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hidapi, linux: merged a minor warning + code style fix from mainstream.

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This commit is contained in:
Ozkan Sezer 2021-11-17 10:00:10 +03:00
parent 43d1b42a5a
commit d2cf191936
1 changed files with 30 additions and 25 deletions
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55
src/hidapi/linux/hid.c
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@ -215,7 +215,7 @@ static int uses_numbered_reports(__u8 *report_descriptor, __u32 size) {
* strings pointed to by serial_number_utf8 and product_name_utf8 after use.
*/
static int
parse_uevent_info(const char *uevent, int *bus_type,
parse_uevent_info(const char *uevent, unsigned *bus_type,
unsigned short *vendor_id, unsigned short *product_id,
char **serial_number_utf8, char **product_name_utf8)
{
@ -298,7 +298,7 @@ static int is_BLE(hid_device *dev)
if (hid_dev) {
unsigned short dev_vid = 0;
unsigned short dev_pid = 0;
int bus_type = 0;
unsigned bus_type = 0;
char *serial_number_utf8 = NULL;
char *product_name_utf8 = NULL;
@ -336,8 +336,8 @@ static int get_device_string(hid_device *dev, enum device_string_id key, wchar_t
struct udev_device *udev_dev, *parent, *hid_dev;
struct stat s;
int ret = -1;
char *serial_number_utf8 = NULL;
char *product_name_utf8 = NULL;
char *serial_number_utf8 = NULL;
char *product_name_utf8 = NULL;
char *tmp;
/* Create the udev object */
@ -363,7 +363,7 @@ static int get_device_string(hid_device *dev, enum device_string_id key, wchar_t
if (hid_dev) {
unsigned short dev_vid;
unsigned short dev_pid;
int bus_type;
unsigned bus_type;
size_t retm;
ret = parse_uevent_info(
@ -431,8 +431,8 @@ static int get_device_string(hid_device *dev, enum device_string_id key, wchar_t
}
end:
free(serial_number_utf8);
free(product_name_utf8);
free(serial_number_utf8);
free(product_name_utf8);
udev_device_unref(udev_dev);
/* parent and hid_dev don't need to be (and can't be) unref'd.
@ -501,7 +501,7 @@ struct hid_device_info HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
unsigned short dev_pid;
char *serial_number_utf8 = NULL;
char *product_name_utf8 = NULL;
int bus_type;
unsigned bus_type;
int result;
/* Get the filename of the /sys entry for the device
@ -849,24 +849,25 @@ int HID_API_EXPORT hid_send_feature_report(hid_device *dev, const unsigned char
int HID_API_EXPORT hid_get_feature_report(hid_device *dev, unsigned char *data, size_t length)
{
int res;
unsigned char report = data[0];
unsigned char report = data[0];
res = ioctl(dev->device_handle, HIDIOCGFEATURE(length), data);
if (res < 0)
perror("ioctl (GFEATURE)");
else if (dev->needs_ble_hack) {
/* Versions of BlueZ before 5.56 don't include the report in the data, and versions of BlueZ >= 5.56 include 2 copies of the report.
* We'll fix it so that there is a single copy of the report in both cases
*/
if (data[0] == report && data[1] == report) {
memmove(&data[0], &data[1], res);
} else if (data[0] != report) {
memmove(&data[1], &data[0], res);
data[0] = report;
++res;
}
}
return res;
res = ioctl(dev->device_handle, HIDIOCGFEATURE(length), data);
if (res < 0)
perror("ioctl (GFEATURE)");
else if (dev->needs_ble_hack) {
/* Versions of BlueZ before 5.56 don't include the report in the data,
* and versions of BlueZ >= 5.56 include 2 copies of the report.
* We'll fix it so that there is a single copy of the report in both cases
*/
if (data[0] == report && data[1] == report) {
memmove(&data[0], &data[1], res);
} else if (data[0] != report) {
memmove(&data[1], &data[0], res);
data[0] = report;
++res;
}
}
return res;
}
@ -896,6 +897,10 @@ int HID_API_EXPORT_CALL hid_get_serial_number_string(hid_device *dev, wchar_t *s
int HID_API_EXPORT_CALL hid_get_indexed_string(hid_device *dev, int string_index, wchar_t *string, size_t maxlen)
{
(void)dev;
(void)string_index;
(void)string;
(void)maxlen;
return -1;
}