1 /* Work around rmdir bugs. 2 3 Copyright (C) 1988, 1990, 1999, 2003-2006, 2009-2021 Free Software 4 Foundation, Inc. 5 6 This file is free software: you can redistribute it and/or modify 7 it under the terms of the GNU Lesser General Public License as 8 published by the Free Software Foundation; either version 2.1 of the 9 License, or (at your option) any later version. 10 11 This file is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public License 17 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 18 19 #include <config.h> 20 21 #include <unistd.h> 22 23 #include <errno.h> 24 #include <string.h> 25 26 #include "filename.h" 27 28 #undef rmdir 29 #if defined _WIN32 && !defined __CYGWIN__ 30 # define rmdir _rmdir 31 #endif 32 33 /* Remove directory DIR. 34 Return 0 if successful, -1 if not. */ 35 36 int 37 rpl_rmdir (char const *dir) /* */ 38 { 39 /* Work around cygwin 1.5.x bug where rmdir("dir/./") succeeds. */ 40 size_t len = strlen (dir); 41 int result; 42 while (len && ISSLASH (dir[len - 1])) 43 len--; 44 if (len && dir[len - 1] == '.' && (1 == len || ISSLASH (dir[len - 2]))) 45 { 46 errno = EINVAL; 47 return -1; 48 } 49 result = rmdir (dir); 50 /* Work around mingw bug, where rmdir("file/") fails with EINVAL 51 instead of ENOTDIR. We've already filtered out trailing ., the 52 only reason allowed by POSIX for EINVAL. */ 53 if (result == -1 && errno == EINVAL) 54 errno = ENOTDIR; 55 return result; 56 }