fd = open(buf, O_RDONLY);
if (fd != -1) {
if (read(fd, readbuf, 2 * sizeof(char)) != 2) {
+ close(fd);
break;
}
chan_num = ((int) strtol(readbuf, NULL, 10));
int event_fd;
int fd;
- sprintf(bu, IIO_SLASH_DEV "%d", dev->num);
+ snprintf(bu, MAX_SIZE, IIO_SLASH_DEV "%d", dev->num);
fd = open(bu, 0);
- ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd);
- close(fd);
+ if (fd != -1) {
+ ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd);
+ close(fd);
+ } else {
+ return MRAA_ERROR_UNSPECIFIED;
+ }
if (ret == -1 || event_fd == -1)
return MRAA_ERROR_UNSPECIFIED;
{
char buf[MAX_SIZE];
FILE* fp;
+ int ret;
memset(buf, 0, MAX_SIZE);
snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_MOUNTING_MATRIX, dev->num);
fp = fopen(buf, "r");
if (fp != NULL) {
- fscanf(fp, "%f %f %f\n%f %f %f\n%f %f %f\n", &mm[0], &mm[1], &mm[2], &mm[3], &mm[4], &mm[5],
+ ret = fscanf(fp, "%f %f %f\n%f %f %f\n%f %f %f\n", &mm[0], &mm[1], &mm[2], &mm[3], &mm[4], &mm[5],
&mm[6], &mm[7], &mm[8]);
fclose(fp);
+ if (ret != 9) {
+ return MRAA_ERROR_UNSPECIFIED;
+ }
return MRAA_SUCCESS;
}
return MRAA_ERROR_UNSPECIFIED;
if (stat(IIO_CONFIGFS_TRIGGER, &configfs_status) == 0) {
memset(buf, 0, MAX_SIZE);
snprintf(buf, MAX_SIZE, IIO_CONFIGFS_TRIGGER "%s", trigger);
- // we actually don't care if this doesn't succeed, as it just means
- // it's already been initialised
- mkdir(buf, configfs_status.st_mode);
+ // we actually don't care if this doesn't succeed, as it just means
+ // it's already been initialised
+ mkdir(buf, configfs_status.st_mode);
}
return MRAA_ERROR_UNSPECIFIED;
if (read(fd, readbuf, 2 * sizeof(char)) != 2) {
syslog(LOG_ERR, "iio: Failed to read a sensible value from sysfs");
free(str);
+ close(fd);
+ closedir(dir);
return -1;
}
chan->enabled = (int) strtol(readbuf, NULL, 10);
}
}
}
+ closedir(dir);
+ return MRAA_SUCCESS;
}
- return MRAA_SUCCESS;
+
+ return MRAA_ERROR_INVALID_HANDLE;
}
mraa_result_t