From: roland <roland>
Date: Thu, 4 Jul 1996 00:06:19 +0000 (+0000)
Subject: Wed Jul  3 16:29:41 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>
X-Git-Tag: libc-960705~4
X-Git-Url: http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu%2Fglibc.git;a=commitdiff_plain;h=11986f6409f02a6364a76cb0932e4f6c233d26b1;hp=4f51c508c2e1728e5a595d8d52d1e0940e478dfe

Wed Jul  3 16:29:41 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>

	* sysdeps/posix/isfdtype.c: New file.
---

diff --git a/sysdeps/posix/isfdtype.c b/sysdeps/posix/isfdtype.c
new file mode 100644
index 0000000000..9ac38a8b9f
--- /dev/null
+++ b/sysdeps/posix/isfdtype.c
@@ -0,0 +1,37 @@
+/* isfdtype - Determine whether descriptor has given property.
+Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+
+int
+isfdtype (int fildes, int fdtype)
+{
+  struct stat st;
+  int result;
+
+  {
+    int save_error = errno;
+    result = fstat (fildes, &st);
+    errno = save_error;
+  }
+
+  return result ?: (st.st_mode & S_IFMT) == fdtype;
+}