X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/14d776ff0c8928f1e865edb9e394a23730e05393..658a63694bb0ff47ad5a63fb3d98e51954b57b1f:/rsync.h diff --git a/rsync.h b/rsync.h index c2a4e674..4d1d8734 100644 --- a/rsync.h +++ b/rsync.h @@ -216,6 +216,9 @@ enum msgcode { #ifdef HAVE_STRINGS_H # include #endif +#ifdef HAVE_INTTYPES_H +# include +#endif #ifdef HAVE_UNISTD_H # include #endif @@ -355,11 +358,30 @@ enum msgcode { #define schar char #endif +#ifndef int16 +#if SIZEOF_INT16_T == 2 +# define int16 int16_t +#else +# define int16 short +#endif +#endif + +#ifndef uint16 +#if SIZEOF_UINT16_T == 2 +# define uint16 uint16_t +#else +# define uint16 unsigned int16 +#endif +#endif + /* Find a variable that is either exactly 32-bits or longer. * If some code depends on 32-bit truncation, it will need to * take special action in a "#if SIZEOF_INT32 > 4" section. */ #ifndef int32 -#if SIZEOF_INT == 4 +#if SIZEOF_INT32_T == 4 +# define int32 int32_t +# define SIZEOF_INT32 4 +#elif SIZEOF_INT == 4 # define int32 int # define SIZEOF_INT32 4 #elif SIZEOF_LONG == 4 @@ -382,7 +404,11 @@ enum msgcode { #endif #ifndef uint32 -#define uint32 unsigned int32 +#if SIZEOF_UINT32_T == 4 +# define uint32 uint32_t +#else +# define uint32 unsigned int32 +#endif #endif #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64 @@ -400,7 +426,10 @@ enum msgcode { * to ensure that any code that really requires a 64-bit integer has * it (e.g. the checksum code uses two 32-bit integers for its 64-bit * counter). */ -#if SIZEOF_LONG == 8 +#if SIZEOF_INT64_T == 8 +# define int64 int64_t +# define SIZEOF_INT64 8 +#elif SIZEOF_LONG == 8 # define int64 long # define SIZEOF_INT64 8 #elif SIZEOF_INT == 8 @@ -456,11 +485,6 @@ enum msgcode { * where dev_t is a struct. */ -struct idev { - int64 ino; - int64 dev; -}; - struct idev_node { int64 key; void *data; @@ -510,42 +534,36 @@ struct idev_node { #define GID_NONE ((gid_t)-1) +union file_extras { + int32 num; + uint32 unum; +}; + 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 */ - int32 num; /* A signed number */ - 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 { - const char *root; /* Sender-side dir info outside transfer */ - int32 depth; /* Receiver-side directory depth info */ - } dir; - 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! */ + const char *dirname; /* The dir info inside the transfer */ + time_t modtime; /* When the item was last modified */ + uint32 len32; /* Lowest 32 bits of the file's length */ + uint16 mode; /* The item's type and permissions */ + uint16 flags; /* The FLAG_* bits for this item */ + const char basename[1]; /* The basename (AKA filename) follows */ }; 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 FILE_STRUCT_LEN (offsetof(struct file_struct, basename)) +#define EXTRA_LEN (sizeof (union file_extras)) +#define PTR_EXTRA_LEN ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN) #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 REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx)) +#define OPT_EXTRA(f,bump) ((union file_extras*)(f) - flist_extra_cnt - 1 - (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) +/* The length applies to all items. */ #if SIZEOF_INT64 < 8 #define F_LENGTH(f) ((int64)(f)->len32) #else @@ -554,14 +572,19 @@ extern int preserve_gid; #endif /* 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) +#define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1) + +/* The sending side always has this available: */ +#define F_ROOTDIR(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN)) + +/* The receiving side always has this available: */ +#define F_DEPTH(f) REQ_EXTRA(f, 1)->num /* 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 +#define F_UID(f) REQ_EXTRA(f, preserve_uid)->unum +#define F_GID(f) REQ_EXTRA(f, preserve_gid)->unum /* These items are per-entry optional and mutally exclusive: */ -#define F_HL_IDEV(f) OPT_EXTRA(f, LEN64_BUMP(f))->idev #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num #define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num @@ -574,7 +597,7 @@ extern int preserve_gid; + SUM_EXTRA_CNT - 1)) /* Some utility defines: */ -#define F_IS_ACTIVE(f) F_BASENAME(f)[0] +#define F_IS_ACTIVE(f) (f)->basename[0] #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED) #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST) #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)