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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.
- * Copyright (c) 1994 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#) getcwd.c 1.4 94/12/17 16:26:18";
- #endif /* not lint */
-
- #include "tclInt.h"
- #include "tclPort.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;
- }
-
-