static int s_profile_property_merge()

in source/aws_profile.c [366:432]

• 49 lines of code
• 10 McCabe index (conditional complexity)

static int s_profile_property_merge(struct aws_profile_property *dest, const struct aws_profile_property *source) {

    AWS_ASSERT(dest != NULL && source != NULL);

    /*
     * Source value overwrites any existing dest value
     */
    if (source->value) {
        struct aws_string *new_value = aws_string_new_from_string(dest->allocator, source->value);
        if (new_value == NULL) {
            return AWS_OP_ERR;
        }

        if (dest->value) {
            AWS_LOGF_WARN(
                AWS_LS_SDKUTILS_PROFILE,
                "property \"%s\" has value \"%s\" replaced during merge",
                dest->name->bytes,
                dest->value->bytes);
            aws_string_destroy(dest->value);
        }

        dest->value = new_value;
    }

    dest->is_empty_valued = source->is_empty_valued;

    /*
     * Iterate sub properties, stomping on conflicts
     */
    struct aws_hash_iter source_iter = aws_hash_iter_begin(&source->sub_properties);
    while (!aws_hash_iter_done(&source_iter)) {
        struct aws_string *source_sub_property = (struct aws_string *)source_iter.element.value;

        struct aws_string *dest_key =
            aws_string_new_from_string(dest->allocator, (struct aws_string *)source_iter.element.key);
        if (dest_key == NULL) {
            return AWS_OP_ERR;
        }

        struct aws_string *dest_sub_property = aws_string_new_from_string(dest->allocator, source_sub_property);
        if (dest_sub_property == NULL) {
            aws_string_destroy(dest_key);
            return AWS_OP_ERR;
        }

        int was_present = 0;
        aws_hash_table_remove(&dest->sub_properties, dest_key, NULL, &was_present);
        if (was_present) {
            AWS_LOGF_WARN(
                AWS_LS_SDKUTILS_PROFILE,
                "subproperty \"%s\" of property \"%s\" had value overridden during property merge",
                dest_key->bytes,
                dest->name->bytes);
        }

        if (aws_hash_table_put(&dest->sub_properties, dest_key, dest_sub_property, NULL)) {
            aws_string_destroy(dest_sub_property);
            aws_string_destroy(dest_key);
            return AWS_OP_ERR;
        }

        aws_hash_iter_next(&source_iter);
    }

    return AWS_OP_SUCCESS;
}