/*
- * Internal header for libusb
- * Copyright (C) 2007-2009 Daniel Drake <dsd@gentoo.org>
- * Copyright (c) 2001 Johannes Erdfelt <johannes@erdfelt.com>
+ * Internal header for libusbx
+ * Copyright © 2007-2009 Daniel Drake <dsd@gentoo.org>
+ * Copyright © 2001 Johannes Erdfelt <johannes@erdfelt.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef __LIBUSBI_H__
-#define __LIBUSBI_H__
+#ifndef LIBUSBI_H
+#define LIBUSBI_H
#include <config.h>
#include <stddef.h>
#include <stdint.h>
#include <time.h>
+#include <stdarg.h>
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#include <libusb.h>
+#include "version.h"
-/* Inside the libusb code, mark all public functions as follows:
+/* Inside the libusbx code, mark all public functions as follows:
* return_type API_EXPORTED function_name(params) { ... }
* But if the function returns a pointer, mark it as follows:
* DEFAULT_VISIBILITY return_type * LIBUSB_CALL function_name(params) { ... }
- * In the libusb public header, mark all declarations as:
+ * In the libusbx public header, mark all declarations as:
* return_type LIBUSB_CALL function_name(params);
*/
#define API_EXPORTED LIBUSB_CALL DEFAULT_VISIBILITY
#define USB_MAXINTERFACES 32
#define USB_MAXCONFIG 8
+/* The following is used to silence warnings for unused variables */
+#define UNUSED(var) (void)(var)
+
struct list_head {
struct list_head *prev, *next;
};
* member - the list_head element in "type"
*/
#define list_entry(ptr, type, member) \
- ((type *)((uintptr_t)(ptr) - (uintptr_t)(&((type *)0L)->member)))
+ ((type *)((uintptr_t)(ptr) - (uintptr_t)offsetof(type, member)))
/* Get each entry from a list
* pos - A structure pointer has a "member" element
{
entry->next->prev = entry->prev;
entry->prev->next = entry->next;
+ entry->next = entry->prev = NULL;
+}
+
+static inline void *usbi_reallocf(void *ptr, size_t size)
+{
+ void *ret = realloc(ptr, size);
+ if (!ret)
+ free(ptr);
+ return ret;
}
#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
+ const typeof( ((type *)0)->member ) *mptr = (ptr); \
+ (type *)( (char *)mptr - offsetof(type,member) );})
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define TIMESPEC_IS_SET(ts) ((ts)->tv_sec != 0 || (ts)->tv_nsec != 0)
-enum usbi_log_level {
- LOG_LEVEL_DEBUG,
- LOG_LEVEL_INFO,
- LOG_LEVEL_WARNING,
- LOG_LEVEL_ERROR,
-};
-
-void usbi_log(struct libusb_context *ctx, enum usbi_log_level level,
+void usbi_log(struct libusb_context *ctx, enum libusb_log_level level,
const char *function, const char *format, ...);
-#if !defined(_MSC_VER) || _MSC_VER > 1200
+void usbi_log_v(struct libusb_context *ctx, enum libusb_log_level level,
+ const char *function, const char *format, va_list args);
+
+#if !defined(_MSC_VER) || _MSC_VER >= 1400
#ifdef ENABLE_LOGGING
#define _usbi_log(ctx, level, ...) usbi_log(ctx, level, __FUNCTION__, __VA_ARGS__)
+#define usbi_dbg(...) _usbi_log(NULL, LIBUSB_LOG_LEVEL_DEBUG, __VA_ARGS__)
#else
-#define _usbi_log(ctx, level, ...) do {} while(0)
-#endif
-
-#ifdef ENABLE_DEBUG_LOGGING
-#define usbi_dbg(...) _usbi_log(NULL, LOG_LEVEL_DEBUG, __VA_ARGS__)
-#else
+#define _usbi_log(ctx, level, ...) do { (void)(ctx); } while(0)
#define usbi_dbg(...) do {} while(0)
#endif
-#define usbi_info(ctx, ...) _usbi_log(ctx, LOG_LEVEL_INFO, __VA_ARGS__)
-#define usbi_warn(ctx, ...) _usbi_log(ctx, LOG_LEVEL_WARNING, __VA_ARGS__)
-#define usbi_err(ctx, ...) _usbi_log(ctx, LOG_LEVEL_ERROR, __VA_ARGS__)
+#define usbi_info(ctx, ...) _usbi_log(ctx, LIBUSB_LOG_LEVEL_INFO, __VA_ARGS__)
+#define usbi_warn(ctx, ...) _usbi_log(ctx, LIBUSB_LOG_LEVEL_WARNING, __VA_ARGS__)
+#define usbi_err(ctx, ...) _usbi_log(ctx, LIBUSB_LOG_LEVEL_ERROR, __VA_ARGS__)
-#else /* !defined(_MSC_VER) || _MSC_VER > 1200 */
-
-void usbi_log_v(struct libusb_context *ctx, enum usbi_log_level level,
- const char *function, const char *format, va_list args);
+#else /* !defined(_MSC_VER) || _MSC_VER >= 1400 */
#ifdef ENABLE_LOGGING
#define LOG_BODY(ctxt, level) \
va_end(args); \
}
#else
-#define LOG_BODY(ctxt, level) { }
+#define LOG_BODY(ctxt, level) do { (void)(ctxt); } while(0)
#endif
static inline void usbi_info(struct libusb_context *ctx, const char *format,
...)
- LOG_BODY(ctx,LOG_LEVEL_INFO)
+ LOG_BODY(ctx,LIBUSB_LOG_LEVEL_INFO)
static inline void usbi_warn(struct libusb_context *ctx, const char *format,
...)
- LOG_BODY(ctx,LOG_LEVEL_WARNING)
+ LOG_BODY(ctx,LIBUSB_LOG_LEVEL_WARNING)
static inline void usbi_err( struct libusb_context *ctx, const char *format,
...)
- LOG_BODY(ctx,LOG_LEVEL_ERROR)
+ LOG_BODY(ctx,LIBUSB_LOG_LEVEL_ERROR)
static inline void usbi_dbg(const char *format, ...)
-#ifdef ENABLE_DEBUG_LOGGING
- LOG_BODY(NULL,LOG_LEVEL_DEBUG)
-#else
-{ }
-#endif
+ LOG_BODY(NULL,LIBUSB_LOG_LEVEL_DEBUG)
-#endif /* !defined(_MSC_VER) || _MSC_VER > 1200 */
+#endif /* !defined(_MSC_VER) || _MSC_VER >= 1400 */
#define USBI_GET_CONTEXT(ctx) if (!(ctx)) (ctx) = usbi_default_context
#define DEVICE_CTX(dev) ((dev)->ctx)
#define HANDLE_CTX(handle) (DEVICE_CTX((handle)->dev))
#define TRANSFER_CTX(transfer) (HANDLE_CTX((transfer)->dev_handle))
#define ITRANSFER_CTX(transfer) \
- (TRANSFER_CTX(__USBI_TRANSFER_TO_LIBUSB_TRANSFER(transfer)))
+ (TRANSFER_CTX(USBI_TRANSFER_TO_LIBUSB_TRANSFER(transfer)))
-/* Internal abstractions for thread synchronization and poll */
+#define IS_EPIN(ep) (0 != ((ep) & LIBUSB_ENDPOINT_IN))
+#define IS_EPOUT(ep) (!IS_EPIN(ep))
+#define IS_XFERIN(xfer) (0 != ((xfer)->endpoint & LIBUSB_ENDPOINT_IN))
+#define IS_XFEROUT(xfer) (!IS_XFERIN(xfer))
+
+/* Internal abstraction for thread synchronization */
#if defined(THREADS_POSIX)
-#include <os/threads_posix.h>
+#include "os/threads_posix.h"
#elif defined(OS_WINDOWS)
#include <os/threads_windows.h>
#endif
-#if defined(OS_LINUX) || defined(OS_DARWIN)
-#include <unistd.h>
-#include <os/poll_posix.h>
-#elif defined(OS_WINDOWS)
-#include <os/poll_windows.h>
-#endif
-
extern struct libusb_context *usbi_default_context;
struct libusb_context {
struct libusb_context *ctx;
uint8_t bus_number;
+ uint8_t port_number;
+ struct libusb_device* parent_dev;
uint8_t device_address;
uint8_t num_configurations;
+ enum libusb_speed speed;
struct list_head list;
unsigned long session_data;
/* Operation on the transfer failed because the device disappeared */
USBI_TRANSFER_DEVICE_DISAPPEARED = 1 << 3,
+
+ /* Set by backend submit_transfer() if the fds in use have been updated */
+ USBI_TRANSFER_UPDATED_FDS = 1 << 4,
};
-#define __USBI_TRANSFER_TO_LIBUSB_TRANSFER(transfer) \
+#define USBI_TRANSFER_TO_LIBUSB_TRANSFER(transfer) \
((struct libusb_transfer *)(((unsigned char *)(transfer)) \
+ sizeof(struct usbi_transfer)))
-#define __LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer) \
+#define LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer) \
((struct usbi_transfer *)(((unsigned char *)(transfer)) \
- sizeof(struct usbi_transfer)))
int usbi_get_config_index_by_value(struct libusb_device *dev,
uint8_t bConfigurationValue, int *idx);
-/* polling */
+/* Internal abstraction for poll (needs struct usbi_transfer on Windows) */
+#if defined(OS_LINUX) || defined(OS_DARWIN) || defined(OS_OPENBSD)
+#include <unistd.h>
+#include "os/poll_posix.h"
+#elif defined(OS_WINDOWS) || defined(OS_WINCE)
+#include <os/poll_windows.h>
+#endif
+
+#if defined(OS_WINDOWS) && !defined(__GCC__)
+#undef HAVE_GETTIMEOFDAY
+int usbi_gettimeofday(struct timeval *tp, void *tzp);
+#define LIBUSB_GETTIMEOFDAY_WIN32
+#define HAVE_USBI_GETTIMEOFDAY
+#else
+#ifdef HAVE_GETTIMEOFDAY
+#define usbi_gettimeofday(tv, tz) gettimeofday((tv), (tz))
+#define HAVE_USBI_GETTIMEOFDAY
+#endif
+#endif
struct usbi_pollfd {
/* must come first */
* to determine specific capabilities of the system, allocate required
* data structures for later, etc.
*
- * This function is called when a libusb user initializes the library
+ * This function is called when a libusbx user initializes the library
* prior to use.
*
* Return 0 on success, or a LIBUSB_ERROR code on failure.
* but that is an unlikely case.
*
* After computing a session ID for a device, call
- * usbi_get_device_by_session_id(). This function checks if libusb already
+ * usbi_get_device_by_session_id(). This function checks if libusbx already
* knows about the device, and if so, it provides you with a libusb_device
* structure for it.
*
*
* Your backend should allocate any internal resources required for I/O
* and other operations so that those operations can happen (hopefully)
- * without hiccup. This is also a good place to inform libusb that it
+ * without hiccup. This is also a good place to inform libusbx that it
* should monitor certain file descriptors related to this device -
* see the usbi_add_pollfd() function.
*
/* Close a device such that the handle cannot be used again. Your backend
* should destroy any resources that were allocated in the open path.
* This may also be a good place to call usbi_remove_pollfd() to inform
- * libusb of any file descriptors associated with this device that should
+ * libusbx of any file descriptors associated with this device that should
* no longer be monitored.
*
* This function is called when the user closes a device handle.
*
* If you cannot retrieve this from cache, either do not implement this
* function, or return LIBUSB_ERROR_NOT_SUPPORTED. This will cause
- * libusb to retrieve the information through a standard control transfer.
+ * libusbx to retrieve the information through a standard control transfer.
*
* This function must be non-blocking.
* Return:
* all private data from the transfer as if you were just about to report
* completion or cancellation.
*
- * This function might seem a bit out of place. It is used when libusb
+ * This function might seem a bit out of place. It is used when libusbx
* detects a disconnected device - it calls this function for all pending
* transfers before reporting completion (with the disconnect code) to
* the user. Maybe we can improve upon this internal interface in future.
extern const struct usbi_os_backend linux_usbfs_backend;
extern const struct usbi_os_backend darwin_backend;
+extern const struct usbi_os_backend openbsd_backend;
extern const struct usbi_os_backend windows_backend;
#endif
-
projects / platform / upstream / libusb.git / blobdiff