X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/1d2ca0070348a7527bb323c483e4e138ff2ff2da..13710874ce907cd9405f83814cbebbe73f884e2e:/rsync.h

diff --git a/rsync.h b/rsync.h
index 4e7a2f44..74fd0a91 100644
--- a/rsync.h
+++ b/rsync.h
@@ -43,26 +43,26 @@
 #define XMIT_TOP_DIR (1<<0)
 #define XMIT_SAME_MODE (1<<1)
 #define XMIT_SAME_RDEV_pre28 (1<<2)	/* protocols 20 - 27  */
-#define XMIT_EXTENDED_FLAGS (1<<2)	/* protocols 28 - NOW */
+#define XMIT_EXTENDED_FLAGS (1<<2)	/* protocols 28 - now */
 #define XMIT_SAME_UID (1<<3)
 #define XMIT_SAME_GID (1<<4)
 #define XMIT_SAME_NAME (1<<5)
 #define XMIT_LONG_NAME (1<<6)
 #define XMIT_SAME_TIME (1<<7)
-#define XMIT_SAME_RDEV_MAJOR (1<<8)	/* protocols 28 - NOW (devices only) */
-#define XMIT_NON_XFER_DIR (1<<8)	/* protocols 30 - NOW (dirs only) */
-#define XMIT_HLINKED (1<<9)		/* protocols 28 - NOW */
+#define XMIT_SAME_RDEV_MAJOR (1<<8)	/* protocols 28 - now (devices only) */
+#define XMIT_NON_XFER_DIR (1<<8)	/* protocols 30 - now (dirs only) */
+#define XMIT_HLINKED (1<<9)		/* protocols 28 - now */
 #define XMIT_SAME_DEV_pre30 (1<<10)	/* protocols 28 - 29  */
-#define XMIT_USER_NAME_FOLLOWS (1<<10)	/* protocols 30 - NOW */
+#define XMIT_USER_NAME_FOLLOWS (1<<10)	/* protocols 30 - now */
 #define XMIT_RDEV_MINOR_8_pre30 (1<<11)	/* protocols 28 - 29  */
-#define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - NOW */
-#define XMIT_HLINK_FIRST (1<<12)	/* protocols 30 - NOW (HLINKED files only) */
+#define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */
+#define XMIT_HLINK_FIRST (1<<12)	/* protocols 30 - now (HLINKED files only) */
 
 /* These flags are used in the live flist data. */
 
 #define FLAG_TOP_DIR (1<<0)	/* sender/receiver/generator */
 #define FLAG_FILE_SENT (1<<1)	/* sender/receiver/generator */
-#define FLAG_DIR_CHANGED (1<<1)	/* generator */
+#define FLAG_DIR_CREATED (1<<1)	/* generator */
 #define FLAG_XFER_DIR (1<<2)	/* sender/receiver/generator */
 #define FLAG_MOUNT_DIR (1<<3)	/* sender/generator */
 #define FLAG_DUPLICATE (1<<4)	/* sender */
@@ -89,7 +89,7 @@
 /* This is used when working on a new protocol version in CVS, and should
  * be a new non-zero value for each CVS change that affects the protocol.
  * It must ALWAYS be 0 when the protocol goes final! */
-#define SUBPROTOCOL_VERSION 5
+#define SUBPROTOCOL_VERSION 9
 
 /* 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
@@ -370,9 +370,15 @@ enum msgcode {
 #ifndef ICONV_CONST
 #define ICONV_CONST
 #endif
-#elif defined ICONV_CONST
+#else
+#ifdef ICONV_CONST
 #undef ICONV_CONST
 #endif
+#ifdef iconv_t
+#undef iconv_t
+#endif
+#define iconv_t int
+#endif
 
 #include <assert.h>
 
@@ -491,37 +497,26 @@ enum msgcode {
 # define SIZEOF_INT64 SIZEOF_OFF_T
 #endif
 
-/* Starting from protocol version 26, we always use 64-bit
- * ino_t and dev_t internally, even if this platform does not
- * allow files to have 64-bit inums.  That's because the
- * receiver needs to find duplicate (dev,ino) tuples to detect
- * hardlinks, and it might have files coming from a platform
- * that has 64-bit inums.
- *
- * The only exception is if we're on a platform with no 64-bit type at
- * all.
- *
- * Because we use read_longint() to get these off the wire, if you
- * transfer devices or hardlinks with dev or inum > 2**32 to a machine
- * with no 64-bit types then you will get an overflow error.  Probably
- * not many people have that combination of machines, and you can
- * avoid it by not preserving hardlinks or not transferring device
- * nodes.  It's not clear that any other behaviour is better.
- *
- * Note that if you transfer devices from a 64-bit-devt machine (say,
- * Solaris) to a 32-bit-devt machine (say, Linux-2.2/x86) then the
- * device numbers will be truncated.  But it's a kind of silly thing
- * to do anyhow.
- *
- * FIXME: I don't think the code in flist.c has ever worked on a system
- * where dev_t is a struct.
- */
+struct hashtable {
+	void *nodes;
+	int32 size, entries;
+	uint32 node_size;
+};
 
-struct idev_node {
-	int64 key;
+struct ht_int32_node {
+	void *data;
+	int32 key;
+};
+
+struct ht_int64_node {
 	void *data;
+	int64 key;
 };
 
+#define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size))
+#define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \
+			 : (int64)((struct ht_int32_node*)(node))->key)
+
 #ifndef MIN
 #define MIN(a,b) ((a)<(b)?(a):(b))
 #endif
@@ -581,6 +576,7 @@ struct file_struct {
 };
 
 extern int file_extra_cnt;
+extern int inc_recurse;
 extern int uid_ndx;
 extern int gid_ndx;
 extern int acls_ndx;
@@ -588,7 +584,7 @@ extern int xattrs_ndx;
 
 #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 PTR_EXTRA_CNT ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
 #define DEV_EXTRA_CNT 2
 #define DIRNODE_EXTRA_CNT 3
 #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN)
@@ -597,7 +593,7 @@ extern int xattrs_ndx;
 #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
 
 #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
-#define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 1 : 0)
+#define HLINK_BUMP(f) ((f)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0)
 #define ACL_BUMP(f) (acls_ndx ? 1 : 0)
 
 /* The length applies to all items. */
@@ -612,7 +608,7 @@ extern int xattrs_ndx;
 #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
 
 /* The sending side always has this available: */
-#define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN))
+#define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_CNT))
 
 /* The receiving side always has this available: */
 #define F_DEPTH(f) REQ_EXTRA(f, 1)->num
@@ -626,9 +622,11 @@ extern int xattrs_ndx;
 
 /* These items are per-entry optional: */
 #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num /* non-dirs */
-#define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num /* non-dirs */
+#define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f)+inc_recurse)->num /* non-dirs */
 #define F_DIR_NODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) \
 				+ DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */
+#define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + DIRNODE_EXTRA_CNT \
+				+ PTR_EXTRA_CNT - 1)->num) /* sender dirs */
 #define F_DIR_DEFACL(f) OPT_EXTRA(f, LEN64_BUMP(f))->unum /* receiver dirs */
 #define F_DIR_DEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + ACL_BUMP(f) \
 				+ DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */
@@ -648,9 +646,11 @@ extern int xattrs_ndx;
 #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)
 
+/* These access the F_DIR_DEV_P() and F_RDEV_P() values: */
 #define DEV_MAJOR(a) (a)[0]
 #define DEV_MINOR(a) (a)[1]
 
+/* These access the F_DIRS_NODE_P() values: */
 #define DIR_PARENT(a) (a)[0]
 #define DIR_FIRST_CHILD(a) (a)[1]
 #define DIR_NEXT_SIBLING(a) (a)[2]
@@ -791,6 +791,33 @@ typedef struct {
 #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 is_dot_dir;
+	char fname[1]; /* has variable size */
+} relnamecache;
+
 #include "byteorder.h"
 #include "lib/mdigest.h"
 #include "lib/wildmatch.h"
@@ -819,7 +846,7 @@ typedef struct {
 #ifdef SUPPORT_XATTRS
     item_list *xattr;
 #endif
-} statx;
+} stat_x;
 
 #define ACL_READY(sx) ((sx).acc_acl != NULL)
 #define XATTR_READY(sx) ((sx).xattr != NULL)
@@ -987,9 +1014,11 @@ extern int errno;
 #define NS(s) ((s)?(s):"<NULL>")
 
 /* Convenient wrappers for malloc and realloc.  Use them. */
-#define new(type) ((type *)malloc(sizeof(type)))
-#define new_array(type, num) ((type *)_new_array(sizeof(type), (num)))
-#define realloc_array(ptr, type, num) ((type *)_realloc_array((ptr), sizeof(type), (num)))
+#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 *, ...)
@@ -1049,65 +1078,3 @@ int inet_pton(int af, const char *src, void *dst);
 #ifdef MAINTAINER_MODE
 const char *get_panic_action(void);
 #endif
-
-static inline int to_wire_mode(mode_t mode)
-{
-#ifdef SUPPORT_LINKS
-#if _S_IFLNK != 0120000
-	if (S_ISLNK(mode))
-		return (mode & ~(_S_IFMT)) | 0120000;
-#endif
-#endif
-	return mode;
-}
-
-static inline mode_t from_wire_mode(int mode)
-{
-#if _S_IFLNK != 0120000
-	if ((mode & (_S_IFMT)) == 0120000)
-		return (mode & ~(_S_IFMT)) | _S_IFLNK;
-#endif
-	return mode;
-}
-
-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);
-}