/* $OpenBSD: rcs.h,v 1.21 2005/04/13 15:50:49 jfb Exp $ */ /* * Copyright (c) 2004 Jean-Francois Brousseau * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef RCS_H #define RCS_H #include #include #include #include "buf.h" #define RCS_DIFF_MAXARG 32 #define RCS_DIFF_DIV \ "===================================================================" #define RCSDIR "RCS" #define RCS_FILE_EXT ",v" #define RCS_HEAD_BRANCH "HEAD" #define RCS_HEAD_INIT "1.1" #define RCS_HEAD_REV ((RCSNUM *)(-1)) #define RCS_STATE_EXP "Exp" #define RCS_STATE_DEAD "dead" /* lock types */ #define RCS_LOCK_LOOSE 0 #define RCS_LOCK_STRICT 1 /* RCS keyword expansion modes (kflags) */ #define RCS_KWEXP_NONE 0x00 #define RCS_KWEXP_NAME 0x01 /* include keyword name */ #define RCS_KWEXP_VAL 0x02 /* include keyword value */ #define RCS_KWEXP_LKR 0x04 /* include name of locker */ #define RCS_KWEXP_OLD 0x08 /* generate old keyword string */ #define RCS_KWEXP_ERR 0x10 /* mode has an error */ #define RCS_KWEXP_DEFAULT (RCS_KWEXP_NAME | RCS_KWEXP_VAL) #define RCS_KWEXP_KVL (RCS_KWEXP_NAME | RCS_KWEXP_VAL | RCS_KWEXP_LKR) #define RCS_KWEXP_INVAL(k) \ ((k & RCS_KWEXP_ERR) || \ ((k & RCS_KWEXP_OLD) && (RCS_KWEXP_OLD & ~RCS_KWEXP_OLD))) #define RCSNUM_MAXNUM USHRT_MAX #define RCSNUM_MAXLEN 64 #define RCSNUM_ISBRANCH(n) (((n)->rn_len % 2) == 0) /* file flags */ #define RCS_READ 0x01 #define RCS_WRITE 0x02 #define RCS_RDWR (RCS_READ|RCS_WRITE) #define RCS_CREATE 0x04 /* create the file */ /* internal flags */ #define RCS_PARSED 0x010000 /* file has been parsed */ #define RCS_SYNCED 0x020000 /* in-memory copy is in sync with disk copy */ #define RCS_SLOCK 0x040000 /* strict lock */ /* delta flags */ #define RCS_RD_DEAD 0x01 /* dead */ /* RCS error codes */ #define RCS_ERR_NOERR 0 #define RCS_ERR_NOENT 1 #define RCS_ERR_DUPENT 2 #define RCS_ERR_BADNUM 3 typedef struct rcs_num { u_int rn_len; u_int16_t *rn_id; } RCSNUM; struct rcs_access { char *ra_name; uid_t ra_uid; TAILQ_ENTRY(rcs_access) ra_list; }; struct rcs_sym { char *rs_name; RCSNUM *rs_num; TAILQ_ENTRY(rcs_sym) rs_list; }; struct rcs_lock { char *rl_name; RCSNUM *rl_num; TAILQ_ENTRY(rcs_lock) rl_list; }; struct rcs_branch { RCSNUM *rb_num; TAILQ_ENTRY(rcs_branch) rb_list; }; struct rcs_dlist { struct rcs_delta *tqh_first; struct rcs_delta **tqh_last; }; struct rcs_delta { RCSNUM *rd_num; RCSNUM *rd_next; u_int rd_flags; struct tm rd_date; char *rd_author; char *rd_state; char *rd_log; u_char *rd_text; size_t rd_tlen; struct rcs_dlist rd_snodes; TAILQ_HEAD(, rcs_branch) rd_branches; TAILQ_ENTRY(rcs_delta) rd_list; }; typedef struct rcs_file { char *rf_path; u_int rf_ref; mode_t rf_mode; u_int rf_flags; RCSNUM *rf_head; RCSNUM *rf_branch; char *rf_comment; char *rf_expand; char *rf_desc; u_int rf_ndelta; struct rcs_dlist rf_delta; TAILQ_HEAD(rcs_alist, rcs_access) rf_access; TAILQ_HEAD(rcs_slist, rcs_sym) rf_symbols; TAILQ_HEAD(rcs_llist, rcs_lock) rf_locks; void *rf_pdata; } RCSFILE; extern int rcs_errno; RCSFILE* rcs_open (const char *, int, ...); void rcs_close (RCSFILE *); const RCSNUM* rcs_head_get (RCSFILE *); int rcs_head_set (RCSFILE *, const RCSNUM *); const RCSNUM* rcs_branch_get (RCSFILE *); int rcs_branch_set (RCSFILE *, const RCSNUM *); int rcs_access_add (RCSFILE *, const char *); int rcs_access_remove (RCSFILE *, const char *); int rcs_access_check (RCSFILE *, const char *); int rcs_sym_add (RCSFILE *, const char *, RCSNUM *); int rcs_sym_remove (RCSFILE *, const char *); RCSNUM* rcs_sym_getrev (RCSFILE *, const char *); int rcs_lock_getmode (RCSFILE *); int rcs_lock_setmode (RCSFILE *, int); int rcs_lock_add (RCSFILE *, const char *, RCSNUM *); int rcs_lock_remove (RCSFILE *, const RCSNUM *); BUF* rcs_getrev (RCSFILE *, RCSNUM *); BUF* rcs_gethead (RCSFILE *); RCSNUM* rcs_getrevbydate (RCSFILE *, struct tm *); const char* rcs_desc_get (RCSFILE *); int rcs_desc_set (RCSFILE *, const char *); const char* rcs_comment_get (RCSFILE *); int rcs_comment_set (RCSFILE *, const char *); int rcs_kwexp_set (RCSFILE *, int); int rcs_kwexp_get (RCSFILE *); RCSNUM* rcs_tag_resolve (RCSFILE *, const char *); const char* rcs_errstr (int); int rcs_kflag_get (const char *); void rcs_kflag_usage (void); int rcs_kw_expand (RCSFILE *, u_char *, size_t, size_t *); BUF* rcs_patch (const char *, const char *); RCSNUM* rcsnum_alloc (void); RCSNUM* rcsnum_parse (const char *); void rcsnum_free (RCSNUM *); int rcsnum_aton (const char *, char **, RCSNUM *); char* rcsnum_tostr (const RCSNUM *, char *, size_t); int rcsnum_cpy (const RCSNUM *, RCSNUM *, u_int); int rcsnum_cmp (const RCSNUM *, const RCSNUM *, u_int); #endif /* RCS_H */