C / C++ / MFC

loid grey manuel wrote:

lets say its an application that collects updates from a common share-point.

loid grey manuel wrote:

and what are the common protocol and ports used for connection?

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Richard Andrew x64 wrote:

For example, if I want to load information for a single COM server under HKEY_CLASSES_ROOT, will everything that was previously under that key still be there?

TCPMem wrote:

but what if I want the second '\n'?

std::string str = "Line1Line1\nLine2Line2\n";
for (size_t pos = 0; pos != str.npos; pos = str.find('\n', ++pos))	
	std::cout << str.substr(pos); // do sompething with pos

Andy202 wrote:

char* GetOptions(short nStatus, char* szOptions)

char* GetOptions(short nStatus, char **szOptions)

char *OPTIONS_ENUMS[4] = {"OPT_1","OPT_2","OPT_3","OPT_4"};

// Would this work

for(int j = 0; j < 100; j++)
{
   if(OPTIONS_ENUMS[j] == NULL)
     return j;
}

char *OPTIONS_ENUMS[] = {"OPT_1","OPT_2","OPT_3","OPT_4", NULL};

char *OPTIONS_ENUMS[5] = {"OPT_1","OPT_2","OPT_3","OPT_4"}; // This works
for(int j = 0; j < 100; j++)
{   
    if(OPTIONS_ENUMS[j] == NULL)     
    return j;
}

std::vector<LPCSTR> OPTIONS_ENUMS = {"OPT_1","OPT_2","OPT_3","OPT_4"};

#define ARRAY_SIZE(_Array) (sizeof(_Array) / sizeof(_Array[0])) // This is the answer 

char *OPTIONS_ENUMS[] = {"OPT_1","OPT_2","OPT_3","OPT_4"}; 
for (j = 0; j < ARRAY_SIZE(OPTIONS_ENUMS); j++)
{   
    if(OPTIONS_ENUMS[j] == NULL) // will never happen   
    return j;

    // do something with OPTIONS_ENUMS[j]
}

#define ARRAY_SIZE(_Array) (sizeof(_Array) / sizeof(_Array[0])) // This is the answer

char *OPTIONS1_ENUMS[4] = {"OPT_1", "OPT_2", "OPT_3", "OPT_4"};
char *OPTIONS2_ENUMS[2] = {"OPT_1", "OPT_4"};
char *OPTIONS3_ENUMS[1] = {"OPT_1234"};
 
char* GetOptions(short enumValue, char** szOptions)
{
	int i, nOptions;
	short size;
	nOptions = 1;
	size = ARRAY_SIZE(szOptions);
	
	printf("Array Size = %d\n", size);
    // do something with OPTIONS_ENUMS[j]
}

// In the Main program call GetOptions() for 3 different sized arrays
GetOptions(1, OPTIONS1_ENUMS);
GetOptions(2, OPTIONS2_ENUMS);
GetOptions(3, OPTIONS3_ENUMS);

Andy202 wrote:

Thanks I just tested this and it did not work. The size is always 1.

Have I implemented it correct?

#define ARRAY_SIZE(_Array) (sizeof(_Array) / sizeof(_Array[0])) // This is the answer

char *OPTIONS1_ENUMS[] = {"OPT_1", "OPT_2", "OPT_3", "OPT_4"};
char *OPTIONS2_ENUMS[] = {"OPT_1", "OPT_4"};
char *OPTIONS3_ENUMS[] = {"OPT_1234"}; 

void GetOptions(short enumValue, char** szOptions, int Size)
{	
	printf("Array Size = %d\n", Size);    
}
int main()
{
	// In the Main program call GetOptions() for 3 different sized arrays
	GetOptions(1, OPTIONS1_ENUMS, ARRAY_SIZE(OPTIONS1_ENUMS));
	GetOptions(2, OPTIONS2_ENUMS, ARRAY_SIZE(OPTIONS2_ENUMS));
	GetOptions(3, OPTIONS3_ENUMS, ARRAY_SIZE(OPTIONS3_ENUMS));
}

char *OPTIONS_ENUMS[] = {"OPT_1","OPT_2","OPT_3","OPT_4", NULL};