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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 /posix/confstr.c
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initial import
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diff --git a/posix/confstr.c b/posix/confstr.c
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+/* 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;
+}