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- /*
- * getcwd.c --
- *
- * This file provides an implementation of the getcwd procedure
- * that uses getwd, for systems with getwd but without getcwd.
- *
- * Copyright (c) 1993 The Regents of the University of California.
- * All rights reserved.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
- * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
- * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /user6/ouster/tcl/compat/RCS/strtod.c,v 1.4 93/0
- 3/19 15:25:47 ouster Exp $ SPRITE (Berkeley)";
- #endif /* not lint */
-
- #include "tclInt.h"
- #include "tclUnix.h"
-
- extern char *getwd _ANSI_ARGS_((char *pathname));
-
- char *
- getcwd(buf, size)
- char *buf; /* Where to put path for current directory. */
- size_t size; /* Number of bytes at buf. */
- {
- char realBuffer[MAXPATHLEN+1];
- int length;
-
- if (getwd(realBuffer) == NULL) {
- /*
- * There's not much we can do besides guess at an errno to
- * use for the result (the error message in realBuffer isn't
- * much use...).
- */
-
- errno = EACCES;
- return NULL;
- }
- length = strlen(realBuffer);
- if (length >= size) {
- errno = ERANGE;
- return NULL;
- }
- strcpy(buf, realBuffer);
- return buf;
- }
-
-