X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fcbm%2Fopendir.c;h=fe7fecb20a942e8fa2ff69c369267e9efef7fa11;hb=6a92d8b987ef98b97fced19533573c9e74b208a9;hp=8b2334da9e10ba7720ad94461634cc0dcd11b4ea;hpb=55463bbf91e41d319ffc176f62ca5d90738ecbb7;p=cc65

diff --git a/libsrc/cbm/opendir.c b/libsrc/cbm/opendir.c
index 8b2334da9..fe7fecb20 100644
--- a/libsrc/cbm/opendir.c
+++ b/libsrc/cbm/opendir.c
@@ -11,23 +11,35 @@
 
 
 
-DIR* __fastcall__ opendir (const char*)
+DIR* __fastcall__ opendir (register const char* name)
 {
-    unsigned char buf[32];
+    unsigned char buf[2];
     DIR* dir = 0;
     DIR d;
 
-    /* Setup file name and offset */
+    /* Setup the actual file name that is sent to the disk. We accept "0:",
+     * "1:" and "." as directory names.
+     */
     d.name[0] = '$';
-    d.name[1] = '\0';
-    d.off     = sizeof (buf);
+    if (name == 0 || name[0] == '\0' || (name[0] == '.' && name[1] == '\0')) {
+        d.name[1] = '\0';
+    } else if ((name[0] == '0' || name[0] == '1') && name[1] == ':' && name[2] == '\0') {
+        d.name[1] = name[0];
+        d.name[2] = '\0';
+    } else {
+        errno = EINVAL;
+        goto exitpoint;
+    }
+
+    /* Set the offset of the first entry */
+    d.off = sizeof (buf);
 
     /* Open the directory on disk for reading */
     d.fd = open (d.name, O_RDONLY);
     if (d.fd >= 0) {
 
-        /* Skip the disk header */
-        if (_dirread (&d, buf, 32)) {
+        /* Skip the load address */         
+        if (_dirread (&d, buf, sizeof (buf))) {
 
             /* Allocate memory for the DIR structure returned */
             dir = malloc (sizeof (*dir));
@@ -42,6 +54,7 @@ DIR* __fastcall__ opendir (const char*)
         }
     }
 
+exitpoint:
     /* Done */
     return dir;
 }