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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 19:49:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 19:49:46 +0000 |
commit | 0b6b94e6b6152f15cf4c2247c5974f539aae28cd (patch) | |
tree | a7698198a1f527ede17a929af46e456e03d50600 /openbsd-compat/basename.c | |
parent | Initial commit. (diff) | |
download | openssh-0b6b94e6b6152f15cf4c2247c5974f539aae28cd.tar.xz openssh-0b6b94e6b6152f15cf4c2247c5974f539aae28cd.zip |
Adding upstream version 1:9.6p1.upstream/1%9.6p1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'openbsd-compat/basename.c')
-rw-r--r-- | openbsd-compat/basename.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/openbsd-compat/basename.c b/openbsd-compat/basename.c new file mode 100644 index 0000000..ffa5c89 --- /dev/null +++ b/openbsd-compat/basename.c @@ -0,0 +1,67 @@ +/* $OpenBSD: basename.c,v 1.14 2005/08/08 08:05:33 espie Exp $ */ + +/* + * Copyright (c) 1997, 2004 Todd C. Miller <Todd.Miller@courtesan.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* OPENBSD ORIGINAL: lib/libc/gen/basename.c */ + +#include "includes.h" +#ifndef HAVE_BASENAME +#include <errno.h> +#include <string.h> + +char * +basename(const char *path) +{ + static char bname[MAXPATHLEN]; + size_t len; + const char *endp, *startp; + + /* Empty or NULL string gets treated as "." */ + if (path == NULL || *path == '\0') { + bname[0] = '.'; + bname[1] = '\0'; + return (bname); + } + + /* Strip any trailing slashes */ + endp = path + strlen(path) - 1; + while (endp > path && *endp == '/') + endp--; + + /* All slashes becomes "/" */ + if (endp == path && *endp == '/') { + bname[0] = '/'; + bname[1] = '\0'; + return (bname); + } + + /* Find the start of the base */ + startp = endp; + while (startp > path && *(startp - 1) != '/') + startp--; + + len = endp - startp + 1; + if (len >= sizeof(bname)) { + errno = ENAMETOOLONG; + return (NULL); + } + memcpy(bname, startp, len); + bname[len] = '\0'; + return (bname); +} + +#endif /* !defined(HAVE_BASENAME) */ |