+ memcached_st memc, *memc_ptr;
+
+ if (option_string == NULL or length == 0)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ if (error_buffer and error_buffer_size)
+ {
+ error_buffer[0]= 0;
+ }
+
+ if (not (memc_ptr= memcached_create(&memc)))
+ {
+ return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
+ }
+
+ memcached_return_t rc= memcached_parse_configuration(memc_ptr, option_string, length);
+ if (memcached_failed(rc) and error_buffer and error_buffer_size)
+ {
+ strncpy(error_buffer, memcached_last_error_message(memc_ptr), error_buffer_size);
+ error_buffer[error_buffer_size -1]= 0;
+ }
+
+ bool has_filename= memcached_behavior_get(memc_ptr, MEMCACHED_BEHAVIOR_LOAD_FROM_FILE);
+ if (memcached_success(rc) and has_filename)
+ {
+ assert_msg(memcached_parse_filename(memc_ptr), "Invalid configuration file");
+ assert_msg(memcached_parse_filename_length(memc_ptr), "Invalid configuration file");
+ rc= _parse_file_options(*memc_ptr, memc_ptr->configure.filename);
+
+ if (memcached_failed(rc) and error_buffer and error_buffer_size)
+ {
+ strncpy(error_buffer, memcached_last_error_message(memc_ptr), error_buffer_size);
+ error_buffer[error_buffer_size -1]= 0;
+ }
+ }