C / C++ / MFC

gmallax wrote:

Is any way to do this?

gmallax wrote:

could you help me.

char buffer40[40];
char buffer50[50];
...initialize your buffers with whatever content you need to...
char buffer90[40 + 50]; //I could have written 90 here instead of 40+50, it's just so for clearity's sake
strcpy(buffer90, buffer40);
strcap(buffer90, buffer50);
...both of your strings are in buffer90 now...

char first_buffer[whatever size_1];
char second_buffer[whatever size_2];
...initialize your buffers with whatever content you need to...
char *concatenated_buffer = new char[strlen(first_buffer) + strlen(second_buffer) + 1];
strcpy(concatenated_buffer, first_buffer);
strcat(concatenated_buffer, second_buffer);
...both of your strings are in concatenated_buffer now...
delete []concatenated_buffer;

unsigned char buf1[40];
unsigned char buf2[50];
unsigned char result[90];
memcpy(result, buf1, 40);
memcpy(&result[40], buf2, 50);

std::vector<char> appended_buffer( &buffer_1[ 0 ], &buffer_1[ 40 ] );
appended_buffer.resize( appended_buffer.size() + (&buffer_2[ 50 ] - &buffer_2[ 0 ]) );
std::copy( &buffer_2[ 0 ], &buffer_2[ 50 ], &appended_buffer[ 40 ] );

std::vector<char> appended_buffer( buffer_1.size() + buffer_2.size() );
std::copy( buffer_2.begin(), buffer_2.end(),
	std::copy( buffer_1.begin(), buffer_1.end(), appended_buffer.begin() ) );