=================================================================== RCS file: /cvs/mandoc/mandocdb.c,v retrieving revision 1.211 retrieving revision 1.256 diff -u -p -r1.211 -r1.256 --- mandoc/mandocdb.c 2016/01/04 14:44:57 1.211 +++ mandoc/mandocdb.c 2017/08/26 20:38:14 1.256 @@ -1,7 +1,8 @@ -/* $Id: mandocdb.c,v 1.211 2016/01/04 14:44:57 schwarze Exp $ */ +/* $Id: mandocdb.c,v 1.256 2017/08/26 20:38:14 schwarze Exp $ */ /* * Copyright (c) 2011, 2012 Kristaps Dzonsons - * Copyright (c) 2011-2016 Ingo Schwarze + * Copyright (c) 2011-2017 Ingo Schwarze + * Copyright (c) 2016 Ed Maste * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -18,8 +19,8 @@ #include "config.h" #include +#include #include -#include #include #include @@ -33,8 +34,11 @@ #else #include "compat_fts.h" #endif -#include #include +#if HAVE_SANDBOX_INIT +#include +#endif +#include #include #include #include @@ -42,8 +46,6 @@ #include #include -#include - #include "mandoc_aux.h" #include "mandoc_ohash.h" #include "mandoc.h" @@ -52,29 +54,11 @@ #include "man.h" #include "manconf.h" #include "mansearch.h" +#include "dba_array.h" +#include "dba.h" -extern int mansearch_keymax; extern const char *const mansearch_keynames[]; -#define SQL_EXEC(_v) \ - if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \ - say("", "%s: %s", (_v), sqlite3_errmsg(db)) -#define SQL_BIND_TEXT(_s, _i, _v) \ - if (SQLITE_OK != sqlite3_bind_text \ - ((_s), (_i)++, (_v), -1, SQLITE_STATIC)) \ - say(mlink->file, "%s", sqlite3_errmsg(db)) -#define SQL_BIND_INT(_s, _i, _v) \ - if (SQLITE_OK != sqlite3_bind_int \ - ((_s), (_i)++, (_v))) \ - say(mlink->file, "%s", sqlite3_errmsg(db)) -#define SQL_BIND_INT64(_s, _i, _v) \ - if (SQLITE_OK != sqlite3_bind_int64 \ - ((_s), (_i)++, (_v))) \ - say(mlink->file, "%s", sqlite3_errmsg(db)) -#define SQL_STEP(_s) \ - if (SQLITE_DONE != sqlite3_step((_s))) \ - say(mlink->file, "%s", sqlite3_errmsg(db)) - enum op { OP_DEFAULT = 0, /* new dbs from dir list or default config */ OP_CONFFILE, /* new databases from custom config file */ @@ -96,14 +80,15 @@ struct inodev { struct mpage { struct inodev inodev; /* used for hashing routine */ - int64_t pageid; /* pageid in mpages SQL table */ + struct dba_array *dba; char *sec; /* section from file content */ char *arch; /* architecture from file content */ char *title; /* title from file content */ char *desc; /* description from file content */ + struct mpage *next; /* singly linked list */ struct mlink *mlinks; /* singly linked list */ - int form; /* format from file content */ int name_head_done; + enum form form; /* format from file content */ }; struct mlink { @@ -114,43 +99,39 @@ struct mlink { char *fsec; /* section from file name suffix */ struct mlink *next; /* singly linked list */ struct mpage *mpage; /* parent */ - int dform; /* format from directory */ - int fform; /* format from file name suffix */ int gzip; /* filename has a .gz suffix */ + enum form dform; /* format from directory */ + enum form fform; /* format from file name suffix */ }; -enum stmt { - STMT_DELETE_PAGE = 0, /* delete mpage */ - STMT_INSERT_PAGE, /* insert mpage */ - STMT_INSERT_LINK, /* insert mlink */ - STMT_INSERT_NAME, /* insert name */ - STMT_SELECT_NAME, /* retrieve existing name flags */ - STMT_INSERT_KEY, /* insert parsed key */ - STMT__MAX -}; - typedef int (*mdoc_fp)(struct mpage *, const struct roff_meta *, const struct roff_node *); struct mdoc_handler { mdoc_fp fp; /* optional handler */ uint64_t mask; /* set unless handler returns 0 */ + int taboo; /* node flags that must not be set */ }; -static void dbclose(int); -static void dbadd(struct mpage *); + +int mandocdb(int, char *[]); + +static void dbadd(struct dba *, struct mpage *); static void dbadd_mlink(const struct mlink *mlink); -static void dbadd_mlink_name(const struct mlink *mlink); -static int dbopen(int); -static void dbprune(void); +static void dbprune(struct dba *); +static void dbwrite(struct dba *); static void filescan(const char *); +#if HAVE_FTS_COMPARE_CONST +static int fts_compare(const FTSENT *const *, const FTSENT *const *); +#else +static int fts_compare(const FTSENT **, const FTSENT **); +#endif static void mlink_add(struct mlink *, const struct stat *); static void mlink_check(struct mpage *, struct mlink *); static void mlink_free(struct mlink *); static void mlinks_undupe(struct mpage *); static void mpages_free(void); -static void mpages_merge(struct mparse *); -static void names_check(void); +static void mpages_merge(struct dba *, struct mparse *); static void parse_cat(struct mpage *, int); static void parse_man(struct mpage *, const struct roff_meta *, const struct roff_node *); @@ -178,14 +159,14 @@ static int parse_mdoc_Xr(struct mpage *, const struct static void putkey(const struct mpage *, char *, uint64_t); static void putkeys(const struct mpage *, char *, size_t, uint64_t); static void putmdockey(const struct mpage *, - const struct roff_node *, uint64_t); + const struct roff_node *, uint64_t, int); static int render_string(char **, size_t *); -static void say(const char *, const char *, ...); +static void say(const char *, const char *, ...) + __attribute__((__format__ (__printf__, 2, 3))); static int set_basedir(const char *, int); static int treescan(void); static size_t utf8(unsigned int, char [7]); -static char tempfilename[32]; static int nodb; /* no database changes */ static int mparse_options; /* abort the parse early */ static int use_all; /* use all found files */ @@ -195,139 +176,136 @@ static int write_utf8; /* write UTF-8 output; else A static int exitcode; /* to be returned by main */ static enum op op; /* operational mode */ static char basedir[PATH_MAX]; /* current base directory */ +static struct mpage *mpage_head; /* list of distinct manual pages */ static struct ohash mpages; /* table of distinct manual pages */ static struct ohash mlinks; /* table of directory entries */ static struct ohash names; /* table of all names */ static struct ohash strings; /* table of all strings */ -static sqlite3 *db = NULL; /* current database */ -static sqlite3_stmt *stmts[STMT__MAX]; /* current statements */ static uint64_t name_mask; -static const struct mdoc_handler mdocs[MDOC_MAX] = { - { NULL, 0 }, /* Ap */ - { NULL, 0 }, /* Dd */ - { NULL, 0 }, /* Dt */ - { NULL, 0 }, /* Os */ - { parse_mdoc_Sh, TYPE_Sh }, /* Sh */ - { parse_mdoc_head, TYPE_Ss }, /* Ss */ - { NULL, 0 }, /* Pp */ - { NULL, 0 }, /* D1 */ - { NULL, 0 }, /* Dl */ - { NULL, 0 }, /* Bd */ - { NULL, 0 }, /* Ed */ - { NULL, 0 }, /* Bl */ - { NULL, 0 }, /* El */ - { NULL, 0 }, /* It */ - { NULL, 0 }, /* Ad */ - { NULL, TYPE_An }, /* An */ - { NULL, TYPE_Ar }, /* Ar */ - { NULL, TYPE_Cd }, /* Cd */ - { NULL, TYPE_Cm }, /* Cm */ - { NULL, TYPE_Dv }, /* Dv */ - { NULL, TYPE_Er }, /* Er */ - { NULL, TYPE_Ev }, /* Ev */ - { NULL, 0 }, /* Ex */ - { NULL, TYPE_Fa }, /* Fa */ - { parse_mdoc_Fd, 0 }, /* Fd */ - { NULL, TYPE_Fl }, /* Fl */ - { parse_mdoc_Fn, 0 }, /* Fn */ - { NULL, TYPE_Ft }, /* Ft */ - { NULL, TYPE_Ic }, /* Ic */ - { NULL, TYPE_In }, /* In */ - { NULL, TYPE_Li }, /* Li */ - { parse_mdoc_Nd, 0 }, /* Nd */ - { parse_mdoc_Nm, 0 }, /* Nm */ - { NULL, 0 }, /* Op */ - { NULL, 0 }, /* Ot */ - { NULL, TYPE_Pa }, /* Pa */ - { NULL, 0 }, /* Rv */ - { NULL, TYPE_St }, /* St */ - { parse_mdoc_Va, TYPE_Va }, /* Va */ - { parse_mdoc_Va, TYPE_Vt }, /* Vt */ - { parse_mdoc_Xr, 0 }, /* Xr */ - { NULL, 0 }, /* %A */ - { NULL, 0 }, /* %B */ - { NULL, 0 }, /* %D */ - { NULL, 0 }, /* %I */ - { NULL, 0 }, /* %J */ - { NULL, 0 }, /* %N */ - { NULL, 0 }, /* %O */ - { NULL, 0 }, /* %P */ - { NULL, 0 }, /* %R */ - { NULL, 0 }, /* %T */ - { NULL, 0 }, /* %V */ - { NULL, 0 }, /* Ac */ - { NULL, 0 }, /* Ao */ - { NULL, 0 }, /* Aq */ - { NULL, TYPE_At }, /* At */ - { NULL, 0 }, /* Bc */ - { NULL, 0 }, /* Bf */ - { NULL, 0 }, /* Bo */ - { NULL, 0 }, /* Bq */ - { NULL, TYPE_Bsx }, /* Bsx */ - { NULL, TYPE_Bx }, /* Bx */ - { NULL, 0 }, /* Db */ - { NULL, 0 }, /* Dc */ - { NULL, 0 }, /* Do */ - { NULL, 0 }, /* Dq */ - { NULL, 0 }, /* Ec */ - { NULL, 0 }, /* Ef */ - { NULL, TYPE_Em }, /* Em */ - { NULL, 0 }, /* Eo */ - { NULL, TYPE_Fx }, /* Fx */ - { NULL, TYPE_Ms }, /* Ms */ - { NULL, 0 }, /* No */ - { NULL, 0 }, /* Ns */ - { NULL, TYPE_Nx }, /* Nx */ - { NULL, TYPE_Ox }, /* Ox */ - { NULL, 0 }, /* Pc */ - { NULL, 0 }, /* Pf */ - { NULL, 0 }, /* Po */ - { NULL, 0 }, /* Pq */ - { NULL, 0 }, /* Qc */ - { NULL, 0 }, /* Ql */ - { NULL, 0 }, /* Qo */ - { NULL, 0 }, /* Qq */ - { NULL, 0 }, /* Re */ - { NULL, 0 }, /* Rs */ - { NULL, 0 }, /* Sc */ - { NULL, 0 }, /* So */ - { NULL, 0 }, /* Sq */ - { NULL, 0 }, /* Sm */ - { NULL, 0 }, /* Sx */ - { NULL, TYPE_Sy }, /* Sy */ - { NULL, TYPE_Tn }, /* Tn */ - { NULL, 0 }, /* Ux */ - { NULL, 0 }, /* Xc */ - { NULL, 0 }, /* Xo */ - { parse_mdoc_Fo, 0 }, /* Fo */ - { NULL, 0 }, /* Fc */ - { NULL, 0 }, /* Oo */ - { NULL, 0 }, /* Oc */ - { NULL, 0 }, /* Bk */ - { NULL, 0 }, /* Ek */ - { NULL, 0 }, /* Bt */ - { NULL, 0 }, /* Hf */ - { NULL, 0 }, /* Fr */ - { NULL, 0 }, /* Ud */ - { NULL, TYPE_Lb }, /* Lb */ - { NULL, 0 }, /* Lp */ - { NULL, TYPE_Lk }, /* Lk */ - { NULL, TYPE_Mt }, /* Mt */ - { NULL, 0 }, /* Brq */ - { NULL, 0 }, /* Bro */ - { NULL, 0 }, /* Brc */ - { NULL, 0 }, /* %C */ - { NULL, 0 }, /* Es */ - { NULL, 0 }, /* En */ - { NULL, TYPE_Dx }, /* Dx */ - { NULL, 0 }, /* %Q */ - { NULL, 0 }, /* br */ - { NULL, 0 }, /* sp */ - { NULL, 0 }, /* %U */ - { NULL, 0 }, /* Ta */ - { NULL, 0 }, /* ll */ +static const struct mdoc_handler __mdocs[MDOC_MAX - MDOC_Dd] = { + { NULL, 0, NODE_NOPRT }, /* Dd */ + { NULL, 0, NODE_NOPRT }, /* Dt */ + { NULL, 0, NODE_NOPRT }, /* Os */ + { parse_mdoc_Sh, TYPE_Sh, 0 }, /* Sh */ + { parse_mdoc_head, TYPE_Ss, 0 }, /* Ss */ + { NULL, 0, 0 }, /* Pp */ + { NULL, 0, 0 }, /* D1 */ + { NULL, 0, 0 }, /* Dl */ + { NULL, 0, 0 }, /* Bd */ + { NULL, 0, 0 }, /* Ed */ + { NULL, 0, 0 }, /* Bl */ + { NULL, 0, 0 }, /* El */ + { NULL, 0, 0 }, /* It */ + { NULL, 0, 0 }, /* Ad */ + { NULL, TYPE_An, 0 }, /* An */ + { NULL, 0, 0 }, /* Ap */ + { NULL, TYPE_Ar, 0 }, /* Ar */ + { NULL, TYPE_Cd, 0 }, /* Cd */ + { NULL, TYPE_Cm, 0 }, /* Cm */ + { NULL, TYPE_Dv, 0 }, /* Dv */ + { NULL, TYPE_Er, 0 }, /* Er */ + { NULL, TYPE_Ev, 0 }, /* Ev */ + { NULL, 0, 0 }, /* Ex */ + { NULL, TYPE_Fa, 0 }, /* Fa */ + { parse_mdoc_Fd, 0, 0 }, /* Fd */ + { NULL, TYPE_Fl, 0 }, /* Fl */ + { parse_mdoc_Fn, 0, 0 }, /* Fn */ + { NULL, TYPE_Ft, 0 }, /* Ft */ + { NULL, TYPE_Ic, 0 }, /* Ic */ + { NULL, TYPE_In, 0 }, /* In */ + { NULL, TYPE_Li, 0 }, /* Li */ + { parse_mdoc_Nd, 0, 0 }, /* Nd */ + { parse_mdoc_Nm, 0, 0 }, /* Nm */ + { NULL, 0, 0 }, /* Op */ + { NULL, 0, 0 }, /* Ot */ + { NULL, TYPE_Pa, NODE_NOSRC }, /* Pa */ + { NULL, 0, 0 }, /* Rv */ + { NULL, TYPE_St, 0 }, /* St */ + { parse_mdoc_Va, TYPE_Va, 0 }, /* Va */ + { parse_mdoc_Va, TYPE_Vt, 0 }, /* Vt */ + { parse_mdoc_Xr, 0, 0 }, /* Xr */ + { NULL, 0, 0 }, /* %A */ + { NULL, 0, 0 }, /* %B */ + { NULL, 0, 0 }, /* %D */ + { NULL, 0, 0 }, /* %I */ + { NULL, 0, 0 }, /* %J */ + { NULL, 0, 0 }, /* %N */ + { NULL, 0, 0 }, /* %O */ + { NULL, 0, 0 }, /* %P */ + { NULL, 0, 0 }, /* %R */ + { NULL, 0, 0 }, /* %T */ + { NULL, 0, 0 }, /* %V */ + { NULL, 0, 0 }, /* Ac */ + { NULL, 0, 0 }, /* Ao */ + { NULL, 0, 0 }, /* Aq */ + { NULL, TYPE_At, 0 }, /* At */ + { NULL, 0, 0 }, /* Bc */ + { NULL, 0, 0 }, /* Bf */ + { NULL, 0, 0 }, /* Bo */ + { NULL, 0, 0 }, /* Bq */ + { NULL, TYPE_Bsx, NODE_NOSRC }, /* Bsx */ + { NULL, TYPE_Bx, NODE_NOSRC }, /* Bx */ + { NULL, 0, 0 }, /* Db */ + { NULL, 0, 0 }, /* Dc */ + { NULL, 0, 0 }, /* Do */ + { NULL, 0, 0 }, /* Dq */ + { NULL, 0, 0 }, /* Ec */ + { NULL, 0, 0 }, /* Ef */ + { NULL, TYPE_Em, 0 }, /* Em */ + { NULL, 0, 0 }, /* Eo */ + { NULL, TYPE_Fx, NODE_NOSRC }, /* Fx */ + { NULL, TYPE_Ms, 0 }, /* Ms */ + { NULL, 0, 0 }, /* No */ + { NULL, 0, 0 }, /* Ns */ + { NULL, TYPE_Nx, NODE_NOSRC }, /* Nx */ + { NULL, TYPE_Ox, NODE_NOSRC }, /* Ox */ + { NULL, 0, 0 }, /* Pc */ + { NULL, 0, 0 }, /* Pf */ + { NULL, 0, 0 }, /* Po */ + { NULL, 0, 0 }, /* Pq */ + { NULL, 0, 0 }, /* Qc */ + { NULL, 0, 0 }, /* Ql */ + { NULL, 0, 0 }, /* Qo */ + { NULL, 0, 0 }, /* Qq */ + { NULL, 0, 0 }, /* Re */ + { NULL, 0, 0 }, /* Rs */ + { NULL, 0, 0 }, /* Sc */ + { NULL, 0, 0 }, /* So */ + { NULL, 0, 0 }, /* Sq */ + { NULL, 0, 0 }, /* Sm */ + { NULL, 0, 0 }, /* Sx */ + { NULL, TYPE_Sy, 0 }, /* Sy */ + { NULL, TYPE_Tn, 0 }, /* Tn */ + { NULL, 0, NODE_NOSRC }, /* Ux */ + { NULL, 0, 0 }, /* Xc */ + { NULL, 0, 0 }, /* Xo */ + { parse_mdoc_Fo, 0, 0 }, /* Fo */ + { NULL, 0, 0 }, /* Fc */ + { NULL, 0, 0 }, /* Oo */ + { NULL, 0, 0 }, /* Oc */ + { NULL, 0, 0 }, /* Bk */ + { NULL, 0, 0 }, /* Ek */ + { NULL, 0, 0 }, /* Bt */ + { NULL, 0, 0 }, /* Hf */ + { NULL, 0, 0 }, /* Fr */ + { NULL, 0, 0 }, /* Ud */ + { NULL, TYPE_Lb, NODE_NOSRC }, /* Lb */ + { NULL, 0, 0 }, /* Lp */ + { NULL, TYPE_Lk, 0 }, /* Lk */ + { NULL, TYPE_Mt, NODE_NOSRC }, /* Mt */ + { NULL, 0, 0 }, /* Brq */ + { NULL, 0, 0 }, /* Bro */ + { NULL, 0, 0 }, /* Brc */ + { NULL, 0, 0 }, /* %C */ + { NULL, 0, 0 }, /* Es */ + { NULL, 0, 0 }, /* En */ + { NULL, TYPE_Dx, NODE_NOSRC }, /* Dx */ + { NULL, 0, 0 }, /* %Q */ + { NULL, 0, 0 }, /* %U */ + { NULL, 0, 0 }, /* Ta */ }; +static const struct mdoc_handler *const mdocs = __mdocs - MDOC_Dd; int @@ -335,19 +313,26 @@ mandocdb(int argc, char *argv[]) { struct manconf conf; struct mparse *mp; + struct dba *dba; const char *path_arg, *progname; size_t j, sz; int ch, i; #if HAVE_PLEDGE - if (pledge("stdio rpath wpath cpath fattr flock proc exec", NULL) == -1) { - perror("pledge"); + if (pledge("stdio rpath wpath cpath", NULL) == -1) { + warn("pledge"); return (int)MANDOCLEVEL_SYSERR; } #endif +#if HAVE_SANDBOX_INIT + if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1) { + warnx("sandbox_init"); + return (int)MANDOCLEVEL_SYSERR; + } +#endif + memset(&conf, 0, sizeof(conf)); - memset(stmts, 0, STMT__MAX * sizeof(sqlite3_stmt *)); /* * We accept a few different invocations. @@ -422,7 +407,7 @@ mandocdb(int argc, char *argv[]) #if HAVE_PLEDGE if (nodb) { if (pledge("stdio rpath", NULL) == -1) { - perror("pledge"); + warn("pledge"); return (int)MANDOCLEVEL_SYSERR; } } @@ -435,7 +420,8 @@ mandocdb(int argc, char *argv[]) exitcode = (int)MANDOCLEVEL_OK; mchars_alloc(); - mp = mparse_alloc(mparse_options, MANDOCLEVEL_BADARG, NULL, NULL); + mp = mparse_alloc(mparse_options, MANDOCERR_MAX, NULL, + MANDOC_OS_OTHER, NULL); mandoc_ohash_init(&mpages, 6, offsetof(struct mpage, inodev)); mandoc_ohash_init(&mlinks, 6, offsetof(struct mlink, file)); @@ -448,45 +434,37 @@ mandocdb(int argc, char *argv[]) if (OP_TEST != op && 0 == set_basedir(path_arg, 1)) goto out; - if (dbopen(1)) { + dba = nodb ? dba_new(128) : dba_read(MANDOC_DB); + if (dba != NULL) { /* * The existing database is usable. Process * all files specified on the command-line. */ -#if HAVE_PLEDGE - if (!nodb) { - if (pledge("stdio rpath wpath cpath fattr flock", NULL) == -1) { - perror("pledge"); - exitcode = (int)MANDOCLEVEL_SYSERR; - goto out; - } - } -#endif use_all = 1; for (i = 0; i < argc; i++) filescan(argv[i]); - if (OP_TEST != op) - dbprune(); + if (nodb == 0) + dbprune(dba); } else { - /* - * Database missing or corrupt. - * Recreate from scratch. - */ + /* Database missing or corrupt. */ + if (op != OP_UPDATE || errno != ENOENT) + say(MANDOC_DB, "%s: Automatically recreating" + " from scratch", strerror(errno)); exitcode = (int)MANDOCLEVEL_OK; op = OP_DEFAULT; if (0 == treescan()) goto out; - if (0 == dbopen(0)) - goto out; + dba = dba_new(128); } if (OP_DELETE != op) - mpages_merge(mp); - dbclose(OP_DEFAULT == op ? 0 : 1); + mpages_merge(dba, mp); + if (nodb == 0) + dbwrite(dba); + dba_free(dba); } else { /* * If we have arguments, use them as our manpaths. - * If we don't, grok from manpath(1) or however else - * manconf_parse() wants to do it. + * If we don't, use man.conf(5). */ if (argc > 0) { conf.manpath.paths = mandoc_reallocarray(NULL, @@ -526,15 +504,12 @@ mandocdb(int argc, char *argv[]) continue; if (0 == treescan()) continue; - if (0 == dbopen(0)) - continue; + dba = dba_new(128); + mpages_merge(dba, mp); + if (nodb == 0) + dbwrite(dba); + dba_free(dba); - mpages_merge(mp); - if (warnings && !nodb && - ! (MPARSE_QUICK & mparse_options)) - names_check(); - dbclose(0); - if (j + 1 < conf.manpath.sz) { mpages_free(); ohash_delete(&mpages); @@ -563,6 +538,20 @@ usage: } /* + * To get a singly linked list in alpha order while inserting entries + * at the beginning, process directory entries in reverse alpha order. + */ +static int +#if HAVE_FTS_COMPARE_CONST +fts_compare(const FTSENT *const *a, const FTSENT *const *b) +#else +fts_compare(const FTSENT **a, const FTSENT **b) +#endif +{ + return -strcmp((*a)->fts_name, (*b)->fts_name); +} + +/* * Scan a directory tree rooted at "basedir" for manpages. * We use fts(), scanning directory parts along the way for clues to our * section and architecture. @@ -574,7 +563,7 @@ usage: * or * [./]cat
[/]/.0 * - * TODO: accomodate for multi-language directories. + * TODO: accommodate for multi-language directories. */ static int treescan(void) @@ -583,16 +572,17 @@ treescan(void) FTS *f; FTSENT *ff; struct mlink *mlink; - int dform, gzip; + int gzip; + enum form dform; char *dsec, *arch, *fsec, *cp; const char *path; const char *argv[2]; argv[0] = "."; - argv[1] = (char *)NULL; + argv[1] = NULL; - f = fts_open((char * const *)argv, - FTS_PHYSICAL | FTS_NOCHDIR, NULL); + f = fts_open((char * const *)argv, FTS_PHYSICAL | FTS_NOCHDIR, + fts_compare); if (f == NULL) { exitcode = (int)MANDOCLEVEL_SYSERR; say("", "&fts_open"); @@ -872,6 +862,20 @@ filescan(const char *file) } /* + * In test mode or when the original name is absolute + * but outside our tree, guess the base directory. + */ + + if (op == OP_TEST || (start == buf && *start == '/')) { + if (strncmp(buf, "man/", 4) == 0) + start = buf + 4; + else if ((start = strstr(buf, "/man/")) != NULL) + start += 5; + else + start = buf; + } + + /* * First try to guess our directory structure. * If we find a separator, try to look for man* or cat*. * If we find one of these and what's underneath is a directory, @@ -957,6 +961,9 @@ mlink_add(struct mlink *mlink, const struct stat *st) mpage = mandoc_calloc(1, sizeof(struct mpage)); mpage->inodev.st_ino = inodev.st_ino; mpage->inodev.st_dev = inodev.st_dev; + mpage->form = FORM_NONE; + mpage->next = mpage_head; + mpage_head = mpage; ohash_insert(&mpages, slot, mpage); } else mlink->next = mpage->mlinks; @@ -980,20 +987,18 @@ mpages_free(void) { struct mpage *mpage; struct mlink *mlink; - unsigned int slot; - mpage = ohash_first(&mpages, &slot); - while (NULL != mpage) { - while (NULL != (mlink = mpage->mlinks)) { + while ((mpage = mpage_head) != NULL) { + while ((mlink = mpage->mlinks) != NULL) { mpage->mlinks = mlink->next; mlink_free(mlink); } + mpage_head = mpage->next; free(mpage->sec); free(mpage->arch); free(mpage->title); free(mpage->desc); free(mpage); - mpage = ohash_next(&mpages, &slot); } } @@ -1070,7 +1075,7 @@ mlink_check(struct mpage *mpage, struct mlink *mlink) * architectures. * A few manuals are even shared across completely * different architectures, for example fdformat(1) - * on amd64, i386, sparc, and sparc64. + * on amd64, i386, and sparc64. */ if (strcasecmp(mpage->arch, mlink->arch)) @@ -1105,27 +1110,19 @@ mlink_check(struct mpage *mpage, struct mlink *mlink) * and filename to determine whether the file is parsable or not. */ static void -mpages_merge(struct mparse *mp) +mpages_merge(struct dba *dba, struct mparse *mp) { - char any[] = "any"; struct mpage *mpage, *mpage_dest; struct mlink *mlink, *mlink_dest; struct roff_man *man; char *sodest; char *cp; int fd; - unsigned int pslot; - if ( ! nodb) - SQL_EXEC("BEGIN TRANSACTION"); - - mpage = ohash_first(&mpages, &pslot); - while (mpage != NULL) { + for (mpage = mpage_head; mpage != NULL; mpage = mpage->next) { mlinks_undupe(mpage); - if ((mlink = mpage->mlinks) == NULL) { - mpage = ohash_next(&mpages, &pslot); + if ((mlink = mpage->mlinks) == NULL) continue; - } name_mask = NAME_MASK; mandoc_ohash_init(&names, 4, offsetof(struct str, key)); @@ -1134,8 +1131,7 @@ mpages_merge(struct mparse *mp) man = NULL; sodest = NULL; - mparse_open(mp, &fd, mlink->file); - if (fd == -1) { + if ((fd = mparse_open(mp, mlink->file)) == -1) { say(mlink->file, "&open"); goto nextpage; } @@ -1146,6 +1142,8 @@ mpages_merge(struct mparse *mp) */ if (mlink->dform != FORM_CAT || mlink->fform != FORM_CAT) { mparse_readfd(mp, fd, mlink->file); + close(fd); + fd = -1; mparse_result(mp, &man, &sodest); } @@ -1175,8 +1173,8 @@ mpages_merge(struct mparse *mp) * to the target. */ - if (mpage_dest->pageid) - dbadd_mlink_name(mlink); + if (mpage_dest->dba != NULL) + dbadd_mlink(mlink); if (mlink->next == NULL) break; @@ -1202,122 +1200,98 @@ mpages_merge(struct mparse *mp) mpage->title = mandoc_strdup(man->meta.title); } else if (man != NULL && man->macroset == MACROSET_MAN) { man_validate(man); - mpage->form = FORM_SRC; - mpage->sec = mandoc_strdup(man->meta.msec); - mpage->arch = mandoc_strdup(mlink->arch); - mpage->title = mandoc_strdup(man->meta.title); - } else { + if (*man->meta.msec != '\0' || + *man->meta.title != '\0') { + mpage->form = FORM_SRC; + mpage->sec = mandoc_strdup(man->meta.msec); + mpage->arch = mandoc_strdup(mlink->arch); + mpage->title = mandoc_strdup(man->meta.title); + } else + man = NULL; + } + + assert(mpage->desc == NULL); + if (man == NULL) { mpage->form = FORM_CAT; mpage->sec = mandoc_strdup(mlink->dsec); mpage->arch = mandoc_strdup(mlink->arch); mpage->title = mandoc_strdup(mlink->name); + parse_cat(mpage, fd); + } else if (man->macroset == MACROSET_MDOC) + parse_mdoc(mpage, &man->meta, man->first); + else + parse_man(mpage, &man->meta, man->first); + if (mpage->desc == NULL) { + mpage->desc = mandoc_strdup(mlink->name); + if (warnings) + say(mlink->file, "No one-line description, " + "using filename \"%s\"", mlink->name); } - putkey(mpage, mpage->sec, TYPE_sec); - if (*mpage->arch != '\0') - putkey(mpage, mpage->arch, TYPE_arch); - for ( ; mlink != NULL; mlink = mlink->next) { - if ('\0' != *mlink->dsec) - putkey(mpage, mlink->dsec, TYPE_sec); - if ('\0' != *mlink->fsec) - putkey(mpage, mlink->fsec, TYPE_sec); - putkey(mpage, '\0' == *mlink->arch ? - any : mlink->arch, TYPE_arch); + for (mlink = mpage->mlinks; + mlink != NULL; + mlink = mlink->next) { putkey(mpage, mlink->name, NAME_FILE); + if (warnings && !use_all) + mlink_check(mpage, mlink); } - assert(mpage->desc == NULL); - if (man != NULL && man->macroset == MACROSET_MDOC) - parse_mdoc(mpage, &man->meta, man->first); - else if (man != NULL) - parse_man(mpage, &man->meta, man->first); - else - parse_cat(mpage, fd); - if (mpage->desc == NULL) - mpage->desc = mandoc_strdup(mpage->mlinks->name); + dbadd(dba, mpage); - if (warnings && !use_all) - for (mlink = mpage->mlinks; mlink; - mlink = mlink->next) - mlink_check(mpage, mlink); - - dbadd(mpage); - mlink = mpage->mlinks; - nextpage: ohash_delete(&strings); ohash_delete(&names); - mpage = ohash_next(&mpages, &pslot); } - - if (0 == nodb) - SQL_EXEC("END TRANSACTION"); } static void -names_check(void) -{ - sqlite3_stmt *stmt; - const char *name, *sec, *arch, *key; - - sqlite3_prepare_v2(db, - "SELECT name, sec, arch, key FROM (" - "SELECT name AS key, pageid FROM names " - "WHERE bits & ? AND NOT EXISTS (" - "SELECT pageid FROM mlinks " - "WHERE mlinks.pageid == names.pageid " - "AND mlinks.name == names.name" - ")" - ") JOIN (" - "SELECT sec, arch, name, pageid FROM mlinks " - "GROUP BY pageid" - ") USING (pageid);", - -1, &stmt, NULL); - - if (sqlite3_bind_int64(stmt, 1, NAME_TITLE) != SQLITE_OK) - say("", "%s", sqlite3_errmsg(db)); - - while (sqlite3_step(stmt) == SQLITE_ROW) { - name = (const char *)sqlite3_column_text(stmt, 0); - sec = (const char *)sqlite3_column_text(stmt, 1); - arch = (const char *)sqlite3_column_text(stmt, 2); - key = (const char *)sqlite3_column_text(stmt, 3); - say("", "%s(%s%s%s) lacks mlink \"%s\"", name, sec, - '\0' == *arch ? "" : "/", - '\0' == *arch ? "" : arch, key); - } - sqlite3_finalize(stmt); -} - -static void parse_cat(struct mpage *mpage, int fd) { FILE *stream; - char *line, *p, *title; + struct mlink *mlink; + char *line, *p, *title, *sec; size_t linesz, plen, titlesz; ssize_t len; int offs; - stream = (-1 == fd) ? - fopen(mpage->mlinks->file, "r") : - fdopen(fd, "r"); - if (NULL == stream) { - if (-1 != fd) + mlink = mpage->mlinks; + stream = fd == -1 ? fopen(mlink->file, "r") : fdopen(fd, "r"); + if (stream == NULL) { + if (fd != -1) close(fd); if (warnings) - say(mpage->mlinks->file, "&fopen"); + say(mlink->file, "&fopen"); return; } line = NULL; linesz = 0; - /* Skip to first blank line. */ + /* Parse the section number from the header line. */ - while (getline(&line, &linesz, stream) != -1) + while (getline(&line, &linesz, stream) != -1) { if (*line == '\n') + continue; + if ((sec = strchr(line, '(')) == NULL) break; + if ((p = strchr(++sec, ')')) == NULL) + break; + free(mpage->sec); + mpage->sec = mandoc_strndup(sec, p - sec); + if (warnings && *mlink->dsec != '\0' && + strcasecmp(mpage->sec, mlink->dsec)) + say(mlink->file, + "Section \"%s\" manual in %s directory", + mpage->sec, mlink->dsec); + break; + } + /* Skip to first blank line. */ + + while (line == NULL || *line != '\n') + if (getline(&line, &linesz, stream) == -1) + break; + /* * Assume the first line that is not indented * is the first section header. Skip to it. @@ -1361,8 +1335,7 @@ parse_cat(struct mpage *mpage, int fd) if (NULL == title || '\0' == *title) { if (warnings) - say(mpage->mlinks->file, - "Cannot find NAME section"); + say(mlink->file, "Cannot find NAME section"); fclose(stream); free(title); return; @@ -1381,8 +1354,8 @@ parse_cat(struct mpage *mpage, int fd) /* Skip to next word. */ ; } else { if (warnings) - say(mpage->mlinks->file, - "No dash in title line"); + say(mlink->file, "No dash in title line, " + "reusing \"%s\" as one-line description", title); p = title; } @@ -1411,13 +1384,6 @@ parse_cat(struct mpage *mpage, int fd) static void putkey(const struct mpage *mpage, char *value, uint64_t type) { - char *cp; - - assert(NULL != value); - if (TYPE_arch == type) - for (cp = value; *cp; cp++) - if (isupper((unsigned char)*cp)) - *cp = _tolower((unsigned char)*cp); putkeys(mpage, value, strlen(value), type); } @@ -1426,12 +1392,14 @@ putkey(const struct mpage *mpage, char *value, uint64_ */ static void putmdockey(const struct mpage *mpage, - const struct roff_node *n, uint64_t m) + const struct roff_node *n, uint64_t m, int taboo) { for ( ; NULL != n; n = n->next) { + if (n->flags & taboo) + continue; if (NULL != n->child) - putmdockey(mpage, n->child, m); + putmdockey(mpage, n->child, m, taboo); if (n->type == ROFFT_TEXT) putkey(mpage, n->string, m); } @@ -1446,7 +1414,7 @@ parse_man(struct mpage *mpage, const struct roff_meta char byte; size_t sz; - if (NULL == n) + if (n == NULL) return; /* @@ -1458,13 +1426,12 @@ parse_man(struct mpage *mpage, const struct roff_meta if (n->type == ROFFT_BODY && n->tok == MAN_SH) { body = n; - assert(body->parent); - if (NULL != (head = body->parent->head) && - 1 == head->nchild && - NULL != (head = (head->child)) && + if ((head = body->parent->head) != NULL && + (head = head->child) != NULL && + head->next == NULL && head->type == ROFFT_TEXT && - 0 == strcmp(head->string, "NAME") && - NULL != body->child) { + strcmp(head->string, "NAME") == 0 && + body->child != NULL) { /* * Suck the entire NAME section into memory. @@ -1568,23 +1535,26 @@ parse_mdoc(struct mpage *mpage, const struct roff_meta const struct roff_node *n) { - assert(NULL != n); - for (n = n->child; NULL != n; n = n->next) { + for (n = n->child; n != NULL; n = n->next) { + if (n->tok == TOKEN_NONE || + n->tok < ROFF_MAX || + n->flags & mdocs[n->tok].taboo) + continue; + assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX); switch (n->type) { case ROFFT_ELEM: case ROFFT_BLOCK: case ROFFT_HEAD: case ROFFT_BODY: case ROFFT_TAIL: - if (NULL != mdocs[n->tok].fp) - if (0 == (*mdocs[n->tok].fp)(mpage, meta, n)) - break; + if (mdocs[n->tok].fp != NULL && + (*mdocs[n->tok].fp)(mpage, meta, n) == 0) + break; if (mdocs[n->tok].mask) putmdockey(mpage, n->child, - mdocs[n->tok].mask); + mdocs[n->tok].mask, mdocs[n->tok].taboo); break; default: - assert(n->type != ROFFT_ROOT); continue; } if (NULL != n->child) @@ -1697,7 +1667,9 @@ parse_mdoc_Va(struct mpage *mpage, const struct roff_m if (n->type != ROFFT_ELEM && n->type != ROFFT_BODY) return 0; - if (n->nchild == 1 && n->child->type == ROFFT_TEXT) + if (n->child != NULL && + n->child->next == NULL && + n->child->type == ROFFT_TEXT) return 1; cp = NULL; @@ -1747,17 +1719,17 @@ parse_mdoc_Nm(struct mpage *mpage, const struct roff_m { if (SEC_NAME == n->sec) - putmdockey(mpage, n->child, NAME_TITLE); + putmdockey(mpage, n->child, NAME_TITLE, 0); else if (n->sec == SEC_SYNOPSIS && n->type == ROFFT_HEAD) { if (n->child == NULL) putkey(mpage, meta->name, NAME_SYN); else - putmdockey(mpage, n->child, NAME_SYN); + putmdockey(mpage, n->child, NAME_SYN, 0); } if ( ! (mpage->name_head_done || n->child == NULL || n->child->string == NULL || strcasecmp(n->child->string, meta->title))) { - putkey(mpage, n->child->string, ROFFT_HEAD); + putkey(mpage, n->child->string, NAME_HEAD); mpage->name_head_done = 1; } return 0; @@ -1805,15 +1777,16 @@ putkeys(const struct mpage *mpage, char *cp, size_t sz name_mask &= ~NAME_FIRST; if (debug > 1) say(mpage->mlinks->file, - "Adding name %*s, bits=%d", sz, cp, v); + "Adding name %*s, bits=0x%llx", (int)sz, cp, + (unsigned long long)v); } else { htab = &strings; if (debug > 1) - for (i = 0; i < mansearch_keymax; i++) + for (i = 0; i < KEY_MAX; i++) if ((uint64_t)1 << i & v) say(mpage->mlinks->file, "Adding key %s=%*s", - mansearch_keynames[i], sz, cp); + mansearch_keynames[i], (int)sz, cp); } end = cp + sz; @@ -2015,53 +1988,24 @@ render_string(char **public, size_t *psz) static void dbadd_mlink(const struct mlink *mlink) { - size_t i; - - i = 1; - SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->dsec); - SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->arch); - SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->name); - SQL_BIND_INT64(stmts[STMT_INSERT_LINK], i, mlink->mpage->pageid); - SQL_STEP(stmts[STMT_INSERT_LINK]); - sqlite3_reset(stmts[STMT_INSERT_LINK]); + dba_page_alias(mlink->mpage->dba, mlink->name, NAME_FILE); + dba_page_add(mlink->mpage->dba, DBP_SECT, mlink->dsec); + dba_page_add(mlink->mpage->dba, DBP_SECT, mlink->fsec); + dba_page_add(mlink->mpage->dba, DBP_ARCH, mlink->arch); + dba_page_add(mlink->mpage->dba, DBP_FILE, mlink->file); } -static void -dbadd_mlink_name(const struct mlink *mlink) -{ - uint64_t bits; - size_t i; - - dbadd_mlink(mlink); - - i = 1; - SQL_BIND_INT64(stmts[STMT_SELECT_NAME], i, mlink->mpage->pageid); - bits = NAME_FILE & NAME_MASK; - if (sqlite3_step(stmts[STMT_SELECT_NAME]) == SQLITE_ROW) { - bits |= sqlite3_column_int64(stmts[STMT_SELECT_NAME], 0); - sqlite3_reset(stmts[STMT_SELECT_NAME]); - } - - i = 1; - SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, bits); - SQL_BIND_TEXT(stmts[STMT_INSERT_NAME], i, mlink->name); - SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, mlink->mpage->pageid); - SQL_STEP(stmts[STMT_INSERT_NAME]); - sqlite3_reset(stmts[STMT_INSERT_NAME]); -} - /* * Flush the current page's terms (and their bits) into the database. - * Wrap the entire set of additions in a transaction to make sqlite be a - * little faster. * Also, handle escape sequences at the last possible moment. */ static void -dbadd(struct mpage *mpage) +dbadd(struct dba *dba, struct mpage *mpage) { struct mlink *mlink; struct str *key; char *cp; + uint64_t mask; size_t i; unsigned int slot; int mustfree; @@ -2106,305 +2050,164 @@ dbadd(struct mpage *mpage) cp = mpage->desc; i = strlen(cp); mustfree = render_string(&cp, &i); - i = 1; - SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, cp); - SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, mpage->form); - SQL_STEP(stmts[STMT_INSERT_PAGE]); - mpage->pageid = sqlite3_last_insert_rowid(db); - sqlite3_reset(stmts[STMT_INSERT_PAGE]); + mpage->dba = dba_page_new(dba->pages, + *mpage->arch == '\0' ? mlink->arch : mpage->arch, + cp, mlink->file, mpage->form); if (mustfree) free(cp); + dba_page_add(mpage->dba, DBP_SECT, mpage->sec); - while (NULL != mlink) { + while (mlink != NULL) { dbadd_mlink(mlink); mlink = mlink->next; } - mlink = mpage->mlinks; for (key = ohash_first(&names, &slot); NULL != key; key = ohash_next(&names, &slot)) { assert(key->mpage == mpage); - i = 1; - SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, key->mask); - SQL_BIND_TEXT(stmts[STMT_INSERT_NAME], i, key->key); - SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, mpage->pageid); - SQL_STEP(stmts[STMT_INSERT_NAME]); - sqlite3_reset(stmts[STMT_INSERT_NAME]); + dba_page_alias(mpage->dba, key->key, key->mask); free(key); } for (key = ohash_first(&strings, &slot); NULL != key; key = ohash_next(&strings, &slot)) { assert(key->mpage == mpage); - i = 1; - SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, key->mask); - SQL_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->key); - SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, mpage->pageid); - SQL_STEP(stmts[STMT_INSERT_KEY]); - sqlite3_reset(stmts[STMT_INSERT_KEY]); + i = 0; + for (mask = TYPE_Xr; mask <= TYPE_Lb; mask *= 2) { + if (key->mask & mask) + dba_macro_add(dba->macros, i, + key->key, mpage->dba); + i++; + } free(key); } } static void -dbprune(void) +dbprune(struct dba *dba) { - struct mpage *mpage; - struct mlink *mlink; - size_t i; - unsigned int slot; + struct dba_array *page, *files; + char *file; - if (0 == nodb) - SQL_EXEC("BEGIN TRANSACTION"); - - for (mpage = ohash_first(&mpages, &slot); NULL != mpage; - mpage = ohash_next(&mpages, &slot)) { - mlink = mpage->mlinks; - if (debug) - say(mlink->file, "Deleting from database"); - if (nodb) - continue; - for ( ; NULL != mlink; mlink = mlink->next) { - i = 1; - SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE], - i, mlink->dsec); - SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE], - i, mlink->arch); - SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE], - i, mlink->name); - SQL_STEP(stmts[STMT_DELETE_PAGE]); - sqlite3_reset(stmts[STMT_DELETE_PAGE]); + dba_array_FOREACH(dba->pages, page) { + files = dba_array_get(page, DBP_FILE); + dba_array_FOREACH(files, file) { + if (*file < ' ') + file++; + if (ohash_find(&mlinks, ohash_qlookup(&mlinks, + file)) != NULL) { + if (debug) + say(file, "Deleting from database"); + dba_array_del(dba->pages); + break; + } } } - - if (0 == nodb) - SQL_EXEC("END TRANSACTION"); } /* - * Close an existing database and its prepared statements. - * If "real" is not set, rename the temporary file into the real one. + * Write the database from memory to disk. */ static void -dbclose(int real) +dbwrite(struct dba *dba) { - size_t i; - int status; - pid_t child; + struct stat sb1, sb2; + char tfn[33], *cp1, *cp2; + off_t i; + int fd1, fd2; - if (nodb) - return; + /* + * Do not write empty databases, and delete existing ones + * when makewhatis -u causes them to become empty. + */ - for (i = 0; i < STMT__MAX; i++) { - sqlite3_finalize(stmts[i]); - stmts[i] = NULL; + dba_array_start(dba->pages); + if (dba_array_next(dba->pages) == NULL) { + if (unlink(MANDOC_DB) == -1 && errno != ENOENT) + say(MANDOC_DB, "&unlink"); + return; } - sqlite3_close(db); - db = NULL; + /* + * Build the database in a temporary file, + * then atomically move it into place. + */ - if (real) - return; - - if ('\0' == *tempfilename) { - if (-1 == rename(MANDOC_DB "~", MANDOC_DB)) { + if (dba_write(MANDOC_DB "~", dba) != -1) { + if (rename(MANDOC_DB "~", MANDOC_DB) == -1) { exitcode = (int)MANDOCLEVEL_SYSERR; say(MANDOC_DB, "&rename"); + unlink(MANDOC_DB "~"); } return; } - switch (child = fork()) { - case -1: - exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "&fork cmp"); - return; - case 0: - execlp("cmp", "cmp", "-s", - tempfilename, MANDOC_DB, (char *)NULL); - say("", "&exec cmp"); - exit(0); - default: - break; - } - if (-1 == waitpid(child, &status, 0)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "&wait cmp"); - } else if (WIFSIGNALED(status)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "cmp died from signal %d", WTERMSIG(status)); - } else if (WEXITSTATUS(status)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say(MANDOC_DB, - "Data changed, but cannot replace database"); - } + /* + * We lack write permission and cannot replace the database + * file, but let's at least check whether the data changed. + */ - *strrchr(tempfilename, '/') = '\0'; - switch (child = fork()) { - case -1: + (void)strlcpy(tfn, "/tmp/mandocdb.XXXXXXXX", sizeof(tfn)); + if (mkdtemp(tfn) == NULL) { exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "&fork rm"); + say("", "&%s", tfn); return; - case 0: - execlp("rm", "rm", "-rf", tempfilename, (char *)NULL); - say("", "&exec rm"); - exit((int)MANDOCLEVEL_SYSERR); - default: - break; } - if (-1 == waitpid(child, &status, 0)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "&wait rm"); - } else if (WIFSIGNALED(status) || WEXITSTATUS(status)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "%s: Cannot remove temporary directory", - tempfilename); + cp1 = cp2 = MAP_FAILED; + fd1 = fd2 = -1; + (void)strlcat(tfn, "/" MANDOC_DB, sizeof(tfn)); + if (dba_write(tfn, dba) == -1) { + say(tfn, "&dba_write"); + goto err; } -} - -/* - * This is straightforward stuff. - * Open a database connection to a "temporary" database, then open a set - * of prepared statements we'll use over and over again. - * If "real" is set, we use the existing database; if not, we truncate a - * temporary one. - * Must be matched by dbclose(). - */ -static int -dbopen(int real) -{ - const char *sql; - int rc, ofl; - - if (nodb) - return 1; - - *tempfilename = '\0'; - ofl = SQLITE_OPEN_READWRITE; - - if (real) { - rc = sqlite3_open_v2(MANDOC_DB, &db, ofl, NULL); - if (SQLITE_OK != rc) { - exitcode = (int)MANDOCLEVEL_SYSERR; - if (SQLITE_CANTOPEN != rc) - say(MANDOC_DB, "%s", sqlite3_errstr(rc)); - return 0; - } - goto prepare_statements; + if ((fd1 = open(MANDOC_DB, O_RDONLY, 0)) == -1) { + say(MANDOC_DB, "&open"); + goto err; } - - ofl |= SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE; - - remove(MANDOC_DB "~"); - rc = sqlite3_open_v2(MANDOC_DB "~", &db, ofl, NULL); - if (SQLITE_OK == rc) - goto create_tables; - if (MPARSE_QUICK & mparse_options) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say(MANDOC_DB "~", "%s", sqlite3_errstr(rc)); - return 0; + if ((fd2 = open(tfn, O_RDONLY, 0)) == -1) { + say(tfn, "&open"); + goto err; } - - (void)strlcpy(tempfilename, "/tmp/mandocdb.XXXXXX", - sizeof(tempfilename)); - if (NULL == mkdtemp(tempfilename)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "&%s", tempfilename); - return 0; + if (fstat(fd1, &sb1) == -1) { + say(MANDOC_DB, "&fstat"); + goto err; } - (void)strlcat(tempfilename, "/" MANDOC_DB, - sizeof(tempfilename)); - rc = sqlite3_open_v2(tempfilename, &db, ofl, NULL); - if (SQLITE_OK != rc) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say("", "%s: %s", tempfilename, sqlite3_errstr(rc)); - return 0; + if (fstat(fd2, &sb2) == -1) { + say(tfn, "&fstat"); + goto err; } - -create_tables: - sql = "CREATE TABLE \"mpages\" (\n" - " \"desc\" TEXT NOT NULL,\n" - " \"form\" INTEGER NOT NULL,\n" - " \"pageid\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n" - ");\n" - "\n" - "CREATE TABLE \"mlinks\" (\n" - " \"sec\" TEXT NOT NULL,\n" - " \"arch\" TEXT NOT NULL,\n" - " \"name\" TEXT NOT NULL,\n" - " \"pageid\" INTEGER NOT NULL REFERENCES mpages(pageid) " - "ON DELETE CASCADE\n" - ");\n" - "CREATE INDEX mlinks_pageid_idx ON mlinks (pageid);\n" - "\n" - "CREATE TABLE \"names\" (\n" - " \"bits\" INTEGER NOT NULL,\n" - " \"name\" TEXT NOT NULL,\n" - " \"pageid\" INTEGER NOT NULL REFERENCES mpages(pageid) " - "ON DELETE CASCADE,\n" - " UNIQUE (\"name\", \"pageid\") ON CONFLICT REPLACE\n" - ");\n" - "\n" - "CREATE TABLE \"keys\" (\n" - " \"bits\" INTEGER NOT NULL,\n" - " \"key\" TEXT NOT NULL,\n" - " \"pageid\" INTEGER NOT NULL REFERENCES mpages(pageid) " - "ON DELETE CASCADE\n" - ");\n" - "CREATE INDEX keys_pageid_idx ON keys (pageid);\n"; - - if (SQLITE_OK != sqlite3_exec(db, sql, NULL, NULL, NULL)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say(MANDOC_DB, "%s", sqlite3_errmsg(db)); - sqlite3_close(db); - return 0; + if (sb1.st_size != sb2.st_size) + goto err; + if ((cp1 = mmap(NULL, sb1.st_size, PROT_READ, MAP_PRIVATE, + fd1, 0)) == MAP_FAILED) { + say(MANDOC_DB, "&mmap"); + goto err; } - -prepare_statements: - if (SQLITE_OK != sqlite3_exec(db, - "PRAGMA foreign_keys = ON", NULL, NULL, NULL)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say(MANDOC_DB, "PRAGMA foreign_keys: %s", - sqlite3_errmsg(db)); - sqlite3_close(db); - return 0; + if ((cp2 = mmap(NULL, sb2.st_size, PROT_READ, MAP_PRIVATE, + fd2, 0)) == MAP_FAILED) { + say(tfn, "&mmap"); + goto err; } + for (i = 0; i < sb1.st_size; i++) + if (cp1[i] != cp2[i]) + goto err; + goto out; - sql = "DELETE FROM mpages WHERE pageid IN " - "(SELECT pageid FROM mlinks WHERE " - "sec=? AND arch=? AND name=?)"; - sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_DELETE_PAGE], NULL); - sql = "INSERT INTO mpages " - "(desc,form) VALUES (?,?)"; - sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_PAGE], NULL); - sql = "INSERT INTO mlinks " - "(sec,arch,name,pageid) VALUES (?,?,?,?)"; - sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_LINK], NULL); - sql = "SELECT bits FROM names where pageid = ?"; - sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_SELECT_NAME], NULL); - sql = "INSERT INTO names " - "(bits,name,pageid) VALUES (?,?,?)"; - sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_NAME], NULL); - sql = "INSERT INTO keys " - "(bits,key,pageid) VALUES (?,?,?)"; - sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_KEY], NULL); +err: + exitcode = (int)MANDOCLEVEL_SYSERR; + say(MANDOC_DB, "Data changed, but cannot replace database"); -#ifndef __APPLE__ - /* - * When opening a new database, we can turn off - * synchronous mode for much better performance. - */ - - if (real && SQLITE_OK != sqlite3_exec(db, - "PRAGMA synchronous = OFF", NULL, NULL, NULL)) { - exitcode = (int)MANDOCLEVEL_SYSERR; - say(MANDOC_DB, "PRAGMA synchronous: %s", - sqlite3_errmsg(db)); - sqlite3_close(db); - return 0; - } -#endif - - return 1; +out: + if (cp1 != MAP_FAILED) + munmap(cp1, sb1.st_size); + if (cp2 != MAP_FAILED) + munmap(cp2, sb2.st_size); + if (fd1 != -1) + close(fd1); + if (fd2 != -1) + close(fd2); + unlink(tfn); + *strrchr(tfn, '/') = '\0'; + rmdir(tfn); } static int