finished 64 bit file offset support. Hopefully rsync can now transfer

[rsync.git] / rsync.h

diff --git a/rsync.h b/rsync.h
index fd24df5e38ca1e15d1c7057439bb2e26a50e0edc..9c0e24c7d98b1e9895e1521406ecc33845ee750a 100644 (file)
--- a/rsync.h
+++ b/rsync.h
@@ -19,18 +19,48 @@
 
 #define BLOCK_SIZE 700
 #define RSYNC_RSH_ENV "RSYNC_RSH"
-#define RSYNC_RSH "rsh"
+
 #define RSYNC_NAME "rsync"
 #define BACKUP_SUFFIX "~"
 
+/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
+   imcompatible with older versions :-( */
+#define CHAR_OFFSET 0
+
+
+#define FILE_VALID 1
+#define SAME_MODE (1<<1)
+#define SAME_RDEV (1<<2)
+#define SAME_UID (1<<3)
+#define SAME_GID (1<<4)
+#define SAME_DIR (1<<5)
+#define SAME_NAME SAME_DIR
+#define LONG_NAME (1<<6)
+#define SAME_TIME (1<<7)
+
 /* update this if you make incompatible changes */
-#define PROTOCOL_VERSION 9
+#define PROTOCOL_VERSION 16
+#define MIN_PROTOCOL_VERSION 11
+#define MAX_PROTOCOL_VERSION 20
+
+#define SPARSE_WRITE_SIZE (4*1024)
+#define WRITE_SIZE (32*1024)
+#define CHUNK_SIZE (32*1024)
+#define MAX_MAP_SIZE (4*1024*1024)
 
-/* block size to write files in */
-#define WRITE_BLOCK_SIZE (32*1024)
+#define BLOCKING_TIMEOUT 10
+
+#define FERROR stderr
+#define FINFO (am_server?stderr:stdout)
 
 #include "config.h"
 
+#if HAVE_REMSH
+#define RSYNC_RSH "remsh"
+#else
+#define RSYNC_RSH "rsh"
+#endif
+
 #include <sys/types.h>
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
@@ -41,9 +71,16 @@
 #include <sys/param.h>
 #endif
 
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
 #endif
 
 #ifdef HAVE_COMPAT_H
@@ -95,11 +132,25 @@
 #endif
 #include <errno.h>
 
+#ifdef HAVE_MMAP
 #include <sys/mman.h>
+#endif
+
 #ifdef HAVE_UTIME_H
 #include <utime.h>
 #endif
 
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#ifdef HAVE_SYS_MODE_H
+/* apparently AIX needs this for S_ISLNK */
+#ifndef S_ISLNK
+#include <sys/mode.h>
+#endif
+#endif
+
 #ifdef HAVE_FNMATCH
 #include <fnmatch.h>
 #else
@@ -112,6 +163,13 @@
 #include "lib/getopt.h"
 #endif
 
+/* these are needed for the uid/gid mapping code */
+#include <pwd.h>
+#include <grp.h>
+
+#ifndef S_IFLNK
+#define S_IFLNK  0120000
+#endif
 
 #ifndef S_ISLNK
 #define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK)
@@ -145,6 +203,7 @@
 #endif
 
 /* the length of the md4 checksum */
+#define MD4_SUM_LENGTH 16
 #define SUM_LENGTH 16
 
 #ifndef MAXPATHLEN
@@ -152,22 +211,25 @@
 #endif
 
 struct file_struct {
-  time_t modtime;
-  off_t length;
-  mode_t mode;
-  dev_t dev;
-  uid_t uid;
-  gid_t gid;
-  char *name;
-  char *dir;
-  char *link;
-  char sum[SUM_LENGTH];
+       time_t modtime;
+       off_t length;
+       mode_t mode;
+       ino_t inode;
+       dev_t dev;
+       dev_t rdev;
+       uid_t uid;
+       gid_t gid;
+       char *basename;
+       char *dirname;
+       char *basedir;
+       char *link;
+       char *sum;
 };
 
 struct file_list {
   int count;
   int malloced;
-  struct file_struct *files;
+  struct file_struct **files;
 };
 
 struct sum_buf {
@@ -175,7 +237,7 @@ struct sum_buf {
   int len;                     /* length of chunk of file */
   int i;                       /* index of this chunk */
   uint32 sum1;                 /* simple checksum */
-  char sum2[SUM_LENGTH];       /* md4 checksum  */
+  char sum2[SUM_LENGTH];       /* checksum  */
 };
 
 struct sum_struct {
@@ -186,6 +248,21 @@ struct sum_struct {
   struct sum_buf *sums;                /* points to info for each chunk */
 };
 
+struct map_struct {
+       char *map,*p;
+       int fd,p_size,p_len;
+       off_t size, p_offset;
+};
+
+/* we need this function because of the silly way in which duplicate
+   entries are handled in the file lists - we can't change this
+   without breaking existing versions */
+static int flist_up(struct file_list *flist, int i)
+{
+       while (!flist->files[i]->basename) i++;
+       return i;
+}
+
 
 #include "byteorder.h"
 #include "version.h"
@@ -229,10 +306,11 @@ extern int errno;
 #define bzero(buf,n) memset(buf,0,n)
 #endif
 
-#define SUPPORT_LINKS (HAVE_READLINK && defined(S_ISLNK))
+#define SUPPORT_LINKS HAVE_READLINK
+#define SUPPORT_HARD_LINKS HAVE_LINK
 
-#if !SUPPORT_LINKS
-#define lstat stat
+#ifndef HAVE_LCHOWN
+#define lchown chown
 #endif
 
 #define SIGNAL_CAST (RETSIGTYPE (*)())
@@ -240,3 +318,38 @@ extern int errno;
 #ifndef EWOULDBLOCK
 #define EWOULDBLOCK EAGAIN
 #endif
+
+#ifndef STDIN_FILENO
+#define STDIN_FILENO 0
+#endif
+
+#ifndef STDOUT_FILENO
+#define STDOUT_FILENO 1
+#endif
+
+#ifndef STDERR_FILENO
+#define STDERR_FILENO 2
+#endif
+
+#ifndef S_IWUSR
+#define S_IWUSR 0200
+#endif
+
+#ifndef S_ISBLK
+#define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
+#endif
+
+#ifndef S_ISCHR
+#define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
+#endif
+
+#ifndef S_ISDIR
+#define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
+#endif
+
+#ifndef S_ISREG
+#define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
+#endif
+
+#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
+