Index: apps/plugins/pdbox/PDa/src/s_file.c
===================================================================
--- apps/plugins/pdbox/PDa/src/s_file.c	(revision 21272)
+++ apps/plugins/pdbox/PDa/src/s_file.c	(working copy)
@@ -6,14 +6,32 @@
  * this file contains file-handling routines.
  */
 
+#ifdef ROCKBOX
+#include "plugin.h"
+#include "pdbox.h"
 #include "m_pd.h"
 #include "s_stuff.h"
+#else /* ROCKBOX */
+#include "m_pd.h"
+#include "s_stuff.h"
 #include <sys/types.h>
 #include <sys/stat.h>
+#endif /* ROCKBOX */
 
     /* LATER delete this? -- replaced by find_via_path() in s_path.c */
 int sys_isreadablefile(const char *s)
 {
+#ifdef ROCKBOX
+    int fd;
+
+    if((fd = rb->open(s, O_RDONLY)))
+    {
+        rb->close(fd);
+        return 1;
+    }
+    else
+        return 0;
+#else /* ROCKBOX */
     struct stat statbuf;
     int mode;
     if (stat(s, &statbuf) < 0) return (0);
@@ -22,13 +40,14 @@
     if (S_ISDIR(mode)) return (0);
 #endif
     return (1);
+#endif /* ROCKBOX */
 }
 
     /* change '/' characters to the system's native file separator */
 void sys_bashfilename(const char *from, char *to)
 {
     char c;
-    while (c = *from++)
+    while((c = *from++))
     {
 #ifdef MSW
     	if (c == '/') c = '\\';
@@ -43,7 +62,7 @@
 void sys_unbashfilename(const char *from, char *to)
 {
     char c;
-    while (c = *from++)
+    while((c = *from++))
     {
 #ifdef MSW
     	if (c == '\\') c = '/';