From 189d7a12a2d0bac0bf87b53fa658c972fffc238c Mon Sep 17 00:00:00 2001 From: Adam Dickmeiss Date: Mon, 15 Jul 2002 11:50:01 +0000 Subject: [PATCH] Ensure record memory is null-terminated --- index/recindex.c | 130 ++---------------------------------------------------- 1 file changed, 4 insertions(+), 126 deletions(-) diff --git a/index/recindex.c b/index/recindex.c index 4563fc4..bc9a1b5 100644 --- a/index/recindex.c +++ b/index/recindex.c @@ -1,131 +1,8 @@ /* - * Copyright (C) 1994-1999, Index Data + * Copyright (C) 1994-2002, Index Data * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: recindex.c,v $ - * Revision 1.32 2002-04-05 08:46:26 adam - * Zebra with full functionality - * - * Revision 1.31 2001/02/26 22:14:59 adam - * Updated for BZIP2 1.0.X. Configure script doesn't enable 64 bit LFS - * on broken glibc on Redhat 7.0. - * - * Revision 1.30 2000/07/13 10:14:20 heikki - * Removed compiler warnings when making zebra - * - * Revision 1.29 2000/04/05 09:49:35 adam - * On Unix, zebra/z'mbol uses automake. - * - * Revision 1.28 1999/12/08 22:44:45 adam - * Zebra/Z'mbol dependencies added. - * - * Revision 1.27 1999/10/29 10:02:33 adam - * Fixed decompression buffer overflow. - * - * Revision 1.26 1999/07/06 13:34:57 adam - * Fixed bug (introduced by previous commit). - * - * Revision 1.25 1999/07/06 12:28:04 adam - * Updated record index structure. Format includes version ID. Compression - * algorithm ID is stored for each record block. - * - * Revision 1.24 1999/06/25 13:48:02 adam - * Updated MSVC project files. - * Added BZIP2 record compression (not very well tested). - * - * Revision 1.23 1999/05/26 07:49:13 adam - * C++ compilation. - * - * Revision 1.22 1999/02/18 12:49:34 adam - * Changed file naming scheme for register files as well as record - * store/index files. - * - * Revision 1.21 1999/02/02 14:51:03 adam - * Updated WIN32 code specific sections. Changed header. - * - * Revision 1.20 1998/01/12 15:04:08 adam - * The test option (-s) only uses read-lock (and not write lock). - * - * Revision 1.19 1997/09/17 12:19:16 adam - * Zebra version corresponds to YAZ version 1.4. - * Changed Zebra server so that it doesn't depend on global common_resource. - * - * Revision 1.18 1997/07/15 16:28:42 adam - * Bug fix: storeData didn't work with files with multiple records. - * Bug fix: fixed memory management with records; not really well - * thought through. - * - * Revision 1.17 1997/02/12 20:39:46 adam - * Implemented options -f that limits the log to the first - * records. - * Changed some log messages also. - * - * Revision 1.16 1996/06/04 10:19:00 adam - * Minor changes - removed include of ctype.h. - * - * Revision 1.15 1996/05/13 14:23:06 adam - * Work on compaction of set/use bytes in dictionary. - * - * Revision 1.14 1996/02/01 20:48:15 adam - * The total size of records are always checked in rec_cache_insert to - * reduce memory usage. - * - * Revision 1.13 1995/12/11 09:12:49 adam - * The rec_get function returns NULL if record doesn't exist - will - * happen in the server if the result set records have been deleted since - * the creation of the set (i.e. the search). - * The server saves a result temporarily if it is 'volatile', i.e. the - * set is register dependent. - * - * Revision 1.12 1995/12/07 17:38:47 adam - * Work locking mechanisms for concurrent updates/commit. - * - * Revision 1.11 1995/12/06 13:58:26 adam - * Improved flushing of records - all flushes except the last one - * don't write the last accessed. Also flush takes place if record - * info occupy more than about 256k. - * - * Revision 1.10 1995/12/06 12:41:24 adam - * New command 'stat' for the index program. - * Filenames can be read from stdin by specifying '-'. - * Bug fix/enhancement of the transformation from terms to regular - * expressons in the search engine. - * - * Revision 1.9 1995/11/30 08:34:33 adam - * Started work on commit facility. - * Changed a few malloc/free to xmalloc/xfree. - * - * Revision 1.8 1995/11/28 14:26:21 adam - * Bug fix: recordId with constant wasn't right. - * Bug fix: recordId dictionary entry wasn't deleted when needed. - * - * Revision 1.7 1995/11/28 09:09:43 adam - * Zebra config renamed. - * Use setting 'recordId' to identify record now. - * Bug fix in recindex.c: rec_release_blocks was invokeded even - * though the blocks were already released. - * File traversal properly deletes records when needed. - * - * Revision 1.6 1995/11/25 10:24:06 adam - * More record fields - they are enumerated now. - * New options: flagStoreData flagStoreKey. - * - * Revision 1.5 1995/11/22 17:19:18 adam - * Record management uses the bfile system. - * - * Revision 1.4 1995/11/20 16:59:46 adam - * New update method: the 'old' keys are saved for each records. - * - * Revision 1.3 1995/11/16 15:34:55 adam - * Uses new record management system in both indexer and server. - * - * Revision 1.2 1995/11/15 19:13:08 adam - * Work on record management. - * - * Revision 1.1 1995/11/15 14:46:20 adam - * Started work on better record management system. * + * $Id: recindex.c,v 1.33 2002-07-15 11:50:01 adam Exp $ */ @@ -802,8 +679,9 @@ static Record rec_get_int (Records p, int sysno) { if (rec->info[i] && rec->size[i]) { - char *np = xmalloc (rec->size[i]); + char *np = xmalloc (rec->size[i]+1); memcpy (np, rec->info[i], rec->size[i]); + np[rec->size[i]] = '\0'; rec->info[i] = np; } else -- 1.7.10.4