X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/bda41fa509dc5214c9d7e924f95866150efaeb81..1b2f167546709a64400fc51309e457468ace773a:/rsync.h

diff --git a/rsync.h b/rsync.h
index e1d2fb33..7324d6d9 100644
--- a/rsync.h
+++ b/rsync.h
@@ -57,13 +57,19 @@
  * people writing them to make sure that they don't send us anything
  * we won't understand.
  *
+ * Interoperation with old but supported protocol versions
+ * should cause a warning to be printed.  At a future date
+ * the old protocol will become the minimum and
+ * compatibility code removed.
+ *
  * There are two possible explanations for the limit at thirty: either
  * to allow new major-rev versions that do not interoperate with us,
  * and (more likely) so that we can detect an attempt to connect rsync
  * to a non-rsync server, which is unlikely to begin by sending a byte
  * between 15 and 30. */
 #define MIN_PROTOCOL_VERSION 15
-#define MAX_PROTOCOL_VERSION 30
+#define OLD_PROTOCOL_VERSION 20
+#define MAX_PROTOCOL_VERSION 40
 
 #define RSYNC_PORT 873
 
@@ -261,15 +267,20 @@ enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 };
 
 #if HAVE_OFF64_T
 #define int64 off64_t
+#define int64 unsigned off64_t
 #elif (SIZEOF_LONG == 8) 
 #define int64 long
+#define uint64 unsigned long
 #elif (SIZEOF_INT == 8) 
 #define int64 int
+#define uint64 unsigned int
 #elif HAVE_LONGLONG
 #define int64 long long
+#define uint64 unsigned long long
 #else
 /* As long as it gets... */
 #define int64 off_t
+#define uint64 unsigned off_t
 #define NO_INT64
 #endif
 
@@ -304,8 +315,8 @@ enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 };
  * cope with platforms on which this is an unsigned int or even a
  * struct.  Later.
  */ 
-#define INO64_T int64
-#define DEV64_T int64
+#define INO64_T uint64
+#define DEV64_T uint64
 
 #ifndef MIN
 #define MIN(a,b) ((a)<(b)?(a):(b))
@@ -497,6 +508,16 @@ extern int errno;
 #define S_IWUSR 0200
 #endif
 
+#ifndef ACCESSPERMS
+#define ACCESSPERMS 0777
+#endif
+
+#ifndef S_ISVTX
+#define S_ISVTX 0
+#endif
+
+#define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
+
 #ifndef _S_IFMT
 #define _S_IFMT        0170000
 #endif
@@ -560,9 +581,6 @@ extern int errno;
 
 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
 
-#ifndef ACCESSPERMS
-#define ACCESSPERMS 0777
-#endif
 /* Initial mask on permissions given to temporary files.  Mask off setuid
      bits and group access because of potential race-condition security
      holes, and mask other access because mode 707 is bizarre */
@@ -628,4 +646,4 @@ const char *get_panic_action(void);
 
 #define UNUSED(x) x __attribute__((__unused__))
 
-const char *io_write_phase, *io_read_phase;
+extern const char *io_write_phase, *io_read_phase;