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/*
* Copyright (c) 1992, Brian Berliner and Jeff Polk
* Copyright (c) 1989-1992, Brian Berliner
*
* You may distribute under the terms of the GNU General Public License as
* specified in the README file that comes with the CVS source distribution.
*
* RCS source control definitions needed by rcs.c and friends
*/
/* String which indicates a conflict if it occurs at the start of a line. */
#define RCS_MERGE_PAT ">>>>>>> "
#define RCSEXT ",v"
#define RCSPAT "*,v"
#define RCSHEAD "head"
#define RCSBRANCH "branch"
#define RCSSYMBOLS "symbols"
#define RCSDATE "date"
#define RCSDESC "desc"
#define RCSEXPAND "expand"
/* Used by the version of death support which resulted from old
versions of CVS (e.g. 1.5 if you define DEATH_SUPPORT and not
DEATH_STATE). Only a hacked up RCS (used by those old versions of
CVS) will put this into RCS files. Considered obsolete. */
#define RCSDEAD "dead"
#define DATEFORM "%02d.%02d.%02d.%02d.%02d.%02d"
#define SDATEFORM "%d.%d.%d.%d.%d.%d"
/*
* Opaque structure definitions used by RCS specific lookup routines
*/
#define VALID 0x1 /* flags field contains valid data */
#define INATTIC 0x2 /* RCS file is located in the Attic */
#define PARTIAL 0x4 /* RCS file not completly parsed */
/* All the "char *" fields in RCSNode, Deltatext, and RCSVers are
'\0'-terminated (except "text" in Deltatext). This means that we
can't deal with fields containing '\0', which is a limitation that
RCS does not have. Would be nice to fix this some day. */
struct rcsnode
{
/* Reference count for this structure. Used to deal with the
fact that there might be a pointer from the Vers_TS or might
not. Callers who increment this field are responsible for
calling freercsnode when they are done with their reference. */
int refcount;
/* Flags (INATTIC, PARTIAL, &c), see above. */
int flags;
/* File name of the RCS file. This is not necessarily the name
as specified by the user, but it is a name which can be passed to
system calls and a name which is OK to print in error messages
(the various names might differ in case). */
char *path;
/* Value for head keyword from RCS header, or NULL if empty. */
char *head;
/* Value for branch keyword from RCS header, or NULL if omitted. */
char *branch;
/* Raw data on symbolic revisions. The first time that RCS_symbols is
called, we parse these into ->symbols, and free ->symbols_data. */
char *symbols_data;
/* Value for expand keyword from RCS header, or NULL if omitted. */
char *expand;
/* List of nodes, the key of which is the symbolic name and the data
of which is the numeric revision that it corresponds to (malloc'd). */
List *symbols;
/* List of nodes (type RCSVERS), the key of which the numeric revision
number, and the data of which is an RCSVers * for the revision. */
List *versions;
/* Value for access keyword from RCS header, or NULL if empty.
FIXME: RCS_delaccess would also seem to use "" for empty. We
should pick one or the other. */
char *access;
/* Raw data on locked revisions. The first time that RCS_getlocks is
called, we parse these into ->locks, and free ->locks_data. */
char *locks_data;
/* List of nodes, the key of which is the numeric revision and the
data of which is the user that it corresponds to (malloc'd). */
List *locks;
/* Set for the strict keyword from the RCS header. */
int strict_locks;
/* Value for the comment keyword from RCS header (comment leader), or
NULL if omitted. */
char *comment;
/* Value for the desc field in the RCS file, or NULL if empty. */
char *desc;
/* File offset of the first deltatext node, so we can seek there. */
long delta_pos;
/* Newphrases from the RCS header. List of nodes, the key of which
is the "id" which introduces the newphrase, and the value of which
is the value from the newphrase. */
List *other;
};
typedef struct rcsnode RCSNode;
struct deltatext {
char *version;
/* Log message, or NULL if we do not intend to change the log message
(that is, RCS_copydeltas should just use the log message from the
file). */
char *log;
/* Change text, or NULL if we do not intend to change the change text
(that is, RCS_copydeltas should just use the change text from the
file). Note that it is perfectly legal to have log be NULL and
text non-NULL, or vice-versa. */
char *text;
size_t len;
/* Newphrase fields from deltatext nodes. FIXME: duplicates the
other field in the rcsversnode, I think. */
List *other;
};
typedef struct deltatext Deltatext;
struct rcsversnode
{
/* Duplicate of the key by which this structure is indexed. */
char *version;
char *date;
char *author;
char *state;
char *next;
int dead;
int outdated;
Deltatext *text;
List *branches;
/* Newphrase fields from deltatext nodes. Also contains ";add" and
";delete" magic fields (see rcs.c, log.c). I think this is
only used by log.c (where it looks up "log"). Duplicates the
other field in struct deltatext, I think. */
List *other;
/* Newphrase fields from delta nodes. */
List *other_delta;
#ifdef PRESERVE_PERMISSIONS_SUPPORT
/* Hard link information for each revision. */
List *hardlinks;
#endif
};
typedef struct rcsversnode RCSVers;
/*
* CVS reserves all even-numbered branches for its own use. "magic" branches
* (see rcs.c) are contained as virtual revision numbers (within symbolic
* tags only) off the RCS_MAGIC_BRANCH, which is 0. CVS also reserves the
* ".1" branch for vendor revisions. So, if you do your own branching, you
* should limit your use to odd branch numbers starting at 3.
*/
#define RCS_MAGIC_BRANCH 0
/* The type of a function passed to RCS_checkout. */
typedef void (*RCSCHECKOUTPROC) PROTO ((void *, const char *, size_t));
#ifdef __STDC__
struct rcsbuffer;
#endif
/*
* exported interfaces
*/
RCSNode *RCS_parse PROTO((const char *file, const char *repos));
RCSNode *RCS_parsercsfile PROTO((char *rcsfile));
void RCS_fully_parse PROTO((RCSNode *));
void RCS_reparsercsfile PROTO((RCSNode *, FILE **, struct rcsbuffer *));
char *RCS_check_kflag PROTO((const char *arg));
char *RCS_getdate PROTO((RCSNode * rcs, char *date, int force_tag_match));
char *RCS_gettag PROTO((RCSNode * rcs, char *symtag, int force_tag_match,
int *simple_tag));
int RCS_exist_rev PROTO((RCSNode *rcs, char *rev));
int RCS_exist_tag PROTO((RCSNode *rcs, char *tag));
char *RCS_tag2rev PROTO((RCSNode *rcs, char *tag));
char *RCS_getversion PROTO((RCSNode * rcs, char *tag, char *date,
int force_tag_match, int *simple_tag));
char *RCS_magicrev PROTO((RCSNode *rcs, char *rev));
int RCS_isbranch PROTO((RCSNode *rcs, const char *rev));
int RCS_nodeisbranch PROTO((RCSNode *rcs, const char *tag));
char *RCS_whatbranch PROTO((RCSNode *rcs, const char *tag));
char *RCS_head PROTO((RCSNode * rcs));
int RCS_datecmp PROTO((char *date1, char *date2));
time_t RCS_getrevtime PROTO((RCSNode * rcs, char *rev, char *date, int fudge));
List *RCS_symbols PROTO((RCSNode *rcs));
void RCS_check_tag PROTO((const char *tag));
int RCS_valid_rev PROTO ((char *rev));
List *RCS_getlocks PROTO((RCSNode *rcs));
void freercsnode PROTO((RCSNode ** rnodep));
char *RCS_getbranch PROTO((RCSNode * rcs, char *tag, int force_tag_match));
char *RCS_branch_head PROTO ((RCSNode *rcs, char *rev));
int RCS_isdead PROTO((RCSNode *, const char *));
char *RCS_getexpand PROTO ((RCSNode *));
int RCS_checkout PROTO ((RCSNode *, char *, char *, char *, char *, char *,
RCSCHECKOUTPROC, void *));
int RCS_checkin PROTO ((RCSNode *rcs, char *workfile, char *message,
char *rev, int flags));
int RCS_cmp_file PROTO ((RCSNode *, char *, char *, const char *));
int RCS_settag PROTO ((RCSNode *, const char *, const char *));
int RCS_deltag PROTO ((RCSNode *, const char *));
int RCS_setbranch PROTO((RCSNode *, const char *));
int RCS_lock PROTO ((RCSNode *, const char *, int));
int RCS_unlock PROTO ((RCSNode *, const char *, int));
int RCS_delete_revs PROTO ((RCSNode *, char *, char *, int));
void RCS_addaccess PROTO ((RCSNode *, char *));
void RCS_delaccess PROTO ((RCSNode *, char *));
char *RCS_getaccess PROTO ((RCSNode *));
void RCS_rewrite PROTO ((RCSNode *, Deltatext *, char *));
int rcs_change_text PROTO ((const char *, char *, size_t, const char *,
size_t, char **, size_t *));
void RCS_setincexc PROTO ((const char *arg));
void RCS_setlocalid PROTO ((const char *arg));
char *make_file_label PROTO ((char *, char *, RCSNode *));
extern int preserve_perms;
/* From import.c. */
extern int add_rcs_file PROTO ((char *, char *, char *, char *, char *,
char *, char *, int, char **,
char *, size_t, FILE *));
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