1N/A/***********************************************************************
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* *
1N/A* A copy of the License is available at *
1N/A* http://www.opensource.org/licenses/cpl1.0.txt *
1N/A* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
1N/A* *
1N/A* Information and Software Systems Research *
1N/A* AT&T Research *
1N/A* Florham Park NJ *
1N/A* *
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***********************************************************************/
1N/A#pragma prototyped
1N/A/*
1N/A * resolvepath implementation
1N/A */
1N/A
1N/A#define resolvepath ______resolvepath
1N/A
1N/A#include <ast.h>
1N/A#include <error.h>
1N/A
1N/A#undef resolvepath
1N/A
1N/A#undef _def_map_ast
1N/A#include <ast_map.h>
1N/A#undef _AST_API_H
1N/A#include <ast_api.h>
1N/A
1N/A#if defined(__EXPORT__)
1N/A#define extern __EXPORT__
1N/A#endif
1N/A
1N/Aextern int
1N/Aresolvepath(const char* file, char* path, size_t size)
1N/A{
1N/A register char* s;
1N/A register int n;
1N/A register int r;
1N/A
1N/A r = *file != '/';
1N/A n = strlen(file) + r + 1;
1N/A if (n >= size)
1N/A {
1N/A#ifdef ENAMETOOLONG
1N/A errno = ENAMETOOLONG;
1N/A#else
1N/A errno = ENOMEM;
1N/A#endif
1N/A return 0;
1N/A }
1N/A if (!r)
1N/A s = path;
1N/A else if (!getcwd(path, size - n))
1N/A return 0;
1N/A else
1N/A {
1N/A s = path + strlen(path);
1N/A *s++ = '/';
1N/A }
1N/A strlcpy(s, file, size - (s - path));
1N/A return (s = pathcanon(path, size, PATH_PHYSICAL|PATH_DOTDOT|PATH_EXISTS)) ? (s - path) : -1;
1N/A}