Support for relaxed filenames on ISO-9660 images.

demo/iso.c

@@ -55,6 +55,10 @@ int main(int argc, char **argv)
         0, /* joliet */
         0, /* omit_version_numbers */
         0, /* allow_deep_paths */
+        0, /* max_37_char_filenames */
+        0, /* no_force_dots */
+        0, /* allow_lowercase */
+        0, /* allow_full_ascii */
         0, /* joliet_longer_paths */
         0, /* sort files */
         0, /* replace_dir_mode */

demo/iso_grow.c

@@ -38,6 +38,10 @@ int main(int argc, char **argv)
         0, /* joliet */
         0, /* omit_version_numbers */
         0, /* allow_deep_paths */
+        0, /* max_37_char_filenames */
+        0, /* no_force_dots */
+        0, /* allow_lowercase */
+        0, /* allow_full_ascii */
         0, /* joliet_longer_paths */
         1, /* sort files */
         0, /* replace_dir_mode */

demo/iso_modify.c

@@ -33,6 +33,10 @@ int main(int argc, char **argv)
         0, /* joliet */
         0, /* omit_version_numbers */
         0, /* allow_deep_paths */
+        0, /* max_37_char_filenames */
+        0, /* no_force_dots */
+        0, /* allow_lowercase */
+        0, /* allow_full_ascii */
         0, /* joliet_longer_paths */
         1, /* sort files */
         0, /* replace_dir_mode */

demo/iso_ms.c

@@ -33,6 +33,10 @@ int main(int argc, char **argv)
         0, /* joliet */
         0, /* omit_version_numbers */
         0, /* allow_deep_paths */
+        0, /* max_37_char_filenames */
+        0, /* no_force_dots */
+        0, /* allow_lowercase */
+        0, /* allow_full_ascii */
         0, /* joliet_longer_paths */
         1, /* sort files */
         0, /* replace_dir_mode */

src/ecma119.c

@@ -836,8 +836,13 @@ int ecma119_image_new(IsoImage *src, Ecma119WriteOpts *opts, Ecma119Image **img)
     target->rockridge = opts->rockridge;
     target->joliet = opts->joliet;
     target->ino = 0;
-    target->omit_version_numbers = opts->omit_version_numbers;
+    target->omit_version_numbers = opts->omit_version_numbers 
+                                 | opts->max_37_char_filenames;
     target->allow_deep_paths = opts->allow_deep_paths;
+    target->max_37_char_filenames = opts->max_37_char_filenames;
+    target->no_force_dots = opts->no_force_dots;
+    target->allow_lowercase = opts->allow_lowercase;
+    target->allow_full_ascii = opts->allow_full_ascii;
     target->joliet_longer_paths = opts->joliet_longer_paths;
     target->sort_files = opts->sort_files;
 

src/ecma119.h

@@ -39,10 +39,13 @@ struct ecma119_image
     /* relaxed constraints */
     unsigned int omit_version_numbers :1;
     unsigned int allow_deep_paths :1;
+    unsigned int max_37_char_filenames :1;
+    unsigned int no_force_dots :1;
+    unsigned int allow_lowercase :1;
+    unsigned int allow_full_ascii :1;
     
     /** Allow paths on Joliet tree to be larger than 240 bytes */
     unsigned int joliet_longer_paths :1;
-    //    int relaxed_constraints; /**< see ecma119_relaxed_constraints_flag */
 
     /* 
      * Mode replace. If one of these flags is set, the correspodent values are

src/ecma119_tree.c

@@ -24,7 +24,7 @@
 static
 int get_iso_name(Ecma119Image *img, IsoNode *iso, char **name)
 {
-    int ret;
+    int ret, relaxed;
     char *ascii_name;
     char *isoname= NULL;
 
@@ -39,20 +39,47 @@ int get_iso_name(Ecma119Image *img, IsoNode *iso, char **name)
         return ret;
     }
 
-    // TODO add support for relaxed constraints
+    if (img->allow_full_ascii) {
+        relaxed = 2;
+    } else {
+        relaxed = (int)img->allow_lowercase;
+    }
     if (iso->type == LIBISO_DIR) {
-        if (img->iso_level == 1) {
+        if (img->max_37_char_filenames) {
+            isoname = iso_r_dirid(ascii_name, 37, relaxed);
+        } else if (img->iso_level == 1) {
+            if (relaxed) {
+                isoname = iso_r_dirid(ascii_name, 8, relaxed);
+            } else {
                 isoname = iso_1_dirid(ascii_name);
+            }
+        } else {
+            if (relaxed) {
+                isoname = iso_r_dirid(ascii_name, 8, relaxed);
             } else {
                 isoname = iso_2_dirid(ascii_name);
             }
+        }
+    } else {
+        if (img->max_37_char_filenames) {
+            isoname = iso_r_fileid(ascii_name, 36, relaxed, 
+                                   img->no_force_dots ? 0 : 1);
+        } else if (img->iso_level == 1) {
+            if (relaxed) {
+                isoname = iso_r_fileid(ascii_name, 11, relaxed, 
+                                       img->no_force_dots ? 0 : 1);
             } else {
-        if (img->iso_level == 1) {
                 isoname = iso_1_fileid(ascii_name);
+            }
+        } else {
+            if (relaxed) {
+                isoname = iso_r_fileid(ascii_name, 30, relaxed, 
+                                       img->no_force_dots ? 0 : 1);
             } else {
                 isoname = iso_2_fileid(ascii_name);
             }
         }
+    }
     free(ascii_name);
     if (isoname != NULL) {
         *name = isoname;
@@ -615,8 +642,9 @@ int mangle_tree(Ecma119Image *img, int recurse)
 {
     int max_file, max_dir;
 
-    // TODO take care about relaxed constraints
+    if (img->max_37_char_filenames) {
-    if (img->iso_level == 1) {
+        max_file = max_dir = 37;
+    } else if (img->iso_level == 1) {
         max_file = 12; /* 8 + 3 + 1 */
         max_dir = 8;
     } else {

src/libisofs.h

@@ -103,17 +103,11 @@ typedef struct
     /* relaxed constraints */
     unsigned int omit_version_numbers :1;
     unsigned int allow_deep_paths :1;
+    unsigned int max_37_char_filenames :1;
+    unsigned int no_force_dots :1;
+    unsigned int allow_lowercase :1;
+    unsigned int allow_full_ascii :1;
     unsigned int joliet_longer_paths :1;
-    //int relaxed_constraints; /**< see ecma119_relaxed_constraints_flag */
-
-    //unsigned int copy_eltorito:1;
-    /**<
-     * In multisession discs, select whether to copy el-torito catalog
-     * and boot image. Copy is needed for isolinux images, that need to
-     * be patched. However, it can lead to problems when the image is 
-     * not present in the iso filesystem, because we can't figure out
-     * its size. In those cases, we only copy 1 block of data.
-     */
 
     /**< If files should be sorted based on their weight. */
     unsigned int sort_files :1;