pathexists.c revision 1
1N/A/*********************************************************************** 1N/A* This software is part of the ast package * 1N/A* Copyright (c) 1985-2011 AT&T Intellectual Property * 1N/A* and is licensed under the * 1N/A* Common Public License, Version 1.0 * 1N/A* by AT&T Intellectual Property * 1N/A* A copy of the License is available at * 1N/A* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 1N/A* Information and Software Systems Research * 1N/A* Glenn Fowler <gsf@research.att.com> * 1N/A* David Korn <dgk@research.att.com> * 1N/A* Phong Vo <kpv@research.att.com> * 1N/A***********************************************************************/ 1N/A * return 1 if path exisis 1N/A * maintains a cache to minimize stat(2) calls 1N/A * path is modified in-place but restored on return 1N/A * path components checked in pairs to cut stat()'s 1N/A * in half by checking ENOTDIR vs. ENOENT 1N/A * case ignorance infection unavoidable here 1N/A int (*
cmp)(
const char*,
const char*);
1N/A for (s = e; *e && *e !=
'/'; e++);