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 * resolvepath implementation 254887Schin */ 264887Schin 274887Schin #define resolvepath ______resolvepath 284887Schin 294887Schin #include <ast.h> 304887Schin #include <error.h> 314887Schin 324887Schin #undef resolvepath 334887Schin 344887Schin #undef _def_map_ast 354887Schin #include <ast_map.h> 364887Schin 374887Schin #if defined(__EXPORT__) 384887Schin #define extern __EXPORT__ 394887Schin #endif 404887Schin 418462SApril.Chin@Sun.COM extern int resolvepath(const char * file,char * path,size_t size)424887Schinresolvepath(const char* file, char* path, size_t size) 434887Schin { 444887Schin register char* s; 454887Schin register int n; 464887Schin register int r; 474887Schin 484887Schin r = *file != '/'; 494887Schin n = strlen(file) + r + 1; 504887Schin if (n >= size) 514887Schin { 524887Schin #ifdef ENAMETOOLONG 534887Schin errno = ENAMETOOLONG; 544887Schin #else 554887Schin errno = ENOMEM; 564887Schin #endif 574887Schin return 0; 584887Schin } 594887Schin if (!r) 604887Schin s = path; 614887Schin else if (!getcwd(path, size - n)) 624887Schin return 0; 634887Schin else 644887Schin { 654887Schin s = path + strlen(path); 664887Schin *s++ = '/'; 674887Schin } 684887Schin strcpy(s, file); 698462SApril.Chin@Sun.COM return pathcanon(path, PATH_PHYSICAL|PATH_DOTDOT|PATH_EXISTS) ? strlen(path) : -1; 704887Schin } 71