Annotation of src/usr.bin/cvs/rcs.h, Revision 1.5
1.5 ! jfb 1: /* $OpenBSD: rcs.h,v 1.4 2004/12/16 17:16:18 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:
41: #define RCS_FILE_EXT ",v"
42:
43: #define RCS_HEAD_INIT "1.1"
44:
45:
46: /* open modes */
47: #define RCS_MODE_READ 0x01
48: #define RCS_MODE_WRITE 0x02
49: #define RCS_MODE_RDWR (RCS_MODE_READ|RCS_MODE_WRITE)
50:
51:
52: /* file flags */
53: #define RCS_RF_PARSED 0x01 /* file has been parsed */
54: #define RCS_RF_SYNCED 0x02 /* in-memory copy is in sync with disk copy */
55: #define RCS_RF_SLOCK 0x04 /* strict lock */
56:
57: /* delta flags */
58: #define RCS_RD_DEAD 0x01 /* dead */
1.5 ! jfb 59:
! 60:
! 61:
! 62: #define RCSNUM_MAXNUM USHRT_MAX
! 63: #define RCSNUM_MAXLEN 64
1.1 jfb 64:
65:
66: typedef struct rcs_num {
67: u_int rn_len;
68: u_int16_t *rn_id;
69: } RCSNUM;
70:
71:
72: struct rcs_sym {
73: char *rs_name;
74: RCSNUM *rs_num;
75: TAILQ_ENTRY(rcs_sym) rs_list;
76: };
77:
78: struct rcs_lock {
79: RCSNUM *rl_num;
80:
81: TAILQ_ENTRY(rcs_lock) rl_list;
82: };
83:
84:
85: struct rcs_branch {
86: RCSNUM *rb_num;
87: TAILQ_ENTRY(rcs_branch) rb_list;
88: };
89:
90: struct rcs_dlist {
91: struct rcs_delta *tqh_first;
92: struct rcs_delta **tqh_last;
93: };
94:
95: struct rcs_delta {
96: RCSNUM *rd_num;
97: RCSNUM *rd_next;
98: u_int rd_flags;
99: struct tm rd_date;
100: char *rd_author;
101: char *rd_state;
102: char *rd_log;
103: char *rd_text;
104:
105: struct rcs_dlist rd_snodes;
106:
107: TAILQ_HEAD(, rcs_branch) rd_branches;
108: TAILQ_ENTRY(rcs_delta) rd_list;
109: };
110:
111:
112: typedef struct rcs_file {
113: char *rf_path;
114: u_int rf_ref;
115: u_int rf_mode;
116: u_int rf_flags;
117:
118: RCSNUM *rf_head;
119: RCSNUM *rf_branch;
120: char *rf_comment;
121: char *rf_expand;
122: char *rf_desc;
123:
124: struct rcs_dlist rf_delta;
125: TAILQ_HEAD(rcs_slist, rcs_sym) rf_symbols;
126: TAILQ_HEAD(rcs_llist, rcs_lock) rf_locks;
127:
128: void *rf_pdata;
129: } RCSFILE;
130:
131:
132: RCSFILE* rcs_open (const char *, u_int);
133: void rcs_close (RCSFILE *);
134: int rcs_parse (RCSFILE *);
135: int rcs_write (RCSFILE *);
136: int rcs_addsym (RCSFILE *, const char *, RCSNUM *);
137: int rcs_rmsym (RCSFILE *, const char *);
138: BUF* rcs_getrev (RCSFILE *, RCSNUM *);
1.4 jfb 139: BUF* rcs_gethead (RCSFILE *);
1.1 jfb 140: RCSNUM* rcs_getrevbydate (RCSFILE *, struct tm *);
141:
142: BUF* rcs_patch (const char *, const char *);
143: size_t rcs_stresc (int, const char *, char *, size_t *);
144:
145: RCSNUM* rcsnum_alloc (void);
146: void rcsnum_free (RCSNUM *);
147: int rcsnum_aton (const char *, char **, RCSNUM *);
148: char* rcsnum_tostr (const RCSNUM *, char *, size_t);
149: int rcsnum_cpy (const RCSNUM *, RCSNUM *, u_int);
150: int rcsnum_cmp (const RCSNUM *, const RCSNUM *, u_int);
151:
1.3 jfb 152: /* from cache.c */
153: int rcs_cache_init (u_int);
154: RCSFILE *rcs_cache_fetch (const char *path);
155: int rcs_cache_store (RCSFILE *);
156: void rcs_cache_destroy (void);
1.1 jfb 157:
158: #endif /* RCS_H */
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