1 /* $Id: dba_read.c,v 1.5 2020/06/22 19:20:40 schwarze Exp $ */
2 /*
3 * Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 *
17 * Function to read the mandoc database from disk into RAM,
18 * such that data can be added or removed.
19 * The interface is defined in "dba.h".
20 * This file is seperate from dba.c because this also uses "dbm.h".
21 */
22 #include "config.h"
23
24 #include <regex.h>
25 #include <stdint.h>
26 #include <stdlib.h>
27 #include <stdio.h>
28 #include <string.h>
29
30 #include "mandoc_aux.h"
31 #include "mansearch.h"
32 #include "dba_array.h"
33 #include "dba.h"
34 #include "dbm.h"
35
36
37 struct dba *
dba_read(const char * fname)38 dba_read(const char *fname)
39 {
40 struct dba *dba;
41 struct dba_array *page;
42 struct dbm_page *pdata;
43 struct dbm_macro *mdata;
44 const char *cp;
45 int32_t im, ip, iv, npages;
46
47 if (dbm_open(fname) == -1)
48 return NULL;
49 npages = dbm_page_count();
50 dba = dba_new(npages < 128 ? 128 : npages);
51 for (ip = 0; ip < npages; ip++) {
52 pdata = dbm_page_get(ip);
53 page = dba_page_new(dba->pages, pdata->arch,
54 pdata->desc, pdata->file + 1, *pdata->file);
55 for (cp = pdata->name; *cp != '\0'; cp = strchr(cp, '\0') + 1)
56 dba_page_add(page, DBP_NAME, cp);
57 for (cp = pdata->sect; *cp != '\0'; cp = strchr(cp, '\0') + 1)
58 dba_page_add(page, DBP_SECT, cp);
59 if ((cp = pdata->arch) != NULL)
60 while (*(cp = strchr(cp, '\0') + 1) != '\0')
61 dba_page_add(page, DBP_ARCH, cp);
62 cp = pdata->file;
63 while (*(cp = strchr(cp, '\0') + 1) != '\0')
64 dba_page_add(page, DBP_FILE, cp);
65 }
66 for (im = 0; im < MACRO_MAX; im++) {
67 for (iv = 0; iv < dbm_macro_count(im); iv++) {
68 mdata = dbm_macro_get(im, iv);
69 dba_macro_new(dba, im, mdata->value, mdata->pp);
70 }
71 }
72 dbm_close();
73 return dba;
74 }
75