free « Dimensional Array « C Array Q&A

1. multi dimensional char array?    stackoverflow.com

What I am trying to do is create an 2-d array of character strings The following seg faults instantly, what is wrong?

void add2(char***b, char *i)
{
    if (!i) {
  ...

2. Problem with freeing a 2D array in C    stackoverflow.com

I tried to free a 2D array in C using Visual Studio 2005 & 2008:

void Free_C(int **Cmat)
{
    int i;
    for (i=0;i<ROW;i++)
     ...

3. Problem in Free() on 2D array    bytes.com

You have not returned the value of pointer allocated in allocate2D to main, the pointer arr in main remains uninitialised and then you pass it to deallocate2D which tries to free the uninitialised pointer that is passed to it. I suggest you return the pointer allocated in allocate2D via the return value of the function. Alternatively you need to pass the ...

4. malloc and free for 2-dimensional array    cboard.cprogramming.com

int **image_matrix; //Allocate memory and initialize image_matrix image_matrix = (int **)malloc(rows * sizeof(int *)); if (NULL == image_matrix) { free(image_matrix); printf("Memory allocation failed while allocating for the array[].\n"); exit(1); } image_matrix[0] = (int *)malloc(cols * rows * sizeof(int)); for(r=1; r

5. Correct usage of malloc and free for 2D array    cboard.cprogramming.com

I have a program that requires to create and delete a 2D array of variable size, hence the dynamic usage. However I wish to ask a simple question about the correct or recommended usage. For example, where should I reallocate the memory, should I simply free up the memory and use another allocation of memory i.e. memory allocation double etc should ...