d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use basename(3).

Browse Source
This commit is contained in:
Dag-Erling Smørgrav 2000-09-03 17:09:41 +00:00
parent b88a21e265
commit 2da8f234a1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=65413
1 changed files with 4 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
usr.bin/basename/basename.c
View File

@ -29,6 +29,8 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef lint
@ -41,9 +43,8 @@ static const char copyright[] =
static const char sccsid[] = "@(#)basename.c 8.4 (Berkeley) 5/4/95";
#endif /* not lint */
#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
void usage __P((void));
@ -53,7 +54,6 @@ main(argc, argv)
int argc;
char **argv;
{
char *p;
int ch;
while ((ch = getopt(argc, argv, "")) != -1)
@ -68,65 +68,7 @@ main(argc, argv)
if (argc != 1 && argc != 2)
usage();
/*
* (1) If string is // it is implementation defined whether steps (2)
* through (5) are skipped or processed.
*
* (2) If string consists entirely of slash characters, string shall
* be set to a single slash character. In this case, skip steps
* (3) through (5).
*/
for (p = *argv;; ++p) {
if (!*p) {
if (p > *argv)
(void)printf("/\n");
else
(void)printf("\n");
exit(0);
}
if (*p != '/')
break;
}
/*
* (3) If there are any trailing slash characters in string, they
* shall be removed.
*/
for (; *p; ++p)
continue;
while (*--p == '/')
continue;
*++p = '\0';
/*
* (4) If there are any slash characters remaining in string, the
* prefix of string up to an including the last slash character
* in string shall be removed.
*/
while (--p >= *argv)
if (*p == '/')
break;
++p;
/*
* (5) If the suffix operand is present, is not identical to the
* characters remaining in string, and is identical to a suffix
* of the characters remaining in string, the suffix suffix
* shall be removed from string.
*/
if (*++argv) {
int suffixlen, stringlen, off;
suffixlen = strlen(*argv);
stringlen = strlen(p);
if (suffixlen < stringlen) {
off = stringlen - suffixlen;
if (!strcmp(p + off, *argv))
p[off] = '\0';
}
}
(void)printf("%s\n", p);
(void)printf("%s\n", basename(*argv));
exit(0);
}