1 /* $Id: dba_read.c,v 1.6 2023/04/28 19:11:03 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 separate 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 * 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