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Annotation of src/usr.bin/cvs/rcs.h, Revision 1.4

1.4     ! jfb         1: /*     $OpenBSD: rcs.h,v 1.3 2004/12/15 05:09:06 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 */
                     59:
                     60:
                     61: typedef struct rcs_num {
                     62:        u_int      rn_len;
                     63:        u_int16_t *rn_id;
                     64: } RCSNUM;
                     65:
                     66:
                     67: struct rcs_sym {
                     68:        char    *rs_name;
                     69:        RCSNUM  *rs_num;
                     70:        TAILQ_ENTRY(rcs_sym) rs_list;
                     71: };
                     72:
                     73: struct rcs_lock {
                     74:        RCSNUM   *rl_num;
                     75:
                     76:        TAILQ_ENTRY(rcs_lock) rl_list;
                     77: };
                     78:
                     79:
                     80: struct rcs_branch {
                     81:        RCSNUM  *rb_num;
                     82:        TAILQ_ENTRY(rcs_branch) rb_list;
                     83: };
                     84:
                     85: struct rcs_dlist {
                     86:        struct rcs_delta *tqh_first;
                     87:        struct rcs_delta **tqh_last;
                     88: };
                     89:
                     90: struct rcs_delta {
                     91:        RCSNUM      *rd_num;
                     92:        RCSNUM      *rd_next;
                     93:        u_int        rd_flags;
                     94:        struct tm    rd_date;
                     95:        char        *rd_author;
                     96:        char        *rd_state;
                     97:        char        *rd_log;
                     98:        char        *rd_text;
                     99:
                    100:        struct rcs_dlist rd_snodes;
                    101:
                    102:        TAILQ_HEAD(, rcs_branch) rd_branches;
                    103:        TAILQ_ENTRY(rcs_delta)  rd_list;
                    104: };
                    105:
                    106:
                    107: typedef struct rcs_file {
                    108:        char   *rf_path;
                    109:        u_int   rf_ref;
                    110:        u_int   rf_mode;
                    111:        u_int   rf_flags;
                    112:
                    113:        RCSNUM *rf_head;
                    114:        RCSNUM *rf_branch;
                    115:        char   *rf_comment;
                    116:        char   *rf_expand;
                    117:        char   *rf_desc;
                    118:
                    119:        struct rcs_dlist rf_delta;
                    120:        TAILQ_HEAD(rcs_slist, rcs_sym)   rf_symbols;
                    121:        TAILQ_HEAD(rcs_llist, rcs_lock)  rf_locks;
                    122:
                    123:        void   *rf_pdata;
                    124: } RCSFILE;
                    125:
                    126:
                    127: RCSFILE*  rcs_open         (const char *, u_int);
                    128: void      rcs_close        (RCSFILE *);
                    129: int       rcs_parse        (RCSFILE *);
                    130: int       rcs_write        (RCSFILE *);
                    131: int       rcs_addsym       (RCSFILE *, const char *, RCSNUM *);
                    132: int       rcs_rmsym        (RCSFILE *, const char *);
                    133: BUF*      rcs_getrev       (RCSFILE *, RCSNUM *);
1.4     ! jfb       134: BUF*      rcs_gethead      (RCSFILE *);
1.1       jfb       135: RCSNUM*   rcs_getrevbydate (RCSFILE *, struct tm *);
                    136:
                    137: BUF*      rcs_patch     (const char *, const char *);
                    138: size_t    rcs_stresc    (int, const char *, char *, size_t *);
                    139:
                    140: RCSNUM*   rcsnum_alloc  (void);
                    141: void      rcsnum_free   (RCSNUM *);
                    142: int       rcsnum_aton   (const char *, char **, RCSNUM *);
                    143: char*     rcsnum_tostr  (const RCSNUM *, char *, size_t);
                    144: int       rcsnum_cpy    (const RCSNUM *, RCSNUM *, u_int);
                    145: int       rcsnum_cmp    (const RCSNUM *, const RCSNUM *, u_int);
                    146:
1.3       jfb       147: /* from cache.c */
                    148: int       rcs_cache_init    (u_int);
                    149: RCSFILE  *rcs_cache_fetch   (const char *path);
                    150: int       rcs_cache_store   (RCSFILE *);
                    151: void      rcs_cache_destroy (void);
1.1       jfb       152:
                    153: #endif /* RCS_H */