/* $OpenBSD: rcs.h,v 1.2 2006/04/26 21:55:22 joris 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 "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_SYM_INVALCHAR "$,.:;@" #define RCS_MAGIC_BRANCH ".0." #define RCS_STATE_EXP "Exp" #define RCS_STATE_DEAD "dead" /* lock types */ #define RCS_LOCK_INVAL (-1) #define RCS_LOCK_LOOSE 0 #define RCS_LOCK_STRICT 1 /* * Keyword expansion table */ #define RCS_KW_AUTHOR 0x1000 #define RCS_KW_DATE 0x2000 #define RCS_KW_LOG 0x4000 #define RCS_KW_NAME 0x8000 #define RCS_KW_RCSFILE 0x0100 #define RCS_KW_REVISION 0x0200 #define RCS_KW_SOURCE 0x0400 #define RCS_KW_STATE 0x0800 #define RCS_KW_FULLPATH 0x0010 #define RCS_KW_ID \ (RCS_KW_RCSFILE | RCS_KW_REVISION | RCS_KW_DATE \ | RCS_KW_AUTHOR | RCS_KW_STATE) #define RCS_KW_HEADER (RCS_KW_ID | RCS_KW_FULLPATH) /* 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) && (k & ~RCS_KWEXP_OLD))) struct rcs_kw { char kw_str[16]; int kw_type; }; #define RCS_NKWORDS (sizeof(rcs_expkw)/sizeof(rcs_expkw[0])) #define RCSNUM_MAXNUM USHRT_MAX #define RCSNUM_MAXLEN 64 #define RCSNUM_ISBRANCH(n) ((n)->rn_len % 2) #define RCSNUM_ISBRANCHREV(n) (!((n)->rn_len % 2) && ((n)->rn_len >= 4)) #define RCSNUM_NO_MAGIC (1<<0) /* file flags */ #define RCS_READ (1<<0) #define RCS_WRITE (1<<1) #define RCS_RDWR (RCS_READ|RCS_WRITE) #define RCS_CREATE (1<<2) /* create the file */ #define RCS_PARSE_FULLY (1<<3) /* fully parse it on open */ /* internal flags */ #define RCS_PARSED (1<<4) /* file has been parsed */ #define RCS_SYNCED (1<<5) /* in-mem copy is sync with disk copy */ #define RCS_SLOCK (1<<6) /* strict lock */ /* parser flags */ #define PARSED_DELTAS (1<<7) /* all deltas are parsed */ #define PARSED_DESC (1<<8) /* the description is parsed */ #define PARSED_DELTATEXTS (1<<9) /* all delta texts are parsed */ /* delta flags */ #define RCS_RD_DEAD 0x01 /* dead */ #define RCS_RD_SELECT 0x02 /* select for operation */ /* RCS error codes */ #define RCS_ERR_NOERR 0 #define RCS_ERR_NOENT 1 #define RCS_ERR_DUPENT 2 #define RCS_ERR_BADNUM 3 #define RCS_ERR_BADSYM 4 #define RCS_ERR_PARSE 5 #define RCS_ERR_ERRNO 255 /* used for rcs_checkout_rev */ #define CHECKOUT_REV_CREATED 1 #define CHECKOUT_REV_MERGED 2 #define CHECKOUT_REV_REMOVED 3 #define CHECKOUT_REV_UPDATED 4 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; }; TAILQ_HEAD(rcs_dlist, rcs_delta); 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; char *rd_locker; u_char *rd_text; size_t rd_tlen; TAILQ_HEAD(, rcs_branch) rd_branches; TAILQ_ENTRY(rcs_delta) rd_list; }; typedef struct rcs_file { int fd; char *rf_path; 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, int, ...); void rcs_close(RCSFILE *); const RCSNUM *rcs_head_get(RCSFILE *); int rcs_head_set(RCSFILE *, 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 *); struct rcs_delta *rcs_findrev(RCSFILE *, RCSNUM *); int rcs_sym_add(RCSFILE *, const char *, RCSNUM *); int rcs_sym_remove(RCSFILE *, const char *); RCSNUM *rcs_sym_getrev(RCSFILE *, const char *); int rcs_sym_check(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 char *, RCSNUM *); BUF *rcs_getrev(RCSFILE *, RCSNUM *); int rcs_deltatext_set(RCSFILE *, RCSNUM *, const char *); const char *rcs_desc_get(RCSFILE *); void rcs_desc_set(RCSFILE *, const char *); const char *rcs_comment_lookup(const char *); const char *rcs_comment_get(RCSFILE *); void rcs_comment_set(RCSFILE *, const char *); BUF *rcs_kwexp_buf(BUF *, RCSFILE *, RCSNUM *); void rcs_kwexp_set(RCSFILE *, int); int rcs_kwexp_get(RCSFILE *); int rcs_rev_add(RCSFILE *, RCSNUM *, const char *, time_t, const char *); time_t rcs_rev_getdate(RCSFILE *, RCSNUM *); int rcs_rev_setlog(RCSFILE *, RCSNUM *, const char *); int rcs_rev_remove(RCSFILE *, RCSNUM *); int rcs_state_set(RCSFILE *, RCSNUM *, const char *); const char *rcs_state_get(RCSFILE *, RCSNUM *); int rcs_state_check(const char *); RCSNUM *rcs_tag_resolve(RCSFILE *, const char *); const char *rcs_errstr(int); int rcs_write(RCSFILE *); int rcs_kflag_get(const char *); void rcs_kflag_usage(void); int rcs_kw_expand(RCSFILE *, u_char *, size_t, size_t *); RCSNUM *rcsnum_alloc(void); RCSNUM *rcsnum_parse(const char *); RCSNUM *rcsnum_brtorev(const RCSNUM *); RCSNUM *rcsnum_revtobr(const RCSNUM *); RCSNUM *rcsnum_inc(RCSNUM *); RCSNUM *rcsnum_dec(RCSNUM *); void rcsnum_free(RCSNUM *); int rcsnum_aton(const char *, char **, RCSNUM *); char *rcsnum_tostr(const RCSNUM *, char *, size_t); void rcsnum_cpy(const RCSNUM *, RCSNUM *, u_int); int rcsnum_cmp(const RCSNUM *, const RCSNUM *, u_int); /* rcstime.c */ void rcs_set_tz(char *, struct rcs_delta *, struct tm *); extern char *timezone_flag; extern int rcsnum_flags; #endif /* RCS_H */