C / C++ / MFC

kpeng1 wrote:

Is there anyway I can get the program to throw the divide by zero exception.

double x = 5.0;
double y = 0.0;

const double epsilon = 0.0001;

if (abs(y) < epsilon)
{
	throw "Divide by 0!";
}

double z = x / y;

jon_80 wrote:

strToken is retaining an invalid value.

jon_80 wrote:

strToken = strstr(buffer,strSearch);

const unsigned long MAX_SENTENCE_LENGTH = 100;

unsigned long HowManyInSentence(const char* sentence, const char* substring)
{
        char buffer[MAX_SENTENCE_LENGTH + 1] = {0};
        memcpy(buffer, sentence, MAX_WORD_LENGTH);
        char* token = 0;
        unsigned long wordCount = 0;
        token = strstr(buffer, substring);
        while (token != 0 && *token != 0)
        {
                if (strlen(token) > 0)
                {
                        ++wordCount;
                        token += strlen(substring);
                        if (token >= buffer + MAX_WORD_LENGTH)
                        {
                                break;
                        }
                }
                token = strstr(token, substring);
        }
        return wordCount;
}

unsigned long HowMany(const char* substring)
{
	// assume that g_sentences is declared somewhere and has MAX_SENTENCES entries
	unsigned long count = 0;
	for (int i = 0; i < MAX_SENTENCES; ++i)
	{
		count += HowManInSentence(g_sentences[i], substring);
	}

	return count;
}

jon_80 wrote:

...what do you mean by null-terminated?

jon_80 wrote:

but what do you mean by null-terminated?

if (token >= buffer + MAX_WORD_LENGTH)                        {                                
	break;
}