X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/47b032e97fdd94a2b8d834483b017cc227e1ae7e..f7d7fb381d49aa23f51ec81a4badd528c5d2db90:/rsync.h diff --git a/rsync.h b/rsync.h index a366f8a0..9b7fd3fa 100644 --- a/rsync.h +++ b/rsync.h @@ -57,17 +57,18 @@ /* These flags are used in the live flist data. */ -#define FLAG_TOP_DIR (1<<0) -#define FLAG_SENT (1<<1) /* sender */ -#define FLAG_HLINK_EOL (1<<1) /* receiver/generator */ -#define FLAG_MOUNT_POINT (1<<2) /* sender/generator */ -#define FLAG_DEL_HERE (1<<3) /* receiver/generator */ -#define FLAG_HLINK_TOL (1<<4) /* receiver/generator */ -#define FLAG_NO_FUZZY (1<<5) /* generator */ -#define FLAG_MISSING (1<<6) /* generator */ +#define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */ +#define FLAG_SENT (1<<1) /* sender/generator */ +#define FLAG_XFER_DIR (1<<2) /* sender/receiver/generator */ +#define FLAG_MOUNT_DIR (1<<3) /* sender/generator */ +#define FLAG_MISSING_DIR (1<<4) /* generator */ +#define FLAG_HLINKED (1<<5) /* receiver/generator */ +#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */ +#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */ +#define FLAG_LENGTH64 (1<<8) /* sender/receiver/generator */ /* update this if you make incompatible changes */ -#define PROTOCOL_VERSION 29 +#define PROTOCOL_VERSION 30 /* We refuse to interoperate with versions that are not in this range. * Note that we assume we'll work with later versions: the onus is on @@ -153,6 +154,7 @@ /* These are outside the range of the transmitted flags. */ #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */ #define ITEM_DELETED (1<<17) /* used by log_formatted() */ +#define ITEM_MATCHED (1<<18) /* used by itemize() */ #define SIGNIFICANT_ITEM_FLAGS (~(\ ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE)) @@ -175,6 +177,8 @@ enum msgcode { MSG_DONE=86 /* current phase is done */ }; +#define NDX_DONE -1 + #include "errcode.h" #include "config.h" @@ -446,7 +450,7 @@ enum msgcode { */ struct idev { - int64 inode; + int64 ino; int64 dev; }; @@ -497,42 +501,74 @@ struct idev { #define HL_CHECK_MASTER 0 #define HL_SKIP 1 -struct hlink { +struct hlist { int32 next; int32 hlindex; - unsigned short link_dest_used; + unsigned short dest_used; }; -#define F_DEV link_u.idev->dev -#define F_INODE link_u.idev->inode - -#define F_HLINDEX link_u.links->hlindex -#define F_NEXT link_u.links->next - struct file_struct { + union flist_extras { + uid_t uid; /* The user ID number */ + uid_t gid; /* The group ID number or GID_NONE */ + struct idev *idev; /* The hard-link info during matching */ + struct hlist *hlist; /* The hard-link info after matching */ + uint32 unum; /* An unsigned number */ + } extras[1]; + time_t modtime; /* When the item was last modified */ + const char *dirname; /* The dir info inside the transfer */ union { - dev_t rdev; /* The device number, if this is a device */ - char *sum; /* Only a normal file can have a checksum */ - char *link; /* Points to symlink string, if a symlink */ - } u; - OFF_T length; - char *basename; /* The current item's name (AKA filename) */ - char *dirname; /* The directory info inside the transfer */ - union { - char *root; /* Sender-side dir info outside transfer */ - int depth; /* Receiver-side directory depth info */ + const char *root; /* Sender-side dir info outside transfer */ + int32 depth; /* Receiver-side directory depth info */ } dir; - union { - struct idev *idev; - struct hlink *links; - } link_u; - time_t modtime; - uid_t uid; - gid_t gid; - mode_t mode; - uchar flags; /* this item MUST remain last */ + uint32 len32; /* Lowest 32 bits of the file's length */ + unsigned short mode; /* The item's type and permissions */ + unsigned short flags; /* This item MUST remain last! */ }; +extern int flist_extra_cnt; +extern int preserve_uid; +extern int preserve_gid; + +#define FILE_STRUCT_LEN (offsetof(struct file_struct, flags) \ + + sizeof (unsigned short)) +#define EXTRA_LEN (sizeof (union flist_extras)) +#define SUM_EXTRA_CNT ((MD4_SUM_LENGTH + EXTRA_LEN - 1) / EXTRA_LEN) + +#define REQ_EXTRA(f,ndx) ((f)->extras - (ndx - 1)) +#define OPT_EXTRA(f,bump) ((f)->extras - flist_extra_cnt - (bump)) +#define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0) +#define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 1 : 0) + +/* Basename (AKA filename) and length applies to all items */ +#define F_BASENAME(f) ((const char*)(f) + FILE_STRUCT_LEN) +#define F_LENGTH(f) ((OFF_T)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \ + ? (OFF_T)OPT_EXTRA(f, 0)->unum << 32 : 0u)) + +/* If there is a symlink string, it is always right after the basename */ +#define F_SYMLINK(f) (F_BASENAME(f) + strlen(F_BASENAME(f)) + 1) + +/* When the associated option is on, all entries will have these present: */ +#define F_UID(f) REQ_EXTRA(f, preserve_uid)->uid +#define F_GID(f) REQ_EXTRA(f, preserve_gid)->gid + +/* These are per-entry optional and mutally exclusive: */ +#define F_IDEV(f) OPT_EXTRA(f, LEN64_BUMP(f))->idev +#define F_HLIST(f) OPT_EXTRA(f, LEN64_BUMP(f))->hlist + +/* These are per-entry optional, but always both or neither: + * (Note: a device doesn't need to use LEN64_BUMP(f).) */ +#define F_DMAJOR(f) OPT_EXTRA(f, HLINK_BUMP(f))->unum +#define F_DMINOR(f) OPT_EXTRA(f, HLINK_BUMP(f) + 1)->unum + +/* The sum is only present on regular files. */ +#define F_SUM(f) ((const char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \ + + SUM_EXTRA_CNT - 1)) + +/* A couple bool-type utility functions: */ +#define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED) +#define F_IS_ACTIVE(f) F_BASENAME(f)[0] + /* * Start the flist array at FLIST_START entries and grow it * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR @@ -541,12 +577,12 @@ struct file_struct { #define FLIST_LINEAR (FLIST_START * 512) /* - * Extent size for allocation pools A minimum size of 128KB + * Extent size for allocation pools: A minimum size of 128KB * is needed to mmap them so that freeing will release the * space to the OS. * * Larger sizes reduce leftover fragments and speed free calls - * (when they happen) Smaller sizes increase the chance of + * (when they happen). Smaller sizes increase the chance of * freed allocations freeing whole extents. */ #define FILE_EXTENT (256 * 1024) @@ -559,9 +595,8 @@ struct file_list { struct file_struct **files; alloc_pool_t file_pool; alloc_pool_t hlink_pool; - int count; - int malloced; - int low, high; + int count, malloced; + int low, high; /* 0-relative index values excluding empties */ }; #define SUMFLG_SAME_OFFSET (1<<0) @@ -615,10 +650,12 @@ struct map_struct { #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_NEGATE | MATCHFLG_RECEIVER_SIDE \ + | MATCHFLG_PERISHABLE) struct filter_struct { struct filter_struct *next; @@ -645,7 +682,7 @@ struct stats { int64 matched_data; int64 flist_buildtime; int64 flist_xfertime; - int flist_size; + int64 flist_size; int num_files; int num_transferred_files; int current_file_index; @@ -659,15 +696,17 @@ struct chmod_mode_struct; #include "lib/permstring.h" #include "lib/addrinfo.h" -#if !defined __GNUC__ || defined __APPLE__ -/* Apparently the OS X port of gcc gags on __attribute__. - * - * */ +#ifndef __GNUC__ #define __attribute__(x) +# if __GNUC__ <= 2 +# define NORETURN +# endif #endif #define UNUSED(x) x __attribute__((__unused__)) +#ifndef NORETURN #define NORETURN __attribute__((__noreturn__)) +#endif #include "proto.h" @@ -687,7 +726,7 @@ int vsnprintf(char *str, size_t count, const char *fmt, va_list args); #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF #define snprintf rsync_snprintf -int snprintf(char *str,size_t count,const char *fmt,...); +int snprintf(char *str, size_t count, const char *fmt,...); #endif @@ -888,3 +927,45 @@ int inet_pton(int af, const char *src, void *dst); #ifdef MAINTAINER_MODE const char *get_panic_action(void); #endif + +static inline int +isDigit(const char *ptr) +{ + return isdigit(*(unsigned char *)ptr); +} + +static inline int +isPrint(const char *ptr) +{ + return isprint(*(unsigned char *)ptr); +} + +static inline int +isSpace(const char *ptr) +{ + return isspace(*(unsigned char *)ptr); +} + +static inline int +isLower(const char *ptr) +{ + return islower(*(unsigned char *)ptr); +} + +static inline int +isUpper(const char *ptr) +{ + return isupper(*(unsigned char *)ptr); +} + +static inline int +toLower(const char *ptr) +{ + return tolower(*(unsigned char *)ptr); +} + +static inline int +toUpper(const char *ptr) +{ + return toupper(*(unsigned char *)ptr); +}