int umocktypes_copy_charptr()

in src/umocktypes_charptr.c [91:133]

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

int umocktypes_copy_charptr(char** destination, const char** source)
{
    int result;

    /* Codes_SRS_UMOCKTYPES_CHARPTR_01_013: [ If source or destination are NULL, umocktypes_copy_charptr shall return a non-zero value. ]*/
    if ((destination == NULL) || (source == NULL))
    {
        UMOCK_LOG("umocktypes_copy_charptr: Bad arguments: destination = %p, source = %p.",
            destination, source);
        result = __LINE__;
    }
    else
    {
        if (*source == NULL)
        {
            *destination = NULL;
            result = 0;
        }
        else
        {
            size_t source_length = strlen(*source);
            /* Codes_SRS_UMOCKTYPES_CHARPTR_01_012: [ The number of bytes allocated shall accomodate the string pointed to by source. ]*/
            /* Codes_SRS_UMOCKTYPES_CHARPTR_01_011: [ umocktypes_copy_charptr shall allocate a new sequence of chars by using umockalloc_malloc. ]*/
            /* Codes_SRS_UMOCKTYPES_CHARPTR_01_015: [ The newly allocated string shall be returned in the destination argument. ]*/
            *destination = (char*)umockalloc_malloc(source_length + 1);
            if (*destination == NULL)
            {
                /* Codes_SRS_UMOCKTYPES_CHARPTR_01_036: [ If allocating the memory for the new string fails, umocktypes_copy_charptr shall fail and return a non-zero value. ]*/
                UMOCK_LOG("umocktypes_copy_charptr: Failed allocating memory for the destination string.");
                result = __LINE__;
            }
            else
            {
                /* Codes_SRS_UMOCKTYPES_CHARPTR_01_014: [ umocktypes_copy_charptr shall copy the string pointed to by source to the newly allocated memory. ]*/
                (void)memcpy(*destination, *source, source_length + 1);
                /* Codes_SRS_UMOCKTYPES_CHARPTR_01_016: [ On success umocktypes_copy_charptr shall return 0. ]*/
                result = 0;
            }
        }
    }

    return result;
}