tools/iio/iio_utils.c

95 	char *scan_el_dir, *builtname, *builtname_generic, *filename = 0;
125 			ret = asprintf(&filename,
132 			sysfsfp = fopen(filename, "r");
136 					filename);
169 					filename);
174 			free(filename);
175 			filename = 0;
191 	if (filename)
192 		free(filename);
226 	char *filename = NULL;
250 			ret = asprintf(&filename,
257 			sysfsfp = fopen(filename, "r");
271 	if (filename)
272 		free(filename);
325 	char *filename;
341 			ret = asprintf(&filename,
348 			sysfsfp = fopen(filename, "r");
349 			free(filename);
386 			ret = asprintf(&filename,
395 			sysfsfp = fopen(filename, "r");
396 			free(filename);
441 			ret = asprintf(&filename,
450 			sysfsfp = fopen(filename, "r");
451 			free(filename);
568 	char *filename;
599 				filename = malloc(strlen(iio_dir) + strlen(type)
601 				if (!filename) {
606 				ret = sprintf(filename, "%s%s%d/name", iio_dir,
609 					free(filename);
613 				namefp = fopen(filename, "r");
615 					free(filename);
619 				free(filename);
652 static int _write_sysfs_int(const char *filename, const char *basedir, int val,
658 	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
663 	ret = sprintf(temp, "%s/%s", basedir, filename);
711 				val, basedir, filename);
723  * @filename: name of the file to write to
729 int write_sysfs_int(const char *filename, const char *basedir, int val)
731 	return _write_sysfs_int(filename, basedir, val, 0);
737  * @filename: name of the file to write to
743 int write_sysfs_int_and_verify(const char *filename, const char *basedir,
746 	return _write_sysfs_int(filename, basedir, val, 1);
749 static int _write_sysfs_string(const char *filename, const char *basedir,
754 	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
761 	ret = sprintf(temp, "%s/%s", basedir, filename);
810 				basedir, filename);
823  * @filename: name of file to write to
829 int write_sysfs_string_and_verify(const char *filename, const char *basedir,
832 	return _write_sysfs_string(filename, basedir, val, 1);
837  * @filename: name of file to write to
843 int write_sysfs_string(const char *filename, const char *basedir,
846 	return _write_sysfs_string(filename, basedir, val, 0);
851  * @filename: name of file to read from
857 int read_sysfs_posint(const char *filename, const char *basedir)
861 	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
868 	ret = sprintf(temp, "%s/%s", basedir, filename);
898  * @filename: name of file to read from
904 int read_sysfs_float(const char *filename, const char *basedir, float *val)
908 	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
915 	ret = sprintf(temp, "%s/%s", basedir, filename);
945  * @filename: name of file to read from
951 int read_sysfs_string(const char *filename, const char *basedir, char *str)
955 	char *temp = malloc(strlen(basedir) + strlen(filename) + 2);
962 	ret = sprintf(temp, "%s/%s", basedir, filename);