Patch doesn't SVN add . . .

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22558 a1c6a512-1295-4272-9138-f99709370657

apps/metadata/nsf.c

@@ -0,0 +1,59 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <inttypes.h>
+
+#include "system.h"
+#include "metadata.h"
+#include "metadata_common.h"
+#include "metadata_parsers.h"
+#include "rbunicode.h"
+
+bool get_nsf_metadata(int fd, struct mp3entry* id3)
+{
+    /* Use the trackname part of the id3 structure as a temporary buffer */
+    unsigned char* buf = (unsigned char *)id3->path;
+    int read_bytes;
+    char *p;
+      
+
+    if ((lseek(fd, 0, SEEK_SET) < 0) 
+         || ((read_bytes = read(fd, buf, 110)) < 110))
+    {
+        return false;
+    }
+
+    id3->length = 120*1000;
+    id3->vbr = false;
+    id3->filesize = filesize(fd);
+
+    if (memcmp(buf,"NESM",4) && memcmp(buf,"NSFE",4))
+    {
+        return false;
+    }
+    else if (memcmp(buf, "NESM",4))  /* only NESM contain metadata */
+    {
+        return true;
+    }
+
+    p = id3->id3v2buf;
+
+    /* Title */
+    memcpy(p, &buf[14], 32);
+    id3->title = p;
+    p += strlen(p)+1;
+
+    /* Artist */
+    memcpy(p, &buf[46], 32);
+    id3->artist = p;
+    p += strlen(p)+1;
+
+    /* Copyright (per codec) */
+    memcpy(p, &buf[78], 32);
+    id3->album = p;
+    p += strlen(p)+1;
+        
+    return true;
+}
+