-/* $Id: mandocdb.c,v 1.15 2011/11/27 23:11:37 schwarze Exp $ */
+/* $Id: mandocdb.c,v 1.23 2011/12/03 18:47:09 kristaps Exp $ */
/*
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
-#ifdef __linux__
+#if defined(__linux__)
+# include <endian.h>
# include <db_185.h>
+#elif defined(__APPLE__)
+# include <libkern/OSByteOrder.h>
+# include <db.h>
#else
# include <db.h>
#endif
static void hash_put(DB *, const struct buf *, uint64_t);
static void hash_reset(DB **);
static void index_merge(const struct of *, struct mparse *,
- struct buf *, struct buf *,
- DB *, DB *, const char *,
- DB *, const char *, int, int,
+ struct buf *, struct buf *, DB *,
+ DB *, const char *, DB *, const char *,
recno_t, const recno_t *, size_t);
static void index_prune(const struct of *, DB *,
const char *, DB *, const char *,
- int, recno_t *, recno_t **, size_t *);
-static void ofile_argbuild(char *[], int, int, int,
- struct of **);
+ recno_t *, recno_t **, size_t *);
+static void ofile_argbuild(int, char *[], struct of **);
static int ofile_dirbuild(const char *, const char *,
- const char *, int, int, int,
- struct of **);
+ const char *, int, struct of **);
static void ofile_free(struct of *);
static void pformatted(DB *, struct buf *, struct buf *,
const struct of *);
};
static const char *progname;
+static int use_all; /* Use all directories and files. */
+static int verb; /* Output verbosity level. */
int
main(int argc, char *argv[])
const char *dir;
char ibuf[MAXPATHLEN], /* index fname */
fbuf[MAXPATHLEN]; /* btree fname */
- int verb, /* output verbosity */
- use_all, /* use all directories and files */
- ch, i, flags;
+ int ch, i, flags;
DB *idx, /* index database */
*db, /* keyword database */
*hash; /* temporary keyword hashtable */
printf("%s: Opened\n", ibuf);
}
- ofile_argbuild(argv, argc, use_all, verb, &of);
+ ofile_argbuild(argc, argv, &of);
if (NULL == of)
goto out;
of = of->first;
- index_prune(of, db, fbuf, idx, ibuf, verb,
+ index_prune(of, db, fbuf, idx, ibuf,
&maxrec, &recs, &recsz);
- if (OP_UPDATE == op)
+ /*
+ * Go to the root of the respective manual tree
+ * such that .so links work. In case of failure,
+ * just prod on, even though .so links won't work.
+ */
+
+ if (OP_UPDATE == op) {
+ chdir(dir);
index_merge(of, mp, &dbuf, &buf, hash,
- db, fbuf, idx, ibuf, use_all,
- verb, maxrec, recs, reccur);
+ db, fbuf, idx, ibuf,
+ maxrec, recs, reccur);
+ }
goto out;
}
of = NULL;
if ( ! ofile_dirbuild(dirs.paths[i], NULL, NULL,
- 0, use_all, verb, &of))
+ 0, &of))
exit((int)MANDOCLEVEL_SYSERR);
if (NULL == of)
of = of->first;
+ /*
+ * Go to the root of the respective manual tree
+ * such that .so links work. In case of failure,
+ * just prod on, even though .so links won't work.
+ */
+
+ chdir(dirs.paths[i]);
index_merge(of, mp, &dbuf, &buf, hash, db, fbuf,
- idx, ibuf, use_all, verb,
- maxrec, recs, reccur);
+ idx, ibuf, maxrec, recs, reccur);
}
out:
void
index_merge(const struct of *of, struct mparse *mp,
- struct buf *dbuf, struct buf *buf,
- DB *hash, DB *db, const char *dbf,
- DB *idx, const char *idxf, int use_all, int verb,
+ struct buf *dbuf, struct buf *buf, DB *hash,
+ DB *db, const char *dbf, DB *idx, const char *idxf,
recno_t maxrec, const recno_t *recs, size_t reccur)
{
recno_t rec;
* into the database.
*/
- vbuf.rec = rec;
+ vbuf.rec = htobe32(rec);
seq = R_FIRST;
while (0 == (ch = (*hash->seq)(hash, &key, &val, seq))) {
seq = R_NEXT;
-
- vbuf.mask = *(uint64_t *)val.data;
+ vbuf.mask = htobe64(*(uint64_t *)val.data);
val.size = sizeof(struct db_val);
val.data = &vbuf;
-
- if (verb > 1)
- printf("%s: Added keyword: %s\n",
- fn, (char *)key.data);
dbt_put(db, dbf, &key, &val);
}
if (ch < 0) {
if (verb)
printf("%s: Added index\n", fn);
+
dbt_put(idx, idxf, &key, &val);
}
}
*/
static void
index_prune(const struct of *ofile, DB *db, const char *dbf,
- DB *idx, const char *idxf, int verb,
+ DB *idx, const char *idxf,
recno_t *maxrec, recno_t **recs, size_t *recsz)
{
const struct of *of;
- const char *fn;
+ const char *fn, *cp;
struct db_val *vbuf;
unsigned seq, sseq;
DBT key, val;
while (0 == (ch = (*idx->seq)(idx, &key, &val, seq))) {
seq = R_NEXT;
*maxrec = *(recno_t *)key.data;
- if (0 == val.size) {
- if (reccur >= *recsz) {
- *recsz += MANDOC_SLOP;
- *recs = mandoc_realloc(*recs,
- *recsz * sizeof(recno_t));
- }
- (*recs)[(int)reccur] = *maxrec;
- reccur++;
- continue;
- }
+ cp = val.data;
+
+ /* Deleted records are zero-sized. Skip them. */
+
+ if (0 == val.size)
+ goto cont;
+
+ /*
+ * Make sure we're sane.
+ * Read past our mdoc/man/cat type to the next string,
+ * then make sure it's bounded by a NUL.
+ * Failing any of these, we go into our error handler.
+ */
+
+ if (NULL == (fn = memchr(cp, '\0', val.size)))
+ break;
+ if (++fn - cp >= (int)val.size)
+ break;
+ if (NULL == memchr(fn, '\0', val.size - (fn - cp)))
+ break;
+
+ /*
+ * Search for the file in those we care about.
+ * XXX: build this into a tree. Too slow.
+ */
- fn = (char *)val.data;
for (of = ofile; of; of = of->next)
if (0 == strcmp(fn, of->fname))
break;
if (NULL == of)
continue;
+ /*
+ * Search through the keyword database, throwing out all
+ * references to our file.
+ */
+
sseq = R_FIRST;
while (0 == (ch = (*db->seq)(db, &key, &val, sseq))) {
sseq = R_NEXT;
- assert(sizeof(struct db_val) == val.size);
+ if (sizeof(struct db_val) != val.size)
+ break;
+
vbuf = val.data;
- if (*maxrec != vbuf->rec)
+ if (*maxrec != betoh32(vbuf->rec))
continue;
- if (verb)
- printf("%s: Deleted keyword: %s\n",
- fn, (char *)key.data);
- ch = (*db->del)(db, &key, R_CURSOR);
- if (ch < 0)
+
+ if ((ch = (*db->del)(db, &key, R_CURSOR)) < 0)
break;
}
+
if (ch < 0) {
perror(dbf);
exit((int)MANDOCLEVEL_SYSERR);
+ } else if (1 != ch) {
+ fprintf(stderr, "%s: Corrupt database\n", dbf);
+ exit((int)MANDOCLEVEL_SYSERR);
}
if (verb)
val.size = 0;
ch = (*idx->put)(idx, &key, &val, R_CURSOR);
- if (ch < 0) {
- perror(idxf);
- exit((int)MANDOCLEVEL_SYSERR);
- }
+ if (ch < 0)
+ break;
+cont:
if (reccur >= *recsz) {
*recsz += MANDOC_SLOP;
*recs = mandoc_realloc
(*recs)[(int)reccur] = *maxrec;
reccur++;
}
+
+ if (ch < 0) {
+ perror(idxf);
+ exit((int)MANDOCLEVEL_SYSERR);
+ } else if (1 != ch) {
+ fprintf(stderr, "%s: Corrupt index\n", idxf);
+ exit((int)MANDOCLEVEL_SYSERR);
+ }
+
(*maxrec)++;
}
}
static void
-ofile_argbuild(char *argv[], int argc, int use_all, int verb,
- struct of **of)
+ofile_argbuild(int argc, char *argv[], struct of **of)
{
char buf[MAXPATHLEN];
char *sec, *arch, *title, *p;
*/
static int
ofile_dirbuild(const char *dir, const char* psec, const char *parch,
- int p_src_form, int use_all, int verb, struct of **of)
+ int p_src_form, struct of **of)
{
char buf[MAXPATHLEN];
struct stat sb;
printf("%s: Scanning\n", buf);
if ( ! ofile_dirbuild(buf, sec, arch,
- src_form, use_all, verb, of))
+ src_form, of))
return(0);
}
if (DT_REG != dp->d_type ||