Remove trailing whitespace from all *.h and *.c files.

12 files changed, 95 insertions, 95 deletions

diff --git a/gphoto2/gphoto2-abilities-list.h b/gphoto2/gphoto2-abilities-list.h
index 024950fd1..58eb3d033 100644
--- a/gphoto2/gphoto2-abilities-list.h
+++ b/gphoto2/gphoto2-abilities-list.h
@@ -10,10 +10,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \par
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \par
  * You should have received a copy of the GNU Lesser General Public
@@ -111,7 +111,7 @@ typedef enum {
 #endif /* _GPHOTO2_INTERNAL_CODE */
 
 
-/** 
+/**
  * \brief Describes the properties of a specific camera.
  *
  * The internals of this structures are used extensively by the
@@ -142,7 +142,7 @@ typedef struct {
         char id [1024];		/**< \brief (Internal) camera ID name */
 
 	GphotoDeviceType 	device_type;	/**< \brief Device type. */
-	/** Reserved space to use in the future w/out changing the 
+	/** Reserved space to use in the future w/out changing the
 	 * struct size */
         int reserved2;		/**< reserved space \internal */
         int reserved3;		/**< reserved space \internal */
diff --git a/gphoto2/gphoto2-camera.h b/gphoto2/gphoto2-camera.h
index 8f204745f..f9ee30911 100644
--- a/gphoto2/gphoto2-camera.h
+++ b/gphoto2/gphoto2-camera.h
@@ -11,10 +11,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
@@ -35,7 +35,7 @@ extern "C" {
  *
  * A Camera object represents a specific instance of a (physical of
  * virtual) camera attached to the system.
- * 
+ *
  * The abilities of this type of camera are stored in a CameraAbility
  * object.
  *
@@ -58,7 +58,7 @@ typedef struct _Camera Camera;
 extern "C" {
 #endif /* __cplusplus */
 
-/** 
+/**
  * \brief CameraText structure used in various functions.
  *
  * A text structure containing translated text returned
@@ -69,7 +69,7 @@ typedef struct {
 	char text [32 * 1024]; /**< \brief Character string containing the translated text. */
 } CameraText;
 
-/** 
+/**
  * \brief A structure created by the capture operation.
  *
  * A structure containing the folder and filename of an object
@@ -112,7 +112,7 @@ typedef enum {
 /**
  * \name Camera object member functions
  *
- * These functions must be implemented by a camlib and the camlib's 
+ * These functions must be implemented by a camlib and the camlib's
  * camera_init() function will add them to a Camera object.
  *
  * @{
@@ -133,7 +133,7 @@ typedef enum {
  * Implement this function if you need to any of this stuff, otherwise leave
  * it out.
  *
- * \returns a gphoto error code 
+ * \returns a gphoto error code
  */
 typedef int (*CameraExitFunc)      (Camera *camera, GPContext *context);
 
@@ -172,7 +172,7 @@ typedef int (*CameraGetConfigFunc) (Camera *camera, CameraWidget **widget,
  * frontend, which then renders it, allows user input and sends it back
  * via the #CameraSetConfigFunc function to have the driver configure itself
  * or the camera.
- * 
+ *
  * This specific function retrieves one specific named entry, and not the full
  * tree to allow for querying specific settings faster.
  *
@@ -196,7 +196,7 @@ typedef int (*CameraGetSingleConfigFunc) (Camera *camera, const char *name, Came
  * frontend, which then renders it, allows user input and sends it back
  * via the #CameraSetConfigFunc function to have the driver configure itself
  * or the camera.
- * 
+ *
  * This specific function retrieves all the available configuration values in a flat list.
  *
  * This is different than the GetConfigFunc, which returns a configuration tree.
@@ -210,14 +210,14 @@ typedef int (*CameraListConfigFunc) (Camera *camera, CameraList *list, GPContext
 /**
  * \brief Set the configuration in the camera
  *
- * \param camera the current camera 
+ * \param camera the current camera
  * \param widget the configuration widget tree that was changed
  * \param context the active #GPContext
  *
  * This function is called in the driver after the configuration is set.
  * It is called directly after setting the value and might called multiple
  * times (or never) after just one #CameraGetConfigFunc.
- * 
+ *
  * \returns a gphoto error code
  */
 typedef int (*CameraSetConfigFunc) (Camera *camera, CameraWidget  *widget,
@@ -225,13 +225,13 @@ typedef int (*CameraSetConfigFunc) (Camera *camera, CameraWidget  *widget,
 /**
  * \brief Set a single configuration variable in the camera
  *
- * \param camera the current camera 
+ * \param camera the current camera
  * \param name the widget to set
  * \param widget the configuration widget tree that was changed
  * \param context the active #GPContext
  *
  * This function is called in the driver after the configuration value is set.
- * 
+ *
  * \returns a gphoto error code
  */
 typedef int (*CameraSetSingleConfigFunc) (Camera *camera, const char *name, CameraWidget  *widget,
@@ -263,8 +263,8 @@ typedef int (*CameraWaitForEvent)  (Camera *camera, int timeout,
  * be initialized before or reset the after each access from
  * libgphoto2.
  *
- * For example, you would probably set the speed to the highest one 
- * right before downloading an image, and reset it to the default speed 
+ * For example, you would probably set the speed to the highest one
+ * right before downloading an image, and reset it to the default speed
  * afterwards so that other programs will not be affected by this speed
  * change.
  */
@@ -340,7 +340,7 @@ struct _Camera {
 int gp_camera_new               (Camera **camera);
 
 
-/** \name Preparing initialization 
+/** \name Preparing initialization
  * @{
  */
 int gp_camera_set_abilities     (Camera *camera, CameraAbilities  abilities);
@@ -365,19 +365,19 @@ int gp_camera_get_port_speed    (Camera *camera);
 /**@}*/
 
 
-/** \name Initialization 
- * @{ 
+/** \name Initialization
+ * @{
  */
 int gp_camera_autodetect 	 (CameraList *list, GPContext *context);
 int gp_camera_init               (Camera *camera, GPContext *context);
 int gp_camera_exit               (Camera *camera, GPContext *context);
 
 /**@}*/
- 
 
 
-/** \name Operations on cameras 
- * @{ 
+
+/** \name Operations on cameras
+ * @{
  */
 int gp_camera_ref   		 (Camera *camera);
 int gp_camera_unref 		 (Camera *camera);
@@ -414,12 +414,12 @@ int gp_camera_get_storageinfo    (Camera *camera, CameraStorageInformation**,
 /**@}*/
 
 
-/** \name Operations on folders 
+/** \name Operations on folders
  * @{
  */
-int gp_camera_folder_list_files   (Camera *camera, const char *folder, 
+int gp_camera_folder_list_files   (Camera *camera, const char *folder,
 				   CameraList *list, GPContext *context);
-int gp_camera_folder_list_folders (Camera *camera, const char *folder, 
+int gp_camera_folder_list_folders (Camera *camera, const char *folder,
 				   CameraList *list, GPContext *context);
 int gp_camera_folder_delete_all   (Camera *camera, const char *folder,
 				   GPContext *context);
@@ -434,29 +434,29 @@ int gp_camera_folder_remove_dir   (Camera *camera, const char *folder,
 /**@}*/
 
 
-/** \name Operations on files 
+/** \name Operations on files
  * @{
  */
-int gp_camera_file_get_info 	(Camera *camera, const char *folder, 
+int gp_camera_file_get_info 	(Camera *camera, const char *folder,
 				 const char *file, CameraFileInfo *info,
 				 GPContext *context);
-int gp_camera_file_set_info 	(Camera *camera, const char *folder, 
+int gp_camera_file_set_info 	(Camera *camera, const char *folder,
 				 const char *file, CameraFileInfo info,
 				 GPContext *context);
-int gp_camera_file_get		(Camera *camera, const char *folder, 
+int gp_camera_file_get		(Camera *camera, const char *folder,
 				 const char *file, CameraFileType type,
 				 CameraFile *camera_file, GPContext *context);
 int gp_camera_file_read		(Camera *camera, const char *folder, const char *file,
-		    		 CameraFileType type, 
+		    		 CameraFileType type,
 		    		 uint64_t offset, char *buf, uint64_t *size,
 		    		 GPContext *context);
-int gp_camera_file_delete     	(Camera *camera, const char *folder, 
+int gp_camera_file_delete     	(Camera *camera, const char *folder,
 				 const char *file, GPContext *context);
 /**@}*/
 
 
 /**
- * \name Some cameras need 'keep-alive-messages'. 
+ * \name Some cameras need 'keep-alive-messages'.
  * @{
  */
 typedef int          (* CameraTimeoutFunc)      (Camera *camera,
diff --git a/gphoto2/gphoto2-context.h b/gphoto2/gphoto2-context.h
index 37fba15c1..3a3d13098 100644
--- a/gphoto2/gphoto2-context.h
+++ b/gphoto2/gphoto2-context.h
@@ -1,4 +1,4 @@
-/** \file 
+/** \file
  * \brief Context callback operation functions.
  *
  * \author Copyright 2001 Lutz Mueller <lutz@users.sourceforge.net>
@@ -10,10 +10,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
@@ -34,7 +34,7 @@ extern "C" {
 /**
  * \brief The gphoto context structure.
  *
- * This structure allows callback handling, passing error contexts back, 
+ * This structure allows callback handling, passing error contexts back,
  * progress handling and download cancellation and similar things.
  * It is usually passed around the functions.
  */
diff --git a/gphoto2/gphoto2-file.h b/gphoto2/gphoto2-file.h
index 1fb50d7a9..5cf19c77a 100644
--- a/gphoto2/gphoto2-file.h
+++ b/gphoto2/gphoto2-file.h
@@ -11,10 +11,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
diff --git a/gphoto2/gphoto2-filesys.h b/gphoto2/gphoto2-filesys.h
index 828cd179d..d8bceaf12 100644
--- a/gphoto2/gphoto2-filesys.h
+++ b/gphoto2/gphoto2-filesys.h
@@ -15,10 +15,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
@@ -41,12 +41,12 @@
 extern "C" {
 #endif /* __cplusplus */
 
-/** 
+/**
  * \brief Bitmask on what fields are set in the CameraFileInfo structure.
  *
  * Bitmask to mark up which fields are set in the CameraFileInfo
  * structure. The other fields might be uninitialized.
- * If you set information via gp_camera_file_set_info() you 
+ * If you set information via gp_camera_file_set_info() you
  * need to set those flags. If you retrieve information via
  * gp_camera_file_get_info() you need to check those flags.
  * They are separate for both "normal" and "preview" parts
@@ -132,7 +132,7 @@ typedef struct _CameraFileInfoAudio {
 	char type[64];			/**< \brief MIME type of the audio file. */
 } CameraFileInfoAudio;
 
-/** 
+/**
  * \brief File information structure.
  *
  * Contains the normal, preview and audio file information structures
@@ -144,14 +144,14 @@ typedef struct _CameraFileInfo {
 	CameraFileInfoAudio   audio;
 } CameraFileInfo;
 
-/** 
+/**
  * \brief Storage information flags.
  *
  * Bitmask to specify which entries of the filesystem
  * storage information is set.
  */
 typedef enum {
-	GP_STORAGEINFO_BASE		= (1<<0),	/**< \brief The base directory. 
+	GP_STORAGEINFO_BASE		= (1<<0),	/**< \brief The base directory.
 							 * Usually / if just 1 storage is attached.
 							 */
 	GP_STORAGEINFO_LABEL		= (1<<1),	/**< \brief Label of the filesystem.
@@ -168,7 +168,7 @@ typedef enum {
 
 /**
  * \brief Hardware storage types.
- * 
+ *
  * Type of hardware this storage is on. The types and values
  * are the same as the PTP standard uses (PTP_ST_xxx).
  */
@@ -182,7 +182,7 @@ typedef enum {
 
 /**
  * \brief Storage access modes.
- * 
+ *
  * The modes we can access the storage with. Uses the same
  * types and values as the PTP standard (PTP_AC_xxx).
  */
@@ -194,7 +194,7 @@ typedef enum {
 
 /**
  * \brief Filesystem hierarchy types.
- * 
+ *
  * The type of the filesystem hierarchy the devices uses.
  * Same types and values as the PTP standard defines (PTP_FST_xxx).
  */
@@ -224,7 +224,7 @@ typedef struct _CameraStorageInformation {
 	uint64_t			freeimages;	/**< \brief Free space in images (guessed by camera). */
 } CameraStorageInformation;
 
-/** 
+/**
  * \brief Filesystem structure, only exposed to camera drivers.
  *
  * Internal structure, contents not exposed to frontends. Camera
diff --git a/gphoto2/gphoto2-library.h b/gphoto2/gphoto2-library.h
index 5009238c8..b0f8c530f 100644
--- a/gphoto2/gphoto2-library.h
+++ b/gphoto2/gphoto2-library.h
@@ -1,6 +1,6 @@
 /** \file
  * \brief Camery driver header.
- * 
+ *
  * \author Copyright 2000 Scott Fritzinger
  *
  * \note
@@ -10,10 +10,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
@@ -58,14 +58,14 @@ typedef int (* CameraLibraryAbilitiesFunc) (CameraAbilitiesList *list);
  * \return a gphoto2 error code
  *
  * The camera driver will establish a first connection
- * to the camera and configure the camera variable (i.e. using 
+ * to the camera and configure the camera variable (i.e. using
  * #gp_filesystem_set_list_funcs or #gp_port_get_settings).
  *
  **/
 typedef int (* CameraLibraryInitFunc)      (Camera *camera, GPContext *context);
 
 /*
- * If you want to write a camera library, you need to implement 
+ * If you want to write a camera library, you need to implement
  * the following three functions. Everything else should be declared
  * as static.
  */
diff --git a/gphoto2/gphoto2-list.h b/gphoto2/gphoto2-list.h
index 7dc6f9506..70944d7ef 100644
--- a/gphoto2/gphoto2-list.h
+++ b/gphoto2/gphoto2-list.h
@@ -11,10 +11,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
@@ -30,13 +30,13 @@
 extern "C" {
 #endif /* __cplusplus */
 
-/** 
+/**
  * \brief A generic list
- * 
+ *
  * This structure provides a list with \a name:value pairs that is used in various
  * parts of libgphoto2. Its details are internal, please use the
  * gp_list_xxx accessor functions.
- * 
+ *
  * Usage pattern for CameraList for users external of
  * libgphoto2, such as libgphoto2 frontends:
  *
@@ -57,7 +57,7 @@ extern "C" {
  * \code
  *               CameraList foo;     // DO NOT DO THIS
  * \endcode
- * 
+ *
  * Please do NOT directly access the structure members like this:
  * \code
  *               list->entry[i].name // DO NOT DO THIS
diff --git a/gphoto2/gphoto2-result.h b/gphoto2/gphoto2-result.h
index 79b953849..87b8b4c7c 100644
--- a/gphoto2/gphoto2-result.h
+++ b/gphoto2/gphoto2-result.h
@@ -9,10 +9,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
@@ -53,7 +53,7 @@ extern "C" {
  * \brief Specified camera model was not found
  *
  * The specified model could not be found. This error is reported when
- * the user specified a model that does not seem to be supported by 
+ * the user specified a model that does not seem to be supported by
  * any driver.
  **/
 #define GP_ERROR_MODEL_NOT_FOUND     -105
@@ -77,13 +77,13 @@ extern "C" {
 /**
  * \brief Specified directory already exists
  *
- * The specified directory already exists. This error is reported for example 
+ * The specified directory already exists. This error is reported for example
  * when the user wants to create a directory that already exists.
  **/
 #define GP_ERROR_DIRECTORY_EXISTS    -109
 
 /**
- * \brief The camera is already busy 
+ * \brief The camera is already busy
  *
  * Camera I/O or a command is in progress.
  **/
@@ -91,7 +91,7 @@ extern "C" {
 
 /**
  * \brief Path is not absolute
- * 
+ *
  * The specified path is not absolute. This error is reported when the user
  * specifies paths that are not absolute, i.e. paths like "path/to/directory".
  * As a rule of thumb, in gphoto2, there is nothing like relative paths.
diff --git a/gphoto2/gphoto2-setting.h b/gphoto2/gphoto2-setting.h
index 15a74a878..697cea91e 100644
--- a/gphoto2/gphoto2-setting.h
+++ b/gphoto2/gphoto2-setting.h
@@ -9,10 +9,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
diff --git a/gphoto2/gphoto2-version.h b/gphoto2/gphoto2-version.h
index 0de10a26a..a25fc094a 100644
--- a/gphoto2/gphoto2-version.h
+++ b/gphoto2/gphoto2-version.h
@@ -9,10 +9,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
diff --git a/gphoto2/gphoto2-widget.h b/gphoto2/gphoto2-widget.h
index 126f7e251..d33437cbb 100644
--- a/gphoto2/gphoto2-widget.h
+++ b/gphoto2/gphoto2-widget.h
@@ -9,10 +9,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public
@@ -70,7 +70,7 @@ typedef enum {									/* Value (get/set):	*/
  */
 typedef int (* CameraWidgetCallback) (Camera *, CameraWidget *, GPContext *);
 
-int 	gp_widget_new 	(CameraWidgetType type, const char *label, 
+int 	gp_widget_new 	(CameraWidgetType type, const char *label,
 		         CameraWidget **widget);
 int    	gp_widget_free 	(CameraWidget *widget);
 int     gp_widget_ref   (CameraWidget *widget);
@@ -80,14 +80,14 @@ int	gp_widget_append	(CameraWidget *widget, CameraWidget *child);
 int 	gp_widget_prepend	(CameraWidget *widget, CameraWidget *child);
 
 int 	gp_widget_count_children     (CameraWidget *widget);
-int	gp_widget_get_child	     (CameraWidget *widget, int child_number, 
+int	gp_widget_get_child	     (CameraWidget *widget, int child_number,
 				      CameraWidget **child);
 
 /* Retrieve Widgets */
 int	gp_widget_get_child_by_label (CameraWidget *widget,
 				      const char *label,
 				      CameraWidget **child);
-int	gp_widget_get_child_by_id    (CameraWidget *widget, int id, 
+int	gp_widget_get_child_by_id    (CameraWidget *widget, int id,
 				      CameraWidget **child);
 int	gp_widget_get_child_by_name  (CameraWidget *widget,
                                       const char *name,
@@ -110,14 +110,14 @@ int	gp_widget_get_id	(CameraWidget *widget, int *id);
 int	gp_widget_get_type	(CameraWidget *widget, CameraWidgetType *type);
 int	gp_widget_get_label	(CameraWidget *widget, const char **label);
 
-int	gp_widget_set_range	(CameraWidget *range, 
+int	gp_widget_set_range	(CameraWidget *range,
 				 float  low, float  high, float  increment);
-int	gp_widget_get_range	(CameraWidget *range, 
+int	gp_widget_get_range	(CameraWidget *range,
 				 float *min, float *max, float *increment);
 
 int	gp_widget_add_choice     (CameraWidget *widget, const char *choice);
 int	gp_widget_count_choices  (CameraWidget *widget);
-int	gp_widget_get_choice     (CameraWidget *widget, int choice_number, 
+int	gp_widget_get_choice     (CameraWidget *widget, int choice_number,
                                   const char **choice);
 
 int	gp_widget_changed        (CameraWidget *widget);
diff --git a/gphoto2/gphoto2.h b/gphoto2/gphoto2.h
index ac95a835a..9bb6ba970 100644
--- a/gphoto2/gphoto2.h
+++ b/gphoto2/gphoto2.h
@@ -10,10 +10,10 @@
  * version 2 of the License, or (at your option) any later version.
  *
  * \note
- * This library is distributed in the hope that it will be useful, 
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details. 
+ * Lesser General Public License for more details.
  *
  * \note
  * You should have received a copy of the GNU Lesser General Public