+
+int do_lstat(const char *fname, STRUCT_STAT *st)
+{
+#ifdef SUPPORT_LINKS
+# ifdef USE_STAT64_FUNCS
+ return lstat64(fname, st);
+# else
+ return lstat(fname, st);
+# endif
+#else
+ return do_stat(fname, st);
+#endif
+}
+
+int do_fstat(int fd, STRUCT_STAT *st)
+{
+#ifdef USE_STAT64_FUNCS
+ return fstat64(fd, st);
+#else
+ return fstat(fd, st);
+#endif
+}
+
+OFF_T do_lseek(int fd, OFF_T offset, int whence)
+{
+#ifdef HAVE_LSEEK64
+#if !SIZEOF_OFF64_T
+ OFF_T lseek64();
+#else
+ off64_t lseek64();
+#endif
+ return lseek64(fd, offset, whence);
+#else
+ return lseek(fd, offset, whence);
+#endif
+}
+
+#ifdef HAVE_UTIMENSAT
+int do_utimensat(const char *fname, time_t modtime, uint32 mod_nsec)
+{
+ struct timespec t[2];
+
+ if (dry_run) return 0;
+ RETURN_ERROR_IF_RO_OR_LO;
+
+ t[0].tv_sec = 0;
+ t[0].tv_nsec = UTIME_NOW;
+ t[1].tv_sec = modtime;
+ t[1].tv_nsec = mod_nsec;
+ return utimensat(AT_FDCWD, fname, t, AT_SYMLINK_NOFOLLOW);
+}
+#endif
+
+#ifdef HAVE_LUTIMES
+int do_lutimes(const char *fname, time_t modtime, uint32 mod_nsec)
+{
+ struct timeval t[2];
+
+ if (dry_run) return 0;
+ RETURN_ERROR_IF_RO_OR_LO;
+
+ t[0].tv_sec = time(NULL);
+ t[0].tv_usec = 0;
+ t[1].tv_sec = modtime;
+ t[1].tv_usec = mod_nsec / 1000;
+ return lutimes(fname, t);
+}
+#endif
+
+#ifdef HAVE_UTIMES
+int do_utimes(const char *fname, time_t modtime, uint32 mod_nsec)
+{
+ struct timeval t[2];
+
+ if (dry_run) return 0;
+ RETURN_ERROR_IF_RO_OR_LO;
+
+ t[0].tv_sec = time(NULL);
+ t[0].tv_usec = 0;
+ t[1].tv_sec = modtime;
+ t[1].tv_usec = mod_nsec / 1000;
+ return utimes(fname, t);
+}
+
+#elif defined HAVE_UTIME
+int do_utime(const char *fname, time_t modtime, UNUSED(uint32 mod_nsec))
+{
+#ifdef HAVE_STRUCT_UTIMBUF
+ struct utimbuf tbuf;
+#else
+ time_t t[2];
+#endif
+
+ if (dry_run) return 0;
+ RETURN_ERROR_IF_RO_OR_LO;
+
+# ifdef HAVE_STRUCT_UTIMBUF
+ tbuf.actime = time(NULL);
+ tbuf.modtime = modtime;
+ return utime(fname, &tbuf);
+# else
+ t[0] = time(NULL);
+ t[1] = modtime;
+ return utime(fname, t);
+# endif
+}
+
+#else
+#error Need utimes or utime function.
+#endif
+
+#ifdef SUPPORT_PREALLOCATION
+int do_fallocate(int fd, OFF_T offset, OFF_T length)
+{
+#ifdef FALLOC_FL_KEEP_SIZE
+#define DO_FALLOC_OPTIONS FALLOC_FL_KEEP_SIZE
+#else
+#define DO_FALLOC_OPTIONS 0
+#endif
+ RETURN_ERROR_IF(dry_run, 0);
+ RETURN_ERROR_IF_RO_OR_LO;
+#if defined HAVE_FALLOCATE
+ return fallocate(fd, DO_FALLOC_OPTIONS, offset, length);
+#elif defined HAVE_SYS_FALLOCATE
+ return syscall(SYS_fallocate, fd, DO_FALLOC_OPTIONS, (loff_t)offset, (loff_t)length);
+#elif defined HAVE_EFFICIENT_POSIX_FALLOCATE
+ return posix_fallocate(fd, offset, length);
+#else
+#error Coding error in SUPPORT_PREALLOCATION logic.
+#endif
+}
+#endif