diff options
author | Colin Watson <cjwatson@debian.org> | 2003-09-01 18:42:19 +0000 |
---|---|---|
committer | Colin Watson <cjwatson@debian.org> | 2003-09-01 18:42:19 +0000 |
commit | 8d6b7f4c46de3feb66f704ab483e51ea1a3bb0e1 (patch) | |
tree | 41fe3dd71501bbec5b0393f1536c925eaee180e9 /openbsd-compat/basename.c | |
parent | f045c69060bfdd5cf8759a5f29d7008d02e4de5b (diff) | |
parent | 58bfa257481a1c6938ada9bbd38801cc45633fb0 (diff) |
Debian release 3.6p1-1.
Diffstat (limited to 'openbsd-compat/basename.c')
-rw-r--r-- | openbsd-compat/basename.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/openbsd-compat/basename.c b/openbsd-compat/basename.c new file mode 100644 index 000000000..5a3823bc5 --- /dev/null +++ b/openbsd-compat/basename.c | |||
@@ -0,0 +1,73 @@ | |||
1 | /* $OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $ */ | ||
2 | |||
3 | /* | ||
4 | * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com> | ||
5 | * All rights reserved. | ||
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. | ||
15 | * 3. The name of the author may not be used to endorse or promote products | ||
16 | * derived from this software without specific prior written permission. | ||
17 | * | ||
18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
19 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | ||
20 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | ||
21 | * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | ||
24 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
26 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | ||
27 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
28 | */ | ||
29 | #include "includes.h" | ||
30 | |||
31 | #if !defined(HAVE_BASENAME) | ||
32 | |||
33 | #ifndef lint | ||
34 | static char rcsid[] = "$OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $"; | ||
35 | #endif /* not lint */ | ||
36 | |||
37 | char * | ||
38 | basename(const char *path) | ||
39 | { | ||
40 | static char bname[MAXPATHLEN]; | ||
41 | register const char *endp, *startp; | ||
42 | |||
43 | /* Empty or NULL string gets treated as "." */ | ||
44 | if (path == NULL || *path == '\0') { | ||
45 | (void)strlcpy(bname, ".", sizeof bname); | ||
46 | return(bname); | ||
47 | } | ||
48 | |||
49 | /* Strip trailing slashes */ | ||
50 | endp = path + strlen(path) - 1; | ||
51 | while (endp > path && *endp == '/') | ||
52 | endp--; | ||
53 | |||
54 | /* All slashes become "/" */ | ||
55 | if (endp == path && *endp == '/') { | ||
56 | (void)strlcpy(bname, "/", sizeof bname); | ||
57 | return(bname); | ||
58 | } | ||
59 | |||
60 | /* Find the start of the base */ | ||
61 | startp = endp; | ||
62 | while (startp > path && *(startp - 1) != '/') | ||
63 | startp--; | ||
64 | |||
65 | if (endp - startp + 2 > sizeof(bname)) { | ||
66 | errno = ENAMETOOLONG; | ||
67 | return(NULL); | ||
68 | } | ||
69 | strlcpy(bname, startp, endp - startp + 2); | ||
70 | return(bname); | ||
71 | } | ||
72 | |||
73 | #endif /* !defined(HAVE_BASENAME) */ | ||