fstat(): report files of unknown length as sockets

1 files changed, 9 insertions, 2 deletions

diff --git a/com32/lib/sys/fstat.c b/com32/lib/sys/fstat.c
index 3a42ab85..ef5e20dc 100644
--- a/com32/lib/sys/fstat.c
+++ b/com32/lib/sys/fstat.c
@@ -45,8 +45,15 @@ int fstat(int fd, struct stat *buf)
   }
 
   if ( fp->iop->flags & __DEV_FILE ) {
-    buf->st_mode = S_IFREG | 0444;
-    buf->st_size = fp->i.length;
+    if ( fp->i.length == (uint32_t)-1 ) {
+      /* File of unknown length, report it as a socket
+	 (it probably really is, anyway!) */
+      buf->st_mode = S_IFSOCK | 0444;
+      buf->st_size = 0;
+    } else {
+      buf->st_mode = S_IFREG | 0444;
+      buf->st_size = fp->i.length;
+    }
   } else {
     buf->st_mode = S_IFCHR | 0666;
     buf->st_size = 0;