1 files changed, 80 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/pathconf.c b/sysdeps/unix/sysv/linux/pathconf.c
new file mode 100644
index 0000000000..dcf87d5284
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pathconf.c
@@ -0,0 +1,80 @@
+/* Linux specific extensions to pathconf.
+   Copyright (C) 1991, 1995, 1996, 1998 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 <unistd.h>
+#include <limits.h>
+#include <sys/statfs.h>
+
+#include "linux_fsinfo.h"
+
+static long int posix_pathconf (const char *path, int name);
+
+
+/* Get file-specific information about descriptor FD.  */
+long int
+__pathconf (path, name)
+     const char *path;
+     int name;
+{
+  if (name == _PC_LINK_MAX)
+    {
+      struct statfs fsbuf;
+
+      /* Determine the filesystem type.  */
+      if (__statfs (path, &fsbuf) < 0)
+	/* not possible, return the default value.  */
+	return LINK_MAX;
+
+      switch (fsbuf.f_type)
+	{
+	case EXT2_SUPER_MAGIC:
+	  return EXT2_LINK_MAX;
+
+	case MINIX_SUPER_MAGIC:
+	case MINIX_SUPER_MAGIC2:
+	  return MINIX_LINK_MAX;
+
+	case MINIX2_SUPER_MAGIC:
+	case MINIX2_SUPER_MAGIC2:
+	  return MINIX2_LINK_MAX;
+
+	case XENIX_SUPER_MAGIC:
+	  return XENIX_LINK_MAX;
+
+	case SYSV4_SUPER_MAGIC:
+	case SYSV2_SUPER_MAGIC:
+	  return SYSV_LINK_MAX;
+
+	case COH_SUPER_MAGIC:
+	  return COH_LINK_MAX;
+
+	case UFS_MAGIC:
+	case UFS_CIGAM:
+	  return UFS_LINK_MAX;
+
+	default:
+	  return LINK_MAX;
+	}
+    }
+
+  return posix_pathconf (path, name);
+}
+
+#define __pathconf static posix_pathconf
+#include <sysdeps/posix/pathconf.c>