2 Copyright (C) Andrew Tridgell 1998
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 syscall wrappers to ensure that nothing gets done in dry_run mode
29 #define CHECK_RO if (read_only || list_only) {errno = EROFS; return -1;}
31 int do_unlink(char *fname)
33 if (dry_run) return 0;
38 int do_symlink(char *fname1, char *fname2)
40 if (dry_run) return 0;
42 return symlink(fname1, fname2);
46 int do_link(char *fname1, char *fname2)
48 if (dry_run) return 0;
50 return link(fname1, fname2);
54 int do_lchown(const char *path, uid_t owner, gid_t group)
56 if (dry_run) return 0;
58 return lchown(path, owner, group);
62 int do_mknod(char *pathname, mode_t mode, dev_t dev)
64 if (dry_run) return 0;
66 return mknod(pathname, mode, dev);
70 int do_rmdir(char *pathname)
72 if (dry_run) return 0;
74 return rmdir(pathname);
77 int do_open(char *pathname, int flags, mode_t mode)
79 if (flags != O_RDONLY) {
80 if (dry_run) return -1;
87 /* some systems can't handle a double / */
88 if (pathname[0] == '/' && pathname[1] == '/') pathname++;
90 return open(pathname, flags, mode);
94 int do_chmod(const char *path, mode_t mode)
96 if (dry_run) return 0;
98 return chmod(path, mode);
102 int do_rename(char *fname1, char *fname2)
104 if (dry_run) return 0;
106 return rename(fname1, fname2);
109 int do_mkdir(char *fname, mode_t mode)
111 if (dry_run) return 0;
113 return mkdir(fname, mode);
116 /* like mkstemp but forces permissions */
117 int do_mkstemp(char *template, mode_t perms)
119 if (dry_run) return -1;
120 if (read_only) {errno = EROFS; return -1;}
122 #if defined(HAVE_SECURE_MKSTEMP) && defined(HAVE_FCHMOD)
124 int fd = mkstemp(template);
125 if (fd == -1) return -1;
126 if (fchmod(fd, perms) != 0) {
134 if (!mktemp(template)) return -1;
135 return do_open(template, O_RDWR|O_EXCL|O_CREAT, perms);
139 int do_stat(const char *fname, STRUCT_STAT *st)
142 return stat64(fname, st);
144 return stat(fname, st);
149 int do_lstat(const char *fname, STRUCT_STAT *st)
152 return lstat64(fname, st);
154 return lstat(fname, st);
159 int do_fstat(int fd, STRUCT_STAT *st)
162 return fstat64(fd, st);
164 return fstat(fd, st);
168 OFF_T do_lseek(int fd, OFF_T offset, int whence)
172 return lseek64(fd, offset, whence);
174 return lseek(fd, offset, whence);
179 void *do_mmap(void *start, int len, int prot, int flags, int fd, OFF_T offset)
182 return mmap64(start, len, prot, flags, fd, offset);
184 return mmap(start, len, prot, flags, fd, offset);
189 char *d_name(struct dirent *di)
191 #if HAVE_BROKEN_READDIR
192 return (di->d_name - 2);