#include <sys/attr.h>
#endif
+#if defined HAVE_SYS_FALLOCATE && !defined HAVE_FALLOCATE
+#include <sys/syscall.h>
+#endif
+
extern int dry_run;
extern int am_root;
extern int am_sender;
if (dry_run) return 0;
RETURN_ERROR_IF_RO_OR_LO;
-#ifdef NO_SYMLINK_XATTRS
+#if defined NO_SYMLINK_XATTRS || defined NO_SYMLINK_USER_XATTRS
/* For --fake-super, we create a normal file with mode 0600
* and write the lnk into it. */
if (am_root < 0) {
return symlink(lnk, fname);
}
-#ifdef NO_SYMLINK_XATTRS
+#if defined NO_SYMLINK_XATTRS || defined NO_SYMLINK_USER_XATTRS
ssize_t do_readlink(const char *path, char *buf, size_t bufsiz)
{
/* For --fake-super, we read the link from the file. */
return rename(fname1, fname2);
}
+#ifdef HAVE_FTRUNCATE
+int do_ftruncate(int fd, OFF_T size)
+{
+ int ret;
+
+ if (dry_run) return 0;
+ RETURN_ERROR_IF_RO_OR_LO;
+
+ do {
+ ret = ftruncate(fd, size);
+ } while (ret < 0 && errno == EINTR);
+
+ return ret;
+}
+#endif
+
void trim_trailing_slashes(char *name)
{
int l;
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