1 /* 2 * Copyright (C) 1986-2005 The Free Software Foundation, Inc. 3 * 4 * Portions Copyright (C) 1998-2005 Derek Price, Ximbiot <http://ximbiot.com>, 5 * and others. 6 * 7 * Portions Copyright (C) 1992, Brian Berliner and Jeff Polk 8 * Portions Copyright (C) 1989-1992, Brian Berliner 9 * 10 * You may distribute under the terms of the GNU General Public License as 11 * specified in the README file that comes with the CVS source distribution. 12 * 13 * RCS source control definitions needed by rcs.c and friends 14 */ 15 16 /* Strings which indicate a conflict if they occur at the start of a line. */ 17 #define RCS_MERGE_PAT_1 "<<<<<<< " 18 #define RCS_MERGE_PAT_2 "=======\n" 19 #define RCS_MERGE_PAT_3 ">>>>>>> " 20 21 #define RCSEXT ",v" 22 #define RCSPAT "*,v" 23 #define RCSHEAD "head" 24 #define RCSBRANCH "branch" 25 #define RCSSYMBOLS "symbols" 26 #define RCSDATE "date" 27 #define RCSDESC "desc" 28 #define RCSEXPAND "expand" 29 30 /* Used by the version of death support which resulted from old 31 versions of CVS (e.g. 1.5 if you define DEATH_SUPPORT and not 32 DEATH_STATE). Only a hacked up RCS (used by those old versions of 33 CVS) will put this into RCS files. Considered obsolete. */ 34 #define RCSDEAD "dead" 35 36 #define DATEFORM "%02d.%02d.%02d.%02d.%02d.%02d" 37 #define SDATEFORM "%d.%d.%d.%d.%d.%d" 38 39 /* 40 * Opaque structure definitions used by RCS specific lookup routines 41 */ 42 #define VALID 0x1 /* flags field contains valid data */ 43 #define INATTIC 0x2 /* RCS file is located in the Attic */ 44 #define PARTIAL 0x4 /* RCS file not completly parsed */ 45 46 /* All the "char *" fields in RCSNode, Deltatext, and RCSVers are 47 '\0'-terminated (except "text" in Deltatext). This means that we 48 can't deal with fields containing '\0', which is a limitation that 49 RCS does not have. Would be nice to fix this some day. */ 50 51 struct rcsnode 52 { 53 /* Reference count for this structure. Used to deal with the 54 fact that there might be a pointer from the Vers_TS or might 55 not. Callers who increment this field are responsible for 56 calling freercsnode when they are done with their reference. */ 57 int refcount; 58 59 /* Flags (INATTIC, PARTIAL, &c), see above. */ 60 int flags; 61 62 /* File name of the RCS file. This is not necessarily the name 63 as specified by the user, but it is a name which can be passed to 64 system calls and a name which is OK to print in error messages 65 (the various names might differ in case). */ 66 char *path; 67 68 /* Use when printing paths. */ 69 char *print_path; 70 71 /* Value for head keyword from RCS header, or NULL if empty. HEAD may only 72 * be empty in a valid RCS file when the file has no revisions, a state 73 * that should not be able to occur with CVS. 74 */ 75 char *head; 76 77 /* Value for branch keyword from RCS header, or NULL if omitted. */ 78 char *branch; 79 80 /* Raw data on symbolic revisions. The first time that RCS_symbols is 81 called, we parse these into ->symbols, and free ->symbols_data. */ 82 char *symbols_data; 83 84 /* Value for expand keyword from RCS header, or NULL if omitted. */ 85 char *expand; 86 87 /* List of nodes, the key of which is the symbolic name and the data 88 of which is the numeric revision that it corresponds to (malloc'd). */ 89 List *symbols; 90 91 /* List of nodes (type RCSVERS), the key of which the numeric revision 92 number, and the data of which is an RCSVers * for the revision. */ 93 List *versions; 94 95 /* Value for access keyword from RCS header, or NULL if empty. 96 FIXME: RCS_delaccess would also seem to use "" for empty. We 97 should pick one or the other. */ 98 char *access; 99 100 /* Raw data on locked revisions. The first time that RCS_getlocks is 101 called, we parse these into ->locks, and free ->locks_data. */ 102 char *locks_data; 103 104 /* List of nodes, the key of which is the numeric revision and the 105 data of which is the user that it corresponds to (malloc'd). */ 106 List *locks; 107 108 /* Set for the strict keyword from the RCS header. */ 109 int strict_locks; 110 111 /* Value for the comment keyword from RCS header (comment leader), or 112 NULL if omitted. */ 113 char *comment; 114 115 /* Value for the desc field in the RCS file, or NULL if empty. */ 116 char *desc; 117 118 /* File offset of the first deltatext node, so we can seek there. */ 119 off_t delta_pos; 120 121 /* Newphrases from the RCS header. List of nodes, the key of which 122 is the "id" which introduces the newphrase, and the value of which 123 is the value from the newphrase. */ 124 List *other; 125 }; 126 127 typedef struct rcsnode RCSNode; 128 129 struct deltatext { 130 char *version; 131 132 /* Log message, or NULL if we do not intend to change the log message 133 (that is, RCS_copydeltas should just use the log message from the 134 file). */ 135 char *log; 136 137 /* Change text, or NULL if we do not intend to change the change text 138 (that is, RCS_copydeltas should just use the change text from the 139 file). Note that it is perfectly valid to have log be NULL and 140 text non-NULL, or vice-versa. */ 141 char *text; 142 size_t len; 143 144 /* Newphrase fields from deltatext nodes. FIXME: duplicates the 145 other field in the rcsversnode, I think. */ 146 List *other; 147 }; 148 typedef struct deltatext Deltatext; 149 150 struct rcsversnode 151 { 152 /* Duplicate of the key by which this structure is indexed. */ 153 char *version; 154 155 char *date; 156 char *author; 157 char *state; 158 char *next; 159 int dead; 160 int outdated; 161 Deltatext *text; 162 List *branches; 163 /* Newphrase fields from deltatext nodes. Also contains ";add" and 164 ";delete" magic fields (see rcs.c, log.c). I think this is 165 only used by log.c (where it looks up "log"). Duplicates the 166 other field in struct deltatext, I think. */ 167 List *other; 168 /* Newphrase fields from delta nodes. */ 169 List *other_delta; 170 #ifdef PRESERVE_PERMISSIONS_SUPPORT 171 /* Hard link information for each revision. */ 172 List *hardlinks; 173 #endif 174 }; 175 typedef struct rcsversnode RCSVers; 176 177 /* 178 * CVS reserves all even-numbered branches for its own use. "magic" branches 179 * (see rcs.c) are contained as virtual revision numbers (within symbolic 180 * tags only) off the RCS_MAGIC_BRANCH, which is 0. CVS also reserves the 181 * ".1" branch for vendor revisions. So, if you do your own branching, you 182 * should limit your use to odd branch numbers starting at 3. 183 */ 184 #define RCS_MAGIC_BRANCH 0 185 186 /* The type of a function passed to RCS_checkout. */ 187 typedef void (*RCSCHECKOUTPROC) (void *, const char *, size_t); 188 189 struct rcsbuffer; 190 191 /* What RCS_deltas is supposed to do. */ 192 enum rcs_delta_op {RCS_ANNOTATE, RCS_FETCH}; 193 194 /* 195 * exported interfaces 196 */ 197 RCSNode *RCS_parse (const char *file, const char *repos); 198 RCSNode *RCS_parsercsfile (const char *rcsfile); 199 void RCS_fully_parse (RCSNode *); 200 void RCS_reparsercsfile (RCSNode *, FILE **, struct rcsbuffer *); 201 extern int RCS_setattic (RCSNode *, int); 202 203 char *RCS_check_kflag (const char *arg); 204 char *RCS_getdate (RCSNode * rcs, const char *date, int force_tag_match); 205 char *RCS_gettag (RCSNode * rcs, const char *symtag, int force_tag_match, 206 int *simple_tag); 207 int RCS_exist_rev (RCSNode *rcs, char *rev); 208 int RCS_exist_tag (RCSNode *rcs, char *tag); 209 char *RCS_tag2rev (RCSNode *rcs, char *tag); 210 char *RCS_getversion (RCSNode *rcs, const char *tag, const char *date, 211 int force_tag_match, int *simple_tag); 212 char *RCS_magicrev (RCSNode *rcs, char *rev); 213 int RCS_isbranch (RCSNode *rcs, const char *rev); 214 int RCS_nodeisbranch (RCSNode *rcs, const char *tag); 215 char *RCS_whatbranch (RCSNode *rcs, const char *tag); 216 char *RCS_head (RCSNode * rcs); 217 int RCS_datecmp (const char *date1, const char *date2); 218 time_t RCS_getrevtime (RCSNode * rcs, const char *rev, char *date, int fudge); 219 List *RCS_symbols (RCSNode *rcs); 220 void RCS_check_tag (const char *tag); 221 int RCS_valid_rev (const char *rev); 222 List *RCS_getlocks (RCSNode *rcs); 223 void freercsnode (RCSNode ** rnodep); 224 char *RCS_getbranch (RCSNode *rcs, const char *tag, int force_tag_match); 225 char *RCS_branch_head (RCSNode *rcs, char *rev); 226 227 int RCS_isdead (RCSNode *, const char *); 228 char *RCS_getexpand (RCSNode *); 229 void RCS_setexpand (RCSNode *, const char *); 230 int RCS_checkout (RCSNode *, const char *, const char *, const char *, 231 const char *, const char *, RCSCHECKOUTPROC, void *); 232 int RCS_checkin (RCSNode *rcs, const char *update_dir, const char *workfile, 233 const char *message, const char *rev, time_t citime, 234 int flags); 235 int RCS_cmp_file (RCSNode *, const char *, char **, const char *, const char *, 236 const char * ); 237 int RCS_settag (RCSNode *, const char *, const char *); 238 int RCS_deltag (RCSNode *, const char *); 239 int RCS_setbranch (RCSNode *, const char *); 240 int RCS_lock (RCSNode *, const char *, int); 241 int RCS_unlock (RCSNode *, char *, int); 242 int RCS_delete_revs (RCSNode *, char *, char *, int); 243 void RCS_addaccess (RCSNode *, char *); 244 void RCS_delaccess (RCSNode *, char *); 245 char *RCS_getaccess (RCSNode *); 246 void RCS_rewrite (RCSNode *, Deltatext *, char *); 247 void RCS_abandon (RCSNode *); 248 int rcs_change_text (const char *, char *, size_t, const char *, 249 size_t, char **, size_t *); 250 void RCS_deltas (RCSNode *, FILE *, struct rcsbuffer *, const char *, 251 enum rcs_delta_op, char **, size_t *, 252 char **, size_t *); 253 void RCS_setincexc (void **, const char *arg); 254 void RCS_setlocalid (const char *, unsigned int, void **, const char *arg); 255 char *make_file_label (const char *, const char *, RCSNode *); 256 257 extern bool preserve_perms; 258 259 /* From import.c. */ 260 extern int add_rcs_file (const char *, const char *, const char *, 261 const char *, const char *, const char *, 262 const char *, int, char **, const char *, size_t, 263 FILE *, bool); 264 void free_keywords (void *keywords); 265
Indexes created Fri Jun 19 00:25:02 UTC 2026