2026-27-cpp-homework/feladat5/feladat5/CMyStringException.cpp

// Tóth Dániel Mátyás | IFPQYY | v1
#include "CMyStringException.h"

static int strLength(const char* str) {
	if (str == nullptr)
	{
		return 0;
	}
	int cnt = 0;
	while (str[cnt])
	{
		cnt++;
	}
	return cnt;
}

static void CopyStr(char* dest, const char* src, size_t length) {
	if (dest == nullptr || src == nullptr) {
		return;
	}
	size_t i;
	for (i = 0; i < length; i++)
	{
		dest[i] = src[i];
	}
	dest[i] = '\0';
}

CMyStringException::CMyStringException(const char* input) {
	int len = strLength(input);
	msg = unique_ptr<char[]>(new char[len+1]);
	CopyStr(msg.get(), input, len);
}
const char* CMyStringException::what() const {
	return msg.get();
}