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/* $Id: dba_read.c,v 1.4 2016/08/17 20:46:56 schwarze Exp $ */
/*
* Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Function to read the mandoc database from disk into RAM,
* such that data can be added or removed.
* The interface is defined in "dba.h".
* This file is seperate from dba.c because this also uses "dbm.h".
*/
#include <regex.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "mandoc_aux.h"
#include "mansearch.h"
#include "dba_array.h"
#include "dba.h"
#include "dbm.h"
struct dba *
dba_read(const char *fname)
{
struct dba *dba;
struct dba_array *page;
struct dbm_page *pdata;
struct dbm_macro *mdata;
const char *cp;
int32_t im, ip, iv, npages;
if (dbm_open(fname) == -1)
return NULL;
npages = dbm_page_count();
dba = dba_new(npages < 128 ? 128 : npages);
for (ip = 0; ip < npages; ip++) {
pdata = dbm_page_get(ip);
page = dba_page_new(dba->pages, pdata->arch,
pdata->desc, pdata->file + 1, *pdata->file);
for (cp = pdata->name; *cp != '\0'; cp = strchr(cp, '\0') + 1)
dba_page_add(page, DBP_NAME, cp);
for (cp = pdata->sect; *cp != '\0'; cp = strchr(cp, '\0') + 1)
dba_page_add(page, DBP_SECT, cp);
if ((cp = pdata->arch) != NULL)
while (*(cp = strchr(cp, '\0') + 1) != '\0')
dba_page_add(page, DBP_ARCH, cp);
cp = pdata->file;
while (*(cp = strchr(cp, '\0') + 1) != '\0')
dba_page_add(page, DBP_FILE, cp);
}
for (im = 0; im < MACRO_MAX; im++) {
for (iv = 0; iv < dbm_macro_count(im); iv++) {
mdata = dbm_macro_get(im, iv);
dba_macro_new(dba, im, mdata->value, mdata->pp);
}
}
dbm_close();
return dba;
}
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