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Port libusb hid.c to SDL, add to MinGW configure

This commit is contained in:
Ethan Lee 2019-08-04 00:01:38 -04:00
parent aebaa316c7
commit aa09e61223
3 changed files with 100 additions and 155 deletions
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4
configure vendored
View File

@ -24121,10 +24121,6 @@ CheckHIDAPI()
# The hidraw support doesn't catch Xbox, PS4 and Nintendo controllers, # The hidraw support doesn't catch Xbox, PS4 and Nintendo controllers,
# so we'll just use libusb when it's available. # so we'll just use libusb when it's available.
case "$host" in case "$host" in
# TODO: Windows can support libusb, the hid.c file just depends on Unix APIs
*-*-cygwin* | *-*-mingw32* )
skiplibusb=yes
;;
# libusb does not support iOS # libusb does not support iOS
arm*-apple-darwin* | *-ios-* ) arm*-apple-darwin* | *-ios-* )
skiplibusb=yes skiplibusb=yes

4
configure.ac
View File

@ -3205,10 +3205,6 @@ CheckHIDAPI()
# The hidraw support doesn't catch Xbox, PS4 and Nintendo controllers, # The hidraw support doesn't catch Xbox, PS4 and Nintendo controllers,
# so we'll just use libusb when it's available. # so we'll just use libusb when it's available.
case "$host" in case "$host" in
# TODO: Windows can support libusb, the hid.c file just depends on Unix APIs
*-*-cygwin* | *-*-mingw32* )
skiplibusb=yes
;;
# libusb does not support iOS # libusb does not support iOS
arm*-apple-darwin* | *-ios-* ) arm*-apple-darwin* | *-ios-* )
skiplibusb=yes skiplibusb=yes

245
src/hidapi/libusb/hid.c
View File

@ -22,37 +22,18 @@
code repository located at: code repository located at:
https://github.com/libusb/hidapi . https://github.com/libusb/hidapi .
********************************************************/ ********************************************************/
/* This file is heavily modified from the original libusb.c, for portability.
* Last upstream update was from July 25, 2019, Git commit 93dca807.
*/
#include "../../SDL_internal.h" #include "../../SDL_internal.h"
#include "SDL_thread.h"
#include "SDL_mutex.h"
#ifdef SDL_JOYSTICK_HIDAPI #ifdef SDL_JOYSTICK_HIDAPI
#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* needed for wcsdup() before glibc 2.10 */
#endif
/* C */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <locale.h>
#include <errno.h>
/* Unix */
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
#include <fcntl.h>
#include <pthread.h>
#include <wchar.h>
/* GNU / LibUSB */
#include <libusb.h> #include <libusb.h>
#ifndef __ANDROID__
#include <iconv.h>
#endif
#include "hidapi.h" #include "hidapi.h"
@ -61,67 +42,63 @@ namespace NAMESPACE
{ {
#endif #endif
#ifdef __ANDROID__
/* Barrier implementation because Android/Bionic don't have pthread_barrier. /* Barrier implementation because Android/Bionic don't have pthread_barrier.
This implementation came from Brent Priddy and was posted on This implementation came from Brent Priddy and was posted on
StackOverflow. It is used with his permission. */ StackOverflow. It is used with his permission. */
typedef int pthread_barrierattr_t;
typedef struct pthread_barrier {
pthread_mutex_t mutex;
pthread_cond_t cond;
int count;
int trip_count;
} pthread_barrier_t;
static int pthread_barrier_init(pthread_barrier_t *barrier, const pthread_barrierattr_t *attr, unsigned int count) typedef struct _SDL_ThreadBarrier
{ {
if(count == 0) { SDL_mutex *mutex;
errno = EINVAL; SDL_cond *cond;
return -1; Uint32 count;
Uint32 trip_count;
} SDL_ThreadBarrier;
static int SDL_CreateThreadBarrier(SDL_ThreadBarrier *barrier, Uint32 count)
{
if (barrier == NULL) {
return SDL_SetError("barrier must be non-NULL");
}
if (count == 0) {
return SDL_SetError("count must be > 0");
} }
if(pthread_mutex_init(&barrier->mutex, 0) < 0) { barrier->mutex = SDL_CreateMutex();
return -1; if (barrier->mutex == NULL) {
return -1; /* Error set by CreateMutex */
} }
if(pthread_cond_init(&barrier->cond, 0) < 0) { barrier->cond = SDL_CreateCond();
pthread_mutex_destroy(&barrier->mutex); if (barrier->cond == NULL) {
return -1; return -1; /* Error set by CreateCond */
} }
barrier->trip_count = count; barrier->trip_count = count;
barrier->count = 0; barrier->count = 0;
return 0; return 0;
} }
static int pthread_barrier_destroy(pthread_barrier_t *barrier) static void SDL_DestroyThreadBarrier(SDL_ThreadBarrier *barrier)
{ {
pthread_cond_destroy(&barrier->cond); SDL_DestroyCond(barrier->cond);
pthread_mutex_destroy(&barrier->mutex); SDL_DestroyMutex(barrier->mutex);
return 0;
} }
static int pthread_barrier_wait(pthread_barrier_t *barrier) static int SDL_WaitThreadBarrier(SDL_ThreadBarrier *barrier)
{ {
pthread_mutex_lock(&barrier->mutex); SDL_LockMutex(barrier->mutex);
++(barrier->count); barrier->count += 1;
if(barrier->count >= barrier->trip_count) if (barrier->count >= barrier->trip_count) {
{
barrier->count = 0; barrier->count = 0;
pthread_cond_broadcast(&barrier->cond); SDL_CondBroadcast(barrier->cond);
pthread_mutex_unlock(&barrier->mutex); SDL_UnlockMutex(barrier->mutex);
return 1; return 1;
} }
else SDL_CondWait(barrier->cond, barrier->mutex);
{ SDL_UnlockMutex(barrier->mutex);
pthread_cond_wait(&barrier->cond, &(barrier->mutex));
pthread_mutex_unlock(&barrier->mutex);
return 0; return 0;
}
} }
#endif
#if defined(__cplusplus) && !defined(NAMESPACE) #if defined(__cplusplus) && !defined(NAMESPACE)
extern "C" { extern "C" {
#endif #endif
@ -173,10 +150,10 @@ struct hid_device_ {
int blocking; /* boolean */ int blocking; /* boolean */
/* Read thread objects */ /* Read thread objects */
pthread_t thread; SDL_Thread *thread;
pthread_mutex_t mutex; /* Protects input_reports */ SDL_mutex *mutex; /* Protects input_reports */
pthread_cond_t condition; SDL_cond *condition;
pthread_barrier_t barrier; /* Ensures correct startup sequence */ SDL_ThreadBarrier barrier; /* Ensures correct startup sequence */
int shutdown_thread; int shutdown_thread;
int cancelled; int cancelled;
struct libusb_transfer *transfer; struct libusb_transfer *transfer;
@ -192,12 +169,12 @@ static int return_data(hid_device *dev, unsigned char *data, size_t length);
static hid_device *new_hid_device(void) static hid_device *new_hid_device(void)
{ {
hid_device *dev = (hid_device *)calloc(1, sizeof(hid_device)); hid_device *dev = (hid_device*) calloc(1, sizeof(hid_device));
dev->blocking = 1; dev->blocking = 1;
pthread_mutex_init(&dev->mutex, NULL); dev->mutex = SDL_CreateMutex();
pthread_cond_init(&dev->condition, NULL); dev->condition = SDL_CreateCond();
pthread_barrier_init(&dev->barrier, NULL, 2); SDL_CreateThreadBarrier(&dev->barrier, 2);
return dev; return dev;
} }
@ -205,17 +182,17 @@ static hid_device *new_hid_device(void)
static void free_hid_device(hid_device *dev) static void free_hid_device(hid_device *dev)
{ {
/* Clean up the thread objects */ /* Clean up the thread objects */
pthread_barrier_destroy(&dev->barrier); SDL_DestroyThreadBarrier(&dev->barrier);
pthread_cond_destroy(&dev->condition); SDL_DestroyCond(dev->condition);
pthread_mutex_destroy(&dev->mutex); SDL_DestroyMutex(dev->mutex);
/* Free the device itself */ /* Free the device itself */
free(dev); free(dev);
} }
#if 0 #if 0
/*TODO: Implement this funciton on hidapi/libusb.. */ /*TODO: Implement this function on hidapi/libusb.. */
static void register_error(hid_device *device, const char *op) static void register_error(hid_device *dev, const char *op)
{ {
} }
@ -400,20 +377,13 @@ static wchar_t *get_usb_string(libusb_device_handle *dev, uint8_t idx)
int len; int len;
wchar_t *str = NULL; wchar_t *str = NULL;
#ifndef __ANDROID__ /* we don't use iconv on Android */
wchar_t wbuf[256]; wchar_t wbuf[256];
/* iconv variables */ SDL_iconv_t ic;
iconv_t ic;
size_t inbytes; size_t inbytes;
size_t outbytes; size_t outbytes;
size_t res; size_t res;
#ifdef __FreeBSD__
const char *inptr; const char *inptr;
#else
char *inptr;
#endif
char *outptr; char *outptr;
#endif
/* Determine which language to use. */ /* Determine which language to use. */
uint16_t lang; uint16_t lang;
@ -430,32 +400,13 @@ static wchar_t *get_usb_string(libusb_device_handle *dev, uint8_t idx)
if (len < 0) if (len < 0)
return NULL; return NULL;
#ifdef __ANDROID__
/* Bionic does not have iconv support nor wcsdup() function, so it
has to be done manually. The following code will only work for
code points that can be represented as a single UTF-16 character,
and will incorrectly convert any code points which require more
than one UTF-16 character.
Skip over the first character (2-bytes). */
len -= 2;
str = malloc((len / 2 + 1) * sizeof(wchar_t));
int i;
for (i = 0; i < len / 2; i++) {
str[i] = buf[i * 2 + 2] | (buf[i * 2 + 3] << 8);
}
str[len / 2] = 0x00000000;
#else
/* buf does not need to be explicitly NULL-terminated because /* buf does not need to be explicitly NULL-terminated because
it is only passed into iconv() which does not need it. */ it is only passed into iconv() which does not need it. */
/* Initialize iconv. */ /* Initialize iconv. */
ic = iconv_open("WCHAR_T", "UTF-16LE"); ic = SDL_iconv_open("WCHAR_T", "UTF-16LE");
if (ic == (iconv_t)-1) { if (ic == (SDL_iconv_t)-1) {
LOG("iconv_open() failed\n"); LOG("SDL_iconv_open() failed\n");
return NULL; return NULL;
} }
@ -465,9 +416,9 @@ static wchar_t *get_usb_string(libusb_device_handle *dev, uint8_t idx)
inbytes = len-2; inbytes = len-2;
outptr = (char*) wbuf; outptr = (char*) wbuf;
outbytes = sizeof(wbuf); outbytes = sizeof(wbuf);
res = iconv(ic, &inptr, &inbytes, &outptr, &outbytes); res = SDL_iconv(ic, &inptr, &inbytes, &outptr, &outbytes);
if (res == (size_t)-1) { if (res == (size_t)-1) {
LOG("iconv() failed\n"); LOG("SDL_iconv() failed\n");
goto err; goto err;
} }
@ -480,9 +431,7 @@ static wchar_t *get_usb_string(libusb_device_handle *dev, uint8_t idx)
str = wcsdup(wbuf); str = wcsdup(wbuf);
err: err:
iconv_close(ic); SDL_iconv_close(ic);
#endif
return str; return str;
} }
@ -503,16 +452,20 @@ static char *make_path(libusb_device *dev, int interface_number)
int HID_API_EXPORT hid_init(void) int HID_API_EXPORT hid_init(void)
{ {
if (!usb_context) { if (!usb_context) {
#ifndef _WIN32 /* TODO: Win32 setlocale */
const char *locale; const char *locale;
#endif /* _WIN32 */
/* Init Libusb */ /* Init Libusb */
if (libusb_init(&usb_context)) if (libusb_init(&usb_context))
return -1; return -1;
#ifndef _WIN32 /* TODO: Win32 setlocale */
/* Set the locale if it's not set. */ /* Set the locale if it's not set. */
locale = setlocale(LC_CTYPE, NULL); locale = setlocale(LC_CTYPE, NULL);
if (!locale) if (!locale)
setlocale(LC_CTYPE, ""); setlocale(LC_CTYPE, "");
#endif /* _WIN32 */
} }
return 0; return 0;
@ -663,7 +616,7 @@ struct hid_device_info HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
struct hid_device_info *tmp; struct hid_device_info *tmp;
/* VID/PID match. Create the record. */ /* VID/PID match. Create the record. */
tmp = (struct hid_device_info *)calloc(1, sizeof(struct hid_device_info)); tmp = (struct hid_device_info*) calloc(1, sizeof(struct hid_device_info));
if (cur_dev) { if (cur_dev) {
cur_dev->next = tmp; cur_dev->next = tmp;
} }
@ -836,19 +789,19 @@ static void read_callback(struct libusb_transfer *transfer)
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) { if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
struct input_report *rpt = (struct input_report *)malloc(sizeof(*rpt)); struct input_report *rpt = (struct input_report*) malloc(sizeof(*rpt));
rpt->data = (uint8_t *)malloc(transfer->actual_length); rpt->data = (uint8_t*) malloc(transfer->actual_length);
memcpy(rpt->data, transfer->buffer, transfer->actual_length); memcpy(rpt->data, transfer->buffer, transfer->actual_length);
rpt->len = transfer->actual_length; rpt->len = transfer->actual_length;
rpt->next = NULL; rpt->next = NULL;
pthread_mutex_lock(&dev->mutex); SDL_LockMutex(dev->mutex);
/* Attach the new report object to the end of the list. */ /* Attach the new report object to the end of the list. */
if (dev->input_reports == NULL) { if (dev->input_reports == NULL) {
/* The list is empty. Put it at the root. */ /* The list is empty. Put it at the root. */
dev->input_reports = rpt; dev->input_reports = rpt;
pthread_cond_signal(&dev->condition); SDL_CondSignal(dev->condition);
} }
else { else {
/* Find the end of the list and attach. */ /* Find the end of the list and attach. */
@ -867,7 +820,7 @@ static void read_callback(struct libusb_transfer *transfer)
return_data(dev, NULL, 0); return_data(dev, NULL, 0);
} }
} }
pthread_mutex_unlock(&dev->mutex); SDL_UnlockMutex(dev->mutex);
} }
else if (transfer->status == LIBUSB_TRANSFER_CANCELLED) { else if (transfer->status == LIBUSB_TRANSFER_CANCELLED) {
dev->shutdown_thread = 1; dev->shutdown_thread = 1;
@ -896,14 +849,14 @@ static void read_callback(struct libusb_transfer *transfer)
} }
static void *read_thread(void *param) static int read_thread(void *param)
{ {
hid_device *dev = (hid_device *)param; hid_device *dev = (hid_device *)param;
unsigned char *buf; uint8_t *buf;
const size_t length = dev->input_ep_max_packet_size; const size_t length = dev->input_ep_max_packet_size;
/* Set up the transfer object. */ /* Set up the transfer object. */
buf = (unsigned char *)malloc(length); buf = (uint8_t*) malloc(length);
dev->transfer = libusb_alloc_transfer(0); dev->transfer = libusb_alloc_transfer(0);
libusb_fill_interrupt_transfer(dev->transfer, libusb_fill_interrupt_transfer(dev->transfer,
dev->device_handle, dev->device_handle,
@ -919,7 +872,7 @@ static void *read_thread(void *param)
libusb_submit_transfer(dev->transfer); libusb_submit_transfer(dev->transfer);
/* Notify the main thread that the read thread is up and running. */ /* Notify the main thread that the read thread is up and running. */
pthread_barrier_wait(&dev->barrier); SDL_WaitThreadBarrier(&dev->barrier);
/* Handle all the events. */ /* Handle all the events. */
while (!dev->shutdown_thread) { while (!dev->shutdown_thread) {
@ -951,9 +904,9 @@ static void *read_thread(void *param)
make sure that a thread which is about to go to sleep waiting on make sure that a thread which is about to go to sleep waiting on
the condition actually will go to sleep before the condition is the condition actually will go to sleep before the condition is
signaled. */ signaled. */
pthread_mutex_lock(&dev->mutex); SDL_LockMutex(dev->mutex);
pthread_cond_broadcast(&dev->condition); SDL_CondBroadcast(dev->condition);
pthread_mutex_unlock(&dev->mutex); SDL_UnlockMutex(dev->mutex);
/* The dev->transfer->buffer and dev->transfer objects are cleaned up /* The dev->transfer->buffer and dev->transfer objects are cleaned up
in hid_close(). They are not cleaned up here because this thread in hid_close(). They are not cleaned up here because this thread
@ -963,7 +916,7 @@ static void *read_thread(void *param)
since hid_close() calls libusb_cancel_transfer(), on these objects, since hid_close() calls libusb_cancel_transfer(), on these objects,
they can not be cleaned up here. */ they can not be cleaned up here. */
return NULL; return 0;
} }
@ -1072,10 +1025,10 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path, int bExclusive)
} }
} }
pthread_create(&dev->thread, NULL, read_thread, dev); dev->thread = SDL_CreateThread(read_thread, NULL, dev);
/* Wait here for the read thread to be initialized. */ /* Wait here for the read thread to be initialized. */
pthread_barrier_wait(&dev->barrier); SDL_WaitThreadBarrier(&dev->barrier);
} }
free(dev_path); free(dev_path);
@ -1166,11 +1119,13 @@ static int return_data(hid_device *dev, unsigned char *data, size_t length)
return len; return len;
} }
#if 0 /* TODO: pthread_cleanup SDL? */
static void cleanup_mutex(void *param) static void cleanup_mutex(void *param)
{ {
hid_device *dev = (hid_device *)param; hid_device *dev = (hid_device *)param;
pthread_mutex_unlock(&dev->mutex); SDL_UnlockMutex(dev->mutex);
} }
#endif
int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds) int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds)
@ -1184,8 +1139,8 @@ int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t
return transferred; return transferred;
#endif #endif
pthread_mutex_lock(&dev->mutex); SDL_LockMutex(dev->mutex);
pthread_cleanup_push(&cleanup_mutex, dev); /* TODO: pthread_cleanup SDL? */
/* There's an input report queued up. Return it. */ /* There's an input report queued up. Return it. */
if (dev->input_reports) { if (dev->input_reports) {
@ -1204,7 +1159,7 @@ int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t
if (milliseconds == -1) { if (milliseconds == -1) {
/* Blocking */ /* Blocking */
while (!dev->input_reports && !dev->shutdown_thread) { while (!dev->input_reports && !dev->shutdown_thread) {
pthread_cond_wait(&dev->condition, &dev->mutex); SDL_CondWait(dev->condition, dev->mutex);
} }
if (dev->input_reports) { if (dev->input_reports) {
bytes_read = return_data(dev, data, length); bytes_read = return_data(dev, data, length);
@ -1213,17 +1168,9 @@ int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t
else if (milliseconds > 0) { else if (milliseconds > 0) {
/* Non-blocking, but called with timeout. */ /* Non-blocking, but called with timeout. */
int res; int res;
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
ts.tv_sec += milliseconds / 1000;
ts.tv_nsec += (milliseconds % 1000) * 1000000;
if (ts.tv_nsec >= 1000000000L) {
ts.tv_sec++;
ts.tv_nsec -= 1000000000L;
}
while (!dev->input_reports && !dev->shutdown_thread) { while (!dev->input_reports && !dev->shutdown_thread) {
res = pthread_cond_timedwait(&dev->condition, &dev->mutex, &ts); res = SDL_CondWaitTimeout(dev->condition, dev->mutex, milliseconds);
if (res == 0) { if (res == 0) {
if (dev->input_reports) { if (dev->input_reports) {
bytes_read = return_data(dev, data, length); bytes_read = return_data(dev, data, length);
@ -1234,7 +1181,7 @@ int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t
or the read thread was shutdown. Run the or the read thread was shutdown. Run the
loop again (ie: don't break). */ loop again (ie: don't break). */
} }
else if (res == ETIMEDOUT) { else if (res == SDL_MUTEX_TIMEDOUT) {
/* Timed out. */ /* Timed out. */
bytes_read = 0; bytes_read = 0;
break; break;
@ -1252,8 +1199,8 @@ int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data, size_t
} }
ret: ret:
pthread_mutex_unlock(&dev->mutex); SDL_UnlockMutex(dev->mutex);
pthread_cleanup_pop(0); /* TODO: pthread_cleanup SDL? */
return bytes_read; return bytes_read;
} }
@ -1334,6 +1281,8 @@ int HID_API_EXPORT hid_get_feature_report(hid_device *dev, unsigned char *data,
void HID_API_EXPORT hid_close(hid_device *dev) void HID_API_EXPORT hid_close(hid_device *dev)
{ {
int status;
if (!dev) if (!dev)
return; return;
@ -1342,7 +1291,7 @@ void HID_API_EXPORT hid_close(hid_device *dev)
libusb_cancel_transfer(dev->transfer); libusb_cancel_transfer(dev->transfer);
/* Wait for read_thread() to end. */ /* Wait for read_thread() to end. */
pthread_join(dev->thread, NULL); SDL_WaitThread(dev->thread, &status);
/* Clean up the Transfer objects allocated in read_thread(). */ /* Clean up the Transfer objects allocated in read_thread(). */
free(dev->transfer->buffer); free(dev->transfer->buffer);
@ -1355,11 +1304,11 @@ void HID_API_EXPORT hid_close(hid_device *dev)
libusb_close(dev->device_handle); libusb_close(dev->device_handle);
/* Clear out the queue of received reports. */ /* Clear out the queue of received reports. */
pthread_mutex_lock(&dev->mutex); SDL_LockMutex(dev->mutex);
while (dev->input_reports) { while (dev->input_reports) {
return_data(dev, NULL, 0); return_data(dev, NULL, 0);
} }
pthread_mutex_unlock(&dev->mutex); SDL_UnlockMutex(dev->mutex);
free_hid_device(dev); free_hid_device(dev);
} }
@ -1408,6 +1357,7 @@ struct lang_map_entry {
uint16_t usb_code; uint16_t usb_code;
}; };
#ifndef _WIN32 /* TODO: Win32 setlocale */
#define LANG(name,code,usb_code) { name, code, usb_code } #define LANG(name,code,usb_code) { name, code, usb_code }
static struct lang_map_entry lang_map[] = { static struct lang_map_entry lang_map[] = {
LANG("Afrikaans", "af", 0x0436), LANG("Afrikaans", "af", 0x0436),
@ -1452,7 +1402,7 @@ static struct lang_map_entry lang_map[] = {
LANG("English - Ireland", "en_ie", 0x1809), LANG("English - Ireland", "en_ie", 0x1809),
LANG("English - Jamaica", "en_jm", 0x2009), LANG("English - Jamaica", "en_jm", 0x2009),
LANG("English - New Zealand", "en_nz", 0x1409), LANG("English - New Zealand", "en_nz", 0x1409),
LANG("English - Phillippines", "en_ph", 0x3409), LANG("English - Philippines", "en_ph", 0x3409),
LANG("English - Southern Africa", "en_za", 0x1C09), LANG("English - Southern Africa", "en_za", 0x1C09),
LANG("English - Trinidad", "en_tt", 0x2C09), LANG("English - Trinidad", "en_tt", 0x2C09),
LANG("English - Great Britain", "en_gb", 0x0809), LANG("English - Great Britain", "en_gb", 0x0809),
@ -1545,9 +1495,11 @@ static struct lang_map_entry lang_map[] = {
LANG("Zulu", "zu", 0x0435), LANG("Zulu", "zu", 0x0435),
LANG(NULL, NULL, 0x0), LANG(NULL, NULL, 0x0),
}; };
#endif /* _WIN32 */
uint16_t get_usb_code_for_current_locale(void) uint16_t get_usb_code_for_current_locale(void)
{ {
#ifndef _WIN32 /* TODO: Win32 setlocale? */
char *locale; char *locale;
char search_string[64]; char search_string[64];
char *ptr; char *ptr;
@ -1605,6 +1557,7 @@ uint16_t get_usb_code_for_current_locale(void)
} }
#endif #endif
#endif /* _WIN32 */
/* Found nothing. */ /* Found nothing. */
return 0x0; return 0x0;
} }