1*34168b28SEd Schouten /*- 2*34168b28SEd Schouten * Copyright (c) 2015-2016 Nuxi, https://nuxi.nl/ 31250db81SDag-Erling Smørgrav * 4*34168b28SEd Schouten * Redistribution and use in source and binary forms, with or without 5*34168b28SEd Schouten * modification, are permitted provided that the following conditions 6*34168b28SEd Schouten * are met: 7*34168b28SEd Schouten * 1. Redistributions of source code must retain the above copyright 8*34168b28SEd Schouten * notice, this list of conditions and the following disclaimer. 9*34168b28SEd Schouten * 2. Redistributions in binary form must reproduce the above copyright 10*34168b28SEd Schouten * notice, this list of conditions and the following disclaimer in the 11*34168b28SEd Schouten * documentation and/or other materials provided with the distribution. 121250db81SDag-Erling Smørgrav * 13*34168b28SEd Schouten * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14*34168b28SEd Schouten * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15*34168b28SEd Schouten * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16*34168b28SEd Schouten * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17*34168b28SEd Schouten * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18*34168b28SEd Schouten * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19*34168b28SEd Schouten * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20*34168b28SEd Schouten * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21*34168b28SEd Schouten * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22*34168b28SEd Schouten * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23*34168b28SEd Schouten * SUCH DAMAGE. 241250db81SDag-Erling Smørgrav */ 251250db81SDag-Erling Smørgrav 2656bcbf00SBruce Evans #include <sys/cdefs.h> 27135b57f9SDavid E. O'Brien __FBSDID("$FreeBSD$"); 281250db81SDag-Erling Smørgrav 291250db81SDag-Erling Smørgrav #include <libgen.h> 301250db81SDag-Erling Smørgrav #include <string.h> 311250db81SDag-Erling Smørgrav 321250db81SDag-Erling Smørgrav char * 33*34168b28SEd Schouten (basename)(char *path) 341250db81SDag-Erling Smørgrav { 35*34168b28SEd Schouten char *ptr; 361250db81SDag-Erling Smørgrav 37*34168b28SEd Schouten /* 38*34168b28SEd Schouten * If path is a null pointer or points to an empty string, 39*34168b28SEd Schouten * basename() shall return a pointer to the string ".". 40*34168b28SEd Schouten */ 41*34168b28SEd Schouten if (path == NULL || *path == '\0') 42*34168b28SEd Schouten return (__DECONST(char *, ".")); 431250db81SDag-Erling Smørgrav 44*34168b28SEd Schouten /* Find end of last pathname component and null terminate it. */ 45*34168b28SEd Schouten ptr = path + strlen(path); 46*34168b28SEd Schouten while (ptr > path + 1 && *(ptr - 1) == '/') 47*34168b28SEd Schouten --ptr; 48*34168b28SEd Schouten *ptr-- = '\0'; 491250db81SDag-Erling Smørgrav 50*34168b28SEd Schouten /* Find beginning of last pathname component. */ 51*34168b28SEd Schouten while (ptr > path && *(ptr - 1) != '/') 52*34168b28SEd Schouten --ptr; 53*34168b28SEd Schouten return (ptr); 54a502a84dSRobert Watson } 55