Annotation of src/usr.bin/cvs/rcs.h, Revision 1.30
1.30 ! xsa 1: /* $OpenBSD: rcs.h,v 1.29 2005/05/26 01:45:54 jfb Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.2 tedu 4: * All rights reserved.
1.1 jfb 5: *
1.2 tedu 6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
1.1 jfb 9: *
1.2 tedu 10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
1.1 jfb 12: * 2. The name of the author may not be used to endorse or promote products
1.2 tedu 13: * derived from this software without specific prior written permission.
1.1 jfb 14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
1.2 tedu 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 jfb 25: */
26:
27: #ifndef RCS_H
28: #define RCS_H
29:
30: #include <sys/types.h>
31: #include <sys/queue.h>
32:
33: #include <time.h>
34:
35: #include "buf.h"
36:
1.30 ! xsa 37: #define RCS_DIFF_MAXARG 32
1.1 jfb 38: #define RCS_DIFF_DIV \
39: "==================================================================="
40:
1.30 ! xsa 41: #define RCSDIR "RCS"
! 42: #define RCS_FILE_EXT ",v"
1.1 jfb 43:
1.30 ! xsa 44: #define RCS_HEAD_BRANCH "HEAD"
! 45: #define RCS_HEAD_INIT "1.1"
! 46: #define RCS_HEAD_REV ((RCSNUM *)(-1))
1.23 jfb 47:
48:
1.30 ! xsa 49: #define RCS_SYM_INVALCHAR "$,.:;@"
1.1 jfb 50:
1.12 jfb 51:
1.30 ! xsa 52: #define RCS_STATE_EXP "Exp"
! 53: #define RCS_STATE_DEAD "dead"
1.17 jfb 54:
1.12 jfb 55: /* lock types */
1.30 ! xsa 56: #define RCS_LOCK_INVAL (-1)
! 57: #define RCS_LOCK_LOOSE 0
! 58: #define RCS_LOCK_STRICT 1
1.12 jfb 59:
60:
1.6 jfb 61: /* RCS keyword expansion modes (kflags) */
1.30 ! xsa 62: #define RCS_KWEXP_NONE 0x00
! 63: #define RCS_KWEXP_NAME 0x01 /* include keyword name */
! 64: #define RCS_KWEXP_VAL 0x02 /* include keyword value */
! 65: #define RCS_KWEXP_LKR 0x04 /* include name of locker */
! 66: #define RCS_KWEXP_OLD 0x08 /* generate old keyword string */
! 67: #define RCS_KWEXP_ERR 0x10 /* mode has an error */
1.6 jfb 68:
1.30 ! xsa 69: #define RCS_KWEXP_DEFAULT (RCS_KWEXP_NAME | RCS_KWEXP_VAL)
! 70: #define RCS_KWEXP_KVL (RCS_KWEXP_NAME | RCS_KWEXP_VAL | RCS_KWEXP_LKR)
1.6 jfb 71:
1.9 jfb 72: #define RCS_KWEXP_INVAL(k) \
1.13 jfb 73: ((k & RCS_KWEXP_ERR) || \
74: ((k & RCS_KWEXP_OLD) && (RCS_KWEXP_OLD & ~RCS_KWEXP_OLD)))
1.9 jfb 75:
1.6 jfb 76:
77:
1.30 ! xsa 78: #define RCSNUM_MAXNUM USHRT_MAX
! 79: #define RCSNUM_MAXLEN 64
1.6 jfb 80:
1.30 ! xsa 81: #define RCSNUM_ISBRANCH(n) ((n)->rn_len % 2)
1.17 jfb 82:
1.1 jfb 83:
84: /* file flags */
1.30 ! xsa 85: #define RCS_READ 0x01
! 86: #define RCS_WRITE 0x02
! 87: #define RCS_RDWR (RCS_READ|RCS_WRITE)
! 88: #define RCS_CREATE 0x04 /* create the file */
1.9 jfb 89:
90: /* internal flags */
1.30 ! xsa 91: #define RCS_PARSED 0x010000 /* file has been parsed */
! 92: #define RCS_SYNCED 0x020000 /* in-mem copy is sync with disk copy */
! 93: #define RCS_SLOCK 0x040000 /* strict lock */
1.1 jfb 94:
95: /* delta flags */
1.30 ! xsa 96: #define RCS_RD_DEAD 0x01 /* dead */
1.5 jfb 97:
1.14 jfb 98: /* RCS error codes */
1.30 ! xsa 99: #define RCS_ERR_NOERR 0
! 100: #define RCS_ERR_NOENT 1
! 101: #define RCS_ERR_DUPENT 2
! 102: #define RCS_ERR_BADNUM 3
! 103: #define RCS_ERR_BADSYM 4
! 104: #define RCS_ERR_PARSE 5
! 105: #define RCS_ERR_ERRNO 255
1.5 jfb 106:
1.1 jfb 107: typedef struct rcs_num {
1.30 ! xsa 108: u_int rn_len;
! 109: u_int16_t *rn_id;
1.1 jfb 110: } RCSNUM;
111:
112:
1.11 jfb 113: struct rcs_access {
1.30 ! xsa 114: char *ra_name;
! 115: uid_t ra_uid;
! 116: TAILQ_ENTRY(rcs_access) ra_list;
1.11 jfb 117: };
118:
1.1 jfb 119: struct rcs_sym {
1.30 ! xsa 120: char *rs_name;
! 121: RCSNUM *rs_num;
! 122: TAILQ_ENTRY(rcs_sym) rs_list;
1.1 jfb 123: };
124:
125: struct rcs_lock {
1.30 ! xsa 126: char *rl_name;
! 127: RCSNUM *rl_num;
1.1 jfb 128:
1.30 ! xsa 129: TAILQ_ENTRY(rcs_lock) rl_list;
1.1 jfb 130: };
131:
132:
133: struct rcs_branch {
1.30 ! xsa 134: RCSNUM *rb_num;
! 135: TAILQ_ENTRY(rcs_branch) rb_list;
1.1 jfb 136: };
137:
138: struct rcs_dlist {
1.30 ! xsa 139: struct rcs_delta *tqh_first;
! 140: struct rcs_delta **tqh_last;
1.1 jfb 141: };
142:
143: struct rcs_delta {
1.30 ! xsa 144: RCSNUM *rd_num;
! 145: RCSNUM *rd_next;
! 146: u_int rd_flags;
! 147: struct tm rd_date;
! 148: char *rd_author;
! 149: char *rd_state;
! 150: char *rd_log;
! 151: u_char *rd_text;
! 152: size_t rd_tlen;
! 153:
! 154: struct rcs_dlist rd_snodes;
! 155: TAILQ_HEAD(, rcs_branch) rd_branches;
! 156: TAILQ_ENTRY(rcs_delta) rd_list;
1.1 jfb 157: };
158:
159:
160: typedef struct rcs_file {
1.30 ! xsa 161: char *rf_path;
! 162: u_int rf_ref;
! 163: mode_t rf_mode;
! 164: u_int rf_flags;
! 165:
! 166: RCSNUM *rf_head;
! 167: RCSNUM *rf_branch;
! 168: char *rf_comment;
! 169: char *rf_expand;
! 170: char *rf_desc;
! 171:
! 172: u_int rf_ndelta;
! 173: struct rcs_dlist rf_delta;
! 174: TAILQ_HEAD(rcs_alist, rcs_access) rf_access;
! 175: TAILQ_HEAD(rcs_slist, rcs_sym) rf_symbols;
! 176: TAILQ_HEAD(rcs_llist, rcs_lock) rf_locks;
1.9 jfb 177:
1.30 ! xsa 178: void *rf_pdata;
1.1 jfb 179: } RCSFILE;
180:
181:
1.14 jfb 182: extern int rcs_errno;
183:
184:
1.30 ! xsa 185: RCSFILE *rcs_open(const char *, int, ...);
! 186: void rcs_close(RCSFILE *);
! 187: const RCSNUM *rcs_head_get(RCSFILE *);
! 188: int rcs_head_set(RCSFILE *, const RCSNUM *);
! 189: const RCSNUM *rcs_branch_get(RCSFILE *);
! 190: int rcs_branch_set(RCSFILE *, const RCSNUM *);
! 191: int rcs_access_add(RCSFILE *, const char *);
! 192: int rcs_access_remove(RCSFILE *, const char *);
! 193: int rcs_access_check(RCSFILE *, const char *);
! 194: int rcs_sym_add(RCSFILE *, const char *, RCSNUM *);
! 195: int rcs_sym_remove(RCSFILE *, const char *);
! 196: RCSNUM *rcs_sym_getrev(RCSFILE *, const char *);
! 197: int rcs_sym_check(const char *);
! 198: int rcs_lock_getmode(RCSFILE *);
! 199: int rcs_lock_setmode(RCSFILE *, int);
! 200: int rcs_lock_add(RCSFILE *, const char *, RCSNUM *);
! 201: int rcs_lock_remove(RCSFILE *, const RCSNUM *);
! 202: BUF *rcs_getrev(RCSFILE *, RCSNUM *);
! 203: const char *rcs_desc_get(RCSFILE *);
! 204: int rcs_desc_set(RCSFILE *, const char *);
! 205: const char *rcs_comment_lookup(const char *);
! 206: const char *rcs_comment_get(RCSFILE *);
! 207: int rcs_comment_set(RCSFILE *, const char *);
! 208: int rcs_kwexp_set(RCSFILE *, int);
! 209: int rcs_kwexp_get(RCSFILE *);
! 210: int rcs_rev_add(RCSFILE *, RCSNUM *, const char *, time_t);
! 211: int rcs_rev_remove(RCSFILE *, RCSNUM *);
! 212: RCSNUM *rcs_tag_resolve(RCSFILE *, const char *);
! 213: const char *rcs_errstr(int);
! 214:
! 215:
! 216: int rcs_kflag_get(const char *);
! 217: void rcs_kflag_usage(void);
! 218: int rcs_kw_expand(RCSFILE *, u_char *, size_t, size_t *);
! 219:
! 220: BUF *rcs_patch(const char *, const char *);
! 221:
! 222: RCSNUM *rcsnum_alloc(void);
! 223: RCSNUM *rcsnum_parse(const char *);
! 224: RCSNUM *rcsnum_brtorev(const RCSNUM *);
! 225: RCSNUM *rcsnum_revtobr(const RCSNUM *);
! 226: RCSNUM *rcsnum_inc(RCSNUM *);
! 227: void rcsnum_free(RCSNUM *);
! 228: int rcsnum_aton(const char *, char **, RCSNUM *);
! 229: char *rcsnum_tostr(const RCSNUM *, char *, size_t);
! 230: int rcsnum_cpy(const RCSNUM *, RCSNUM *, u_int);
! 231: int rcsnum_cmp(const RCSNUM *, const RCSNUM *, u_int);
1.1 jfb 232:
1.30 ! xsa 233: #endif /* RCS_H */
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