libiso9660 stat routines that match level 1 ISO-9600 filenames

translating them into Unix-style names (i.e. lowercased letter with
version numbers dropped.)

NEWS

@@ -1,3 +1,10 @@
+0.67
+-  portability fix, for ARM e.g
+-- add iso-read program
+-- libiso9960: stat routines that match level 1 ISO-9600 filenames
+   translating them into Unix-style names (i.e. lowercase letters, 
+   with version numbers dropped.)
+
 0.66
 -  Add interface for reading an ISO-9660 image
 -  portability fixes (Solaris, cygwin)
@@ -84,3 +91,5 @@
 
 0.1
   Routines split off from VCDImager.
+
+$Id: NEWS,v 1.31 2004/02/26 00:13:24 rocky Exp $

example/sample7.c

@@ -1,5 +1,5 @@
 /*
-  $Id: sample7.c,v 1.3 2004/02/01 17:13:42 rocky Exp $
+  $Id: sample7.c,v 1.4 2004/02/26 00:13:24 rocky Exp $
 
   Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
   
@@ -25,7 +25,6 @@
 #define ISO9660_IMAGE_PATH "../"
 #define ISO9660_IMAGE ISO9660_IMAGE_PATH "test/copying.iso"
 
-#define ISO9660_FILENAME "/COPYING.;1"
 #define LOCAL_FILENAME "copying"
 
 #ifdef HAVE_CONFIG_H
@@ -36,10 +35,19 @@
 #include <cdio/iso9660.h>
 
 #include <stdio.h>
+
+#ifdef HAVE_ERRNO_H
 #include <errno.h>
+#endif
+#ifdef HAVE_STRING_H
 #include <string.h>
+#endif
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
+#endif
 
 int
 main(int argc, const char *argv[])
@@ -55,17 +63,17 @@ main(int argc, const char *argv[])
     return 1;
   }
 
-  statbuf = iso9660_ifs_stat (iso, ISO9660_FILENAME);
+  statbuf = iso9660_ifs_stat_translate (iso, LOCAL_FILENAME);
 
   if (NULL == statbuf) 
     {
       fprintf(stderr, 
 	      "Could not get ISO-9660 file information for file %s\n",
-	      ISO9660_FILENAME);
+	      LOCAL_FILENAME);
       return 2;
     }
 
-  if (!(outfd = fopen ("copying", "wb")))
+  if (!(outfd = fopen (LOCAL_FILENAME, "wb")))
     {
       perror ("fopen()");
       return 3;

include/cdio/iso9660.h

@@ -1,5 +1,5 @@
 /*
-    $Id: iso9660.h,v 1.38 2004/01/18 15:07:57 rocky Exp $
+    $Id: iso9660.h,v 1.39 2004/02/26 00:13:24 rocky Exp $
 
     Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
     Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -430,12 +430,32 @@ iso9660_stat_t *iso9660_find_ifs_lsn(const iso9660_t *iso, lsn_t lsn);
 iso9660_stat_t *iso9660_fs_stat (const CdIo *obj, const char pathname[], 
                                  bool is_mode2);
 
+/*!
+  Get file status for pathname into stat. NULL is returned on error.
+  pathname version numbers in the ISO 9660
+  name are dropped, i.e. ;1 is removed and if level 1 ISO-9660 names
+  are lowercased.
+ */
+iso9660_stat_t *iso9660_fs_stat_translate (const CdIo *obj, 
+                                           const char pathname[], 
+                                           bool is_mode2);
+
 /*!
   Get file status for pathname into stat. NULL is returned on error.
  */
 void *iso9660_ifs_stat (iso9660_t *iso, const char pathname[]);
 
 
+/*!
+  Get file status for pathname into stat. NULL is returned on error.
+  pathname version numbers in the ISO 9660
+  name are dropped, i.e. ;1 is removed and if level 1 ISO-9660 names
+  are lowercased.
+ */
+void *iso9660_ifs_stat_translate (iso9660_t *iso, const char pathname[]);
+
+
+
 /*! 
   Read pathname (a directory) and return a list of iso9660_stat_t
   of the files inside that. The caller must free the returned result.

lib/iso9660_fs.c

@@ -1,5 +1,5 @@
 /*
-    $Id: iso9660_fs.c,v 1.16 2004/02/07 18:53:02 rocky Exp $
+    $Id: iso9660_fs.c,v 1.17 2004/02/26 00:13:24 rocky Exp $
 
     Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
     Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -40,7 +40,7 @@
 
 #include <stdio.h>
 
-static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.16 2004/02/07 18:53:02 rocky Exp $";
+static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.17 2004/02/26 00:13:24 rocky Exp $";
 
 /* Implementation of iso9660_t type */
 struct _iso9660 {
@@ -233,7 +233,7 @@ _fs_stat_iso_root (iso9660_t *iso)
 
 static iso9660_stat_t *
 _fs_stat_traverse (const CdIo *cdio, const iso9660_stat_t *_root, 
-		   char **splitpath, bool is_mode2)
+		   char **splitpath, bool is_mode2, bool translate)
 {
   unsigned offset = 0;
   uint8_t *_dirbuf = NULL;
@@ -275,6 +275,7 @@ _fs_stat_traverse (const CdIo *cdio, const iso9660_stat_t *_root,
     {
       const iso9660_dir_t *iso9660_dir = (void *) &_dirbuf[offset];
       iso9660_stat_t *stat;
+      int cmp;
 
       if (!iso9660_get_dir_len(iso9660_dir))
 	{
@@ -284,10 +285,25 @@ _fs_stat_traverse (const CdIo *cdio, const iso9660_stat_t *_root,
       
       stat = _iso9660_dir_to_statbuf (iso9660_dir, is_mode2);
 
-      if (!strcmp (splitpath[0], stat->filename))
+      if (translate) {
-	{
+	char *trans_fname = malloc(strlen(stat->filename));
+	int trans_len;
+	
+	if (trans_fname == NULL) {
+	  cdio_warn("can't allocate %u bytes", strlen(stat->filename));
+	  return NULL;
+	}
+	trans_len = iso9660_name_translate(stat->filename, trans_fname);
+	cmp = strcmp(splitpath[0], trans_fname);
+	free(trans_fname);
+      } else {
+	cmp = strcmp(splitpath[0], stat->filename);
+      }
+      
+      if (!cmp) {
 	iso9660_stat_t *ret_stat 
-	    = _fs_stat_traverse (cdio, stat, &splitpath[1], is_mode2);
+	  = _fs_stat_traverse (cdio, stat, &splitpath[1], is_mode2, 
+			       translate);
 	free(stat);
 	free (_dirbuf);
 	return ret_stat;
@@ -307,7 +323,7 @@ _fs_stat_traverse (const CdIo *cdio, const iso9660_stat_t *_root,
 
 static iso9660_stat_t *
 _fs_iso_stat_traverse (iso9660_t *iso, const iso9660_stat_t *_root, 
-		       char **splitpath)
+		       char **splitpath, bool translate)
 {
   unsigned offset = 0;
   uint8_t *_dirbuf = NULL;
@@ -343,6 +359,7 @@ _fs_iso_stat_traverse (iso9660_t *iso, const iso9660_stat_t *_root,
     {
       const iso9660_dir_t *iso9660_dir = (void *) &_dirbuf[offset];
       iso9660_stat_t *stat;
+      int cmp;
 
       if (!iso9660_get_dir_len(iso9660_dir))
 	{
@@ -352,10 +369,24 @@ _fs_iso_stat_traverse (iso9660_t *iso, const iso9660_stat_t *_root,
       
       stat = _iso9660_dir_to_statbuf (iso9660_dir, true);
 
-      if (!strcmp (splitpath[0], stat->filename))
+      if (translate) {
-	{
+	char *trans_fname = malloc(strlen(stat->filename));
+	int trans_len;
+	
+	if (trans_fname == NULL) {
+	  cdio_warn("can't allocate %u bytes", strlen(stat->filename));
+	  return NULL;
+	}
+	trans_len = iso9660_name_translate(stat->filename, trans_fname);
+	cmp = strcmp(splitpath[0], trans_fname);
+	free(trans_fname);
+      } else {
+	cmp = strcmp(splitpath[0], stat->filename);
+      }
+      
+      if (!cmp) {
 	iso9660_stat_t *ret_stat 
-	    = _fs_iso_stat_traverse (iso, stat, &splitpath[1]);
+	  = _fs_iso_stat_traverse (iso, stat, &splitpath[1], translate);
 	free(stat);
 	free (_dirbuf);
 	return ret_stat;
@@ -390,7 +421,35 @@ iso9660_fs_stat (const CdIo *cdio, const char pathname[], bool is_mode2)
   if (NULL == root) return NULL;
 
   splitpath = _cdio_strsplit (pathname, '/');
-  stat = _fs_stat_traverse (cdio, root, splitpath, is_mode2);
+  stat = _fs_stat_traverse (cdio, root, splitpath, is_mode2, false);
+  free(root);
+  _cdio_strfreev (splitpath);
+
+  return stat;
+}
+
+/*!
+  Get file status for pathname into stat. NULL is returned on error.
+  pathname version numbers in the ISO 9660
+  name are dropped, i.e. ;1 is removed and if level 1 ISO-9660 names
+  are lowercased.
+ */
+iso9660_stat_t *
+iso9660_fs_stat_translate (const CdIo *cdio, const char pathname[], 
+			   bool is_mode2)
+{
+  iso9660_stat_t *root;
+  char **splitpath;
+  iso9660_stat_t *stat;
+
+  if (cdio == NULL)     return NULL;
+  if (pathname == NULL) return NULL;
+
+  root = _fs_stat_root (cdio, is_mode2);
+  if (NULL == root) return NULL;
+
+  splitpath = _cdio_strsplit (pathname, '/');
+  stat = _fs_stat_traverse (cdio, root, splitpath, is_mode2, true);
   free(root);
   _cdio_strfreev (splitpath);
 
@@ -414,13 +473,39 @@ iso9660_ifs_stat (iso9660_t *iso, const char pathname[])
   if (NULL == root) return NULL;
 
   splitpath = _cdio_strsplit (pathname, '/');
-  stat = _fs_iso_stat_traverse (iso, root, splitpath);
+  stat = _fs_iso_stat_traverse (iso, root, splitpath, false);
   free(root);
   _cdio_strfreev (splitpath);
 
   return stat;
 }
 
+/*!
+  Get file status for pathname into stat. NULL is returned on error.
+  pathname version numbers in the ISO 9660
+  name are dropped, i.e. ;1 is removed and if level 1 ISO-9660 names
+  are lowercased.
+ */
+void *
+iso9660_ifs_stat_translate (iso9660_t *iso, const char pathname[])
+{
+  iso9660_stat_t *root;
+  char **splitpath;
+  iso9660_stat_t *stat;
+
+  if (iso == NULL)      return NULL;
+  if (pathname == NULL) return NULL;
+
+  root = _fs_stat_iso_root (iso);
+  if (NULL == root) return NULL;
+
+  splitpath = _cdio_strsplit (pathname, '/');
+  stat = _fs_iso_stat_traverse (iso, root, splitpath, true);
+  free(root);
+  _cdio_strfreev (splitpath);
+
+  return stat;
+}
 
 /*! 
   Read pathname (a directory) and return a list of iso9660_stat_t

src/iso-read.c

@@ -1,5 +1,5 @@
 /*
-  $Id: iso-read.c,v 1.1 2004/02/25 10:03:27 rocky Exp $
+  $Id: iso-read.c,v 1.2 2004/02/26 00:13:24 rocky Exp $
 
   Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
   
@@ -180,7 +180,7 @@ main(int argc, const char *argv[])
     return 1;
   }
 
-  statbuf = iso9660_ifs_stat (iso, opts.file_name);
+  statbuf = iso9660_ifs_stat_translate (iso, opts.file_name);
 
   if (NULL == statbuf) 
     {