, fmt, args_copy2);
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delete [] buffer;
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}
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return length;
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}
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int
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vasprintf(char **str,
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const char *fmt,
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va_list args)
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{
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size_t size = 1024;
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for (;;) {
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size *= 2;
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char *buffer = new char[size];
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// Copy args before using them because consumption is destructive.
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va_list args_copy2;
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va_copy(args_copy2, args);
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int length = vsnprintf(buffer, size, fmt, args_copy2);
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if (length >= 0) {
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*str = buffer;
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return length;
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}
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delete[] buffer;
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}
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}
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int
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processorCount()
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{
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return 1;
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}
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void
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initElapsedTime()
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{
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}
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double
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elapsedRunTime()
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{
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return 0.0;
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}
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double
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userRunTime()
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{
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return 0.0;
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}
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double
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systemRunTime()
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{
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return 0.0;
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}
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size_t
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memoryUsage()
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{
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return 0;
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}
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} // namespace
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