210 	int ret;  in enable_disable_all_channels()  local
223 	ret = -ENOENT;  in enable_disable_all_channels()
229 			ret = write_sysfs_int(ent->d_name, scanelemdir,  in enable_disable_all_channels()
231 			if (ret < 0)  in enable_disable_all_channels()
271 	int ret;  in cleanup()  local
276 		ret = write_sysfs_string("trigger/current_trigger",  in cleanup()
278 		if (ret < 0)  in cleanup()
280 				strerror(-ret));  in cleanup()
286 		ret = write_sysfs_int("enable", buf_dir_name, 0);  in cleanup()
287 		if (ret < 0)  in cleanup()
289 				strerror(-ret));  in cleanup()
294 		ret = enable_disable_all_channels(dev_dir_name, 0);  in cleanup()
295 		if (ret)  in cleanup()
312 	int ret, i;  in register_cleanup()  local
315 		ret = sigaction(signums[i], &sa, NULL);  in register_cleanup()
316 		if (ret) {  in register_cleanup()
337 	int ret, c, i, j, toread;  in main()  local
371 				ret = -errno;  in main()
386 				ret = -errno;  in main()
398 				ret = -errno;  in main()
415 				ret = -errno;  in main()
421 			ret = -1;  in main()
430 		ret = -1;  in main()
435 		ret = -1;  in main()
441 			ret = dev_num;  in main()
447 	ret = asprintf(&dev_dir_name, "%siio:device%d", iio_dir, dev_num);  in main()
448 	if (ret < 0)  in main()
454 			ret = -ENOMEM;  in main()
457 		ret = read_sysfs_string("name", dev_dir_name, device_name);  in main()
458 		if (ret < 0) {  in main()
468 		ret = asprintf(&trig_dev_name, "%strigger%d", iio_dir, trig_num);  in main()
469 		if (ret < 0) {  in main()
473 		ret = read_sysfs_string("name", trig_dev_name, trigger_name);  in main()
475 		if (ret < 0) {  in main()
477 			return ret;  in main()
487 			ret = asprintf(&trigger_name,  in main()
489 			if (ret < 0) {  in main()
490 				ret = -ENOMEM;  in main()
500 			ret = asprintf(&trigger_name,  in main()
502 			if (ret < 0) {  in main()
503 				ret = -ENOMEM;  in main()
512 			ret = trig_num;  in main()
523 	ret = build_channel_array(dev_dir_name, &channels, &num_channels);  in main()
524 	if (ret) {  in main()
540 		ret = enable_disable_all_channels(dev_dir_name, 1);  in main()
541 		if (ret) {  in main()
549 		ret = build_channel_array(dev_dir_name, &channels,  in main()
551 		if (ret) {  in main()
571 		ret = -ENOENT;  in main()
580 	ret = asprintf(&buf_dir_name,  in main()
582 	if (ret < 0) {  in main()
583 		ret = -ENOMEM;  in main()
593 		ret = write_sysfs_string_and_verify("trigger/current_trigger",  in main()
596 		if (ret < 0) {  in main()
604 	ret = write_sysfs_int("length", buf_dir_name, buf_len);  in main()
605 	if (ret < 0)  in main()
609 	ret = write_sysfs_int("enable", buf_dir_name, 1);  in main()
610 	if (ret < 0) {  in main()
612 			"Failed to enable buffer: %s\n", strerror(-ret));  in main()
619 		ret = -ENOMEM;  in main()
623 	ret = asprintf(&buffer_access, "/dev/iio:device%d", dev_num);  in main()
624 	if (ret < 0) {  in main()
625 		ret = -ENOMEM;  in main()
632 		ret = -errno;  in main()
644 			ret = poll(&pfd, 1, -1);  in main()
645 			if (ret < 0) {  in main()
646 				ret = -errno;  in main()
648 			} else if (ret == 0) {  in main()
689 	return ret;  in main()