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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/posix/fpathconf.c
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initial import
Diffstat (limited to 'sysdeps/posix/fpathconf.c')
-rw-r--r--sysdeps/posix/fpathconf.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/sysdeps/posix/fpathconf.c b/sysdeps/posix/fpathconf.c
new file mode 100644
index 0000000000..b339990b57
--- /dev/null
+++ b/sysdeps/posix/fpathconf.c
@@ -0,0 +1,116 @@
+/* Copyright (C) 1991, 1995 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <limits.h>
+
+
+/* Get file-specific information about descriptor FD.  */
+long int
+DEFUN(__fpathconf, (fd, name), int fd AND int name)
+{
+  if (fd < 0)
+    {
+      errno = EBADF;
+      return -1;
+    }
+
+  switch (name)
+    {
+    default:
+      errno = EINVAL;
+      return -1;
+
+    case _PC_LINK_MAX:
+#ifdef	LINK_MAX
+      return LINK_MAX;
+#else
+      errno = ENOSYS;
+      return -1;
+#endif
+
+    case _PC_MAX_CANON:
+#ifdef	MAX_CANON
+      return MAX_CANON;
+#else
+      errno = ENOSYS;
+      return -1;
+#endif
+
+    case _PC_MAX_INPUT:
+#ifdef	MAX_INPUT
+      return MAX_INPUT;
+#else
+      errno = ENOSYS;
+      return -1;
+#endif
+
+    case _PC_NAME_MAX:
+#ifdef	NAME_MAX
+      return NAME_MAX;
+#else
+      errno = ENOSYS;
+      return -1;
+#endif
+
+    case _PC_PATH_MAX:
+#ifdef	PATH_MAX
+      return PATH_MAX;
+#else
+      errno = ENOSYS;
+      return -1;
+#endif
+
+    case _PC_PIPE_BUF:
+#ifdef	PIPE_BUF
+      return PIPE_BUF;
+#else
+      errno = ENOSYS;
+      return -1;
+#endif
+
+    case _PC_CHOWN_RESTRICTED:
+#ifdef	_POSIX_CHOWN_RESTRICTED
+      return _POSIX_CHOWN_RESTRICTED;
+#else
+      return -1;
+#endif
+
+    case _PC_NO_TRUNC:
+#ifdef	_POSIX_NO_TRUNC
+      return _POSIX_NO_TRUNC;
+#else
+      return -1;
+#endif
+
+    case _PC_VDISABLE:
+#ifdef	_POSIX_VDISABLE
+      return _POSIX_VDISABLE;
+#else
+      return -1;
+#endif
+    }
+
+  errno = ENOSYS;
+  return -1;
+}
+
+weak_alias (__fpathconf, fpathconf)