Add more access functions.

include/cdio/udf.h

@@ -1,5 +1,5 @@
 /*  
-    $Id: udf.h,v 1.12 2005/10/27 11:18:56 rocky Exp $
+    $Id: udf.h,v 1.13 2005/10/29 14:43:50 rocky Exp $
     Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
 
     This program is free software; you can redistribute it and/or modify
@@ -61,9 +61,16 @@ extern "C" {
 #endif /* __cplusplus */
 
   /*!
-  Seek to a position i_start and then read i_blocks. Number of blocks read is 
-  returned. One normally expects the return to be equal to i_blocks.
+    Close UDF and free resources associated with p_udf.
   */
+  bool udf_close (udf_t *p_udf);
+  
+  /*!  
+    Seek to a position i_start and then read i_blocks. Number of
+    blocks read is returned. One normally expects the return to be
+    equal to i_blocks.
+  */
+
   driver_return_code_t udf_read_sectors (const udf_t *p_udf, void *ptr, 
 					 lsn_t i_start,  long int i_blocks);
 
@@ -121,10 +128,15 @@ int udf_get_volume_id(udf_t *p_udf, /*out*/ char *psz_volid,
   const char *udf_get_attr_str(udf_Uint32_t permissions, char perms[]);
 
   /*!
-    Returns a POSIX filemode string for a given p_udf_file.
+    Return the file id descriptor of the given file.
   */
-  const char *udf_get_posix_filemode_str(const udf_file_t *p_udf_file, 
-					 char perms[]);
+  bool udf_get_fileid_descriptor(const udf_file_t *p_udf_file, 
+				 /*out*/ udf_fileid_desc_t *p_udf_fid);
+
+  /*!
+    Return the name of the file
+  */
+  const char *udf_get_filename(const udf_file_t *p_udf_file);
   
   /*!
     Return the name of the file
@@ -132,25 +144,26 @@ int udf_get_volume_id(udf_t *p_udf, /*out*/ char *psz_volid,
   bool udf_get_file_entry(const udf_file_t *p_udf_file, 
 			  /*out*/ udf_file_entry_t *p_udf_fe);
 
+  /*!  
+    Returns a POSIX filemode string for a given p_udf_file.
+  */
+  const char *udf_get_posix_filemode_str(const udf_file_t *p_udf_file, 
+					 char perms[]);
+
   /*!
     Return the next subdirectory. 
   */
   udf_file_t *udf_get_sub(const udf_t *p_udf, const udf_file_t *p_udf_file);
   
-  /*!
-  Return the name of the file
-  */
-  const char *udf_get_filename(const udf_file_t *p_udf_file);
-
   /*!
     Return the next file.
   */
   udf_file_t *udf_get_next(const udf_t *p_udf, udf_file_t *p_udf_file);
   
   /*!
-    Close UDF and free resources associated with p_udf.
+    Return the partition number of the file
   */
-  bool udf_close (udf_t *p_udf);
+  int16_t udf_get_part_number(const udf_t *p_udf);
 
   /*!
     free free resources associated with p_udf_file.

lib/udf/libudf.sym

@@ -12,7 +12,10 @@ VSD_STD_ID_TEA01
 udf_close
 udf_file_free
 udf_get_file_entry
+udf_get_fileid_descriptor
 udf_get_filename
+udf_get_part_number
+udf_get_posix_filemode_str
 udf_get_next
 udf_get_sub
 udf_is_dir

lib/udf/udf.c

@@ -1,5 +1,5 @@
 /*
-    $Id: udf.c,v 1.3 2005/10/27 11:18:57 rocky Exp $
+    $Id: udf.c,v 1.4 2005/10/29 14:43:50 rocky Exp $
 
     Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
 
@@ -77,6 +77,32 @@ udf_get_file_entry(const udf_file_t *p_udf_file,
   return true;
 }
 
+  /*!
+    Return the file id descriptor of the given file.
+  */
+bool udf_get_fileid_descriptor(const udf_file_t *p_udf_file, 
+			       /*out*/ udf_fileid_desc_t *p_udf_fid)
+{
+  
+  if (!p_udf_file) return false;
+  if (!p_udf_file->fid) {
+    /* FIXME do something about trying to get the descriptor. */
+    return false;
+  }
+  memcpy(p_udf_fid, p_udf_file->fid, sizeof(udf_fileid_desc_t));
+  return true;
+}
+
+
+/*!
+  Return the partition number of the file
+*/
+int16_t udf_get_part_number(const udf_t *p_udf)
+{
+  if (!p_udf) return -1;
+  return p_udf->i_partition;
+}
+
 bool
 udf_is_dir(const udf_file_t *p_udf_file)
 {