Changed struct isoburn_read_opts to opaque handle

libisoburn/isoburn.h

@@ -144,8 +144,54 @@ IsoDataSource *
 isoburn_data_source_new(struct burn_drive *d);
 
 
+/**
+ * Options for image reading.
+   (Comments here may be outdated. API getter/setter function descriptions
+    may override the descriptions here. Any difference is supposed to be a
+    minor correction only.)
+ */
+struct isoburn_read_opts {
+    unsigned int norock:1; /*< Do not read Rock Ridge extensions */
+    unsigned int nojoliet:1; /*< Do not read Joliet extensions */
+    unsigned int noiso1999:1; /*< Do not read ISO 9660:1999 enhanced tree */
+    unsigned int preferjoliet:1; 
+                /*< When both Joliet and RR extensions are present, the RR
+                 *  tree is used. If you prefer using Joliet, set this to 1. */
+    uid_t uid; /**< Default uid when no RR */
+    gid_t gid; /**< Default uid when no RR */
+    mode_t mode; /**< Default mode when no RR (only permissions) */
+
+    /**
+     * Input charset for RR file names. NULL to use default locale charset.
+     */
+    char *input_charset;
+
+    /* modified by the function isoburn_read_image */
+    unsigned int hasRR:1; /*< It will be set to 1 if RR extensions are present,
+                             to 0 if not. */
+    unsigned int hasJoliet:1; /*< It will be set to 1 if Joliet extensions are 
+                                  present, to 0 if not. */
+
+    /**
+     * It will be set to 1 if the image is an ISO 9660:1999, i.e. it has
+     * a version 2 Enhanced Volume Descriptor.
+     */
+    unsigned int hasIso1999:1;
+
+    /** It will be set to 1 if El-Torito boot record is present, to 0 if not.*/
+    unsigned int hasElTorito:1;
+
+    uint32_t size; /**< Will be filled with the size (in 2048 byte block) of 
+                    *   the image, as reported in the PVM. */
+    unsigned int pretend_blank:1; /* always create empty image */
+};
+
+
 /**
  * Options for image generation by libisofs and image transport to libburn.
+   (Comments here may be outdated. API getter/setter function descriptions
+    may override the descriptions here. Any difference is supposed to be a
+    minor correction only.)
  */
 struct isoburn_imgen_opts {