25 lines
636 B
C++
25 lines
636 B
C++
#include "StringHelper.hpp"
|
|
#include <stdexcept>
|
|
|
|
namespace Unvirt {
|
|
namespace StringHelper {
|
|
|
|
void StdstringPrintf(std::string& strl, const char* format, ...) {
|
|
va_list argptr;
|
|
va_start(argptr, format);
|
|
StdstringVPrintf(strl, format, argptr);
|
|
va_end(argptr);
|
|
}
|
|
|
|
void StdstringVPrintf(std::string& strl, const char* format, va_list argptr) {
|
|
int count = _vsnprintf(NULL, 0, format, argptr);
|
|
|
|
strl.resize(count);
|
|
int write_result = _vsnprintf(strl.data(), count, format, argptr);
|
|
|
|
if (write_result < 0 || write_result >= count) throw new std::length_error("Invalid write_result in _vsnprintf.");
|
|
}
|
|
|
|
}
|
|
}
|