First Commit

src/common/string_util.cpp

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+/* This file is part of the dynarmic project.
+ * Copyright (c) 2016 MerryMage
+ * This software may be used and distributed according to the terms of the GNU
+ * General Public License version 2 or any later version.
+ */
+
+#include <cstdio>
+#include <cstdarg>
+#include <string>
+
+#include "common/string_util.h"
+
+namespace Dynarmic {
+namespace Common {
+
+std::string StringFromFormat(const char* format, ...) {
+    va_list args;
+
+    va_start(args, format);
+    int size = std::vsnprintf(nullptr, 0, format, args);
+    va_end(args);
+
+    std::string str;
+    str.resize(size+1);
+
+    va_start(args, format);
+    std::vsnprintf(&str[0], str.size(), format, args);
+    va_end(args);
+
+    str.resize(size);
+
+    return str;
+}
+
+} // namespace Common
+} // namespace Dynarmic