* does not use refcouting/COW but has a small string optimization.
*/
XBT_PUBLIC_CLASS string : private string_data {
- static const char NUL;
+ static char NUL;
+
public:
// Types
typedef std::size_t size_type;
{
if (size == 0) {
string_data::len = 0;
- string_data::data = const_cast<char*>(&NUL);
+ string_data::data = &NUL;
} else {
string_data::len = size;
string_data::data = new char[string_data::len + 1];
string_data::data[string_data::len] = '\0';
}
}
- string() : string (const_cast<char*>(&NUL), 0) {}
- string(const char* s) : string(s, strlen(s)) {}
+ string() : string(&NUL, 0) {}
+ explicit string(const char* s) : string(s, strlen(s)) {}
string(string const& s) : string(s.c_str(), s.size()) {}
string(string&& s)
{
string_data::len = s.string_data::len;
string_data::data = s.string_data::data;
s.string_data::len = 0;
- s.string_data::data = const_cast<char*>(&NUL);
+ s.string_data::data = &NUL;
}
- string(std::string const& s) : string(s.c_str(), s.size()) {}
+ explicit string(std::string const& s) : string(s.c_str(), s.size()) {}
// Assign
void assign(const char* s, size_t size)
size_t size() const { return len; }
size_t length() const { return len; }
bool empty() const { return len != 0; }
- void shrink_to_fit() {}
+ void shrink_to_fit() { /* Being there, but doing nothing */}
// Alement access
char* data() { return string_data::data; }
void clear()
{
string_data::len = 0;
- string_data::data = const_cast<char*>(&NUL);
+ string_data::data = &NUL;
}
bool equals(const char* data, std::size_t len) const
*
* @ingroup XBT_str
*/
-std::string string_printf(const char *fmt, ...);
+XBT_PUBLIC(std::string) string_printf(const char* fmt, ...);
/** Create a C++ string from a C-style format
*
* @ingroup XBT_str
*/
-std::string string_vprintf(const char *fmt, va_list ap);
-
+XBT_PUBLIC(std::string) string_vprintf(const char* fmt, va_list ap);
}
}