libmtp: Rename patches/15_read_chunks.diff to patches/15_read_chunks.patch.

patches/15_read_chunks.diff

-Index: src/libmtp.c
-===================================================================
---- src/libmtp.c        (revision 167447)
-+++ src/libmtp.c        (working copy)
-@@ -4972,6 +4972,56 @@
- }
- 
- /**
-+ * This copies a chunk of a file off the device to memory.
-+ * @param device a pointer to the device to get the track from.
-+ * @param id the file ID of the file to retrieve.
-+ * @param offset the offset of the file to read from.
-+ * @param count the amount of data to read.
-+ * @param data a pointer to the data from the device. Must be
-+ *             <coded>free()</code>:ed by the caller after use.
-+ * @param datalen the amount of data written to <code>data</code>.
-+ * @return 0 if the transfer was successful, any other value means
-+ *           failure.
-+ */
-+int LIBMTP_Get_File_Chunk(LIBMTP_mtpdevice_t* device, uint32_t id,
-+                          uint32_t offset, uint32_t count,
-+                          unsigned char** data, uint32_t* datalen)
-+{
-+  uint16_t ret;
-+  PTPParams *params = (PTPParams *) device->params;
-+  PTP_USB *ptp_usb = (PTP_USB*) device->usbinfo;
-+  PTPObject *ob;
-+
-+  if (!data || !datalen) {
-+    add_error_to_errorstack(device, LIBMTP_ERROR_GENERAL, "LIBMTP_Get_File_Chunk(): Invalid parameter.");
-+    return -1;
-+  }
-+
-+  ret = ptp_object_want (params, id, PTPOBJECT_OBJECTINFO_LOADED, &ob);
-+  if (ret != PTP_RC_OK) {
-+    add_error_to_errorstack(device, LIBMTP_ERROR_GENERAL, "LIBMTP_Get_File_Chunk(): Could not get object info.");
-+    return -1;
-+  }
-+  if (ob->oi.ObjectFormat == PTP_OFC_Association) {
-+    add_error_to_errorstack(device, LIBMTP_ERROR_GENERAL, "LIBMTP_Get_File_Chunk(): Bad object format.");
-+    return -1;
-+  }
-+
-+  ret = ptp_getpartialobject(params, id, offset, count, data, datalen);
-+
-+  if (ret == PTP_ERROR_CANCEL) {
-+    add_error_to_errorstack(device, LIBMTP_ERROR_CANCELLED, "LIBMTP_Get_File_Chunk(): Cancelled transfer.");
-+    return -1;
-+  }
-+  if (ret != PTP_RC_OK) {
-+    add_ptp_error_to_errorstack(device, ret, "LIBMTP_Get_File_Chunk(): Could not get file from device.");
-+    return -1;
-+  }
-+
-+  return 0;
-+}
-+
-+/**
-  * This is a manual conversion from MTPDataGetFunc to PTPDataGetFunc
-  * to isolate the internal type.
-  */
-Index: src/libmtp.h
-===================================================================
---- src/libmtp.h        (revision 167447)
-+++ src/libmtp.h        (working copy)
-@@ -876,6 +876,8 @@
-                                             uint32_t const,
-                                             uint32_t const);
- LIBMTP_file_t *LIBMTP_Get_Filemetadata(LIBMTP_mtpdevice_t *, uint32_t const);
-+int LIBMTP_Get_File_Chunk(LIBMTP_mtpdevice_t*, uint32_t, uint32_t, uint32_t,
-+                          unsigned char**, uint32_t*);
- int LIBMTP_Get_File_To_File(LIBMTP_mtpdevice_t*, uint32_t, char const * const,
-                        LIBMTP_progressfunc_t const, void const * const);
- int LIBMTP_Get_File_To_File_Descriptor(LIBMTP_mtpdevice_t*,
-Index: src/libmtp.h.in
-===================================================================
---- src/libmtp.h.in     (revision 167447)
-+++ src/libmtp.h.in     (working copy)
-@@ -876,6 +876,8 @@
-                                             uint32_t const,
-                                             uint32_t const);
- LIBMTP_file_t *LIBMTP_Get_Filemetadata(LIBMTP_mtpdevice_t *, uint32_t const);
-+int LIBMTP_Get_File_Chunk(LIBMTP_mtpdevice_t*, uint32_t, uint32_t, uint32_t,
-+                          unsigned char**, uint32_t*);
- int LIBMTP_Get_File_To_File(LIBMTP_mtpdevice_t*, uint32_t, char const * const,
-                        LIBMTP_progressfunc_t const, void const * const);
- int LIBMTP_Get_File_To_File_Descriptor(LIBMTP_mtpdevice_t*,
-Index: src/libmtp.sym
-===================================================================
---- src/libmtp.sym      (revision 167447)
-+++ src/libmtp.sym      (working copy)
-@@ -49,6 +49,7 @@
- LIBMTP_Get_Filelisting_With_Callback
- LIBMTP_Get_Files_And_Folders
- LIBMTP_Get_Filemetadata
-+LIBMTP_Get_File_Chunk
- LIBMTP_Get_File_To_File
- LIBMTP_Get_File_To_File_Descriptor
- LIBMTP_Get_File_To_Handler