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Annotation of src/lib/libc/compat-43/getwd.c, Revision 1.15

1.15    ! abs         1: /*     $NetBSD: getwd.c,v 1.14 2003/08/07 16:42:39 agc Exp $   */
1.5       christos    2:
1.1       cgd         3: /*-
1.7       perry       4:  * Copyright (c) 1990, 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
1.1       cgd         6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
1.14      agc        15:  * 3. Neither the name of the University nor the names of its contributors
1.1       cgd        16:  *    may be used to endorse or promote products derived from this software
                     17:  *    without specific prior written permission.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29:  * SUCH DAMAGE.
                     30:  */
                     31:
1.5       christos   32: #include <sys/cdefs.h>
1.1       cgd        33: #if defined(LIBC_SCCS) && !defined(lint)
1.5       christos   34: #if 0
1.7       perry      35: static char sccsid[] = "@(#)getwd.c    8.1 (Berkeley) 6/2/93";
1.5       christos   36: #else
1.15    ! abs        37: __RCSID("$NetBSD: getwd.c,v 1.14 2003/08/07 16:42:39 agc Exp $");
1.5       christos   38: #endif
1.1       cgd        39: #endif /* LIBC_SCCS and not lint */
                     40:
1.6       jtc        41: #include "namespace.h"
1.1       cgd        42: #include <sys/param.h>
1.10      lukem      43:
                     44: #include <assert.h>
1.1       cgd        45: #include <errno.h>
                     46: #include <stdio.h>
                     47: #include <string.h>
1.10      lukem      48: #include <unistd.h>
1.8       lukem      49:
                     50: __warn_references(getwd,
1.12      mycroft    51:     "warning: getwd() possibly used unsafely, consider using getcwd()")
1.1       cgd        52:
                     53: char *
1.15    ! abs        54: getwd(char *buf)
1.1       cgd        55: {
                     56:        char *p;
1.10      lukem      57:
                     58:        _DIAGASSERT(buf != NULL);
1.1       cgd        59:
1.5       christos   60:        if ((p = getcwd(buf, MAXPATHLEN)) != NULL)
1.1       cgd        61:                return(p);
1.13      itojun     62:        (void)strlcpy(buf, strerror(errno), MAXPATHLEN);
1.1       cgd        63:        return((char *)NULL);
                     64: }