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https://git.FreeBSD.org/src.git
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Sync with OpenBSD, primarily make the code easier to read, and a license
change to standard OpenBSD ISC license. Obtained from: OpenBSD MFC after: 2 weeks
This commit is contained in:
Xin LI
parent
8e27b6e60f
commit
488d6e0c3d
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=223216
@ -1,33 +1,22 @@
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.\" $OpenBSD: basename.3,v 1.20 2007/05/31 19:19:28 jmc Exp $
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.\"
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.\" Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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.\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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.\" AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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.\" THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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.\" EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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.\" PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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.\" OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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.\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.\" $OpenBSD: basename.3,v 1.12 2000/04/18 03:01:25 aaron Exp $
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.\" $FreeBSD$
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.\"
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.Dd October 6, 2009
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.Dd March 31, 2010
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.Dt BASENAME 3
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.Os
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.Sh NAME
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@ -42,8 +31,7 @@
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.Sh DESCRIPTION
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The
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.Fn basename
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function
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returns the last component from the pathname pointed to by
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function returns the last component from the pathname pointed to by
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.Fa path ,
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deleting any trailing
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.Sq \&/
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@ -111,4 +99,15 @@ function first appeared in
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and
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.Fx 4.2 .
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.Sh AUTHORS
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.An "Todd C. Miller" Aq Todd.Miller@courtesan.com
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.An Todd C. Miller
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.Sh CAVEATS
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.Fn basename
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returns a pointer to internal static storage space that will be overwritten
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by subsequent calls.
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.Pp
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Other vendor implementations of
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.Fn basename
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may modify the contents of the string passed to
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.Fn basename ;
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this should be taken into account when writing code which calls this function
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if portability is desired.
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@ -1,35 +1,21 @@
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/* $OpenBSD: basename.c,v 1.14 2005/08/08 08:05:33 espie Exp $ */
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/*
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* Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
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* All rights reserved.
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* Copyright (c) 1997, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#if 0
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#ifndef lint
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static char rcsid[] = "$OpenBSD: basename.c,v 1.4 1999/05/30 17:10:30 espie Exp $";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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@ -40,27 +26,28 @@ __FBSDID("$FreeBSD$");
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#include <sys/param.h>
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char *
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basename_r(path, bname)
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const char *path;
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char *bname;
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basename_r(const char *path, char *bname)
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{
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const char *endp, *startp;
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size_t len;
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/* Empty or NULL string gets treated as "." */
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if (path == NULL || *path == '\0') {
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(void)strcpy(bname, ".");
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return(bname);
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bname[0] = '.';
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bname[1] = '\0';
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return (bname);
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}
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/* Strip trailing slashes */
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/* Strip any trailing slashes */
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endp = path + strlen(path) - 1;
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while (endp > path && *endp == '/')
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endp--;
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/* All slashes becomes "/" */
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if (endp == path && *endp == '/') {
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(void)strcpy(bname, "/");
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return(bname);
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bname[0] = '/';
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bname[1] = '\0';
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return (bname);
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}
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/* Find the start of the base */
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@ -68,18 +55,18 @@ basename_r(path, bname)
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while (startp > path && *(startp - 1) != '/')
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startp--;
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if (endp - startp + 2 > MAXPATHLEN) {
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len = endp - startp + 1;
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if (len >= MAXPATHLEN) {
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errno = ENAMETOOLONG;
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return(NULL);
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return (NULL);
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}
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(void)strncpy(bname, startp, endp - startp + 1);
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bname[endp - startp + 1] = '\0';
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return(bname);
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memcpy(bname, startp, len);
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bname[len] = '\0';
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return (bname);
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}
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char *
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basename(path)
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const char *path;
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basename(const char *path)
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{
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static char *bname = NULL;
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