37 	int i, ret;  in iioutils_break_up_name()  local
68 	ret = asprintf(generic_name, "%s_%s", prefix, working);  in iioutils_break_up_name()
71 	return (ret == -1) ? -ENOMEM : 0;  in iioutils_break_up_name()
94 	int ret;  in iioutils_get_type()  local
101 	ret = asprintf(&scan_el_dir, FORMAT_SCAN_ELEMENTS_DIR, device_dir);  in iioutils_get_type()
102 	if (ret < 0)  in iioutils_get_type()
105 	ret = asprintf(&builtname, FORMAT_TYPE_FILE, name);  in iioutils_get_type()
106 	if (ret < 0) {  in iioutils_get_type()
107 		ret = -ENOMEM;  in iioutils_get_type()
110 	ret = asprintf(&builtname_generic, FORMAT_TYPE_FILE, generic_name);  in iioutils_get_type()
111 	if (ret < 0) {  in iioutils_get_type()
112 		ret = -ENOMEM;  in iioutils_get_type()
118 		ret = -errno;  in iioutils_get_type()
122 	ret = -ENOENT;  in iioutils_get_type()
130 			ret = asprintf(&filename,  in iioutils_get_type()
132 			if (ret < 0) {  in iioutils_get_type()
133 				ret = -ENOMEM;  in iioutils_get_type()
139 				ret = -errno;  in iioutils_get_type()
145 			ret = fscanf(sysfsfp,  in iioutils_get_type()
151 			if (ret < 0) {  in iioutils_get_type()
152 				ret = -errno;  in iioutils_get_type()
156 			} else if (ret != 5) {  in iioutils_get_type()
157 				ret = -EIO;  in iioutils_get_type()
172 				ret = -errno;  in iioutils_get_type()
203 	return ret;  in iioutils_get_type()
221 	int ret;  in iioutils_get_param_float()  local
227 	ret = asprintf(&builtname, "%s_%s", name, param_name);  in iioutils_get_param_float()
228 	if (ret < 0)  in iioutils_get_param_float()
231 	ret = asprintf(&builtname_generic,  in iioutils_get_param_float()
233 	if (ret < 0) {  in iioutils_get_param_float()
234 		ret = -ENOMEM;  in iioutils_get_param_float()
240 		ret = -errno;  in iioutils_get_param_float()
244 	ret = -ENOENT;  in iioutils_get_param_float()
248 			ret = asprintf(&filename,  in iioutils_get_param_float()
250 			if (ret < 0) {  in iioutils_get_param_float()
251 				ret = -ENOMEM;  in iioutils_get_param_float()
257 				ret = -errno;  in iioutils_get_param_float()
263 				ret = errno ? -errno : -ENODATA;  in iioutils_get_param_float()
280 	return ret;  in iioutils_get_param_float()
318 	int ret;  in build_channel_array()  local
324 	ret = asprintf(&scan_el_dir, FORMAT_SCAN_ELEMENTS_DIR, device_dir);  in build_channel_array()
325 	if (ret < 0)  in build_channel_array()
330 		ret = -errno;  in build_channel_array()
337 			ret = asprintf(&filename,  in build_channel_array()
339 			if (ret < 0) {  in build_channel_array()
340 				ret = -ENOMEM;  in build_channel_array()
346 				ret = -errno;  in build_channel_array()
352 			if (fscanf(sysfsfp, "%i", &ret) != 1) {  in build_channel_array()
353 				ret = errno ? -errno : -ENODATA;  in build_channel_array()
360 			if (ret == 1)  in build_channel_array()
364 				ret = -errno;  in build_channel_array()
374 		ret = -ENOMEM;  in build_channel_array()
385 			ret = asprintf(&filename,  in build_channel_array()
387 			if (ret < 0) {  in build_channel_array()
388 				ret = -ENOMEM;  in build_channel_array()
396 				ret = -errno;  in build_channel_array()
404 				ret = errno ? -errno : -ENODATA;  in build_channel_array()
411 				ret = -errno;  in build_channel_array()
430 				ret = -ENOMEM;  in build_channel_array()
436 			ret = iioutils_break_up_name(current->name,  in build_channel_array()
438 			if (ret) {  in build_channel_array()
445 			ret = asprintf(&filename,  in build_channel_array()
449 			if (ret < 0) {  in build_channel_array()
451 				ret = -ENOMEM;  in build_channel_array()
457 				ret = -errno;  in build_channel_array()
466 				ret = errno ? -errno : -ENODATA;  in build_channel_array()
475 				ret = -errno;  in build_channel_array()
482 			ret = iioutils_get_param_float(&current->scale,  in build_channel_array()
487 			if ((ret < 0) && (ret != -ENOENT))  in build_channel_array()
490 			ret = iioutils_get_param_float(&current->offset,  in build_channel_array()
495 			if ((ret < 0) && (ret != -ENOENT))  in build_channel_array()
498 			ret = iioutils_get_type(&current->is_signed,  in build_channel_array()
507 			if (ret < 0)  in build_channel_array()
513 		ret = -errno;  in build_channel_array()
539 	return ret;  in build_channel_array()
566 	int number, numstrlen, ret;  in find_type_by_name()  local
585 			ret = sscanf(ent->d_name + strlen(type), "%d", &number);  in find_type_by_name()
586 			if (ret < 0) {  in find_type_by_name()
587 				ret = -errno;  in find_type_by_name()
591 			} else if (ret != 1) {  in find_type_by_name()
592 				ret = -EIO;  in find_type_by_name()
605 					ret = -ENOMEM;  in find_type_by_name()
609 				ret = sprintf(filename, "%s%s%d/name", iio_dir,  in find_type_by_name()
611 				if (ret < 0) {  in find_type_by_name()
625 					ret = errno ? -errno : -ENODATA;  in find_type_by_name()
630 					ret = -errno;  in find_type_by_name()
652 	return ret;  in find_type_by_name()
658 	int ret = 0;  in _write_sysfs_int()  local
666 	ret = sprintf(temp, "%s/%s", basedir, filename);  in _write_sysfs_int()
667 	if (ret < 0)  in _write_sysfs_int()
672 		ret = -errno;  in _write_sysfs_int()
677 	ret = fprintf(sysfsfp, "%d", val);  in _write_sysfs_int()
678 	if (ret < 0) {  in _write_sysfs_int()
686 		ret = -errno;  in _write_sysfs_int()
693 			ret = -errno;  in _write_sysfs_int()
699 			ret = errno ? -errno : -ENODATA;  in _write_sysfs_int()
707 			ret = -errno;  in _write_sysfs_int()
715 			ret = -1;  in _write_sysfs_int()
721 	return ret;  in _write_sysfs_int()
755 	int ret = 0;  in _write_sysfs_string()  local
764 	ret = sprintf(temp, "%s/%s", basedir, filename);  in _write_sysfs_string()
765 	if (ret < 0)  in _write_sysfs_string()
770 		ret = -errno;  in _write_sysfs_string()
775 	ret = fprintf(sysfsfp, "%s", val);  in _write_sysfs_string()
776 	if (ret < 0) {  in _write_sysfs_string()
784 		ret = -errno;  in _write_sysfs_string()
791 			ret = -errno;  in _write_sysfs_string()
797 			ret = errno ? -errno : -ENODATA;  in _write_sysfs_string()
805 			ret = -errno;  in _write_sysfs_string()
814 			ret = -1;  in _write_sysfs_string()
821 	return ret;  in _write_sysfs_string()
862 	int ret;  in read_sysfs_posint()  local
871 	ret = sprintf(temp, "%s/%s", basedir, filename);  in read_sysfs_posint()
872 	if (ret < 0)  in read_sysfs_posint()
877 		ret = -errno;  in read_sysfs_posint()
882 	if (fscanf(sysfsfp, "%d\n", &ret) != 1) {  in read_sysfs_posint()
883 		ret = errno ? -errno : -ENODATA;  in read_sysfs_posint()
891 		ret = -errno;  in read_sysfs_posint()
896 	return ret;  in read_sysfs_posint()
909 	int ret = 0;  in read_sysfs_float()  local
918 	ret = sprintf(temp, "%s/%s", basedir, filename);  in read_sysfs_float()
919 	if (ret < 0)  in read_sysfs_float()
924 		ret = -errno;  in read_sysfs_float()
930 		ret = errno ? -errno : -ENODATA;  in read_sysfs_float()
938 		ret = -errno;  in read_sysfs_float()
943 	return ret;  in read_sysfs_float()
956 	int ret = 0;  in read_sysfs_string()  local
965 	ret = sprintf(temp, "%s/%s", basedir, filename);  in read_sysfs_string()
966 	if (ret < 0)  in read_sysfs_string()
971 		ret = -errno;  in read_sysfs_string()
977 		ret = errno ? -errno : -ENODATA;  in read_sysfs_string()
985 		ret = -errno;  in read_sysfs_string()
990 	return ret;  in read_sysfs_string()