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/* $OpenBSD: rcsparse.c,v 1.15 2015/06/13 20:15:21 nicm Exp $ */ |
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/* |
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* Copyright (c) 2010 Tobias Stoeckmann <tobias@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/queue.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <pwd.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "rcs.h" |
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#include "rcsparse.h" |
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#include "xmalloc.h" |
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#define RCS_BUFSIZE 16384 |
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#define RCS_BUFEXTSIZE 8192 |
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/* RCS token types */ |
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#define RCS_TOK_HEAD (1 << 0) |
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#define RCS_TOK_BRANCH (1 << 1) |
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#define RCS_TOK_ACCESS (1 << 2) |
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#define RCS_TOK_SYMBOLS (1 << 3) |
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#define RCS_TOK_LOCKS (1 << 4) |
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#define RCS_TOK_STRICT (1 << 5) |
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#define RCS_TOK_COMMENT (1 << 6) |
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#define RCS_TOK_COMMITID (1 << 7) |
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#define RCS_TOK_EXPAND (1 << 8) |
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#define RCS_TOK_DESC (1 << 9) |
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#define RCS_TOK_DATE (1 << 10) |
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#define RCS_TOK_AUTHOR (1 << 11) |
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#define RCS_TOK_STATE (1 << 12) |
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#define RCS_TOK_BRANCHES (1 << 13) |
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#define RCS_TOK_NEXT (1 << 14) |
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#define RCS_TOK_LOG (1 << 15) |
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#define RCS_TOK_TEXT (1 << 16) |
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#define RCS_TOK_COLON (1 << 17) |
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#define RCS_TOK_COMMA (1 << 18) |
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#define RCS_TOK_SCOLON (1 << 19) |
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#define RCS_TYPE_STRING (1 << 20) |
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#define RCS_TYPE_NUMBER (1 << 21) |
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#define RCS_TYPE_BRANCH (1 << 22) |
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#define RCS_TYPE_REVISION (1 << 23) |
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#define RCS_TYPE_LOGIN (1 << 24) |
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#define RCS_TYPE_STATE (1 << 25) |
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#define RCS_TYPE_SYMBOL (1 << 26) |
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#define RCS_TYPE_DATE (1 << 27) |
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#define RCS_TYPE_KEYWORD (1 << 28) |
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#define RCS_TYPE_COMMITID (1 << 29) |
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#define MANDATORY 0 |
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#define OPTIONAL 1 |
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/* opaque parse data */ |
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struct rcs_pdata { |
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char *rp_buf; |
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size_t rp_blen; |
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char *rp_bufend; |
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size_t rp_tlen; |
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struct rcs_delta *rp_delta; |
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int rp_lineno; |
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int rp_msglineno; |
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int rp_token; |
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union { |
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RCSNUM *rev; |
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char *str; |
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struct tm date; |
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} rp_value; |
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}; |
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struct rcs_keyword { |
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const char *k_name; |
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int k_val; |
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}; |
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struct rcs_section { |
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int token; |
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int (*parse)(RCSFILE *, struct rcs_pdata *); |
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int opt; |
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}; |
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/* this has to be sorted always */ |
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static const struct rcs_keyword keywords[] = { |
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{ "access", RCS_TOK_ACCESS}, |
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{ "author", RCS_TOK_AUTHOR}, |
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{ "branch", RCS_TOK_BRANCH}, |
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{ "branches", RCS_TOK_BRANCHES}, |
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{ "comment", RCS_TOK_COMMENT}, |
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{ "commitid", RCS_TOK_COMMITID}, |
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{ "date", RCS_TOK_DATE}, |
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{ "desc", RCS_TOK_DESC}, |
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{ "expand", RCS_TOK_EXPAND}, |
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{ "head", RCS_TOK_HEAD}, |
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{ "locks", RCS_TOK_LOCKS}, |
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{ "log", RCS_TOK_LOG}, |
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{ "next", RCS_TOK_NEXT}, |
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{ "state", RCS_TOK_STATE}, |
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{ "strict", RCS_TOK_STRICT}, |
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{ "symbols", RCS_TOK_SYMBOLS}, |
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{ "text", RCS_TOK_TEXT} |
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}; |
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/* parser functions specified in rcs_section structs */ |
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static int rcsparse_head(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_branch(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_access(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_symbols(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_locks(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_strict(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_comment(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_commitid(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_expand(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_deltarevision(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_date(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_author(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_state(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_branches(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_next(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_textrevision(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_log(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_text(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_delta(RCSFILE *); |
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static int rcsparse_deltatext(RCSFILE *); |
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static int rcsparse_desc(RCSFILE *); |
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static int kw_cmp(const void *, const void *); |
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static int rcsparse(RCSFILE *, struct rcs_section *); |
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static void rcsparse_growbuf(RCSFILE *); |
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static int rcsparse_string(RCSFILE *, int); |
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static int rcsparse_token(RCSFILE *, int); |
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static void rcsparse_warnx(RCSFILE *, char *, ...); |
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static int valid_login(char *); |
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static int valid_commitid(char *); |
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/* |
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* head [REVISION]; |
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* [branch BRANCH]; |
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* access [LOGIN ...]; |
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* symbols [SYMBOL:REVISION ...]; |
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* locks [LOGIN:REVISION ...]; |
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* [strict;] |
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* [comment [@[...]@];] |
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* [expand [@[...]@];] |
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*/ |
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static struct rcs_section sec_admin[] = { |
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{ RCS_TOK_HEAD, rcsparse_head, MANDATORY }, |
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{ RCS_TOK_BRANCH, rcsparse_branch, OPTIONAL }, |
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{ RCS_TOK_ACCESS, rcsparse_access, MANDATORY }, |
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{ RCS_TOK_SYMBOLS, rcsparse_symbols, MANDATORY }, |
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{ RCS_TOK_LOCKS, rcsparse_locks, MANDATORY }, |
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{ RCS_TOK_STRICT, rcsparse_strict, OPTIONAL }, |
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{ RCS_TOK_COMMENT, rcsparse_comment, OPTIONAL }, |
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{ RCS_TOK_EXPAND, rcsparse_expand, OPTIONAL }, |
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{ 0, NULL, 0 } |
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}; |
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/* |
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* REVISION |
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* date [YY]YY.MM.DD.HH.MM.SS; |
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* author LOGIN; |
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* state STATE; |
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* branches [REVISION ...]; |
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* next [REVISION]; |
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* [commitid ID;] |
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*/ |
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static struct rcs_section sec_delta[] = { |
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{ RCS_TYPE_REVISION, rcsparse_deltarevision, MANDATORY }, |
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{ RCS_TOK_DATE, rcsparse_date, MANDATORY }, |
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{ RCS_TOK_AUTHOR, rcsparse_author, MANDATORY }, |
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{ RCS_TOK_STATE, rcsparse_state, MANDATORY }, |
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{ RCS_TOK_BRANCHES, rcsparse_branches, MANDATORY }, |
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{ RCS_TOK_NEXT, rcsparse_next, MANDATORY }, |
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{ RCS_TOK_COMMITID, rcsparse_commitid, OPTIONAL }, |
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{ 0, NULL, 0 } |
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}; |
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/* |
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* REVISION |
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* log @[...]@ |
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* text @[...]@ |
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*/ |
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static struct rcs_section sec_deltatext[] = { |
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{ RCS_TYPE_REVISION, rcsparse_textrevision, MANDATORY }, |
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{ RCS_TOK_LOG, rcsparse_log, MANDATORY }, |
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{ RCS_TOK_TEXT, rcsparse_text, MANDATORY }, |
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{ 0, NULL, 0 } |
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}; |
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/* |
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* rcsparse_init() |
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* |
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* Initializes the parsing data structure and parses the admin section of |
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* RCS file <rfp>. |
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* |
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* Returns 0 on success or 1 on failure. |
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*/ |
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int |
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rcsparse_init(RCSFILE *rfp) |
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{ |
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struct rcs_pdata *pdp; |
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if (rfp->rf_flags & RCS_PARSED) |
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return (0); |
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pdp = xcalloc(1, sizeof(*pdp)); |
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pdp->rp_buf = xmalloc(RCS_BUFSIZE); |
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pdp->rp_blen = RCS_BUFSIZE; |
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pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1; |
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pdp->rp_token = -1; |
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pdp->rp_lineno = 1; |
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pdp->rp_msglineno = 1; |
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/* ditch the strict lock */ |
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rfp->rf_flags &= ~RCS_SLOCK; |
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rfp->rf_pdata = pdp; |
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if (rcsparse(rfp, sec_admin)) { |
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rcsparse_free(rfp); |
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return (1); |
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} |
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if ((rfp->rf_flags & RCS_PARSE_FULLY) && |
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rcsparse_deltatexts(rfp, NULL)) { |
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rcsparse_free(rfp); |
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return (1); |
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} |
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rfp->rf_flags |= RCS_SYNCED; |
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return (0); |
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} |
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/* |
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* rcsparse_deltas() |
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* |
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* Parse deltas. If <rev> is not NULL, parse only as far as that |
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* revision. If <rev> is NULL, parse all deltas. |
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* |
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* Returns 0 on success or 1 on error. |
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*/ |
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int |
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rcsparse_deltas(RCSFILE *rfp, RCSNUM *rev) |
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{ |
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int ret; |
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struct rcs_delta *enddelta; |
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if ((rfp->rf_flags & PARSED_DELTAS) || (rfp->rf_flags & RCS_CREATE)) |
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return (0); |
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for (;;) { |
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ret = rcsparse_delta(rfp); |
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if (rev != NULL) { |
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enddelta = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist); |
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if (enddelta == NULL) |
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return (1); |
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if (rcsnum_cmp(enddelta->rd_num, rev, 0) == 0) |
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break; |
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} |
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if (ret == 0) { |
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rfp->rf_flags |= PARSED_DELTAS; |
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break; |
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} |
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else if (ret == -1) |
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return (1); |
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} |
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return (0); |
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} |
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/* |
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* rcsparse_deltatexts() |
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* |
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* Parse deltatexts. If <rev> is not NULL, parse only as far as that |
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* revision. If <rev> is NULL, parse everything. |
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* |
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* Returns 0 on success or 1 on error. |
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*/ |
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int |
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rcsparse_deltatexts(RCSFILE *rfp, RCSNUM *rev) |
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{ |
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int ret; |
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struct rcs_delta *rdp; |
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if ((rfp->rf_flags & PARSED_DELTATEXTS) || |
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(rfp->rf_flags & RCS_CREATE)) |
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return (0); |
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if (!(rfp->rf_flags & PARSED_DESC)) |
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if (rcsparse_desc(rfp)) |
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return (1); |
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rdp = (rev != NULL) ? rcs_findrev(rfp, rev) : NULL; |
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316 |
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for (;;) { |
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if (rdp != NULL && rdp->rd_text != NULL) |
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break; |
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ret = rcsparse_deltatext(rfp); |
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if (ret == 0) { |
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rfp->rf_flags |= PARSED_DELTATEXTS; |
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break; |
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} |
324 |
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else if (ret == -1) |
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return (1); |
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} |
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328 |
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return (0); |
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} |
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/* |
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* rcsparse_free() |
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* |
334 |
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* Free the contents of the <rfp>'s parser data structure. |
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*/ |
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void |
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rcsparse_free(RCSFILE *rfp) |
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{ |
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struct rcs_pdata *pdp; |
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pdp = rfp->rf_pdata; |
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free(pdp->rp_buf); |
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if (pdp->rp_token == RCS_TYPE_REVISION) |
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rcsnum_free(pdp->rp_value.rev); |
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free(pdp); |
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} |
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349 |
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/* |
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* rcsparse_desc() |
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* |
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* Parse desc of the RCS file <rfp>. By calling rcsparse_desc, all deltas |
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* will be parsed in order to proceed the reading cursor to the desc keyword. |
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* |
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* desc @[...]@; |
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* |
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* Returns 0 on success or 1 on error. |
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*/ |
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static int |
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rcsparse_desc(RCSFILE *rfp) |
361 |
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{ |
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struct rcs_pdata *pdp; |
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364 |
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if (rfp->rf_flags & PARSED_DESC) |
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return (0); |
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367 |
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if (!(rfp->rf_flags & PARSED_DELTAS) && rcsparse_deltas(rfp, NULL)) |
368 |
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return (1); |
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370 |
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pdp = (struct rcs_pdata *)rfp->rf_pdata; |
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372 |
|
|
if (rcsparse_token(rfp, RCS_TOK_DESC) != RCS_TOK_DESC || |
373 |
|
|
rcsparse_token(rfp, RCS_TYPE_STRING) != RCS_TYPE_STRING) |
374 |
|
|
return (1); |
375 |
|
|
|
376 |
|
|
rfp->rf_desc = pdp->rp_value.str; |
377 |
|
|
rfp->rf_flags |= PARSED_DESC; |
378 |
|
|
|
379 |
|
|
return (0); |
380 |
|
|
} |
381 |
|
|
|
382 |
|
|
/* |
383 |
|
|
* rcsparse_deltarevision() |
384 |
|
|
* |
385 |
|
|
* Called upon reaching a new REVISION entry in the delta section. |
386 |
|
|
* A new rcs_delta structure will be prepared in pdp->rp_delta for further |
387 |
|
|
* parsing. |
388 |
|
|
* |
389 |
|
|
* REVISION |
390 |
|
|
* |
391 |
|
|
* Always returns 0. |
392 |
|
|
*/ |
393 |
|
|
static int |
394 |
|
|
rcsparse_deltarevision(RCSFILE *rfp, struct rcs_pdata *pdp) |
395 |
|
|
{ |
396 |
|
|
struct rcs_delta *rdp; |
397 |
|
|
|
398 |
|
|
rdp = xcalloc(1, sizeof(*rdp)); |
399 |
|
|
TAILQ_INIT(&rdp->rd_branches); |
400 |
|
|
rdp->rd_num = pdp->rp_value.rev; |
401 |
|
|
pdp->rp_delta = rdp; |
402 |
|
|
|
403 |
|
|
return (0); |
404 |
|
|
} |
405 |
|
|
|
406 |
|
|
/* |
407 |
|
|
* rcsparse_date() |
408 |
|
|
* |
409 |
|
|
* Parses the specified date of current delta pdp->rp_delta. |
410 |
|
|
* |
411 |
|
|
* date YYYY.MM.DD.HH.MM.SS; |
412 |
|
|
* |
413 |
|
|
* Returns 0 on success or 1 on failure. |
414 |
|
|
*/ |
415 |
|
|
static int |
416 |
|
|
rcsparse_date(RCSFILE *rfp, struct rcs_pdata *pdp) |
417 |
|
|
{ |
418 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_DATE) != RCS_TYPE_DATE) |
419 |
|
|
return (1); |
420 |
|
|
|
421 |
|
|
pdp->rp_delta->rd_date = pdp->rp_value.date; |
422 |
|
|
|
423 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
424 |
|
|
} |
425 |
|
|
|
426 |
|
|
/* |
427 |
|
|
* rcsparse_author() |
428 |
|
|
* |
429 |
|
|
* Parses the specified author of current delta pdp->rp_delta. |
430 |
|
|
* |
431 |
|
|
* author LOGIN; |
432 |
|
|
* |
433 |
|
|
* Returns 0 on success or 1 on failure. |
434 |
|
|
*/ |
435 |
|
|
static int |
436 |
|
|
rcsparse_author(RCSFILE *rfp, struct rcs_pdata *pdp) |
437 |
|
|
{ |
438 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_LOGIN) != RCS_TYPE_LOGIN) |
439 |
|
|
return (1); |
440 |
|
|
|
441 |
|
|
pdp->rp_delta->rd_author = pdp->rp_value.str; |
442 |
|
|
|
443 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
/* |
447 |
|
|
* rcsparse_state() |
448 |
|
|
* |
449 |
|
|
* Parses the specified state of current delta pdp->rp_delta. |
450 |
|
|
* |
451 |
|
|
* state STATE; |
452 |
|
|
* |
453 |
|
|
* Returns 0 on success or 1 on failure. |
454 |
|
|
*/ |
455 |
|
|
static int |
456 |
|
|
rcsparse_state(RCSFILE *rfp, struct rcs_pdata *pdp) |
457 |
|
|
{ |
458 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_STATE) != RCS_TYPE_STATE) |
459 |
|
|
return (1); |
460 |
|
|
|
461 |
|
|
pdp->rp_delta->rd_state = pdp->rp_value.str; |
462 |
|
|
|
463 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
464 |
|
|
} |
465 |
|
|
|
466 |
|
|
/* |
467 |
|
|
* rcsparse_branches() |
468 |
|
|
* |
469 |
|
|
* Parses the specified branches of current delta pdp->rp_delta. |
470 |
|
|
* |
471 |
|
|
* branches [REVISION ...]; |
472 |
|
|
* |
473 |
|
|
* Returns 0 on success or 1 on failure. |
474 |
|
|
*/ |
475 |
|
|
static int |
476 |
|
|
rcsparse_branches(RCSFILE *rfp, struct rcs_pdata *pdp) |
477 |
|
|
{ |
478 |
|
|
struct rcs_branch *rb; |
479 |
|
|
int type; |
480 |
|
|
|
481 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_REVISION)) |
482 |
|
|
== RCS_TYPE_REVISION) { |
483 |
|
|
rb = xmalloc(sizeof(*rb)); |
484 |
|
|
rb->rb_num = pdp->rp_value.rev; |
485 |
|
|
TAILQ_INSERT_TAIL(&(pdp->rp_delta->rd_branches), rb, rb_list); |
486 |
|
|
} |
487 |
|
|
|
488 |
|
|
return (type != RCS_TOK_SCOLON); |
489 |
|
|
} |
490 |
|
|
|
491 |
|
|
/* |
492 |
|
|
* rcsparse_next() |
493 |
|
|
* |
494 |
|
|
* Parses the specified next revision of current delta pdp->rp_delta. |
495 |
|
|
* |
496 |
|
|
* next [REVISION]; |
497 |
|
|
* |
498 |
|
|
* Returns 0 on success or 1 on failure. |
499 |
|
|
*/ |
500 |
|
|
static int |
501 |
|
|
rcsparse_next(RCSFILE *rfp, struct rcs_pdata *pdp) |
502 |
|
|
{ |
503 |
|
|
int type; |
504 |
|
|
|
505 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_REVISION|RCS_TOK_SCOLON); |
506 |
|
|
if (type == RCS_TYPE_REVISION) { |
507 |
|
|
pdp->rp_delta->rd_next = pdp->rp_value.rev; |
508 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
509 |
|
|
} else |
510 |
|
|
pdp->rp_delta->rd_next = rcsnum_alloc(); |
511 |
|
|
|
512 |
|
|
return (type != RCS_TOK_SCOLON); |
513 |
|
|
} |
514 |
|
|
|
515 |
|
|
/* |
516 |
|
|
* rcsparse_commitid() |
517 |
|
|
* |
518 |
|
|
* Parses the specified commit id of current delta pdp->rp_delta. The |
519 |
|
|
* commitid keyword is optional and can be omitted. |
520 |
|
|
* |
521 |
|
|
* [commitid ID;] |
522 |
|
|
* |
523 |
|
|
* Returns 0 on success or 1 on failure. |
524 |
|
|
*/ |
525 |
|
|
static int |
526 |
|
|
rcsparse_commitid(RCSFILE *rfp, struct rcs_pdata *pdp) |
527 |
|
|
{ |
528 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_COMMITID) != RCS_TYPE_COMMITID) |
529 |
|
|
return (1); |
530 |
|
|
|
531 |
|
|
pdp->rp_delta->rd_commitid = pdp->rp_value.str; |
532 |
|
|
|
533 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
534 |
|
|
} |
535 |
|
|
|
536 |
|
|
/* |
537 |
|
|
* rcsparse_textrevision() |
538 |
|
|
* |
539 |
|
|
* Called upon reaching a new REVISION entry in the delta text section. |
540 |
|
|
* pdp->rp_delta will be set to REVISION's delta (created in delta section) |
541 |
|
|
* for further parsing. |
542 |
|
|
* |
543 |
|
|
* REVISION |
544 |
|
|
* |
545 |
|
|
* Returns 0 on success or 1 on failure. |
546 |
|
|
*/ |
547 |
|
|
static int |
548 |
|
|
rcsparse_textrevision(RCSFILE *rfp, struct rcs_pdata *pdp) |
549 |
|
|
{ |
550 |
|
|
struct rcs_delta *rdp; |
551 |
|
|
|
552 |
|
|
TAILQ_FOREACH(rdp, &rfp->rf_delta, rd_list) { |
553 |
|
|
if (rcsnum_cmp(rdp->rd_num, pdp->rp_value.rev, 0) == 0) |
554 |
|
|
break; |
555 |
|
|
} |
556 |
|
|
if (rdp == NULL) { |
557 |
|
|
rcsparse_warnx(rfp, "delta for revision \"%s\" not found", |
558 |
|
|
pdp->rp_buf); |
559 |
|
|
rcsnum_free(pdp->rp_value.rev); |
560 |
|
|
return (1); |
561 |
|
|
} |
562 |
|
|
pdp->rp_delta = rdp; |
563 |
|
|
|
564 |
|
|
rcsnum_free(pdp->rp_value.rev); |
565 |
|
|
return (0); |
566 |
|
|
} |
567 |
|
|
|
568 |
|
|
/* |
569 |
|
|
* rcsparse_log() |
570 |
|
|
* |
571 |
|
|
* Parses the specified log of current deltatext pdp->rp_delta. |
572 |
|
|
* |
573 |
|
|
* log @[...]@ |
574 |
|
|
* |
575 |
|
|
* Returns 0 on success or 1 on failure. |
576 |
|
|
*/ |
577 |
|
|
static int |
578 |
|
|
rcsparse_log(RCSFILE *rfp, struct rcs_pdata *pdp) |
579 |
|
|
{ |
580 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_STRING) != RCS_TYPE_STRING) |
581 |
|
|
return (1); |
582 |
|
|
|
583 |
|
|
pdp->rp_delta->rd_log = pdp->rp_value.str; |
584 |
|
|
|
585 |
|
|
return (0); |
586 |
|
|
} |
587 |
|
|
|
588 |
|
|
/* |
589 |
|
|
* rcsparse_text() |
590 |
|
|
* |
591 |
|
|
* Parses the specified text of current deltatext pdp->rp_delta. |
592 |
|
|
* |
593 |
|
|
* text @[...]@ |
594 |
|
|
* |
595 |
|
|
* Returns 0 on success or 1 on failure. |
596 |
|
|
*/ |
597 |
|
|
static int |
598 |
|
|
rcsparse_text(RCSFILE *rfp, struct rcs_pdata *pdp) |
599 |
|
|
{ |
600 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_STRING) != RCS_TYPE_STRING) |
601 |
|
|
return (1); |
602 |
|
|
|
603 |
|
|
pdp->rp_delta->rd_tlen = pdp->rp_tlen - 1; |
604 |
|
|
if (pdp->rp_delta->rd_tlen == 0) { |
605 |
|
|
pdp->rp_delta->rd_text = xstrdup(""); |
606 |
|
|
} else { |
607 |
|
|
pdp->rp_delta->rd_text = xmalloc(pdp->rp_delta->rd_tlen); |
608 |
|
|
memcpy(pdp->rp_delta->rd_text, pdp->rp_buf, |
609 |
|
|
pdp->rp_delta->rd_tlen); |
610 |
|
|
} |
611 |
|
|
free(pdp->rp_value.str); |
612 |
|
|
|
613 |
|
|
return (0); |
614 |
|
|
} |
615 |
|
|
|
616 |
|
|
/* |
617 |
|
|
* rcsparse_head() |
618 |
|
|
* |
619 |
|
|
* Parses the head revision of RCS file <rfp>. |
620 |
|
|
* |
621 |
|
|
* head [REVISION]; |
622 |
|
|
* |
623 |
|
|
* Returns 0 on success or 1 on failure. |
624 |
|
|
*/ |
625 |
|
|
static int |
626 |
|
|
rcsparse_head(RCSFILE *rfp, struct rcs_pdata *pdp) |
627 |
|
|
{ |
628 |
|
|
int type; |
629 |
|
|
|
630 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_REVISION|RCS_TOK_SCOLON); |
631 |
|
|
if (type == RCS_TYPE_REVISION) { |
632 |
|
|
rfp->rf_head = pdp->rp_value.rev; |
633 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
634 |
|
|
} |
635 |
|
|
|
636 |
|
|
return (type != RCS_TOK_SCOLON); |
637 |
|
|
} |
638 |
|
|
|
639 |
|
|
/* |
640 |
|
|
* rcsparse_branch() |
641 |
|
|
* |
642 |
|
|
* Parses the default branch of RCS file <rfp>. The branch keyword is |
643 |
|
|
* optional and can be omitted. |
644 |
|
|
* |
645 |
|
|
* [branch BRANCH;] |
646 |
|
|
* |
647 |
|
|
* Returns 0 on success or 1 on failure. |
648 |
|
|
*/ |
649 |
|
|
static int |
650 |
|
|
rcsparse_branch(RCSFILE *rfp, struct rcs_pdata *pdp) |
651 |
|
|
{ |
652 |
|
|
int type; |
653 |
|
|
|
654 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_BRANCH|RCS_TOK_SCOLON); |
655 |
|
|
if (type == RCS_TYPE_BRANCH) { |
656 |
|
|
rfp->rf_branch = pdp->rp_value.rev; |
657 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
658 |
|
|
} |
659 |
|
|
|
660 |
|
|
return (type != RCS_TOK_SCOLON); |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
/* |
664 |
|
|
* rcsparse_access() |
665 |
|
|
* |
666 |
|
|
* Parses the access list of RCS file <rfp>. |
667 |
|
|
* |
668 |
|
|
* access [LOGIN ...]; |
669 |
|
|
* |
670 |
|
|
* Returns 0 on success or 1 on failure. |
671 |
|
|
*/ |
672 |
|
|
static int |
673 |
|
|
rcsparse_access(RCSFILE *rfp, struct rcs_pdata *pdp) |
674 |
|
|
{ |
675 |
|
|
struct rcs_access *ap; |
676 |
|
|
int type; |
677 |
|
|
|
678 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_LOGIN)) |
679 |
|
|
== RCS_TYPE_LOGIN) { |
680 |
|
|
ap = xmalloc(sizeof(*ap)); |
681 |
|
|
ap->ra_name = pdp->rp_value.str; |
682 |
|
|
TAILQ_INSERT_TAIL(&(rfp->rf_access), ap, ra_list); |
683 |
|
|
} |
684 |
|
|
|
685 |
|
|
return (type != RCS_TOK_SCOLON); |
686 |
|
|
} |
687 |
|
|
|
688 |
|
|
/* |
689 |
|
|
* rcsparse_symbols() |
690 |
|
|
* |
691 |
|
|
* Parses the symbol list of RCS file <rfp>. |
692 |
|
|
* |
693 |
|
|
* symbols [SYMBOL:REVISION ...]; |
694 |
|
|
* |
695 |
|
|
* Returns 0 on success or 1 on failure. |
696 |
|
|
*/ |
697 |
|
|
static int |
698 |
|
|
rcsparse_symbols(RCSFILE *rfp, struct rcs_pdata *pdp) |
699 |
|
|
{ |
700 |
|
|
struct rcs_sym *symp; |
701 |
|
|
char *name; |
702 |
|
|
int type; |
703 |
|
|
|
704 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_SYMBOL)) == |
705 |
|
|
RCS_TYPE_SYMBOL) { |
706 |
|
|
name = pdp->rp_value.str; |
707 |
|
|
if (rcsparse_token(rfp, RCS_TOK_COLON) != RCS_TOK_COLON || |
708 |
|
|
rcsparse_token(rfp, RCS_TYPE_NUMBER) != RCS_TYPE_NUMBER) { |
709 |
|
|
free(name); |
710 |
|
|
return (1); |
711 |
|
|
} |
712 |
|
|
symp = xmalloc(sizeof(*symp)); |
713 |
|
|
symp->rs_name = name; |
714 |
|
|
symp->rs_num = pdp->rp_value.rev; |
715 |
|
|
TAILQ_INSERT_TAIL(&(rfp->rf_symbols), symp, rs_list); |
716 |
|
|
} |
717 |
|
|
|
718 |
|
|
return (type != RCS_TOK_SCOLON); |
719 |
|
|
} |
720 |
|
|
|
721 |
|
|
/* |
722 |
|
|
* rcsparse_locks() |
723 |
|
|
* |
724 |
|
|
* Parses the lock list of RCS file <rfp>. |
725 |
|
|
* |
726 |
|
|
* locks [SYMBOL:REVISION ...]; |
727 |
|
|
* |
728 |
|
|
* Returns 0 on success or 1 on failure. |
729 |
|
|
*/ |
730 |
|
|
static int |
731 |
|
|
rcsparse_locks(RCSFILE *rfp, struct rcs_pdata *pdp) |
732 |
|
|
{ |
733 |
|
|
struct rcs_lock *lkp; |
734 |
|
|
char *name; |
735 |
|
|
int type; |
736 |
|
|
|
737 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_LOGIN)) == |
738 |
|
|
RCS_TYPE_LOGIN) { |
739 |
|
|
name = pdp->rp_value.str; |
740 |
|
|
if (rcsparse_token(rfp, RCS_TOK_COLON) != RCS_TOK_COLON || |
741 |
|
|
rcsparse_token(rfp, RCS_TYPE_REVISION) != |
742 |
|
|
RCS_TYPE_REVISION) { |
743 |
|
|
free(name); |
744 |
|
|
return (1); |
745 |
|
|
} |
746 |
|
|
lkp = xmalloc(sizeof(*lkp)); |
747 |
|
|
lkp->rl_name = name; |
748 |
|
|
lkp->rl_num = pdp->rp_value.rev; |
749 |
|
|
TAILQ_INSERT_TAIL(&(rfp->rf_locks), lkp, rl_list); |
750 |
|
|
} |
751 |
|
|
|
752 |
|
|
return (type != RCS_TOK_SCOLON); |
753 |
|
|
} |
754 |
|
|
|
755 |
|
|
/* |
756 |
|
|
* rcsparse_locks() |
757 |
|
|
* |
758 |
|
|
* Parses the strict keyword of RCS file <rfp>. The strict keyword is |
759 |
|
|
* optional and can be omitted. |
760 |
|
|
* |
761 |
|
|
* [strict;] |
762 |
|
|
* |
763 |
|
|
* Returns 0 on success or 1 on failure. |
764 |
|
|
*/ |
765 |
|
|
static int |
766 |
|
|
rcsparse_strict(RCSFILE *rfp, struct rcs_pdata *pdp) |
767 |
|
|
{ |
768 |
|
|
rfp->rf_flags |= RCS_SLOCK; |
769 |
|
|
|
770 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
771 |
|
|
} |
772 |
|
|
|
773 |
|
|
/* |
774 |
|
|
* rcsparse_comment() |
775 |
|
|
* |
776 |
|
|
* Parses the comment of RCS file <rfp>. The comment keyword is optional |
777 |
|
|
* and can be omitted. |
778 |
|
|
* |
779 |
|
|
* [comment [@[...]@];] |
780 |
|
|
* |
781 |
|
|
* Returns 0 on success or 1 on failure. |
782 |
|
|
*/ |
783 |
|
|
static int |
784 |
|
|
rcsparse_comment(RCSFILE *rfp, struct rcs_pdata *pdp) |
785 |
|
|
{ |
786 |
|
|
int type; |
787 |
|
|
|
788 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_STRING|RCS_TOK_SCOLON); |
789 |
|
|
if (type == RCS_TYPE_STRING) { |
790 |
|
|
rfp->rf_comment = pdp->rp_value.str; |
791 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
792 |
|
|
} |
793 |
|
|
|
794 |
|
|
return (type != RCS_TOK_SCOLON); |
795 |
|
|
} |
796 |
|
|
|
797 |
|
|
/* |
798 |
|
|
* rcsparse_expand() |
799 |
|
|
* |
800 |
|
|
* Parses expand of RCS file <rfp>. The expand keyword is optional and |
801 |
|
|
* can be omitted. |
802 |
|
|
* |
803 |
|
|
* [expand [@[...]@];] |
804 |
|
|
* |
805 |
|
|
* Returns 0 on success or 1 on failure. |
806 |
|
|
*/ |
807 |
|
|
static int |
808 |
|
|
rcsparse_expand(RCSFILE *rfp, struct rcs_pdata *pdp) |
809 |
|
|
{ |
810 |
|
|
int type; |
811 |
|
|
|
812 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_STRING|RCS_TOK_SCOLON); |
813 |
|
|
if (type == RCS_TYPE_STRING) { |
814 |
|
|
rfp->rf_expand = pdp->rp_value.str; |
815 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
816 |
|
|
} |
817 |
|
|
|
818 |
|
|
return (type != RCS_TOK_SCOLON); |
819 |
|
|
} |
820 |
|
|
|
821 |
|
|
#define RBUF_PUTC(ch) \ |
822 |
|
|
do { \ |
823 |
|
|
if (bp == pdp->rp_bufend - 1) { \ |
824 |
|
|
len = bp - pdp->rp_buf; \ |
825 |
|
|
rcsparse_growbuf(rfp); \ |
826 |
|
|
bp = pdp->rp_buf + len; \ |
827 |
|
|
} \ |
828 |
|
|
*(bp++) = (ch); \ |
829 |
|
|
pdp->rp_tlen++; \ |
830 |
|
|
} while (0); |
831 |
|
|
|
832 |
|
|
static int |
833 |
|
|
rcsparse_string(RCSFILE *rfp, int allowed) |
834 |
|
|
{ |
835 |
|
|
struct rcs_pdata *pdp; |
836 |
|
|
int c; |
837 |
|
|
size_t len; |
838 |
|
|
char *bp; |
839 |
|
|
|
840 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
841 |
|
|
|
842 |
|
|
bp = pdp->rp_buf; |
843 |
|
|
pdp->rp_tlen = 0; |
844 |
|
|
*bp = '\0'; |
845 |
|
|
|
846 |
|
|
for (;;) { |
847 |
|
|
c = getc(rfp->rf_file); |
848 |
|
|
if (c == '@') { |
849 |
|
|
c = getc(rfp->rf_file); |
850 |
|
|
if (c == EOF) { |
851 |
|
|
return (EOF); |
852 |
|
|
} else if (c != '@') { |
853 |
|
|
ungetc(c, rfp->rf_file); |
854 |
|
|
break; |
855 |
|
|
} |
856 |
|
|
} |
857 |
|
|
|
858 |
|
|
if (c == EOF) { |
859 |
|
|
return (EOF); |
860 |
|
|
} else if (c == '\n') |
861 |
|
|
pdp->rp_lineno++; |
862 |
|
|
|
863 |
|
|
RBUF_PUTC(c); |
864 |
|
|
} |
865 |
|
|
|
866 |
|
|
bp = pdp->rp_buf + pdp->rp_tlen; |
867 |
|
|
RBUF_PUTC('\0'); |
868 |
|
|
|
869 |
|
|
if (!(allowed & RCS_TYPE_STRING)) { |
870 |
|
|
rcsparse_warnx(rfp, "unexpected RCS string"); |
871 |
|
|
return (0); |
872 |
|
|
} |
873 |
|
|
|
874 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
875 |
|
|
|
876 |
|
|
return (RCS_TYPE_STRING); |
877 |
|
|
} |
878 |
|
|
|
879 |
|
|
static int |
880 |
|
|
rcsparse_token(RCSFILE *rfp, int allowed) |
881 |
|
|
{ |
882 |
|
|
const struct rcs_keyword *p; |
883 |
|
|
struct rcs_pdata *pdp; |
884 |
|
|
int c, pre, ret, type; |
885 |
|
|
char *bp; |
886 |
|
|
size_t len; |
887 |
|
|
RCSNUM *datenum; |
888 |
|
|
|
889 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
890 |
|
|
|
891 |
|
|
if (pdp->rp_token != -1) { |
892 |
|
|
/* no need to check for allowed here */ |
893 |
|
|
type = pdp->rp_token; |
894 |
|
|
pdp->rp_token = -1; |
895 |
|
|
return (type); |
896 |
|
|
} |
897 |
|
|
|
898 |
|
|
/* skip whitespaces */ |
899 |
|
|
c = EOF; |
900 |
|
|
do { |
901 |
|
|
pre = c; |
902 |
|
|
c = getc(rfp->rf_file); |
903 |
|
|
if (c == EOF) { |
904 |
|
|
if (ferror(rfp->rf_file)) { |
905 |
|
|
rcsparse_warnx(rfp, "error during parsing"); |
906 |
|
|
return (0); |
907 |
|
|
} |
908 |
|
|
if (pre != '\n') |
909 |
|
|
rcsparse_warnx(rfp, |
910 |
|
|
"no newline at end of file"); |
911 |
|
|
return (EOF); |
912 |
|
|
} else if (c == '\n') |
913 |
|
|
pdp->rp_lineno++; |
914 |
|
|
} while (isspace(c)); |
915 |
|
|
|
916 |
|
|
pdp->rp_msglineno = pdp->rp_lineno; |
917 |
|
|
switch (c) { |
918 |
|
|
case '@': |
919 |
|
|
ret = rcsparse_string(rfp, allowed); |
920 |
|
|
if (ret == EOF && ferror(rfp->rf_file)) { |
921 |
|
|
rcsparse_warnx(rfp, "error during parsing"); |
922 |
|
|
return (0); |
923 |
|
|
} |
924 |
|
|
return (ret); |
925 |
|
|
/* NOTREACHED */ |
926 |
|
|
case ':': |
927 |
|
|
type = RCS_TOK_COLON; |
928 |
|
|
if (type & allowed) |
929 |
|
|
return (type); |
930 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%c\"", c); |
931 |
|
|
return (0); |
932 |
|
|
/* NOTREACHED */ |
933 |
|
|
case ';': |
934 |
|
|
type = RCS_TOK_SCOLON; |
935 |
|
|
if (type & allowed) |
936 |
|
|
return (type); |
937 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%c\"", c); |
938 |
|
|
return (0); |
939 |
|
|
/* NOTREACHED */ |
940 |
|
|
case ',': |
941 |
|
|
type = RCS_TOK_COMMA; |
942 |
|
|
if (type & allowed) |
943 |
|
|
return (type); |
944 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%c\"", c); |
945 |
|
|
return (0); |
946 |
|
|
/* NOTREACHED */ |
947 |
|
|
default: |
948 |
|
|
if (!isgraph(c)) { |
949 |
|
|
rcsparse_warnx(rfp, "unexpected character 0x%.2X", c); |
950 |
|
|
return (0); |
951 |
|
|
} |
952 |
|
|
break; |
953 |
|
|
} |
954 |
|
|
allowed &= ~(RCS_TOK_COLON|RCS_TOK_SCOLON|RCS_TOK_COMMA); |
955 |
|
|
|
956 |
|
|
bp = pdp->rp_buf; |
957 |
|
|
pdp->rp_tlen = 0; |
958 |
|
|
*bp = '\0'; |
959 |
|
|
|
960 |
|
|
for (;;) { |
961 |
|
|
if (c == EOF) { |
962 |
|
|
if (ferror(rfp->rf_file)) |
963 |
|
|
rcsparse_warnx(rfp, "error during parsing"); |
964 |
|
|
else |
965 |
|
|
rcsparse_warnx(rfp, "unexpected end of file"); |
966 |
|
|
return (0); |
967 |
|
|
} else if (c == '\n') |
968 |
|
|
pdp->rp_lineno++; |
969 |
|
|
|
970 |
|
|
RBUF_PUTC(c); |
971 |
|
|
|
972 |
|
|
c = getc(rfp->rf_file); |
973 |
|
|
|
974 |
|
|
if (isspace(c)) { |
975 |
|
|
if (c == '\n') |
976 |
|
|
pdp->rp_lineno++; |
977 |
|
|
RBUF_PUTC('\0'); |
978 |
|
|
break; |
979 |
|
|
} else if (c == ';' || c == ':' || c == ',') { |
980 |
|
|
ungetc(c, rfp->rf_file); |
981 |
|
|
RBUF_PUTC('\0'); |
982 |
|
|
break; |
983 |
|
|
} else if (!isgraph(c)) { |
984 |
|
|
rcsparse_warnx(rfp, "unexpected character 0x%.2X", c); |
985 |
|
|
return (0); |
986 |
|
|
} |
987 |
|
|
} |
988 |
|
|
|
989 |
|
|
switch (allowed) { |
990 |
|
|
case RCS_TYPE_COMMITID: |
991 |
|
|
if (!valid_commitid(pdp->rp_buf)) { |
992 |
|
|
rcsparse_warnx(rfp, "invalid commitid \"%s\"", |
993 |
|
|
pdp->rp_buf); |
994 |
|
|
return (0); |
995 |
|
|
} |
996 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
997 |
|
|
break; |
998 |
|
|
case RCS_TYPE_LOGIN: |
999 |
|
|
if (!valid_login(pdp->rp_buf)) { |
1000 |
|
|
rcsparse_warnx(rfp, "invalid login \"%s\"", |
1001 |
|
|
pdp->rp_buf); |
1002 |
|
|
return (0); |
1003 |
|
|
} |
1004 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
1005 |
|
|
break; |
1006 |
|
|
case RCS_TYPE_SYMBOL: |
1007 |
|
|
if (!rcs_sym_check(pdp->rp_buf)) { |
1008 |
|
|
rcsparse_warnx(rfp, "invalid symbol \"%s\"", |
1009 |
|
|
pdp->rp_buf); |
1010 |
|
|
return (0); |
1011 |
|
|
} |
1012 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
1013 |
|
|
break; |
1014 |
|
|
/* FALLTHROUGH */ |
1015 |
|
|
case RCS_TYPE_STATE: |
1016 |
|
|
if (rcs_state_check(pdp->rp_buf)) { |
1017 |
|
|
rcsparse_warnx(rfp, "invalid state \"%s\"", |
1018 |
|
|
pdp->rp_buf); |
1019 |
|
|
return (0); |
1020 |
|
|
} |
1021 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
1022 |
|
|
break; |
1023 |
|
|
case RCS_TYPE_DATE: |
1024 |
|
|
if ((datenum = rcsnum_parse(pdp->rp_buf)) == NULL) { |
1025 |
|
|
rcsparse_warnx(rfp, "invalid date \"%s\"", pdp->rp_buf); |
1026 |
|
|
return (0); |
1027 |
|
|
} |
1028 |
|
|
if (datenum->rn_len != 6) { |
1029 |
|
|
rcsnum_free(datenum); |
1030 |
|
|
rcsparse_warnx(rfp, "invalid date \"%s\"", pdp->rp_buf); |
1031 |
|
|
return (0); |
1032 |
|
|
} |
1033 |
|
|
pdp->rp_value.date.tm_year = datenum->rn_id[0]; |
1034 |
|
|
if (pdp->rp_value.date.tm_year >= 1900) |
1035 |
|
|
pdp->rp_value.date.tm_year -= 1900; |
1036 |
|
|
pdp->rp_value.date.tm_mon = datenum->rn_id[1] - 1; |
1037 |
|
|
pdp->rp_value.date.tm_mday = datenum->rn_id[2]; |
1038 |
|
|
pdp->rp_value.date.tm_hour = datenum->rn_id[3]; |
1039 |
|
|
pdp->rp_value.date.tm_min = datenum->rn_id[4]; |
1040 |
|
|
pdp->rp_value.date.tm_sec = datenum->rn_id[5]; |
1041 |
|
|
rcsnum_free(datenum); |
1042 |
|
|
break; |
1043 |
|
|
case RCS_TYPE_NUMBER: |
1044 |
|
|
pdp->rp_value.rev = rcsnum_parse(pdp->rp_buf); |
1045 |
|
|
if (pdp->rp_value.rev == NULL) { |
1046 |
|
|
rcsparse_warnx(rfp, "invalid number \"%s\"", |
1047 |
|
|
pdp->rp_buf); |
1048 |
|
|
return (0); |
1049 |
|
|
} |
1050 |
|
|
break; |
1051 |
|
|
case RCS_TYPE_BRANCH: |
1052 |
|
|
pdp->rp_value.rev = rcsnum_parse(pdp->rp_buf); |
1053 |
|
|
if (pdp->rp_value.rev == NULL) { |
1054 |
|
|
rcsparse_warnx(rfp, "invalid branch \"%s\"", |
1055 |
|
|
pdp->rp_buf); |
1056 |
|
|
return (0); |
1057 |
|
|
} |
1058 |
|
|
if (!RCSNUM_ISBRANCH(pdp->rp_value.rev)) { |
1059 |
|
|
rcsnum_free(pdp->rp_value.rev); |
1060 |
|
|
rcsparse_warnx(rfp, "expected branch, got \"%s\"", |
1061 |
|
|
pdp->rp_buf); |
1062 |
|
|
return (0); |
1063 |
|
|
} |
1064 |
|
|
break; |
1065 |
|
|
case RCS_TYPE_KEYWORD: |
1066 |
|
|
if (islower(*pdp->rp_buf)) { |
1067 |
|
|
p = bsearch(pdp->rp_buf, keywords, |
1068 |
|
|
sizeof(keywords) / sizeof(keywords[0]), |
1069 |
|
|
sizeof(keywords[0]), kw_cmp); |
1070 |
|
|
if (p != NULL) |
1071 |
|
|
return (p->k_val); |
1072 |
|
|
} |
1073 |
|
|
allowed = RCS_TYPE_REVISION; |
1074 |
|
|
/* FALLTHROUGH */ |
1075 |
|
|
case RCS_TYPE_REVISION: |
1076 |
|
|
pdp->rp_value.rev = rcsnum_parse(pdp->rp_buf); |
1077 |
|
|
if (pdp->rp_value.rev != NULL) { |
1078 |
|
|
if (RCSNUM_ISBRANCH(pdp->rp_value.rev)) { |
1079 |
|
|
rcsnum_free(pdp->rp_value.rev); |
1080 |
|
|
rcsparse_warnx(rfp, |
1081 |
|
|
"expected revision, got \"%s\"", |
1082 |
|
|
pdp->rp_buf); |
1083 |
|
|
return (0); |
1084 |
|
|
} |
1085 |
|
|
break; |
1086 |
|
|
} |
1087 |
|
|
/* FALLTHROUGH */ |
1088 |
|
|
default: |
1089 |
|
|
RBUF_PUTC('\0'); |
1090 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%s\"", pdp->rp_buf); |
1091 |
|
|
return (0); |
1092 |
|
|
/* NOTREACHED */ |
1093 |
|
|
} |
1094 |
|
|
|
1095 |
|
|
return (allowed); |
1096 |
|
|
} |
1097 |
|
|
|
1098 |
|
|
static int |
1099 |
|
|
rcsparse(RCSFILE *rfp, struct rcs_section *sec) |
1100 |
|
|
{ |
1101 |
|
|
struct rcs_pdata *pdp; |
1102 |
|
|
int i, token; |
1103 |
|
|
|
1104 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1105 |
|
|
|
1106 |
|
|
token = 0; |
1107 |
|
|
for (i = 0; sec[i].token != 0; i++) { |
1108 |
|
|
token = rcsparse_token(rfp, RCS_TYPE_KEYWORD); |
1109 |
|
|
if (token == 0) |
1110 |
|
|
return (1); |
1111 |
|
|
|
1112 |
|
|
while (token != sec[i].token) { |
1113 |
|
|
if (sec[i].parse == NULL) |
1114 |
|
|
goto end; |
1115 |
|
|
if (sec[i].opt) { |
1116 |
|
|
i++; |
1117 |
|
|
continue; |
1118 |
|
|
} |
1119 |
|
|
if (token == EOF || (!(rfp->rf_flags & PARSED_DELTAS) && |
1120 |
|
|
token == RCS_TOK_DESC)) |
1121 |
|
|
goto end; |
1122 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%s\"", |
1123 |
|
|
pdp->rp_buf); |
1124 |
|
|
return (1); |
1125 |
|
|
} |
1126 |
|
|
|
1127 |
|
|
if (sec[i].parse(rfp, pdp)) |
1128 |
|
|
return (1); |
1129 |
|
|
} |
1130 |
|
|
end: |
1131 |
|
|
if (token == RCS_TYPE_REVISION) |
1132 |
|
|
pdp->rp_token = token; |
1133 |
|
|
else if (token == RCS_TOK_DESC) |
1134 |
|
|
pdp->rp_token = RCS_TOK_DESC; |
1135 |
|
|
else if (token == EOF) |
1136 |
|
|
rfp->rf_flags |= RCS_PARSED; |
1137 |
|
|
|
1138 |
|
|
return (0); |
1139 |
|
|
} |
1140 |
|
|
|
1141 |
|
|
static int |
1142 |
|
|
rcsparse_deltatext(RCSFILE *rfp) |
1143 |
|
|
{ |
1144 |
|
|
int ret; |
1145 |
|
|
|
1146 |
|
|
if (rfp->rf_flags & PARSED_DELTATEXTS) |
1147 |
|
|
return (0); |
1148 |
|
|
|
1149 |
|
|
if (!(rfp->rf_flags & PARSED_DESC)) |
1150 |
|
|
if ((ret = rcsparse_desc(rfp))) |
1151 |
|
|
return (ret); |
1152 |
|
|
|
1153 |
|
|
if (rcsparse(rfp, sec_deltatext)) |
1154 |
|
|
return (-1); |
1155 |
|
|
|
1156 |
|
|
if (rfp->rf_flags & RCS_PARSED) |
1157 |
|
|
rfp->rf_flags |= PARSED_DELTATEXTS; |
1158 |
|
|
|
1159 |
|
|
return (1); |
1160 |
|
|
} |
1161 |
|
|
|
1162 |
|
|
static int |
1163 |
|
|
rcsparse_delta(RCSFILE *rfp) |
1164 |
|
|
{ |
1165 |
|
|
struct rcs_pdata *pdp; |
1166 |
|
|
|
1167 |
|
|
if (rfp->rf_flags & PARSED_DELTAS) |
1168 |
|
|
return (0); |
1169 |
|
|
|
1170 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1171 |
|
|
if (pdp->rp_token == RCS_TOK_DESC) { |
1172 |
|
|
rfp->rf_flags |= PARSED_DELTAS; |
1173 |
|
|
return (0); |
1174 |
|
|
} |
1175 |
|
|
|
1176 |
|
|
if (rcsparse(rfp, sec_delta)) |
1177 |
|
|
return (-1); |
1178 |
|
|
|
1179 |
|
|
if (pdp->rp_delta != NULL) { |
1180 |
|
|
TAILQ_INSERT_TAIL(&rfp->rf_delta, pdp->rp_delta, rd_list); |
1181 |
|
|
pdp->rp_delta = NULL; |
1182 |
|
|
rfp->rf_ndelta++; |
1183 |
|
|
return (1); |
1184 |
|
|
} |
1185 |
|
|
|
1186 |
|
|
return (0); |
1187 |
|
|
} |
1188 |
|
|
|
1189 |
|
|
/* |
1190 |
|
|
* rcsparse_growbuf() |
1191 |
|
|
* |
1192 |
|
|
* Attempt to grow the internal parse buffer for the RCS file <rf> by |
1193 |
|
|
* RCS_BUFEXTSIZE. |
1194 |
|
|
* In case of failure, the original buffer is left unmodified. |
1195 |
|
|
*/ |
1196 |
|
|
static void |
1197 |
|
|
rcsparse_growbuf(RCSFILE *rfp) |
1198 |
|
|
{ |
1199 |
|
|
struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1200 |
|
|
|
1201 |
|
|
pdp->rp_buf = xreallocarray(pdp->rp_buf, 1, |
1202 |
|
|
pdp->rp_blen + RCS_BUFEXTSIZE); |
1203 |
|
|
pdp->rp_blen += RCS_BUFEXTSIZE; |
1204 |
|
|
pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1; |
1205 |
|
|
} |
1206 |
|
|
|
1207 |
|
|
/* |
1208 |
|
|
* Borrowed from src/usr.sbin/user/user.c: |
1209 |
|
|
* return 1 if `login' is a valid login name |
1210 |
|
|
*/ |
1211 |
|
|
static int |
1212 |
|
|
valid_login(char *login_name) |
1213 |
|
|
{ |
1214 |
|
|
unsigned char *cp; |
1215 |
|
|
|
1216 |
|
|
/* The first character cannot be a hyphen */ |
1217 |
|
|
if (*login_name == '-') |
1218 |
|
|
return 0; |
1219 |
|
|
|
1220 |
|
|
for (cp = login_name ; *cp ; cp++) { |
1221 |
|
|
/* We allow '$' as the last character for samba */ |
1222 |
|
|
if (!isalnum(*cp) && *cp != '.' && *cp != '_' && *cp != '-' && |
1223 |
|
|
!(*cp == '$' && *(cp + 1) == '\0')) { |
1224 |
|
|
return 0; |
1225 |
|
|
} |
1226 |
|
|
} |
1227 |
|
|
if ((char *)cp - login_name > _PW_NAME_LEN) |
1228 |
|
|
return 0; |
1229 |
|
|
return 1; |
1230 |
|
|
} |
1231 |
|
|
|
1232 |
|
|
static int |
1233 |
|
|
valid_commitid(char *commitid) |
1234 |
|
|
{ |
1235 |
|
|
unsigned char *cp; |
1236 |
|
|
|
1237 |
|
|
/* A-Za-z0-9 */ |
1238 |
|
|
for (cp = commitid; *cp ; cp++) { |
1239 |
|
|
if (!isalnum(*cp)) |
1240 |
|
|
return 0; |
1241 |
|
|
} |
1242 |
|
|
if ((char *)cp - commitid > RCS_COMMITID_MAXLEN) |
1243 |
|
|
return 0; |
1244 |
|
|
return 1; |
1245 |
|
|
} |
1246 |
|
|
|
1247 |
|
|
static int |
1248 |
|
|
kw_cmp(const void *k, const void *e) |
1249 |
|
|
{ |
1250 |
|
|
return (strcmp(k, ((const struct rcs_keyword *)e)->k_name)); |
1251 |
|
|
} |
1252 |
|
|
|
1253 |
|
|
static void |
1254 |
|
|
rcsparse_warnx(RCSFILE *rfp, char *fmt, ...) |
1255 |
|
|
{ |
1256 |
|
|
struct rcs_pdata *pdp; |
1257 |
|
|
va_list ap; |
1258 |
|
|
char *msg; |
1259 |
|
|
|
1260 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1261 |
|
|
va_start(ap, fmt); |
1262 |
|
|
if (vasprintf(&msg, fmt, ap) == -1) { |
1263 |
|
|
warn("vasprintf"); |
1264 |
|
|
va_end(ap); |
1265 |
|
|
return; |
1266 |
|
|
} |
1267 |
|
|
va_end(ap); |
1268 |
|
|
warnx("%s:%d: %s", rfp->rf_path, pdp->rp_msglineno, msg); |
1269 |
|
|
free(msg); |
1270 |
|
|
} |