11.16Smrg/* $NetBSD: basename.c,v 1.16 2019/02/01 08:29:04 mrg Exp $ */ 21.8Sglass 31.1Scgd/*- 41.6Sglass * Copyright (c) 1991, 1993, 1994 51.6Sglass * The Regents of the University of California. All rights reserved. 61.1Scgd * 71.1Scgd * Redistribution and use in source and binary forms, with or without 81.1Scgd * modification, are permitted provided that the following conditions 91.1Scgd * are met: 101.1Scgd * 1. Redistributions of source code must retain the above copyright 111.1Scgd * notice, this list of conditions and the following disclaimer. 121.1Scgd * 2. Redistributions in binary form must reproduce the above copyright 131.1Scgd * notice, this list of conditions and the following disclaimer in the 141.1Scgd * documentation and/or other materials provided with the distribution. 151.11Sagc * 3. Neither the name of the University nor the names of its contributors 161.1Scgd * may be used to endorse or promote products derived from this software 171.1Scgd * without specific prior written permission. 181.1Scgd * 191.1Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 201.1Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 211.1Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 221.1Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 231.1Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 241.1Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 251.1Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 261.1Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 271.1Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 281.1Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 291.1Scgd * SUCH DAMAGE. 301.1Scgd */ 311.1Scgd 321.10Slukem#include <sys/cdefs.h> 331.1Scgd#ifndef lint 341.14Slukem__COPYRIGHT("@(#) Copyright (c) 1991, 1993, 1994\ 351.14Slukem The Regents of the University of California. All rights reserved."); 361.1Scgd#endif /* not lint */ 371.1Scgd 381.1Scgd#ifndef lint 391.8Sglass#if 0 401.9Sjtcstatic char sccsid[] = "@(#)basename.c 8.4 (Berkeley) 5/4/95"; 411.8Sglass#endif 421.16Smrg__RCSID("$NetBSD: basename.c,v 1.16 2019/02/01 08:29:04 mrg Exp $"); 431.1Scgd#endif /* not lint */ 441.1Scgd 451.13Speter#include <err.h> 461.13Speter#include <libgen.h> 471.13Speter#include <locale.h> 481.1Scgd#include <stdio.h> 491.1Scgd#include <stdlib.h> 501.1Scgd#include <string.h> 511.9Sjtc#include <unistd.h> 521.1Scgd 531.15Sjoerg__dead static void usage(void); 541.3Sjtc 551.3Sjtcint 561.12Sxtraememain(int argc, char **argv) 571.1Scgd{ 581.6Sglass char *p; 591.1Scgd int ch; 601.1Scgd 611.4Sjtc setlocale(LC_ALL, ""); 621.4Sjtc 631.5Sjtc while ((ch = getopt(argc, argv, "")) != -1) 641.13Speter switch (ch) { 651.1Scgd case '?': 661.1Scgd default: 671.1Scgd usage(); 681.1Scgd } 691.1Scgd argc -= optind; 701.1Scgd argv += optind; 711.1Scgd 721.1Scgd if (argc != 1 && argc != 2) 731.1Scgd usage(); 741.1Scgd 751.13Speter if (**argv == '\0') { 761.13Speter (void)printf("\n"); 771.13Speter exit(0); 781.1Scgd } 791.13Speter if ((p = basename(*argv)) == NULL) 801.13Speter err(1, "%s", *argv); 811.16Smrg if (*++argv != NULL) { 821.1Scgd int suffixlen, stringlen, off; 831.1Scgd 841.1Scgd suffixlen = strlen(*argv); 851.1Scgd stringlen = strlen(p); 861.1Scgd 871.1Scgd if (suffixlen < stringlen) { 881.1Scgd off = stringlen - suffixlen; 891.13Speter if (strcmp(p + off, *argv) == 0) 901.1Scgd p[off] = '\0'; 911.1Scgd } 921.1Scgd } 931.1Scgd (void)printf("%s\n", p); 941.1Scgd exit(0); 951.1Scgd} 961.1Scgd 971.13Speterstatic void 981.12Sxtraemeusage(void) 991.1Scgd{ 1001.6Sglass 1011.1Scgd (void)fprintf(stderr, "usage: basename string [suffix]\n"); 1021.1Scgd exit(1); 1031.1Scgd} 104