added: Toa() methods for converting to a string (new file convert/inttostr.cpp):

template<class StringType> void Toa(unsigned long long value, StringType & res, bool clear_string = true, int base = 10);
template<class StringType> void Toa(long long value, StringType & res, bool clear_string = true, int base = 10);
template<class StringType> void Toa(unsigned long value, StringType & res, bool clear_string = true, int base = 10);
template<class StringType> void Toa(long value, StringType & res, bool clear_string = true, int base = 10);
template<class StringType> void Toa(unsigned int value, StringType & res, bool clear_string = true, int base = 10);
template<class StringType> void Toa(int value, StringType & res, bool clear_string = true, int base = 10);
template<class StringType> void Toa(unsigned short value, StringType & res, bool clear_string = true, int base = 10);
template<class StringType> void Toa(short value, StringType & res, bool clear_string = true, int base = 10);
std::wstring Toa(unsigned long long value, int base);
std::wstring Toa(long long value, int base);
std::wstring Toa(unsigned long value, int base);
std::wstring Toa(long value, int base);
std::wstring Toa(unsigned int value, int base);
std::wstring Toa(int value, int base);
std::wstring Toa(unsigned short value, int base);
std::wstring Toa(short value, int base);

convert/inttostr.h

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2012-2017, Tomasz Sowa
+ * Copyright (c) 2012-2021, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -38,6 +38,7 @@
 #ifndef headerfile_picotools_convert_inttostr
 #define headerfile_picotools_convert_inttostr
 
+#include <string>
 
 
 
@@ -188,6 +189,100 @@ bool Toa(short value, CharType * buffer, size_t buf_len, int base = 10, size_t *
 
 
 
+
+
+template<class StringType>
+void Toa(unsigned long long value, StringType & res, bool clear_string = true, int base = 10)
+{
+	typename StringType::value_type buffer[50];
+	size_t buffer_len = sizeof(buffer) / sizeof(wchar_t);
+
+	if( clear_string )
+		res.clear();
+
+	/*
+	 * the size of the buffer is sufficient so the status should always be true
+	 */
+	size_t len_out;
+	Toa(value, buffer, buffer_len, base, &len_out);
+	res.append(buffer, len_out);
+}
+
+
+template<class StringType>
+void Toa(long long value, StringType & res, bool clear_string = true, int base = 10)
+{
+	typename StringType::value_type buffer[50];
+	size_t buffer_len = sizeof(buffer) / sizeof(wchar_t);
+
+	if( clear_string )
+		res.clear();
+
+	/*
+	 * the size of the buffer is sufficient so the status should always be true
+	 */
+	size_t len_out;
+	Toa(value, buffer, buffer_len, base, &len_out);
+	res.append(buffer, len_out);
+}
+
+
+template<class StringType>
+void Toa(unsigned long value, StringType & res, bool clear_string = true, int base = 10)
+{
+	Toa(static_cast<unsigned long long>(value), res, clear_string, base);
+}
+
+
+template<class StringType>
+void Toa(long value, StringType & res, bool clear_string = true, int base = 10)
+{
+	Toa(static_cast<long long>(value), res, clear_string, base);
+}
+
+
+template<class StringType>
+void Toa(unsigned int value, StringType & res, bool clear_string = true, int base = 10)
+{
+	Toa(static_cast<unsigned long long>(value), res, clear_string, base);
+}
+
+
+template<class StringType>
+void Toa(int value, StringType & res, bool clear_string = true, int base = 10)
+{
+	Toa(static_cast<long long>(value), res, clear_string, base);
+}
+
+
+template<class StringType>
+void Toa(unsigned short value, StringType & res, bool clear_string = true, int base = 10)
+{
+	Toa(static_cast<unsigned long long>(value), res, clear_string, base);
+}
+
+
+template<class StringType>
+void Toa(short value, StringType & res, bool clear_string = true, int base = 10)
+{
+	Toa(static_cast<long long>(value), res, clear_string, base);
+}
+
+
+
+std::wstring Toa(unsigned long long value, int base = 10);
+std::wstring Toa(long long value, int base = 10);
+std::wstring Toa(unsigned long value, int base = 10);
+std::wstring Toa(long value, int base = 10);
+std::wstring Toa(unsigned int value, int base = 10);
+std::wstring Toa(int value, int base = 10);
+std::wstring Toa(unsigned short value, int base = 10);
+std::wstring Toa(short value, int base = 10);
+
+
+
+
+
 }