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
@@ -60,42 +60,49 @@ extern udf_enum1_t debug_udf_enums1;
 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.
-*/
-driver_return_code_t udf_read_sectors (const udf_t *p_udf, void *ptr, 
+  /*!
+    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);
 
-/*!
+  /*!
     Open an UDF for reading. Maybe in the future we will have
     a mode. NULL is returned on error.
     
     Caller must free result - use udf_close for that.
-*/
-udf_t *udf_open (const char *psz_path);
+  */
+  udf_t *udf_open (const char *psz_path);
   
-/*!
+  /*!
     Get the root in p_udf. If b_any_partition is false then
     the root must be in the given partition.
     NULL is returned if the partition is not found or a root is not found or
     there is on error.
 
     Caller must free result - use udf_file_free for that.
-*/
-udf_file_t *udf_get_root (udf_t *p_udf, bool b_any_partition, 
+  */
+  udf_file_t *udf_get_root (udf_t *p_udf, bool b_any_partition, 
 			    partition_num_t i_partition);
   
-/**
+  /**
    * Gets the Volume Identifier string, in 8bit unicode (latin-1)
    * psz_volid, place to put the string
    * i_volid_size, size of the buffer volid points to
    * returns the size of buffer needed for all data
    */
-int udf_get_volume_id(udf_t *p_udf, /*out*/ char *psz_volid,  
+  int udf_get_volume_id(udf_t *p_udf, /*out*/ char *psz_volid,  
 			unsigned int i_volid);
   
-/**
+  /**
    * Gets the Volume Set Identifier, as a 128-byte dstring (not decoded)
    * WARNING This is not a null terminated string
    * volsetid, place to put the data
@@ -107,7 +114,7 @@ int udf_get_volume_id(udf_t *p_udf, /*out*/ char *psz_volid,
   int udf_get_volumeset_id(udf_t *p_udf, /*out*/ uint8_t *volsetid,
 			   unsigned int i_volsetid);
   
-/*!
+  /*!
     Return a file pointer matching pzz_name. If b_any_partition is false then
     the root must be in the given partition. 
   */
@@ -121,36 +128,42 @@ 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[]);
-
-  /*!
-  Return the name of the file
- */
-  bool udf_get_file_entry(const udf_file_t *p_udf_file, 
-			  /*out*/ udf_file_entry_t *p_udf_fe);
-
-/*!
-  Return the next subdirectory. 
- */
-  udf_file_t *udf_get_sub(const udf_t *p_udf, const udf_file_t *p_udf_file);
+  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
+  */
+  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 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)
 {