X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/3591c0660c52cec9fa06e7539b56604a7499fa10..654175798bdbdd6403e10c8fa74e8586b3612ea1:/main.c

diff --git a/main.c b/main.c
index fc4dc60d..bc587ccc 100644
--- a/main.c
+++ b/main.c
@@ -19,185 +19,76 @@
 
 #include "rsync.h"
 
-int verbose = 0;
-int always_checksum = 0;
 time_t starttime = 0;
-int64 total_size = 0;
-int block_size=BLOCK_SIZE;
-
-char *backup_suffix = BACKUP_SUFFIX;
-char *tmpdir = NULL;
-
-static char *rsync_path = RSYNC_NAME;
-
-int make_backups = 0;
-int whole_file = 0;
-int copy_links = 0;
-int preserve_links = 0;
-int preserve_hard_links = 0;
-int preserve_perms = 0;
-int preserve_devices = 0;
-int preserve_uid = 0;
-int preserve_gid = 0;
-int preserve_times = 0;
-int update_only = 0;
-int cvs_exclude = 0;
-int dry_run=0;
-int local_server=0;
-int ignore_times=0;
-int delete_mode=0;
-int one_file_system=0;
-int remote_version=0;
-int sparse_files=0;
-int do_compression=0;
-int am_root=0;
-int orig_umask=0;
-int relative_paths=0;
-int numeric_ids = 0;
-int force_delete = 0;
-int io_timeout = 0;
-int io_error = 0;
-int read_only = 0;
-int module_id = -1;
-
-int rsync_port = RSYNC_PORT;
-
-static char *shell_cmd;
 
-extern int csum_length;
+struct stats stats;
 
-int am_server = 0;
-int am_sender=0;
-int recurse = 0;
-int am_daemon=0;
+extern int csum_length;
 
-static void usage(int fd);
+extern int verbose;
 
 static void report(int f)
 {
-  int64 in,out,tsize;
-  time_t t = time(NULL);
-  
-  if (!verbose) return;
-
-  if (am_server && am_sender) {
-    write_longint(f,read_total());
-    write_longint(f,write_total());
-    write_longint(f,total_size);
-    write_flush(f);
-    return;
-  }
-    
-  if (am_sender) {
-    in = read_total();
-    out = write_total();
-    tsize = total_size;
-  } else {
-    in = read_longint(f);
-    out = read_longint(f);
-    tsize = read_longint(f);
-  }
-
-  printf("wrote %.0f bytes  read %.0f bytes  %.2f bytes/sec\n",
-	 (double)out,(double)in,(in+out)/(0.5 + (t-starttime)));
-  printf("total size is %.0f  speedup is %.2f\n",
-	 (double)tsize,(1.0*tsize)/(in+out));
-}
+	time_t t = time(NULL);
+	extern int am_server;
+	extern int am_sender;
+	extern int am_daemon;
+	extern int do_stats;
+
+	if (am_daemon) {
+		log_exit(0);
+		if (f == -1 || !am_sender) return;
+	}
 
+	if (!verbose) return;
 
-void server_options(char **args,int *argc)
-{
-  int ac = *argc;
-  static char argstr[50];
-  static char bsize[30];
-  static char iotime[30];
-  int i, x;
-
-  args[ac++] = "--server";
-
-  if (!am_sender)
-    args[ac++] = "--sender";
-
-  x = 1;
-  argstr[0] = '-';
-  for (i=0;i<verbose;i++)
-    argstr[x++] = 'v';
-  if (make_backups)
-    argstr[x++] = 'b';
-  if (update_only)
-    argstr[x++] = 'u';
-  if (dry_run)
-    argstr[x++] = 'n';
-  if (preserve_links)
-    argstr[x++] = 'l';
-  if (copy_links)
-    argstr[x++] = 'L';
-  if (whole_file)
-    argstr[x++] = 'W';
-  if (preserve_hard_links)
-    argstr[x++] = 'H';
-  if (preserve_uid)
-    argstr[x++] = 'o';
-  if (preserve_gid)
-    argstr[x++] = 'g';
-  if (preserve_devices)
-    argstr[x++] = 'D';
-  if (preserve_times)
-    argstr[x++] = 't';
-  if (preserve_perms)
-    argstr[x++] = 'p';
-  if (recurse)
-    argstr[x++] = 'r';
-  if (always_checksum)
-    argstr[x++] = 'c';
-  if (cvs_exclude)
-    argstr[x++] = 'C';
-  if (ignore_times)
-    argstr[x++] = 'I';
-  if (relative_paths)
-    argstr[x++] = 'R';
-  if (one_file_system)
-    argstr[x++] = 'x';
-  if (sparse_files)
-    argstr[x++] = 'S';
-  if (do_compression)
-    argstr[x++] = 'z';
-  argstr[x] = 0;
-
-  if (x != 1) args[ac++] = argstr;
-
-  if (block_size != BLOCK_SIZE) {
-    sprintf(bsize,"-B%d",block_size);
-    args[ac++] = bsize;
-  }    
-
-  if (io_timeout) {
-    sprintf(iotime,"--timeout=%d",io_timeout);
-    args[ac++] = iotime;
-  }    
-
-  if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
-	  args[ac++] = "--suffix";
-	  args[ac++] = backup_suffix;
-  }
-
-  if (delete_mode)
-    args[ac++] = "--delete";
-
-  if (force_delete)
-    args[ac++] = "--force";
-
-  if (numeric_ids)
-    args[ac++] = "--numeric-ids";
-
-  if (tmpdir) {
-	  args[ac++] = "--temp-dir";
-	  args[ac++] = tmpdir;
-  }
-
-  *argc = ac;
-}
+	if (am_server && !am_sender) return;
 
+	if (am_server && am_sender) {
+		write_longint(f,stats.total_read);
+		write_longint(f,stats.total_written);
+		write_longint(f,stats.total_size);
+		return;
+	}
+    
+	if (!am_sender) {
+		int64 r;
+		stats.total_written = read_longint(f);
+		r = read_longint(f);
+		stats.total_size = read_longint(f);
+		stats.total_read = r;
+	}
+
+	if (do_stats) {
+		rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files);
+		rprintf(FINFO,"Number of files transferred: %d\n", 
+		       stats.num_transferred_files);
+		rprintf(FINFO,"Total file size: %.0f bytes\n", 
+		       (double)stats.total_size);
+		rprintf(FINFO,"Total transferred file size: %.0f bytes\n", 
+		       (double)stats.total_transferred_size);
+		rprintf(FINFO,"Literal data: %.0f bytes\n", 
+		       (double)stats.literal_data);
+		rprintf(FINFO,"Matched data: %.0f bytes\n", 
+		       (double)stats.matched_data);
+		rprintf(FINFO,"File list size: %d\n", stats.flist_size);
+		rprintf(FINFO,"Total bytes written: %.0f\n", 
+		       (double)stats.total_written);
+		rprintf(FINFO,"Total bytes read: %.0f\n\n", 
+		       (double)stats.total_read);
+	}
+	
+	rprintf(FINFO,"wrote %.0f bytes  read %.0f bytes  %.2f bytes/sec\n",
+	       (double)stats.total_written,
+	       (double)stats.total_read,
+	       (stats.total_written+stats.total_read)/(0.5 + (t-starttime)));
+	rprintf(FINFO,"total size is %.0f  speedup is %.2f\n",
+	       (double)stats.total_size,
+	       (1.0*stats.total_size)/(stats.total_written+stats.total_read));
+
+	fflush(stdout);
+	fflush(stderr);
+}
 
 
 static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
@@ -205,6 +96,8 @@ static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f
 	char *args[100];
 	int i,argc=0, ret;
 	char *tok,*dir=NULL;
+	extern int local_server;
+	extern char *rsync_path;
 
 	if (!local_server) {
 		if (!cmd)
@@ -273,42 +166,50 @@ oom:
 
 static char *get_local_name(struct file_list *flist,char *name)
 {
-  STRUCT_STAT st;
-
-  if (do_stat(name,&st) == 0) {
-    if (S_ISDIR(st.st_mode)) {
-      if (chdir(name) != 0) {
-	rprintf(FERROR,"chdir %s : %s (1)\n",name,strerror(errno));
-	exit_cleanup(1);
-      }
-      return NULL;
-    }
-    if (flist->count > 1) {
-      rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
-      exit_cleanup(1);
-    }
-    return name;
-  }
-
-  if (flist->count == 1)
-    return name;
-
-  if (!name) 
-    return NULL;
-
-  if (do_mkdir(name,0777 & ~orig_umask) != 0) {
-    rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
-    exit_cleanup(1);
-  } else {
-    rprintf(FINFO,"created directory %s\n",name);
-  }
-
-  if (chdir(name) != 0) {
-    rprintf(FERROR,"chdir %s : %s (2)\n",name,strerror(errno));
-    exit_cleanup(1);
-  }
-
-  return NULL;
+	STRUCT_STAT st;
+	extern int orig_umask;
+
+	if (verbose > 2)
+		rprintf(FINFO,"get_local_name count=%d %s\n", 
+			flist->count, name);
+
+	if (do_stat(name,&st) == 0) {
+		if (S_ISDIR(st.st_mode)) {
+			if (!push_dir(name, 0)) {
+				rprintf(FERROR,"push_dir %s : %s (1)\n",
+					name,strerror(errno));
+				exit_cleanup(RERR_FILESELECT);
+			}
+			return NULL;
+		}
+		if (flist->count > 1) {
+			rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
+			exit_cleanup(RERR_FILESELECT);
+		}
+		return name;
+	}
+
+	if (flist->count == 1)
+		return name;
+
+	if (!name) 
+		return NULL;
+
+	if (do_mkdir(name,0777 & ~orig_umask) != 0) {
+		rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
+		exit_cleanup(RERR_FILEIO);
+	} else {
+		if (verbose > 0)
+			rprintf(FINFO,"created directory %s\n",name);
+	}
+
+	if (!push_dir(name, 0)) {
+		rprintf(FERROR,"push_dir %s : %s (2)\n",
+			name,strerror(errno));
+		exit_cleanup(RERR_FILESELECT);
+	}
+
+	return NULL;
 }
 
 
@@ -316,152 +217,165 @@ static char *get_local_name(struct file_list *flist,char *name)
 
 static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
 {
-  int i;
-  struct file_list *flist;
-  char *dir = argv[0];
+	int i;
+	struct file_list *flist;
+	char *dir = argv[0];
+	extern int relative_paths;
+	extern int recurse;
 
-  if (verbose > 2)
-    rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid());
+	if (verbose > 2)
+		rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid());
   
-  if (!relative_paths && chdir(dir) != 0) {
-	  rprintf(FERROR,"chdir %s: %s (3)\n",dir,strerror(errno));
-	  exit_cleanup(1);
-  }
-  argc--;
-  argv++;
+	if (!relative_paths && !push_dir(dir, 0)) {
+		rprintf(FERROR,"push_dir %s: %s (3)\n",dir,strerror(errno));
+		exit_cleanup(RERR_FILESELECT);
+	}
+	argc--;
+	argv++;
   
-  if (strcmp(dir,".")) {
-	  int l = strlen(dir);
-	  if (strcmp(dir,"/") == 0) 
-		  l = 0;
-	  for (i=0;i<argc;i++)
-		  argv[i] += l+1;
-  }
-
-  if (am_daemon) {
-	  char *name = lp_name(module_id);
-	  int l = strlen(name);
-	  for (i=0;i<argc;i++) {
-		  if (strncmp(argv[i], name, l) == 0) {
-			  argv[i] += l;
-			  if (!*argv[i]) argv[i] = ".";
-		  }
-	  }
-  }
-
-  if (argc == 0 && recurse) {
-	  argc=1;
-	  argv--;
-	  argv[0] = ".";
-  }
-
-  rprintf(FINFO,"sending file list\n");
-
-  flist = send_file_list(f_out,argc,argv);
-  send_files(flist,f_out,f_in);
-  report(f_out);
-  exit_cleanup(0);
+	if (strcmp(dir,".")) {
+		int l = strlen(dir);
+		if (strcmp(dir,"/") == 0) 
+			l = 0;
+		for (i=0;i<argc;i++)
+			argv[i] += l+1;
+	}
+
+	if (argc == 0 && recurse) {
+		argc=1;
+		argv--;
+		argv[0] = ".";
+	}
+	
+	set_nonblocking(f_out);
+	if (f_in != f_out)
+		set_nonblocking(f_in);
+		
+	flist = send_file_list(f_out,argc,argv);
+	if (!flist || flist->count == 0) {
+		exit_cleanup(0);
+	}
+
+	send_files(flist,f_out,f_in);
+	report(f_out);
+	io_flush();
+	exit_cleanup(0);
 }
 
 
 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 {
-  int pid;
-  int status=0;
-  int recv_pipe[2];
+	int pid;
+	int status=0;
+	int recv_pipe[2];
+	extern int preserve_hard_links;
 
-  if (preserve_hard_links)
-    init_hard_links(flist);
+	if (preserve_hard_links)
+		init_hard_links(flist);
 
-  if (pipe(recv_pipe) < 0) {
-    rprintf(FERROR,"pipe failed in do_recv\n");
-    exit(1);
-  }
+	if (pipe(recv_pipe) < 0) {
+		rprintf(FERROR,"pipe failed in do_recv\n");
+		exit_cleanup(RERR_SOCKETIO);
+	}
   
+	io_flush();
+
+	if ((pid=do_fork()) == 0) {
+		close(recv_pipe[0]);
+		if (f_in != f_out) close(f_out);
 
-  if ((pid=do_fork()) == 0) {
-    recv_files(f_in,flist,local_name,recv_pipe[1]);
-    if (verbose > 2)
-      rprintf(FINFO,"receiver read %ld\n",(long)read_total());
-    exit_cleanup(0);
-  }
+		set_nonblocking(f_in);
+		set_nonblocking(recv_pipe[1]);
+
+		recv_files(f_in,flist,local_name,recv_pipe[1]);
+		report(f_in);
+
+		io_flush();
+		_exit(0);
+	}
 
-  generate_files(f_out,flist,local_name,recv_pipe[0]);
+	close(recv_pipe[1]);
+	io_close_input(f_in);
+	if (f_in != f_out) close(f_in);
 
-  waitpid(pid, &status, 0);
+	set_nonblocking(f_out);
+	set_nonblocking(recv_pipe[0]);
 
-  return status;
+	io_start_buffering(f_out);
+
+	generate_files(f_out,flist,local_name,recv_pipe[0]);
+
+	io_flush();
+	waitpid(pid, &status, 0);
+	return status;
 }
 
 
 static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
 {
-  int status;
-  struct file_list *flist;
-  char *local_name=NULL;
-  char *dir = NULL;
-  
-  if (verbose > 2)
-    rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
-
-  if (am_daemon) {
-	  char *name = lp_name(module_id);
-	  int i, l = strlen(name);
-	  for (i=0;i<argc;i++) {
-		  if (strncmp(argv[i], name, l) == 0) {
-			  argv[i] += l;
-			  if (!*argv[i]) argv[i] = ".";
-		  }
-		  rprintf(FINFO,"argv[%d]=%s\n", i, argv[i]);
-	  }
-  }
-
-  if (argc > 0) {
-	  dir = argv[0];
-	  argc--;
-	  argv++;
-	  if (!am_daemon && chdir(dir) != 0) {
-		  rprintf(FERROR,"chdir %s : %s (4)\n",
-			  dir,strerror(errno));
-		  exit_cleanup(1);
-	  }    
-  }
-
-  if (delete_mode)
-    recv_exclude_list(f_in);
-
-  flist = recv_file_list(f_in);
-  if (!flist || flist->count == 0) {
-    rprintf(FERROR,"nothing to do\n");
-    exit_cleanup(1);
-  }
-
-  if (argc > 0) {    
-	  if (strcmp(dir,".")) {
-		  argv[0] += strlen(dir);
-		  if (argv[0][0] == '/') argv[0]++;
-	  }
-	  local_name = get_local_name(flist,argv[0]);
-  }
-
-  status = do_recv(f_in,f_out,flist,local_name);
-  exit_cleanup(status);
+	int status;
+	struct file_list *flist;
+	char *local_name=NULL;
+	char *dir = NULL;
+	extern int delete_mode;
+	extern int am_daemon;
+
+	if (verbose > 2)
+		rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
+	
+	if (argc > 0) {
+		dir = argv[0];
+		argc--;
+		argv++;
+		if (!am_daemon && !push_dir(dir, 0)) {
+			rprintf(FERROR,"push_dir %s : %s (4)\n",
+				dir,strerror(errno));
+			exit_cleanup(RERR_FILESELECT);
+		}    
+	}
+
+	if (delete_mode)
+		recv_exclude_list(f_in);
+
+	flist = recv_file_list(f_in);
+	if (!flist || flist->count == 0) {
+		rprintf(FERROR,"server_recv: nothing to do\n");
+		exit_cleanup(RERR_FILESELECT);
+	}
+	
+	if (argc > 0) {    
+		if (strcmp(dir,".")) {
+			argv[0] += strlen(dir);
+			if (argv[0][0] == '/') argv[0]++;
+		}
+		local_name = get_local_name(flist,argv[0]);
+	}
+
+	status = do_recv(f_in,f_out,flist,local_name);
+	exit_cleanup(status);
 }
 
 
 void start_server(int f_in, int f_out, int argc, char *argv[])
 {
-      setup_protocol(f_out, f_in);
-	
-      if (am_sender) {
-	      recv_exclude_list(f_in);
-	      if (cvs_exclude)
-		      add_cvs_excludes();
-	      do_server_sender(f_in, f_out, argc, argv);
-      } else {
-	      do_server_recv(f_in, f_out, argc, argv);
-      }
-      exit_cleanup(0);
+	extern int cvs_exclude;
+	extern int am_sender;
+
+	set_nonblocking(f_out);
+	if (f_in != f_out)
+		set_nonblocking(f_in);
+			
+	setup_protocol(f_out, f_in);
+
+	if (am_sender) {
+		recv_exclude_list(f_in);
+		if (cvs_exclude)
+			add_cvs_excludes();
+		do_server_sender(f_in, f_out, argc, argv);
+	} else {
+		do_server_recv(f_in, f_out, argc, argv);
+	}
+	exit_cleanup(0);
 }
 
 int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
@@ -469,10 +383,14 @@ int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
 	struct file_list *flist;
 	int status = 0, status2 = 0;
 	char *local_name = NULL;
+	extern int am_sender;
+	extern int list_only;
 
 	setup_protocol(f_out,f_in);
 	
 	if (am_sender) {
+		extern int cvs_exclude;
+		extern int delete_mode;
 		if (cvs_exclude)
 			add_cvs_excludes();
 		if (delete_mode) 
@@ -480,21 +398,29 @@ int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
 		flist = send_file_list(f_out,argc,argv);
 		if (verbose > 3) 
 			rprintf(FINFO,"file list sent\n");
+
+		set_nonblocking(f_out);
+		if (f_in != f_out)
+			set_nonblocking(f_in);
+
 		send_files(flist,f_out,f_in);
 		if (pid != -1) {
 			if (verbose > 3)
-				rprintf(FINFO,"waiting on %d\n",pid);
+				rprintf(FINFO,"client_run waiting on %d\n",pid);
+			io_flush();
 			waitpid(pid, &status, 0);
 		}
 		report(-1);
 		exit_cleanup(status);
 	}
+
+	if (argc == 0) list_only = 1;
 	
 	send_exclude_list(f_out);
 	
 	flist = recv_file_list(f_in);
 	if (!flist || flist->count == 0) {
-		rprintf(FINFO,"nothing to do\n");
+		rprintf(FINFO,"client: nothing to do\n");
 		exit_cleanup(0);
 	}
 	
@@ -502,26 +428,58 @@ int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
 	
 	status2 = do_recv(f_in,f_out,flist,local_name);
 	
-	report(f_in);
-	
 	if (pid != -1) {
+		if (verbose > 3)
+			rprintf(FINFO,"client_run2 waiting on %d\n",pid);
+		io_flush();
 		waitpid(pid, &status, 0);
 	}
 	
 	return status | status2;
 }
 
+static char *find_colon(char *s)
+{
+	char *p, *p2;
+
+	p = strchr(s,':');
+	if (!p) return NULL;
+	
+	/* now check to see if there is a / in the string before the : - if there is then
+	   discard the colon on the assumption that the : is part of a filename */
+	p2 = strchr(s,'/');
+	if (p2 && p2 < p) return NULL;
 
-int start_client(int argc, char *argv[])
+	return p;
+}
+
+static int start_client(int argc, char *argv[])
 {
 	char *p;
 	char *shell_machine = NULL;
 	char *shell_path = NULL;
 	char *shell_user = NULL;
-	int pid;
+	int pid, ret;
 	int f_in,f_out;
+	extern int local_server;
+	extern int am_sender;
+	extern char *shell_cmd;
+
+	if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) {
+		char *host, *path;
+
+		host = argv[0] + strlen(URL_PREFIX);
+		p = strchr(host,'/');
+		if (p) {
+			*p = 0;
+			path = p+1;
+		} else {
+			path="";
+		}
+		return start_socket_client(host, path, argc-1, argv+1);
+	}
 
-	p = strchr(argv[0],':');
+	p = find_colon(argv[0]);
 
 	if (p) {
 		if (p[1] == ':') {
@@ -529,9 +487,9 @@ int start_client(int argc, char *argv[])
 			return start_socket_client(argv[0], p+2, argc-1, argv+1);
 		}
 
-		if (argc < 2) {
+		if (argc < 1) {
 			usage(FERROR);
-			exit_cleanup(1);
+			exit_cleanup(RERR_SYNTAX);
 		}
 
 		am_sender = 0;
@@ -543,7 +501,7 @@ int start_client(int argc, char *argv[])
 	} else {
 		am_sender = 1;
 
-		p = strchr(argv[argc-1],':');
+		p = find_colon(argv[argc-1]);
 		if (!p) {
 			local_server = 1;
 		} else if (p[1] == ':') {
@@ -553,7 +511,7 @@ int start_client(int argc, char *argv[])
 
 		if (argc < 2) {
 			usage(FERROR);
-			exit_cleanup(1);
+			exit_cleanup(RERR_SYNTAX);
 		}
 		
 		if (local_server) {
@@ -584,351 +542,87 @@ int start_client(int argc, char *argv[])
 			shell_path?shell_path:"");
 	}
 	
-	if (!am_sender && argc != 1) {
+	if (!am_sender && argc > 1) {
 		usage(FERROR);
-		exit_cleanup(1);
+		exit_cleanup(RERR_SYNTAX);
 	}
 	
 	pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
 	
-#if HAVE_SETLINEBUF
-	setlinebuf(stdout);
-	setlinebuf(stderr);
-#endif
-
-	return client_run(f_in, f_out, pid, argc, argv);
-}
+	ret = client_run(f_in, f_out, pid, argc, argv);
 
+	fflush(stdout);
+	fflush(stderr);
 
-static void usage(int F)
-{
-  rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
-	  VERSION);
-  rprintf(F,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
-  rprintf(F,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
-  rprintf(F,"Options:\n");
-  rprintf(F,"-v, --verbose            increase verbosity\n");
-  rprintf(F,"-c, --checksum           always checksum\n");
-  rprintf(F,"-a, --archive            archive mode (same as -rlptDog)\n");
-  rprintf(F,"-r, --recursive          recurse into directories\n");
-  rprintf(F,"-R, --relative           use relative path names\n");
-  rprintf(F,"-b, --backup             make backups (default ~ extension)\n");
-  rprintf(F,"-u, --update             update only (don't overwrite newer files)\n");
-  rprintf(F,"-l, --links              preserve soft links\n");
-  rprintf(F,"-L, --copy-links         treat soft links like regular files\n");
-  rprintf(F,"-H, --hard-links         preserve hard links\n");
-  rprintf(F,"-p, --perms              preserve permissions\n");
-  rprintf(F,"-o, --owner              preserve owner (root only)\n");
-  rprintf(F,"-g, --group              preserve group\n");
-  rprintf(F,"-D, --devices            preserve devices (root only)\n");
-  rprintf(F,"-t, --times              preserve times\n");  
-  rprintf(F,"-S, --sparse             handle sparse files efficiently\n");
-  rprintf(F,"-n, --dry-run            show what would have been transferred\n");
-  rprintf(F,"-W, --whole-file         copy whole files, no incremental checks\n");
-  rprintf(F,"-x, --one-file-system    don't cross filesystem boundaries\n");
-  rprintf(F,"-B, --block-size SIZE    checksum blocking size\n");  
-  rprintf(F,"-e, --rsh COMMAND        specify rsh replacement\n");
-  rprintf(F,"    --rsync-path PATH    specify path to rsync on the remote machine\n");
-  rprintf(F,"-C, --cvs-exclude        auto ignore files in the same way CVS does\n");
-  rprintf(F,"    --delete             delete files that don't exist on the sending side\n");
-  rprintf(F,"    --force              force deletion of directories even if not empty\n");
-  rprintf(F,"    --numeric-ids        don't map uid/gid values by user/group name\n");
-  rprintf(F,"    --timeout TIME       set IO timeout in seconds\n");
-  rprintf(F,"-I, --ignore-times       don't exclude files that match length and time\n");
-  rprintf(F,"-T  --temp-dir DIR       create temporary files in directory DIR\n");
-  rprintf(F,"-z, --compress           compress file data\n");
-  rprintf(F,"    --exclude FILE       exclude file FILE\n");
-  rprintf(F,"    --exclude-from FILE  exclude files listed in FILE\n");
-  rprintf(F,"    --suffix SUFFIX      override backup suffix\n");  
-  rprintf(F,"    --version            print version number\n");  
-
-  rprintf(F,"\n");
-  rprintf(F,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
-  rprintf(F,"the block size defaults to %d\n",BLOCK_SIZE);  
-}
-
-enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
-      OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH,
-      OPT_FORCE,OPT_TIMEOUT,OPT_DAEMON};
-
-static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:T:z";
-
-static struct option long_options[] = {
-  {"version",     0,     0,    OPT_VERSION},
-  {"server",      0,     0,    OPT_SERVER},
-  {"sender",      0,     0,    OPT_SENDER},
-  {"delete",      0,     0,    OPT_DELETE},
-  {"force",       0,     0,    OPT_FORCE},
-  {"numeric-ids", 0,     0,    OPT_NUMERIC_IDS},
-  {"exclude",     1,     0,    OPT_EXCLUDE},
-  {"exclude-from",1,     0,    OPT_EXCLUDE_FROM},
-  {"rsync-path",  1,     0,    OPT_RSYNC_PATH},
-  {"one-file-system",0,  0,    'x'},
-  {"ignore-times",0,     0,    'I'},
-  {"help",        0,     0,    'h'},
-  {"dry-run",     0,     0,    'n'},
-  {"sparse",      0,     0,    'S'},
-  {"cvs-exclude", 0,     0,    'C'},
-  {"archive",     0,     0,    'a'},
-  {"checksum",    0,     0,    'c'},
-  {"backup",      0,     0,    'b'},
-  {"update",      0,     0,    'u'},
-  {"verbose",     0,     0,    'v'},
-  {"recursive",   0,     0,    'r'},
-  {"relative",    0,     0,    'R'},
-  {"devices",     0,     0,    'D'},
-  {"perms",       0,     0,    'p'},
-  {"links",       0,     0,    'l'},
-  {"copy-links",  0,     0,    'L'},
-  {"whole-file",  0,     0,    'W'},
-  {"hard-links",  0,     0,    'H'},
-  {"owner",       0,     0,    'o'},
-  {"group",       0,     0,    'g'},
-  {"times",       0,     0,    't'},
-  {"rsh",         1,     0,    'e'},
-  {"suffix",      1,     0,    OPT_SUFFIX},
-  {"block-size",  1,     0,    'B'},
-  {"timeout",     1,     0,    OPT_TIMEOUT},
-  {"temp-dir",    1,     0,    'T'},
-  {"compress",	  0,	 0,    'z'},
-  {"daemon",      0,     0,    OPT_DAEMON},
-  {0,0,0,0}};
-
-RETSIGTYPE sigusr1_handler(int val) {
-	exit_cleanup(1);
+	return ret;
 }
 
 
-void parse_arguments(int argc, char *argv[])
-{
-    int opt;
-    int option_index;
-
-    while ((opt = getopt_long(argc, argv, 
-			      short_options, long_options, &option_index)) 
-	   != -1) {
-      switch (opt) 
-	{
-	case OPT_VERSION:
-	  printf("rsync version %s  protocol version %d\n",
-		 VERSION,PROTOCOL_VERSION);
-	  exit_cleanup(0);
-
-	case OPT_SUFFIX:
-	  backup_suffix = optarg;
-	  break;
-
-	case OPT_RSYNC_PATH:
-	  rsync_path = optarg;
-	  break;
-
-	case 'I':
-	  ignore_times = 1;
-	  break;
-
-	case 'x':
-	  one_file_system=1;
-	  break;
-
-	case OPT_DELETE:
-	  delete_mode = 1;
-	  break;
-
-	case OPT_FORCE:
-	  force_delete = 1;
-	  break;
-
-	case OPT_NUMERIC_IDS:
-	  numeric_ids = 1;
-	  break;
-
-	case OPT_EXCLUDE:
-	  add_exclude(optarg);
-	  break;
-
-	case OPT_EXCLUDE_FROM:
-	  add_exclude_file(optarg,1);
-	  break;
-
-	case 'h':
-	  usage(FINFO);
-	  exit_cleanup(0);
-
-	case 'b':
-	  make_backups=1;
-	  break;
-
-	case 'n':
-	  dry_run=1;
-	  break;
-
-	case 'S':
-	  sparse_files=1;
-	  break;
-
-	case 'C':
-	  cvs_exclude=1;
-	  break;
-
-	case 'u':
-	  update_only=1;
-	  break;
-
-	case 'l':
-	  preserve_links=1;
-	  break;
-
-	case 'L':
-	  copy_links=1;
-	  break;
-
-	case 'W':
-	  whole_file=1;
-	  break;
-
-	case 'H':
-#if SUPPORT_HARD_LINKS
-	  preserve_hard_links=1;
-#else 
-	  rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
-	  exit_cleanup(1);
-#endif
-	  break;
-
-	case 'p':
-	  preserve_perms=1;
-	  break;
-
-	case 'o':
-	  preserve_uid=1;
-	  break;
-
-	case 'g':
-	  preserve_gid=1;
-	  break;
-
-	case 'D':
-	  preserve_devices=1;
-	  break;
-
-	case 't':
-	  preserve_times=1;
-	  break;
+static RETSIGTYPE sigusr1_handler(int val) {
+	exit_cleanup(RERR_SIGNAL);
+}
 
-	case 'c':
-	  always_checksum=1;
-	  break;
+int main(int argc,char *argv[])
+{       
+	extern int am_root;
+	extern int orig_umask;
+	extern int dry_run;
+	extern int am_daemon;
+	extern int am_server;
 
-	case 'v':
-	  verbose++;
-	  break;
+	signal(SIGUSR1, sigusr1_handler);
 
-	case 'a':
-	  recurse=1;
-#if SUPPORT_LINKS
-	  preserve_links=1;
-#endif
-	  preserve_perms=1;
-	  preserve_times=1;
-	  preserve_gid=1;
-	  if (am_root) {
-	    preserve_devices=1;
-	    preserve_uid=1;
-	  }
-	  break;
-
-	case OPT_SERVER:
-	  am_server = 1;
-	  break;
-
-	case OPT_SENDER:
-	  if (!am_server) {
-	    usage(FERROR);
-	    exit_cleanup(1);
-	  }
-	  am_sender = 1;
-	  break;
-
-	case 'r':
-	  recurse = 1;
-	  break;
-
-	case 'R':
-	  relative_paths = 1;
-	  break;
-
-	case 'e':
-	  shell_cmd = optarg;
-	  break;
-
-	case 'B':
-	  block_size = atoi(optarg);
-	  break;
-
-	case OPT_TIMEOUT:
-	  io_timeout = atoi(optarg);
-	  break;
-
-	case 'T':
-		tmpdir = optarg;
-		break;
-
-        case 'z':
-	  do_compression = 1;
-	  break;
-
-	case OPT_DAEMON:
-		am_daemon = 1;
-		break;
-
-	default:
-	  /* rprintf(FERROR,"bad option -%c\n",opt); */
-	  exit_cleanup(1);
-	}
-    }
-}
+	starttime = time(NULL);
+	am_root = (getuid() == 0);
 
-int main(int argc,char *argv[])
-{
+	memset(&stats, 0, sizeof(stats));
 
-    signal(SIGUSR1, sigusr1_handler);
+	if (argc < 2) {
+		usage(FERROR);
+		exit_cleanup(RERR_SYNTAX);
+	}
 
-    starttime = time(NULL);
-    am_root = (getuid() == 0);
+	/* we set a 0 umask so that correct file permissions can be
+	   carried across */
+	orig_umask = (int)umask(0);
 
-    /* we set a 0 umask so that correct file permissions can be
-       carried across */
-    orig_umask = (int)umask(0);
+	if (!parse_arguments(argc, argv)) {
+		exit_cleanup(RERR_SYNTAX);
+	}
 
-    parse_arguments(argc, argv);
+	argc -= optind;
+	argv += optind;
+	optind = 0;
 
-    argc -= optind;
-    argv += optind;
-    optind = 0;
+	signal(SIGCHLD,SIG_IGN);
+	signal(SIGINT,SIGNAL_CAST sig_int);
+	signal(SIGPIPE,SIGNAL_CAST sig_int);
+	signal(SIGHUP,SIGNAL_CAST sig_int);
+	signal(SIGTERM,SIGNAL_CAST sig_int);
 
-    signal(SIGCHLD,SIG_IGN);
-    signal(SIGINT,SIGNAL_CAST sig_int);
-    signal(SIGPIPE,SIGNAL_CAST sig_int);
-    signal(SIGHUP,SIGNAL_CAST sig_int);
+	if (am_daemon) {
+		return daemon_main();
+	}
 
-    if (am_daemon) {
-	    return daemon_main();
-    }
+	if (argc < 1) {
+		usage(FERROR);
+		exit_cleanup(RERR_SYNTAX);
+	}
 
-    if (dry_run)
-      verbose = MAX(verbose,1);
+	if (dry_run)
+		verbose = MAX(verbose,1);
 
 #ifndef SUPPORT_LINKS
-    if (!am_server && preserve_links) {
-	    rprintf(FERROR,"ERROR: symbolic links not supported\n");
-	    exit_cleanup(1);
-    }
+	if (!am_server && preserve_links) {
+		rprintf(FERROR,"ERROR: symbolic links not supported\n");
+		exit_cleanup(RERR_UNSUPPORTED);
+	}
 #endif
 
-    if (am_server) {
-	    start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
-    }
+	if (am_server) {
+		start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
+	}
 
-    return start_client(argc, argv);
+	return start_client(argc, argv);
 }