14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 78462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin /* 244887Schin * basename(3) implementation 254887Schin */ 264887Schin 274887Schin #include <ast_std.h> 284887Schin 294887Schin #if defined(__EXPORT__) 304887Schin #define extern __EXPORT__ 314887Schin #endif 324887Schin basename(register char * pathname)334887Schinextern char *basename(register char *pathname) 344887Schin { 354887Schin register char *first, *last; 364887Schin for(first=last=pathname; *last; last++); 374887Schin /* back over trailing '/' */ 384887Schin if(last>first) 394887Schin while(*--last=='/' && last > first); 404887Schin if(last==first && *last=='/') 414887Schin { 424887Schin /* all '/' or "" */ 434887Schin if(*first=='/') 444887Schin if(*++last=='/') /* keep leading // */ 454887Schin last++; 464887Schin } 474887Schin else 484887Schin { 494887Schin for(first=last++;first>pathname && *first!='/';first--); 504887Schin if(*first=='/') 514887Schin first++; 524887Schin } 534887Schin *last = 0; 544887Schin return(first); 554887Schin } 56