mandoc/mandocdb.c - diff

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Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/mandocdb.c between version 1.230 and 1.256

version 1.230, 2016/09/02 14:03:30

version 1.256, 2017/08/26 20:38:14

Line 1

/* $Id$ */

* Permission to use, copy, modify, and distribute this software for any

* purpose with or without fee is hereby granted, provided that the above

Line 18

Line 19

#include "config.h"

#include <sys/types.h>

#include <sys/mman.h>

#include <sys/stat.h>

#include <sys/wait.h>

#include <assert.h>

#include <ctype.h>

Line 84 struct mpage {

Line 85 struct mpage {

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 name_head_done;

enum form form; /* format from file content */

Line 108 typedef int (*mdoc_fp)(struct mpage *, const struct ro

Line 110 typedef int (*mdoc_fp)(struct mpage *, const struct ro

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 */

};

Line 118 static void dbadd_mlink(const struct mlink *mlink);

Line 121 static void dbadd_mlink(const struct mlink *mlink);

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 *);

int mpages_compare(const void *, const void *);

static void mpages_free(void);

static void mpages_merge(struct dba *, struct mparse *);

static void parse_cat(struct mpage *, int);

Line 152 static int parse_mdoc_Xr(struct mpage *, const struct

Line 159 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 *, ...)

__attribute__((__format__ (printf, 2, 3)));

__attribute__((__format__ (__printf__, 2, 3)));

static int set_basedir(const char *, int);

static int treescan(void);

static size_t utf8(unsigned int, char [7]);

Line 169 static int write_utf8; /* write UTF-8 output; else A

Line 176 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 uint64_t name_mask;

static const struct mdoc_handler mdocs[MDOC_MAX] = {

static const struct mdoc_handler __mdocs[MDOC_MAX - MDOC_Dd] = {

{ NULL, 0 }, /* Ap */

{ NULL, 0, NODE_NOPRT }, /* Dd */

{ NULL, 0 }, /* Dd */

{ NULL, 0, NODE_NOPRT }, /* Dt */

{ NULL, 0 }, /* Dt */

{ NULL, 0, NODE_NOPRT }, /* Os */

{ NULL, 0 }, /* Os */

{ parse_mdoc_Sh, TYPE_Sh, 0 }, /* Sh */

{ parse_mdoc_Sh, TYPE_Sh }, /* Sh */

{ parse_mdoc_head, TYPE_Ss, 0 }, /* Ss */

{ parse_mdoc_head, TYPE_Ss }, /* Ss */

{ NULL, 0, 0 }, /* Pp */

{ NULL, 0 }, /* Pp */

{ NULL, 0, 0 }, /* D1 */

{ NULL, 0 }, /* D1 */

{ NULL, 0, 0 }, /* Dl */

{ NULL, 0 }, /* Dl */

{ NULL, 0, 0 }, /* Bd */

{ NULL, 0 }, /* Bd */

{ NULL, 0, 0 }, /* Ed */

{ NULL, 0 }, /* Ed */

{ NULL, 0, 0 }, /* Bl */

{ NULL, 0 }, /* Bl */

{ NULL, 0, 0 }, /* El */

{ NULL, 0 }, /* El */

{ NULL, 0, 0 }, /* It */

{ NULL, 0 }, /* It */

{ NULL, 0, 0 }, /* Ad */

{ NULL, 0 }, /* Ad */

{ NULL, TYPE_An, 0 }, /* An */

{ NULL, TYPE_An }, /* An */

{ NULL, 0, 0 }, /* Ap */

{ NULL, TYPE_Ar }, /* Ar */

{ NULL, TYPE_Ar, 0 }, /* Ar */

{ NULL, TYPE_Cd }, /* Cd */

{ NULL, TYPE_Cd, 0 }, /* Cd */

{ NULL, TYPE_Cm }, /* Cm */

{ NULL, TYPE_Cm, 0 }, /* Cm */

{ NULL, TYPE_Dv }, /* Dv */

{ NULL, TYPE_Dv, 0 }, /* Dv */

{ NULL, TYPE_Er }, /* Er */

{ NULL, TYPE_Er, 0 }, /* Er */

{ NULL, TYPE_Ev }, /* Ev */

{ NULL, TYPE_Ev, 0 }, /* Ev */

{ NULL, 0 }, /* Ex */

{ NULL, 0, 0 }, /* Ex */

{ NULL, TYPE_Fa }, /* Fa */

{ NULL, TYPE_Fa, 0 }, /* Fa */

{ parse_mdoc_Fd, 0 }, /* Fd */

{ parse_mdoc_Fd, 0, 0 }, /* Fd */

{ NULL, TYPE_Fl }, /* Fl */

{ NULL, TYPE_Fl, 0 }, /* Fl */

{ parse_mdoc_Fn, 0 }, /* Fn */

{ parse_mdoc_Fn, 0, 0 }, /* Fn */

{ NULL, TYPE_Ft }, /* Ft */

{ NULL, TYPE_Ft, 0 }, /* Ft */

{ NULL, TYPE_Ic }, /* Ic */

{ NULL, TYPE_Ic, 0 }, /* Ic */

{ NULL, TYPE_In }, /* In */

{ NULL, TYPE_In, 0 }, /* In */

{ NULL, TYPE_Li }, /* Li */

{ NULL, TYPE_Li, 0 }, /* Li */

{ parse_mdoc_Nd, 0 }, /* Nd */

{ parse_mdoc_Nd, 0, 0 }, /* Nd */

{ parse_mdoc_Nm, 0 }, /* Nm */

{ parse_mdoc_Nm, 0, 0 }, /* Nm */

{ NULL, 0 }, /* Op */

{ NULL, 0, 0 }, /* Op */

{ NULL, 0 }, /* Ot */

{ NULL, 0, 0 }, /* Ot */

{ NULL, TYPE_Pa }, /* Pa */

{ NULL, TYPE_Pa, NODE_NOSRC }, /* Pa */

{ NULL, 0 }, /* Rv */

{ NULL, 0, 0 }, /* Rv */

{ NULL, TYPE_St }, /* St */

{ NULL, TYPE_St, 0 }, /* St */

{ parse_mdoc_Va, TYPE_Va }, /* Va */

{ parse_mdoc_Va, TYPE_Va, 0 }, /* Va */

{ parse_mdoc_Va, TYPE_Vt }, /* Vt */

{ parse_mdoc_Va, TYPE_Vt, 0 }, /* Vt */

{ parse_mdoc_Xr, 0 }, /* Xr */

{ parse_mdoc_Xr, 0, 0 }, /* Xr */

{ NULL, 0 }, /* %A */

{ NULL, 0, 0 }, /* %A */

{ NULL, 0 }, /* %B */

{ NULL, 0, 0 }, /* %B */

{ NULL, 0 }, /* %D */

{ NULL, 0, 0 }, /* %D */

{ NULL, 0 }, /* %I */

{ NULL, 0, 0 }, /* %I */

{ NULL, 0 }, /* %J */

{ NULL, 0, 0 }, /* %J */

{ NULL, 0 }, /* %N */

{ NULL, 0, 0 }, /* %N */

{ NULL, 0 }, /* %O */

{ NULL, 0, 0 }, /* %O */

{ NULL, 0 }, /* %P */

{ NULL, 0, 0 }, /* %P */

{ NULL, 0 }, /* %R */

{ NULL, 0, 0 }, /* %R */

{ NULL, 0 }, /* %T */

{ NULL, 0, 0 }, /* %T */

{ NULL, 0 }, /* %V */

{ NULL, 0, 0 }, /* %V */

{ NULL, 0 }, /* Ac */

{ NULL, 0, 0 }, /* Ac */

{ NULL, 0 }, /* Ao */

{ NULL, 0, 0 }, /* Ao */

{ NULL, 0 }, /* Aq */

{ NULL, 0, 0 }, /* Aq */

{ NULL, TYPE_At }, /* At */

{ NULL, TYPE_At, 0 }, /* At */

{ NULL, 0 }, /* Bc */

{ NULL, 0, 0 }, /* Bc */

{ NULL, 0 }, /* Bf */

{ NULL, 0, 0 }, /* Bf */

{ NULL, 0 }, /* Bo */

{ NULL, 0, 0 }, /* Bo */

{ NULL, 0 }, /* Bq */

{ NULL, 0, 0 }, /* Bq */

{ NULL, TYPE_Bsx }, /* Bsx */

{ NULL, TYPE_Bsx, NODE_NOSRC }, /* Bsx */

{ NULL, TYPE_Bx }, /* Bx */

{ NULL, TYPE_Bx, NODE_NOSRC }, /* Bx */

{ NULL, 0 }, /* Db */

{ NULL, 0, 0 }, /* Db */

{ NULL, 0 }, /* Dc */

{ NULL, 0, 0 }, /* Dc */

{ NULL, 0 }, /* Do */

{ NULL, 0, 0 }, /* Do */

{ NULL, 0 }, /* Dq */

{ NULL, 0, 0 }, /* Dq */

{ NULL, 0 }, /* Ec */

{ NULL, 0, 0 }, /* Ec */

{ NULL, 0 }, /* Ef */

{ NULL, 0, 0 }, /* Ef */

{ NULL, TYPE_Em }, /* Em */

{ NULL, TYPE_Em, 0 }, /* Em */

{ NULL, 0 }, /* Eo */

{ NULL, 0, 0 }, /* Eo */

{ NULL, TYPE_Fx }, /* Fx */

{ NULL, TYPE_Fx, NODE_NOSRC }, /* Fx */

{ NULL, TYPE_Ms }, /* Ms */

{ NULL, TYPE_Ms, 0 }, /* Ms */

{ NULL, 0 }, /* No */

{ NULL, 0, 0 }, /* No */

{ NULL, 0 }, /* Ns */

{ NULL, 0, 0 }, /* Ns */

{ NULL, TYPE_Nx }, /* Nx */

{ NULL, TYPE_Nx, NODE_NOSRC }, /* Nx */

{ NULL, TYPE_Ox }, /* Ox */

{ NULL, TYPE_Ox, NODE_NOSRC }, /* Ox */

{ NULL, 0 }, /* Pc */

{ NULL, 0, 0 }, /* Pc */

{ NULL, 0 }, /* Pf */

{ NULL, 0, 0 }, /* Pf */

{ NULL, 0 }, /* Po */

{ NULL, 0, 0 }, /* Po */

{ NULL, 0 }, /* Pq */

{ NULL, 0, 0 }, /* Pq */

{ NULL, 0 }, /* Qc */

{ NULL, 0, 0 }, /* Qc */

{ NULL, 0 }, /* Ql */

{ NULL, 0, 0 }, /* Ql */

{ NULL, 0 }, /* Qo */

{ NULL, 0, 0 }, /* Qo */

{ NULL, 0 }, /* Qq */

{ NULL, 0, 0 }, /* Qq */

{ NULL, 0 }, /* Re */

{ NULL, 0, 0 }, /* Re */

{ NULL, 0 }, /* Rs */

{ NULL, 0, 0 }, /* Rs */

{ NULL, 0 }, /* Sc */

{ NULL, 0, 0 }, /* Sc */

{ NULL, 0 }, /* So */

{ NULL, 0, 0 }, /* So */

{ NULL, 0 }, /* Sq */

{ NULL, 0, 0 }, /* Sq */

{ NULL, 0 }, /* Sm */

{ NULL, 0, 0 }, /* Sm */

{ NULL, 0 }, /* Sx */

{ NULL, 0, 0 }, /* Sx */

{ NULL, TYPE_Sy }, /* Sy */

{ NULL, TYPE_Sy, 0 }, /* Sy */

{ NULL, TYPE_Tn }, /* Tn */

{ NULL, TYPE_Tn, 0 }, /* Tn */

{ NULL, 0 }, /* Ux */

{ NULL, 0, NODE_NOSRC }, /* Ux */

{ NULL, 0 }, /* Xc */

{ NULL, 0, 0 }, /* Xc */

{ NULL, 0 }, /* Xo */

{ NULL, 0, 0 }, /* Xo */

{ parse_mdoc_Fo, 0 }, /* Fo */

{ parse_mdoc_Fo, 0, 0 }, /* Fo */

{ NULL, 0 }, /* Fc */

{ NULL, 0, 0 }, /* Fc */

{ NULL, 0 }, /* Oo */

{ NULL, 0, 0 }, /* Oo */

{ NULL, 0 }, /* Oc */

{ NULL, 0, 0 }, /* Oc */

{ NULL, 0 }, /* Bk */

{ NULL, 0, 0 }, /* Bk */

{ NULL, 0 }, /* Ek */

{ NULL, 0, 0 }, /* Ek */

{ NULL, 0 }, /* Bt */

{ NULL, 0, 0 }, /* Bt */

{ NULL, 0 }, /* Hf */

{ NULL, 0, 0 }, /* Hf */

{ NULL, 0 }, /* Fr */

{ NULL, 0, 0 }, /* Fr */

{ NULL, 0 }, /* Ud */

{ NULL, 0, 0 }, /* Ud */

{ NULL, TYPE_Lb }, /* Lb */

{ NULL, TYPE_Lb, NODE_NOSRC }, /* Lb */

{ NULL, 0 }, /* Lp */

{ NULL, 0, 0 }, /* Lp */

{ NULL, TYPE_Lk }, /* Lk */

{ NULL, TYPE_Lk, 0 }, /* Lk */

{ NULL, TYPE_Mt }, /* Mt */

{ NULL, TYPE_Mt, NODE_NOSRC }, /* Mt */

{ NULL, 0 }, /* Brq */

{ NULL, 0, 0 }, /* Brq */

{ NULL, 0 }, /* Bro */

{ NULL, 0, 0 }, /* Bro */

{ NULL, 0 }, /* Brc */

{ NULL, 0, 0 }, /* Brc */

{ NULL, 0 }, /* %C */

{ NULL, 0, 0 }, /* %C */

{ NULL, 0 }, /* Es */

{ NULL, 0, 0 }, /* Es */

{ NULL, 0 }, /* En */

{ NULL, 0, 0 }, /* En */

{ NULL, TYPE_Dx }, /* Dx */

{ NULL, TYPE_Dx, NODE_NOSRC }, /* Dx */

{ NULL, 0 }, /* %Q */

{ NULL, 0, 0 }, /* %Q */

{ NULL, 0 }, /* br */

{ NULL, 0, 0 }, /* %U */

{ NULL, 0 }, /* sp */

{ NULL, 0, 0 }, /* Ta */

{ NULL, 0 }, /* %U */

{ NULL, 0 }, /* Ta */

{ NULL, 0 }, /* ll */

};

static const struct mdoc_handler *const mdocs = __mdocs - MDOC_Dd;

int

Line 313 mandocdb(int argc, char *argv[])

Line 319 mandocdb(int argc, char *argv[])

int ch, i;

#if HAVE_PLEDGE

if (pledge("stdio rpath wpath cpath fattr flock proc exec", NULL) == -1) {

if (pledge("stdio rpath wpath cpath", NULL) == -1) {

warn("pledge");

return (int)MANDOCLEVEL_SYSERR;

}

Line 414 mandocdb(int argc, char *argv[])

Line 420 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));

Line 433 mandocdb(int argc, char *argv[])

Line 440 mandocdb(int argc, char *argv[])

* 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) {

warn("pledge");

exitcode = (int)MANDOCLEVEL_SYSERR;

goto out;

}

#endif

use_all = 1;

for (i = 0; i < argc; i++)

filescan(argv[i]);

Line 540 usage:

Line 538 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.

Line 567 treescan(void)

Line 579 treescan(void)

const char *argv[2];

argv[0] = ".";

argv[1] = (char *)NULL;

argv[1] = NULL;

f = fts_open((char * const *)argv,

f = fts_open((char * const *)argv, FTS_PHYSICAL | FTS_NOCHDIR,

FTS_PHYSICAL | FTS_NOCHDIR, NULL);

fts_compare);

if (f == NULL) {

exitcode = (int)MANDOCLEVEL_SYSERR;

say("", "&fts_open");

Line 850 filescan(const char *file)

Line 862 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,

Line 936 mlink_add(struct mlink *mlink, const struct stat *st)

Line 962 mlink_add(struct mlink *mlink, const struct stat *st)

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;

Line 959 mpages_free(void)

Line 987 mpages_free(void)

{

struct mpage *mpage;

struct mlink *mlink;

unsigned int slot;

mpage = ohash_first(&mpages, &slot);

while ((mpage = mpage_head) != NULL) {

while (NULL != mpage) {

while ((mlink = mpage->mlinks) != NULL) {

while (NULL != (mlink = mpage->mlinks)) {

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);

}

Line 1086 mlink_check(struct mpage *mpage, struct mlink *mlink)

Line 1112 mlink_check(struct mpage *mpage, struct mlink *mlink)

static void

mpages_merge(struct dba *dba, struct mparse *mp)

{

struct mpage **mplist, *mpage, *mpage_dest;

struct mpage *mpage, *mpage_dest;

struct mlink *mlink, *mlink_dest;

struct roff_man *man;

char *sodest;

char *cp;

int fd;

unsigned int ip, npages, pslot;

npages = ohash_entries(&mpages);

for (mpage = mpage_head; mpage != NULL; mpage = mpage->next) {

mplist = mandoc_reallocarray(NULL, npages, sizeof(*mplist));

ip = 0;

mpage = ohash_first(&mpages, &pslot);

while (mpage != NULL) {

mlinks_undupe(mpage);

if (mpage->mlinks != NULL)

if ((mlink = mpage->mlinks) == NULL)

mplist[ip++] = mpage;

continue;

mpage = ohash_next(&mpages, &pslot);

}

npages = ip;

qsort(mplist, npages, sizeof(*mplist), mpages_compare);

for (ip = 0; ip < npages; ip++) {

mpage = mplist[ip];

mlink = mpage->mlinks;

name_mask = NAME_MASK;

mandoc_ohash_init(&names, 4, offsetof(struct str, key));

mandoc_ohash_init(&strings, 6, offsetof(struct str, key));

Line 1129 mpages_merge(struct dba *dba, struct mparse *mp)

Line 1143 mpages_merge(struct dba *dba, 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);

}

Line 1185 mpages_merge(struct dba *dba, struct mparse *mp)

Line 1200 mpages_merge(struct dba *dba, 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;

if (*man->meta.msec != '\0' ||

mpage->sec = mandoc_strdup(man->meta.msec);

*man->meta.title != '\0') {

mpage->arch = mandoc_strdup(mlink->arch);

mpage->form = FORM_SRC;

mpage->title = mandoc_strdup(man->meta.title);

mpage->sec = mandoc_strdup(man->meta.msec);

} else {

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)

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);

parse_man(mpage, &man->meta, man->first);

if (mpage->desc == NULL)

if (mpage->desc == NULL) {

mpage->desc = mandoc_strdup(mpage->mlinks->name);

mpage->desc = mandoc_strdup(mlink->name);

if (warnings)

say(mlink->file, "No one-line description, "

"using filename \"%s\"", mlink->name);

}

if (warnings && !use_all)

for (mlink = mpage->mlinks;

for (mlink = mpage->mlinks; mlink;

mlink != NULL;

mlink = mlink->next)

mlink = mlink->next) {

putkey(mpage, mlink->name, NAME_FILE);

if (warnings && !use_all)

mlink_check(mpage, mlink);

}

dbadd(dba, mpage);

mlink = mpage->mlinks;

ohash_delete(&strings);

ohash_delete(&names);

}

free(mplist);

}

int

mpages_compare(const void *vp1, const void *vp2)

{

const struct mpage *mp1, *mp2;

mp1 = *(const struct mpage **)vp1;

mp2 = *(const struct mpage **)vp2;

return strcmp(mp1->mlinks->file, mp2->mlinks->file);

}

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) ?

mlink = mpage->mlinks;

fopen(mpage->mlinks->file, "r") :

stream = fd == -1 ? fopen(mlink->file, "r") : fdopen(fd, "r");

fdopen(fd, "r");

if (stream == NULL) {

if (NULL == stream) {

if (fd != -1)

if (-1 != fd)

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.

Line 1303 parse_cat(struct mpage *mpage, int fd)

Line 1335 parse_cat(struct mpage *mpage, int fd)

if (NULL == title || '\0' == *title) {

if (warnings)

say(mpage->mlinks->file,

say(mlink->file, "Cannot find NAME section");

"Cannot find NAME section");

fclose(stream);

free(title);

return;

Line 1323 parse_cat(struct mpage *mpage, int fd)

Line 1354 parse_cat(struct mpage *mpage, int fd)

/* Skip to next word. */ ;

} else {

if (warnings)

say(mpage->mlinks->file,

say(mlink->file, "No dash in title line, "

"No dash in title line");

"reusing \"%s\" as one-line description", title);

p = title;

}

Line 1361 putkey(const struct mpage *mpage, char *value, uint64_

Line 1392 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);

}

Line 1502 parse_mdoc(struct mpage *mpage, const struct roff_meta

Line 1535 parse_mdoc(struct mpage *mpage, const struct roff_meta

const struct roff_node *n)

{

assert(NULL != n);

for (n = n->child; n != NULL; n = n->next) {

for (n = n->child; NULL != n; 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 (mdocs[n->tok].fp != NULL &&

if (0 == (*mdocs[n->tok].fp)(mpage, meta, n))

(*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)

Line 1683 parse_mdoc_Nm(struct mpage *mpage, const struct roff_m

Line 1719 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 ||

Line 1741 putkeys(const struct mpage *mpage, char *cp, size_t sz

Line 1777 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=0x%llu", (int)sz, cp, v);

"Adding name %*s, bits=0x%llx", (int)sz, cp,

(unsigned long long)v);

} else {

htab = &strings;

if (debug > 1)

Line 2073 dbprune(struct dba *dba)

Line 2110 dbprune(struct dba *dba)

static void

dbwrite(struct dba *dba)

{

char tfn[32];

struct stat sb1, sb2;

int status;

char tfn[33], *cp1, *cp2;

pid_t child;

off_t i;

int fd1, fd2;

* Do not write empty databases, and delete existing ones

* when makewhatis -u causes them to become empty.

dba_array_start(dba->pages);

if (dba_array_next(dba->pages) == NULL) {

if (unlink(MANDOC_DB) == -1 && errno != ENOENT)

say(MANDOC_DB, "&unlink");

return;

}

* Build the database in a temporary file,

* then atomically move it into place.

if (dba_write(MANDOC_DB "~", dba) != -1) {

if (rename(MANDOC_DB "~", MANDOC_DB) == -1) {

exitcode = (int)MANDOCLEVEL_SYSERR;

Line 2086 dbwrite(struct dba *dba)

Line 2141 dbwrite(struct dba *dba)

return;

}

* We lack write permission and cannot replace the database

* file, but let's at least check whether the data changed.

(void)strlcpy(tfn, "/tmp/mandocdb.XXXXXXXX", sizeof(tfn));

if (mkdtemp(tfn) == NULL) {

exitcode = (int)MANDOCLEVEL_SYSERR;

say("", "&%s", tfn);

return;

}

cp1 = cp2 = MAP_FAILED;

fd1 = fd2 = -1;

(void)strlcat(tfn, "/" MANDOC_DB, sizeof(tfn));

if (dba_write(tfn, dba) == -1) {

exitcode = (int)MANDOCLEVEL_SYSERR;

say(tfn, "&dba_write");

goto out;

goto err;

}

if ((fd1 = open(MANDOC_DB, O_RDONLY, 0)) == -1) {

switch (child = fork()) {

say(MANDOC_DB, "&open");

case -1:

goto err;

exitcode = (int)MANDOCLEVEL_SYSERR;

say("", "&fork cmp");

return;

case 0:

execlp("cmp", "cmp", "-s", tfn, MANDOC_DB, (char *)NULL);

say("", "&exec cmp");

exit(0);

default:

break;

}

if (waitpid(child, &status, 0) == -1) {

if ((fd2 = open(tfn, O_RDONLY, 0)) == -1) {

exitcode = (int)MANDOCLEVEL_SYSERR;

say(tfn, "&open");

say("", "&wait cmp");

goto err;

} 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");

}

if (fstat(fd1, &sb1) == -1) {

say(MANDOC_DB, "&fstat");

goto err;

}

if (fstat(fd2, &sb2) == -1) {

say(tfn, "&fstat");

goto err;

}

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;

}

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;

err:

exitcode = (int)MANDOCLEVEL_SYSERR;

say(MANDOC_DB, "Data changed, but cannot replace database");

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';

switch (child = fork()) {

rmdir(tfn);

case -1:

exitcode = (int)MANDOCLEVEL_SYSERR;

say("", "&fork rm");

return;

case 0:

execlp("rm", "rm", "-rf", tfn, (char *)NULL);

say("", "&exec rm");

exit((int)MANDOCLEVEL_SYSERR);

default:

break;

}

if (waitpid(child, &status, 0) == -1) {

exitcode = (int)MANDOCLEVEL_SYSERR;

say("", "&wait rm");

} else if (WIFSIGNALED(status) || WEXITSTATUS(status)) {

exitcode = (int)MANDOCLEVEL_SYSERR;

say("", "%s: Cannot remove temporary directory", tfn);

}

static int

CVSweb