- isatty() now checks if the file descriptor refers to a real file before

it calls IsInteractive() on it.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15188 87f5fb63-7c3d-0410-a384-fd976d0f7a62

library/changes

@@ -1,3 +1,5 @@
+- isatty() no longer crashes if passed a socket rather than a file.
+
 - Rewrote the GetRexxVar()/SetRexxVar() functions (mostly) in 'C', using available
   code as a reference. The 68k stubs currently only work for the 68k version of
   the library, and a solution for the OS4 build still needs to be found. The code

library/unistd_isatty.c

@@ -1,5 +1,5 @@
 /*
- * $Id: unistd_isatty.c,v 1.9 2006-11-16 14:39:23 obarthel Exp $
+ * $Id: unistd_isatty.c,v 1.10 2008-04-16 07:46:05 obarthel Exp $
  *
  * :ts=4
  *
@@ -67,6 +67,12 @@ isatty(int file_descriptor)
 		goto out;
 	}
 
+	if(FLAG_IS_SET(fd->fd_Flags,FDF_IS_SOCKET))
+	{
+		__set_errno(ENOTTY);
+		goto out;
+	}
+
 	__fd_lock(fd);
 
 	result = 1;