1*b30d1939SAndy Fiddaman /*********************************************************************** 2*b30d1939SAndy Fiddaman * * 3*b30d1939SAndy Fiddaman * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5*b30d1939SAndy Fiddaman * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property * 8*b30d1939SAndy Fiddaman * * 9*b30d1939SAndy Fiddaman * A copy of the License is available at * 10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html * 11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12*b30d1939SAndy Fiddaman * * 13*b30d1939SAndy Fiddaman * Information and Software Systems Research * 14*b30d1939SAndy Fiddaman * AT&T Research * 15*b30d1939SAndy Fiddaman * Florham Park NJ * 16*b30d1939SAndy Fiddaman * * 17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> * 18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> * 19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> * 20*b30d1939SAndy Fiddaman * * 21*b30d1939SAndy Fiddaman ***********************************************************************/ 22*b30d1939SAndy Fiddaman #pragma prototyped 23*b30d1939SAndy Fiddaman 24*b30d1939SAndy Fiddaman #include <ast.h> 25*b30d1939SAndy Fiddaman 26*b30d1939SAndy Fiddaman #if _lib_rename 27*b30d1939SAndy Fiddaman 28*b30d1939SAndy Fiddaman NoN(rename) 29*b30d1939SAndy Fiddaman 30*b30d1939SAndy Fiddaman #else 31*b30d1939SAndy Fiddaman 32*b30d1939SAndy Fiddaman #include <error.h> 33*b30d1939SAndy Fiddaman #include <proc.h> 34*b30d1939SAndy Fiddaman 35*b30d1939SAndy Fiddaman #ifdef EPERM 36*b30d1939SAndy Fiddaman 37*b30d1939SAndy Fiddaman static int 38*b30d1939SAndy Fiddaman mvdir(const char* from, const char* to) 39*b30d1939SAndy Fiddaman { 40*b30d1939SAndy Fiddaman char* argv[4]; 41*b30d1939SAndy Fiddaman int oerrno; 42*b30d1939SAndy Fiddaman 43*b30d1939SAndy Fiddaman static const char mvdir[] = "/usr/lib/mv_dir"; 44*b30d1939SAndy Fiddaman 45*b30d1939SAndy Fiddaman oerrno = errno; 46*b30d1939SAndy Fiddaman if (!eaccess(mvdir, X_OK)) 47*b30d1939SAndy Fiddaman { 48*b30d1939SAndy Fiddaman argv[0] = mvdir; 49*b30d1939SAndy Fiddaman argv[1] = from; 50*b30d1939SAndy Fiddaman argv[2] = to; 51*b30d1939SAndy Fiddaman argv[3] = 0; 52*b30d1939SAndy Fiddaman if (!procrun(argv[0], argv, 0)) 53*b30d1939SAndy Fiddaman { 54*b30d1939SAndy Fiddaman errno = oerrno; 55*b30d1939SAndy Fiddaman return 0; 56*b30d1939SAndy Fiddaman } 57*b30d1939SAndy Fiddaman } 58*b30d1939SAndy Fiddaman errno = EPERM; 59*b30d1939SAndy Fiddaman return -1; 60*b30d1939SAndy Fiddaman } 61*b30d1939SAndy Fiddaman 62*b30d1939SAndy Fiddaman #endif 63*b30d1939SAndy Fiddaman 64*b30d1939SAndy Fiddaman int 65*b30d1939SAndy Fiddaman rename(const char* from, const char* to) 66*b30d1939SAndy Fiddaman { 67*b30d1939SAndy Fiddaman int oerrno; 68*b30d1939SAndy Fiddaman int ooerrno; 69*b30d1939SAndy Fiddaman 70*b30d1939SAndy Fiddaman ooerrno = errno; 71*b30d1939SAndy Fiddaman while (link(from, to)) 72*b30d1939SAndy Fiddaman { 73*b30d1939SAndy Fiddaman #ifdef EPERM 74*b30d1939SAndy Fiddaman if (errno == EPERM) 75*b30d1939SAndy Fiddaman { 76*b30d1939SAndy Fiddaman errno = ooerrno; 77*b30d1939SAndy Fiddaman return mvdir(from, to); 78*b30d1939SAndy Fiddaman } 79*b30d1939SAndy Fiddaman #endif 80*b30d1939SAndy Fiddaman oerrno = errno; 81*b30d1939SAndy Fiddaman if (unlink(to)) 82*b30d1939SAndy Fiddaman { 83*b30d1939SAndy Fiddaman #ifdef EPERM 84*b30d1939SAndy Fiddaman if (errno == EPERM) 85*b30d1939SAndy Fiddaman { 86*b30d1939SAndy Fiddaman errno = ooerrno; 87*b30d1939SAndy Fiddaman return mvdir(from, to); 88*b30d1939SAndy Fiddaman } 89*b30d1939SAndy Fiddaman #endif 90*b30d1939SAndy Fiddaman errno = oerrno; 91*b30d1939SAndy Fiddaman return -1; 92*b30d1939SAndy Fiddaman } 93*b30d1939SAndy Fiddaman } 94*b30d1939SAndy Fiddaman errno = ooerrno; 95*b30d1939SAndy Fiddaman return unlink(from); 96*b30d1939SAndy Fiddaman } 97*b30d1939SAndy Fiddaman 98*b30d1939SAndy Fiddaman #endif 99