/* * 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 *)); 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 *));