int umocktypes_copy_wcharptr()

in src/umocktypes_wcharptr.c [123:165]

• 34 lines of code
• 5 McCabe index (conditional complexity)

int umocktypes_copy_wcharptr(wchar_t** destination, const wchar_t** source)
{
    int result;

    /* Codes_SRS_UMOCKTYPES_WCHARPTR_01_013: [ If source or destination are NULL, umocktypes_copy_wcharptr shall return a non-zero value. ]*/
    if ((destination == NULL) || (source == NULL))
    {
        UMOCK_LOG("umocktypes_copy_wcharptr: Bad arguments: destination = %p, source = %p.",
            destination, source);
        result = __LINE__;
    }
    else
    {
        if (*source == NULL)
        {
            *destination = NULL;
            result = 0;
        }
        else
        {
            size_t source_length = wcslen(*source);
            /* Codes_SRS_UMOCKTYPES_WCHARPTR_01_012: [ The number of bytes allocated shall accommodate the string pointed to by source. ]*/
            /* Codes_SRS_UMOCKTYPES_WCHARPTR_01_011: [ umocktypes_copy_wcharptr shall allocate a new sequence of chars by using umockalloc_malloc. ]*/
            /* Codes_SRS_UMOCKTYPES_WCHARPTR_01_015: [ The newly allocated string shall be returned in the destination argument. ]*/
            *destination = (wchar_t*)umockalloc_malloc((source_length + 1) * sizeof(wchar_t));
            if (*destination == NULL)
            {
                /* Codes_SRS_UMOCKTYPES_WCHARPTR_01_036: [ If allocating the memory for the new string fails, umocktypes_copy_wcharptr shall fail and return a non-zero value. ]*/
                UMOCK_LOG("umocktypes_copy_wcharptr: Failed allocating memory for the destination string.");
                result = __LINE__;
            }
            else
            {
                /* Codes_SRS_UMOCKTYPES_WCHARPTR_01_014: [ umocktypes_copy_wcharptr shall copy the string pointed to by source to the newly allocated memory. ]*/
                (void)memcpy(*destination, *source, (source_length + 1) * sizeof(wchar_t));
                /* Codes_SRS_UMOCKTYPES_WCHARPTR_01_016: [ On success umocktypes_copy_wcharptr shall return 0. ]*/
                result = 0;
            }
        }
    }

    return result;
}