5 files changed, 86 insertions, 1 deletions

diff --git a/firmware/SOURCES b/firmware/SOURCES
index baba51ca20..061c6323c8 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -39,9 +39,9 @@ common/disk.c
 #if !defined(SIMULATOR) || defined(__MINGW32__) || defined(__CYGWIN__)
 common/errno.c
 #endif /* !defined(SIMULATOR) || defined(__MINGW32__) || defined(__CYGWIN__) */
+common/filefuncs.c
 common/memcmp.c
 common/memchr.c
-common/misc.c
 common/qsort.c
 common/random.c
 common/sprintf.c
diff --git a/firmware/common/dir_uncached.c b/firmware/common/dir_uncached.c
index ef9ce6f0af..5ec5c7fb41 100644
--- a/firmware/common/dir_uncached.c
+++ b/firmware/common/dir_uncached.c
@@ -26,6 +26,7 @@
 #include "fat.h"
 #include "dir.h"
 #include "debug.h"
+#include "filefuncs.h"
 
 #if ((defined(MEMORYSIZE) && (MEMORYSIZE > 8)) || MEM > 8)
 #define MAX_OPEN_DIRS 12
diff --git a/firmware/common/file.c b/firmware/common/file.c
index b7bcbaba46..a7facc3d32 100644
--- a/firmware/common/file.c
+++ b/firmware/common/file.c
@@ -26,6 +26,7 @@
 #include "dir_uncached.h"
 #include "debug.h"
 #include "dircache.h"
+#include "filefuncs.h"
 #include "system.h"
 
 /*
diff --git a/firmware/common/filefuncs.c b/firmware/common/filefuncs.c
new file mode 100644
index 0000000000..ca9113250a
--- /dev/null
+++ b/firmware/common/filefuncs.c
@@ -0,0 +1,52 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Björn Stenberg
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include "dir.h"
+#include "stdlib.h"
+#include "string.h"
+
+#ifdef HAVE_MULTIVOLUME
+/* returns on which volume this is, and copies the reduced name
+   (sortof a preprocessor for volume-decorated pathnames) */
+int strip_volume(const char* name, char* namecopy)
+{
+    int volume = 0;
+    const char *temp = name;
+
+    while (*temp == '/')          /* skip all leading slashes */
+        ++temp;
+
+    if (*temp && !strncmp(temp, VOL_NAMES, VOL_ENUM_POS))
+    {
+        temp += VOL_ENUM_POS;     /* behind special name */
+        volume = atoi(temp);      /* number is following */
+        temp = strchr(temp, '/'); /* search for slash behind */
+        if (temp != NULL)
+            name = temp;          /* use the part behind the volume */
+        else
+            name = "/";           /* else this must be the root dir */
+    }
+
+    strlcpy(namecopy, name, MAX_PATH);
+
+    return volume;
+}
+#endif /* #ifdef HAVE_MULTIVOLUME */
diff --git a/firmware/export/filefuncs.h b/firmware/export/filefuncs.h
new file mode 100644
index 0000000000..130c5ff4be
--- /dev/null
+++ b/firmware/export/filefuncs.h
@@ -0,0 +1,31 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Maurus Cuelenaere
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_FILEFUNCS_H_
+#define __INCLUDE_FILEFUNCS_H_
+
+#include "config.h"
+
+#ifdef HAVE_MULTIVOLUME
+int strip_volume(const char* name, char* namecopy);
+#endif
+
+#endif /* __INCLUDE_FILEFUNCS_H_ */