rsync.h

Rsync 3.0.5 source code

	OFF_T p_offset;		/* Window start				*/
	OFF_T p_fd_offset;	/* offset of cursor in fd ala lseek	*/
	char *p;		/* Window pointer			*/
	int32 p_size;		/* Largest window size we allocated	*/
	int32 p_len;		/* Latest (rounded) window size		*/
	int32 def_window_size;	/* Default window size			*/
	int fd;			/* File Descriptor			*/
	int status;		/* first errno from read errors		*/
};

#define MATCHFLG_WILD		(1<<0) /* pattern has '*', '[', and/or '?' */
#define MATCHFLG_WILD2		(1<<1) /* pattern has '**' */
#define MATCHFLG_WILD2_PREFIX	(1<<2) /* pattern starts with "**" */
#define MATCHFLG_WILD3_SUFFIX	(1<<3) /* pattern ends with "***" */
#define MATCHFLG_ABS_PATH	(1<<4) /* path-match on absolute path */
#define MATCHFLG_INCLUDE	(1<<5) /* this is an include, not an exclude */
#define MATCHFLG_DIRECTORY	(1<<6) /* this matches only directories */
#define MATCHFLG_WORD_SPLIT	(1<<7) /* split rules on whitespace */
#define MATCHFLG_NO_INHERIT	(1<<8) /* don't inherit these rules */
#define MATCHFLG_NO_PREFIXES	(1<<9) /* parse no prefixes from patterns */
#define MATCHFLG_MERGE_FILE	(1<<10)/* specifies a file to merge */
#define MATCHFLG_PERDIR_MERGE	(1<<11)/* merge-file is searched per-dir */
#define MATCHFLG_EXCLUDE_SELF	(1<<12)/* merge-file name should be excluded */
#define MATCHFLG_FINISH_SETUP	(1<<13)/* per-dir merge file needs setup */
#define MATCHFLG_NEGATE 	(1<<14)/* rule matches when pattern does not */
#define MATCHFLG_CVS_IGNORE	(1<<15)/* rule was -C or :C */
#define MATCHFLG_SENDER_SIDE	(1<<16)/* rule applies to the sending side */
#define MATCHFLG_RECEIVER_SIDE	(1<<17)/* rule applies to the receiving side */
#define MATCHFLG_CLEAR_LIST 	(1<<18)/* this item is the "!" token */
#define MATCHFLG_PERISHABLE	(1<<19)/* perishable if parent dir goes away */

#define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \
				| MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \
				| MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \
				| MATCHFLG_PERISHABLE)

struct filter_struct {
	struct filter_struct *next;
	char *pattern;
	uint32 match_flags;
	union {
		int slash_cnt;
		struct filter_list_struct *mergelist;
	} u;
};

struct filter_list_struct {
	struct filter_struct *head;
	struct filter_struct *tail;
	char *debug_type;
};

struct stats {
	int64 total_size;
	int64 total_transferred_size;
	int64 total_written;
	int64 total_read;
	int64 literal_data;
	int64 matched_data;
	int64 flist_buildtime;
	int64 flist_xfertime;
	int64 flist_size;
	int num_files;
	int num_transferred_files;
};

struct chmod_mode_struct;

struct flist_ndx_item {
	struct flist_ndx_item *next;
	int ndx;
};

typedef struct {
	struct flist_ndx_item *head, *tail;
} flist_ndx_list;

#define EMPTY_ITEM_LIST {NULL, 0, 0}

typedef struct {
	void *items;
	size_t count;
	size_t malloced;
} item_list;

#define EXPAND_ITEM_LIST(lp, type, incr) \
	(type*)expand_item_list(lp, sizeof (type), #type, incr)

#define EMPTY_XBUF {NULL, 0, 0, 0}

typedef struct {
	char *buf;
	size_t pos;  /* pos = read pos in the buf */
	size_t len;  /* len = chars following pos */
	size_t size; /* size = total space in buf */
} xbuf;

#define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0
#define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (-1), (xb).pos = 0
/* This one is used to make an output xbuf based on a char[] buffer: */
#define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0

#define ICB_EXPAND_OUT (1<<0)
#define ICB_INCLUDE_BAD (1<<1)
#define ICB_INCLUDE_INCOMPLETE (1<<2)

#define RL_EOL_NULLS (1<<0)
#define RL_DUMP_COMMENTS (1<<1)
#define RL_CONVERT (1<<2)

typedef struct {
	char name_type;
	char fname[1]; /* has variable size */
} relnamecache;

#include "byteorder.h"
#include "lib/mdigest.h"
#include "lib/wildmatch.h"
#include "lib/permstring.h"
#include "lib/addrinfo.h"

#ifndef __GNUC__
#define __attribute__(x)
#else
# if __GNUC__ <= 2
# define NORETURN
# endif
#endif

#define UNUSED(x) x __attribute__((__unused__))
#ifndef NORETURN
#define NORETURN __attribute__((__noreturn__))
#endif

typedef struct {
    STRUCT_STAT st;
#ifdef SUPPORT_ACLS
    struct rsync_acl *acc_acl; /* access ACL */
    struct rsync_acl *def_acl; /* default ACL */
#endif
#ifdef SUPPORT_XATTRS
    item_list *xattr;
#endif
} stat_x;

#define ACL_READY(sx) ((sx).acc_acl != NULL)
#define XATTR_READY(sx) ((sx).xattr != NULL)

#include "proto.h"

#ifndef SUPPORT_XATTRS
#define x_stat(fn,fst,xst) do_stat(fn,fst)
#define x_lstat(fn,fst,xst) do_lstat(fn,fst)
#define x_fstat(fd,fst,xst) do_fstat(fd,fst)
#endif

/* We have replacement versions of these if they're missing. */
#ifndef HAVE_ASPRINTF
int asprintf(char **ptr, const char *format, ...);
#endif

#ifndef HAVE_VASPRINTF
int vasprintf(char **ptr, const char *format, va_list ap);
#endif

#if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
#define vsnprintf rsync_vsnprintf
int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
#endif

#if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
#define snprintf rsync_snprintf
int snprintf(char *str, size_t count, const char *fmt,...);
#endif


#ifndef HAVE_STRERROR
extern char *sys_errlist[];
#define strerror(i) sys_errlist[i]
#endif

#ifndef HAVE_STRCHR
# define strchr                 index
# define strrchr                rindex
#endif

#ifndef HAVE_ERRNO_DECL
extern int errno;
#endif

#ifdef HAVE_READLINK
#define SUPPORT_LINKS 1
#endif
#ifdef HAVE_LINK
#define SUPPORT_HARD_LINKS 1
#endif

#ifdef HAVE_SIGACTION
#define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
#define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
#else
#define SIGACTION(n,h) signal(n,h)
#endif

#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_IRUSR
#define S_IRUSR 0400
#endif

#ifndef S_IWUSR
#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

#ifndef _S_IFLNK
#define _S_IFLNK  0120000
#endif

#ifndef S_ISLNK
#define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
#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_ISSOCK
#ifdef _S_IFSOCK
#define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
#else
#define S_ISSOCK(mode) (0)
#endif
#endif

#ifndef S_ISFIFO
#ifdef _S_IFIFO
#define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
#else
#define S_ISFIFO(mode) (0)
#endif
#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

/* work out what fcntl flag to use for non-blocking */
#ifdef O_NONBLOCK
# define NONBLOCK_FLAG O_NONBLOCK
#elif defined SYSV
# define NONBLOCK_FLAG O_NDELAY
#else
# define NONBLOCK_FLAG FNDELAY
#endif

#ifndef INADDR_LOOPBACK
#define INADDR_LOOPBACK 0x7f000001
#endif

#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif

#define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))

/* 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 */
#define INITACCESSPERMS 0700

/* handler for null strings in printf format */
#define NS(s) ((s)?(s):"<NULL>")

/* Convenient wrappers for malloc and realloc.  Use them. */
#define new(type) ((type*)malloc(sizeof (type)))
#define new0(type) ((type*)calloc(1, sizeof (type)))
#define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0))
#define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1))
#define realloc_array(ptr, type, num) ((type*)_realloc_array((ptr), sizeof(type), (num)))

/* use magic gcc attributes to catch format errors */
 void rprintf(enum logcode , const char *, ...)
     __attribute__((format (printf, 2, 3)))
;

/* This is just like rprintf, but it also tries to print some
 * representation of the error code.  Normally errcode = errno. */
void rsyserr(enum logcode, int, const char *, ...)
     __attribute__((format (printf, 3, 4)))
     ;

/* Make sure that the O_BINARY flag is defined. */
#ifndef O_BINARY
#define O_BINARY 0
#endif

#ifndef HAVE_STRLCPY
size_t strlcpy(char *d, const char *s, size_t bufsize);
#endif

#ifndef HAVE_STRLCAT
size_t strlcat(char *d, const char *s, size_t bufsize);
#endif

#ifndef WEXITSTATUS
#define	WEXITSTATUS(stat)	((int)(((stat)>>8)&0xFF))
#endif
#ifndef WIFEXITED
#define	WIFEXITED(stat)		((int)((stat)&0xFF) == 0)
#endif

#define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)

#ifdef HAVE_GETEUID
#define MY_UID() geteuid()
#else
#define MY_UID() getuid()
#endif

#ifdef HAVE_GETEGID
#define MY_GID() getegid()
#else
#define MY_GID() getgid()
#endif

#ifdef FORCE_FD_ZERO_MEMSET
#undef FD_ZERO
#define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof (fd_set))
#endif

extern int verbose;

#ifndef HAVE_INET_NTOP
const char *inet_ntop(int af, const void *src, char *dst, size_t size);
#endif

#ifndef HAVE_INET_PTON
int inet_pton(int af, const char *src, void *dst);
#endif

#ifdef MAINTAINER_MODE
const char *get_panic_action(void);
#endif