Add S_ISBLK(), S_ISCHR(), S_ISDIR(), S_ISFIFO(), S_ISLNK(), S_ISREG(),

and S_ISSOCK() macros.

OK deraadt@, OK and help from jmc@.

1 files changed, 14 insertions, 1 deletions

diff --git a/lib/libc/sys/stat.2 b/lib/libc/sys/stat.2
index 887109a4744..dfab0110498 100644
--- a/lib/libc/sys/stat.2
+++ b/lib/libc/sys/stat.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: stat.2,v 1.19 2005/06/15 17:48:52 millert Exp $
+.\"	$OpenBSD: stat.2,v 1.20 2006/10/05 05:05:57 ray Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993, 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -175,6 +175,19 @@ has the following bits:
 #define S_IXUSR  0000100  /* execute/search permission, owner */
 .Ed
 .Pp
+The following macros test a file's type.
+If the file is of that type, a non-zero value is returned;
+otherwise, 0 is returned.
+.Bd -literal -offset indent
+S_ISBLK(st_mode m)  /* block special */
+S_ISCHR(st_mode m)  /* char special */
+S_ISDIR(st_mode m)  /* directory */
+S_ISFIFO(st_mode m) /* fifo */        
+S_ISLNK(st_mode m)  /* symbolic link */
+S_ISREG(st_mode m)  /* regular file */ 
+S_ISSOCK(st_mode m) /* socket */       
+.Ed
+.Pp
 For a list of access modes, see
 .Aq Pa sys/stat.h ,
 .Xr access 2 ,