mirror of
https://github.com/RsyncProject/rsync.git
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231 lines
4.2 KiB
C
231 lines
4.2 KiB
C
/*
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Copyright (C) Andrew Tridgell 1996
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Copyright (C) Paul Mackerras 1996
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define BLOCK_SIZE 700
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#define RSYNC_RSH_ENV "RSYNC_RSH"
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#define RSYNC_RSH "rsh"
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#define RSYNC_NAME "rsync"
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#define BACKUP_SUFFIX "~"
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/* update this if you make incompatible changes */
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#define PROTOCOL_VERSION 9
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/* block size to write files in */
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#define WRITE_BLOCK_SIZE (32*1024)
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#include "config.h"
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <stdio.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <string.h>
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#endif
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#ifdef HAVE_COMPAT_H
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#include <compat.h>
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#endif
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#ifdef TIME_WITH_SYS_TIME
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#include <sys/time.h>
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#include <time.h>
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#else
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#else
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#include <time.h>
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#endif
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#else
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#ifdef HAVE_SYS_FCNTL_H
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#include <sys/fcntl.h>
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#endif
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#endif
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#include <sys/stat.h>
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#include <signal.h>
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#ifdef HAVE_CTYPE_H
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#include <ctype.h>
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#endif
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#ifdef HAVE_GRP_H
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#include <grp.h>
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#endif
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#include <errno.h>
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#include <sys/mman.h>
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#ifdef HAVE_UTIME_H
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#include <utime.h>
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#endif
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#ifdef HAVE_FNMATCH
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#include <fnmatch.h>
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#else
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#include "lib/fnmatch.h"
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#endif
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#ifdef HAVE_GETOPT_LONG
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#include <getopt.h>
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#else
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#include "lib/getopt.h"
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#endif
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#ifndef S_ISLNK
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#define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK)
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#endif
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#ifndef uchar
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#define uchar unsigned char
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#endif
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#ifndef int32
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#if (SIZEOF_INT == 4)
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#define int32 int
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#elif (SIZEOF_LONG == 4)
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#define int32 long
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#elif (SIZEOF_SHORT == 4)
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#define int32 short
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#endif
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#endif
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#ifndef uint32
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#define uint32 unsigned int32
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#endif
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#ifndef MIN
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#define MIN(a,b) ((a)<(b)?(a):(b))
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#endif
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#ifndef MAX
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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/* the length of the md4 checksum */
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#define SUM_LENGTH 16
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#ifndef MAXPATHLEN
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#define MAXPATHLEN 1024
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#endif
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struct file_struct {
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time_t modtime;
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off_t length;
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mode_t mode;
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dev_t dev;
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uid_t uid;
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gid_t gid;
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char *name;
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char *dir;
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char *link;
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char sum[SUM_LENGTH];
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};
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struct file_list {
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int count;
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int malloced;
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struct file_struct *files;
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};
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struct sum_buf {
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off_t offset; /* offset in file of this chunk */
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int len; /* length of chunk of file */
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int i; /* index of this chunk */
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uint32 sum1; /* simple checksum */
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char sum2[SUM_LENGTH]; /* md4 checksum */
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};
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struct sum_struct {
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off_t flength; /* total file length */
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int count; /* how many chunks */
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int remainder; /* flength % block_length */
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int n; /* block_length */
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struct sum_buf *sums; /* points to info for each chunk */
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};
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#include "byteorder.h"
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#include "version.h"
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#include "proto.h"
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#include "md4.h"
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#if !HAVE_STRERROR
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extern char *sys_errlist[];
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#define strerror(i) sys_errlist[i]
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#endif
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#ifndef HAVE_STRCHR
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# define strchr index
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# define strrchr rindex
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#endif
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#if HAVE_DIRENT_H
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# include <dirent.h>
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#else
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# define dirent direct
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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# endif
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#endif
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#ifndef HAVE_ERRNO_DECL
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extern int errno;
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#endif
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#ifndef HAVE_BCOPY
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#define bcopy(src,dest,n) memcpy(dest,src,n)
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#endif
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#ifndef HAVE_BZERO
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#define bzero(buf,n) memset(buf,0,n)
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#endif
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#define SUPPORT_LINKS (HAVE_READLINK && defined(S_ISLNK))
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#if !SUPPORT_LINKS
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#define lstat stat
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#endif
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#define SIGNAL_CAST (RETSIGTYPE (*)())
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