initial import

posix/confstr.c

@@ -0,0 +1,54 @@
+/* Copyright (C) 1991 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 <stddef.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <confstr.h>
+
+/* If BUF is not NULL, fill in at most LEN characters of BUF
+   with the value corresponding to NAME.  Return the number
+   of characters required to hold NAME's entire value.  */
+size_t
+DEFUN(confstr, (name, buf, len),
+      int name AND char *buf AND size_t len)
+{
+  CONST char *string;
+  size_t string_len;
+
+  switch (name)
+    {
+    case _CS_PATH:
+      {
+	static CONST char cs_path[] = CS_PATH;
+	string = cs_path;
+	string_len = sizeof(cs_path);
+      }
+      break;
+
+    default:
+      errno = EINVAL;
+      return 0;
+    }
+
+  if (buf != NULL)
+    (void) strncpy(buf, string, len);
+  return string_len;
+}