Annotation of src/usr.bin/cvs/rcs.h, Revision 1.16
1.16 ! jfb 1: /* $OpenBSD: rcs.h,v 1.15 2005/03/05 18:25:30 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:
37: #define RCS_DIFF_MAXARG 32
38: #define RCS_DIFF_DIV \
39: "==================================================================="
40:
1.14 jfb 41: #define RCSDIR "RCS"
1.1 jfb 42: #define RCS_FILE_EXT ",v"
43:
44: #define RCS_HEAD_INIT "1.1"
45:
1.12 jfb 46:
47: /* lock types */
48: #define RCS_LOCK_LOOSE 0
49: #define RCS_LOCK_STRICT 1
50:
51:
1.6 jfb 52: /* RCS keyword expansion modes (kflags) */
53: #define RCS_KWEXP_NONE 0x00
54: #define RCS_KWEXP_NAME 0x01 /* include keyword name */
55: #define RCS_KWEXP_VAL 0x02 /* include keyword value */
56: #define RCS_KWEXP_LKR 0x04 /* include name of locker */
57: #define RCS_KWEXP_OLD 0x08 /* generate old keyword string */
58: #define RCS_KWEXP_ERR 0x10 /* mode has an error */
59:
60: #define RCS_KWEXP_DEFAULT (RCS_KWEXP_NAME | RCS_KWEXP_VAL)
61: #define RCS_KWEXP_KVL (RCS_KWEXP_NAME | RCS_KWEXP_VAL | RCS_KWEXP_LKR)
62:
1.9 jfb 63: #define RCS_KWEXP_INVAL(k) \
1.13 jfb 64: ((k & RCS_KWEXP_ERR) || \
65: ((k & RCS_KWEXP_OLD) && (RCS_KWEXP_OLD & ~RCS_KWEXP_OLD)))
1.9 jfb 66:
1.6 jfb 67:
68:
69: #define RCSNUM_MAXNUM USHRT_MAX
70: #define RCSNUM_MAXLEN 64
71:
1.1 jfb 72:
73: /* file flags */
1.9 jfb 74: #define RCS_READ 0x01
75: #define RCS_WRITE 0x02
76: #define RCS_RDWR (RCS_READ|RCS_WRITE)
77: #define RCS_CREATE 0x04 /* create the file */
78:
79: /* internal flags */
80: #define RCS_PARSED 0x010000 /* file has been parsed */
81: #define RCS_SYNCED 0x020000 /* in-memory copy is in sync with disk copy */
82: #define RCS_SLOCK 0x040000 /* strict lock */
1.1 jfb 83:
84: /* delta flags */
85: #define RCS_RD_DEAD 0x01 /* dead */
1.5 jfb 86:
1.14 jfb 87: /* RCS error codes */
88: #define RCS_ERR_NOERR 0
89: #define RCS_ERR_NOENT 1
90: #define RCS_ERR_DUPENT 2
91: #define RCS_ERR_BADNUM 3
92:
1.5 jfb 93:
1.1 jfb 94: typedef struct rcs_num {
95: u_int rn_len;
96: u_int16_t *rn_id;
97: } RCSNUM;
98:
99:
1.11 jfb 100: struct rcs_access {
101: char *ra_name;
102: uid_t ra_uid;
103: TAILQ_ENTRY(rcs_access) ra_list;
104: };
105:
1.1 jfb 106: struct rcs_sym {
107: char *rs_name;
108: RCSNUM *rs_num;
109: TAILQ_ENTRY(rcs_sym) rs_list;
110: };
111:
112: struct rcs_lock {
113: RCSNUM *rl_num;
114:
115: TAILQ_ENTRY(rcs_lock) rl_list;
116: };
117:
118:
119: struct rcs_branch {
120: RCSNUM *rb_num;
121: TAILQ_ENTRY(rcs_branch) rb_list;
122: };
123:
124: struct rcs_dlist {
125: struct rcs_delta *tqh_first;
126: struct rcs_delta **tqh_last;
127: };
128:
129: struct rcs_delta {
130: RCSNUM *rd_num;
131: RCSNUM *rd_next;
132: u_int rd_flags;
133: struct tm rd_date;
134: char *rd_author;
135: char *rd_state;
136: char *rd_log;
137: char *rd_text;
138:
139: struct rcs_dlist rd_snodes;
140:
141: TAILQ_HEAD(, rcs_branch) rd_branches;
142: TAILQ_ENTRY(rcs_delta) rd_list;
143: };
144:
145:
146: typedef struct rcs_file {
147: char *rf_path;
148: u_int rf_ref;
1.9 jfb 149: mode_t rf_mode;
1.1 jfb 150: u_int rf_flags;
151:
152: RCSNUM *rf_head;
153: RCSNUM *rf_branch;
154: char *rf_comment;
155: char *rf_expand;
156: char *rf_desc;
157:
1.9 jfb 158: u_int rf_ndelta;
1.11 jfb 159: struct rcs_dlist rf_delta;
160: TAILQ_HEAD(rcs_alist, rcs_access) rf_access;
161: TAILQ_HEAD(rcs_slist, rcs_sym) rf_symbols;
162: TAILQ_HEAD(rcs_llist, rcs_lock) rf_locks;
1.9 jfb 163:
1.1 jfb 164:
165: void *rf_pdata;
166: } RCSFILE;
167:
168:
1.14 jfb 169: extern int rcs_errno;
170:
171:
1.16 ! jfb 172: RCSFILE* rcs_open (const char *, int, ...);
! 173: void rcs_close (RCSFILE *);
! 174: const RCSNUM* rcs_branch_get (RCSFILE *);
! 175: int rcs_branch_set (RCSFILE *, const RCSNUM *);
! 176: int rcs_access_add (RCSFILE *, const char *);
! 177: int rcs_access_remove (RCSFILE *, const char *);
! 178: int rcs_access_check (RCSFILE *, const char *);
! 179: int rcs_sym_add (RCSFILE *, const char *, RCSNUM *);
! 180: int rcs_sym_remove (RCSFILE *, const char *);
! 181: RCSNUM* rcs_sym_getrev (RCSFILE *, const char *);
! 182: int rcs_lock_getmode (RCSFILE *);
! 183: int rcs_lock_setmode (RCSFILE *, int);
! 184: BUF* rcs_getrev (RCSFILE *, RCSNUM *);
! 185: BUF* rcs_gethead (RCSFILE *);
! 186: RCSNUM* rcs_getrevbydate (RCSFILE *, struct tm *);
! 187: const char* rcs_desc_get (RCSFILE *);
! 188: int rcs_desc_set (RCSFILE *, const char *);
! 189: const char* rcs_comment_get (RCSFILE *);
! 190: int rcs_comment_set (RCSFILE *, const char *);
! 191: int rcs_kwexp_set (RCSFILE *, int);
! 192: int rcs_kwexp_get (RCSFILE *);
! 193: const char* rcs_errstr (int);
1.6 jfb 194:
195: int rcs_kflag_get (const char *);
1.7 jfb 196: void rcs_kflag_usage (void);
1.9 jfb 197: int rcs_kw_expand (RCSFILE *, u_char *, size_t, size_t *);
1.1 jfb 198:
199: BUF* rcs_patch (const char *, const char *);
200: size_t rcs_stresc (int, const char *, char *, size_t *);
201:
202: RCSNUM* rcsnum_alloc (void);
1.8 jfb 203: RCSNUM* rcsnum_parse (const char *);
1.1 jfb 204: void rcsnum_free (RCSNUM *);
205: int rcsnum_aton (const char *, char **, RCSNUM *);
206: char* rcsnum_tostr (const RCSNUM *, char *, size_t);
207: int rcsnum_cpy (const RCSNUM *, RCSNUM *, u_int);
208: int rcsnum_cmp (const RCSNUM *, const RCSNUM *, u_int);
209:
1.3 jfb 210: /* from cache.c */
211: int rcs_cache_init (u_int);
212: RCSFILE *rcs_cache_fetch (const char *path);
213: int rcs_cache_store (RCSFILE *);
214: void rcs_cache_destroy (void);
1.1 jfb 215:
216: #endif /* RCS_H */
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