X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzebraapi.c;h=e97e27c79f86208333f9a7cb93cba7ec82e5ce54;hb=73bedd5ba9152c9c107b502fae65723b551aff09;hp=d1c4baa56b1ebd757ab7236ea8746d66e42cd693;hpb=f7e93f016e75e43d037b5c3e89aeb27b7176513a;p=idzebra-moved-to-github.git diff --git a/index/zebraapi.c b/index/zebraapi.c index d1c4baa..e97e27c 100644 --- a/index/zebraapi.c +++ b/index/zebraapi.c @@ -1,4 +1,4 @@ -/* $Id: zebraapi.c,v 1.123 2004-08-06 13:14:46 adam Exp $ +/* $Id: zebraapi.c,v 1.137 2004-10-26 15:32:11 heikki Exp $ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004 Index Data Aps @@ -22,6 +22,7 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include #include +#include #ifdef WIN32 #include #include @@ -35,20 +36,14 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include #include "index.h" #include -#include "zebraapi.h" +#include /* simple asserts to validate the most essential input args */ #define ASSERTZH assert(zh && zh->service) #define ASSERTZHRES assert(zh && zh->service && zh->res) #define ASSERTZS assert(zs) -/* A simple log macro */ -/* don't break with older yazen that lack log_app2 */ -#ifdef LOG_APP2 #define LOG_API LOG_APP2 -#else -#define LOG_API LOG_DEBUG -#endif static Res zebra_open_res (ZebraHandle zh); static void zebra_close_res (ZebraHandle zh); @@ -92,7 +87,6 @@ ZebraHandle zebra_open (ZebraService zs) { ZebraHandle zh; const char *default_encoding; - ASSERTZS; yaz_log(LOG_API,"zebra_open"); if (!zs) @@ -156,7 +150,8 @@ ZebraService zebra_start_res (const char *configName, Res def_res, Res over_res) { Res res; - yaz_log(LOG_API|LOG_LOG,"zebra_start %s",configName); + yaz_log(LOG_API,"zebra_start %s",configName); + assert(configName); if ((res = res_open (configName, def_res, over_res))) { @@ -183,18 +178,49 @@ ZebraService zebra_start_res (const char *configName, Res def_res, Res over_res) res_get (zh->global_res, "passwd")); } zh->path_root = res_get (zh->global_res, "root"); + zh->nmem = nmem_create(); + zh->record_classes = recTypeClass_create (zh->global_res, zh->nmem); return zh; } return 0; } +void zebra_filter_info(ZebraService zs, void *cd, + void (*cb)(void *cd, const char *name)) +{ + ASSERTZS; + assert(cb); + recTypeClass_info(zs->record_classes, cd, cb); +} void zebra_pidfname(ZebraService zs, char *path) { + ASSERTZS; zebra_lock_prefix (zs->global_res, path); strcat(path, "zebrasrv.pid"); } +Dict dict_open_res (BFiles bfs, const char *name, int cache, int rw, + int compact_flag, Res res) +{ + int page_size = 4096; + char resource_str[200]; + const char *v; + sprintf (resource_str, "dict.%.100s.pagesize", name); + assert(bfs); + assert(name); + + v = res_get(res, resource_str); + if (v) + { + page_size = atoi(v); + yaz_log(LOG_LOG, "Using custom dictionary page size %d for %s", + page_size, name); + } + return dict_open(bfs, name, cache, rw, compact_flag, page_size); +} + + static struct zebra_register *zebra_register_open (ZebraService zs, const char *name, int rw, int useshadow, Res res, @@ -218,7 +244,7 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, assert (res); - yaz_log (LOG_LOG|LOG_API, "zebra_register_open rw = %d useshadow=%d p=%p,n=%s,rp=%s", + yaz_log (LOG_DEBUG, "zebra_register_open rw=%d useshadow=%d p=%p n=%s rp=%s", rw, useshadow, reg, name, reg_path ? reg_path : "(none)"); reg->dh = data1_createx (DATA1_FLAG_XML); @@ -235,12 +261,11 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, getcwd(cwd, sizeof(cwd)-1); profilePath = res_get_def(res, "profilePath", DEFAULT_PROFILE_PATH); - yaz_log(LOG_LOG, "profilePath=%s cwd=%s", profilePath, cwd); + yaz_log(LOG_DEBUG, "profilePath=%s cwd=%s", profilePath, cwd); data1_set_tabpath (reg->dh, profilePath); data1_set_tabroot (reg->dh, reg_path); - reg->recTypes = recTypes_init (reg->dh); - recTypes_default_handlers (reg->recTypes); + reg->recTypes = recTypes_init (zs->record_classes, reg->dh); reg->zebra_maps = zebra_maps_open (res, reg_path); reg->rank_classes = NULL; @@ -249,9 +274,7 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, reg->keys.buf_max = 0; reg->keys.buf = 0; -#if IT_KEY_NEW reg->keys.codec_handle = iscz1_start(); -#endif reg->sortKeys.buf = 0; reg->sortKeys.buf_max = 0; @@ -269,8 +292,10 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, reg->ptr_i=0; zebraRankInstall (reg, rank1_class); +#ifdef SKIPTHIS /* FIXME - those ranks not yet converted to new interface */ zebraRankInstall (reg, rankzv_class); zebraRankInstall (reg, rankliv_class); +#endif recordCompression = res_get_def (res, "recordCompression", "none"); if (!strcmp (recordCompression, "none")) @@ -285,9 +310,9 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name, } if (rw) { - reg->matchDict = dict_open (reg->bfs, GMATCH_DICT, 20, 1, 0); + reg->matchDict = dict_open_res (reg->bfs, GMATCH_DICT, 20, 1, 0, res); } - if (!(reg->dict = dict_open (reg->bfs, FNAME_DICT, 40, rw, 0))) + if (!(reg->dict = dict_open_res (reg->bfs, FNAME_DICT, 40, rw, 0, res))) { logf (LOG_WARN, "dict_open"); return 0; @@ -390,7 +415,8 @@ int zebra_admin_start (ZebraHandle zh) static void zebra_register_close (ZebraService zs, struct zebra_register *reg) { ASSERTZS; - yaz_log(LOG_LOG|LOG_API, "zebra_register_close p=%p", reg); + assert(reg); + yaz_log(LOG_DEBUG, "zebra_register_close p=%p", reg); reg->stop_flag = 0; zebra_chdir (zs); if (reg->records) @@ -417,11 +443,8 @@ static void zebra_register_close (ZebraService zs, struct zebra_register *reg) xfree (reg->sortKeys.buf); xfree (reg->keys.buf); -#if IT_KEY_NEW if (reg->keys.codec_handle) iscz1_stop(reg->keys.codec_handle); -#endif - xfree (reg->key_buf); xfree (reg->name); xfree (reg); @@ -431,7 +454,7 @@ int zebra_stop(ZebraService zs) { if (!zs) return 0; - yaz_log (LOG_LOG|LOG_API, "zebra_stop"); + yaz_log (LOG_API, "zebra_stop"); while (zs->sessions) { @@ -443,6 +466,8 @@ int zebra_stop(ZebraService zs) if (zs->passwd_db) passwd_db_close (zs->passwd_db); + recTypeClass_destroy(zs->record_classes); + nmem_destroy(zs->nmem); res_close (zs->global_res); xfree (zs->configName); xfree (zs); @@ -619,6 +644,10 @@ void map_basenames_func (void *vp, const char *name, const char *value) struct map_baseinfo *p = (struct map_baseinfo *) vp; int i, no; char fromdb[128], todb[8][128]; + + assert(value); + assert(name); + assert(vp); no = sscanf (value, "%127s %127s %127s %127s %127s %127s %127s %127s %127s", @@ -650,6 +679,8 @@ void map_basenames (ZebraHandle zh, ODR stream, int i; ASSERTZH; yaz_log(LOG_API,"map_basenames "); + assert(stream); + zh->errCode=0; info.zh = zh; @@ -672,13 +703,14 @@ void map_basenames (ZebraHandle zh, ODR stream, *num_bases = info.new_num_bases; *basenames = info.new_basenames; for (i = 0; i<*num_bases; i++) - logf (LOG_LOG, "base %s", (*basenames)[i]); + logf (LOG_DEBUG, "base %s", (*basenames)[i]); } int zebra_select_database (ZebraHandle zh, const char *basename) { ASSERTZH; yaz_log(LOG_API,"zebra_select_database %s",basename); + assert(basename); zh->errCode=0; return zebra_select_databases (zh, 1, &basename); } @@ -691,6 +723,8 @@ int zebra_select_databases (ZebraHandle zh, int num_bases, int len = 0; char *new_reg = 0; ASSERTZH; + assert(basenames); + yaz_log(LOG_API,"zebra_select_databases n=%d [0]=%s", num_bases,basenames[0]); zh->errCode=0; @@ -765,7 +799,13 @@ int zebra_select_databases (ZebraHandle zh, int num_bases, int zebra_search_RPN (ZebraHandle zh, ODR o, Z_RPNQuery *query, const char *setname, int *hits) { + const char *max; + zint maxhits; ASSERTZH; + assert(o); + assert(query); + assert(hits); + assert(setname); yaz_log(LOG_API,"zebra_search_rpn"); zh->errCode=0; zh->hits = 0; @@ -774,14 +814,29 @@ int zebra_search_RPN (ZebraHandle zh, ODR o, if (zebra_begin_read (zh)) return 1; +#ifdef SKIPTHIS /* FIXME - livcode rank not yet available */ zebra_livcode_transform(zh, query); +#endif resultSetAddRPN (zh, odr_extract_mem(o), query, zh->num_basenames, zh->basenames, setname); zebra_end_read (zh); - - *hits = zh->hits; + max = res_get (zh->res, "maxhits"); + if (max) + maxhits=atoi(max); + else { + int i=0; + maxhits=INT_MAX; /* properly rounded, to make it look like a limit*/ + while (maxhits>100) { maxhits/=10; i++;} + while (i--) maxhits *= 10; + } + if (zh->hits > maxhits) { /* too large for yaz to handle */ + logf(LOG_DEBUG,"limiting hits to "ZINT_FORMAT, maxhits); + *hits=maxhits; + } + else + *hits = zh->hits; return 0; } @@ -793,6 +848,11 @@ int zebra_records_retrieve (ZebraHandle zh, ODR stream, ZebraPosSet poset; int i, *pos_array, ret = 0; ASSERTZH; + assert(stream); + assert(setname); + assert(recs); + assert(num_recs>0); + yaz_log(LOG_API,"zebra_records_retrieve n=%d",num_recs); zh->errCode=0; @@ -865,6 +925,12 @@ int zebra_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, int *is_partial) { ASSERTZH; + assert(stream); + assert(zapt); + assert(position); + assert(num_entries); + assert(is_partial); + assert(entries); yaz_log(LOG_API,"zebra_scan"); zh->errCode=0; if (zebra_begin_read (zh)) @@ -886,6 +952,11 @@ int zebra_sort (ZebraHandle zh, ODR stream, int *sort_status) { ASSERTZH; + assert(stream); + assert(num_input_setnames>0); + assert(input_setnames); + assert(sort_sequence); + assert(sort_status); yaz_log(LOG_API,"zebra_sort"); zh->errCode=0; if (zebra_begin_read (zh)) @@ -902,6 +973,9 @@ int zebra_deleleResultSet(ZebraHandle zh, int function, { int i, status; ASSERTZH; + assert(num_setnames>0); + assert(setnames); + assert(statuses); yaz_log(LOG_API,"zebra_deleleResultSet n=%d",num_setnames); zh->errCode=0; if (zebra_begin_read(zh)) @@ -1020,6 +1094,7 @@ int zebra_admin_import_segment (ZebraHandle zh, Z_Segment *segment) Z_NamePlusRecord *npr = segment->segmentRecords[i]; printf ("--------------%d--------------------\n", i); + /* FIXME - What! printing on stdout ??? */ if (npr->which == Z_NamePlusRecord_intermediateFragment) { Z_FragmentSyntax *fragment = npr->u.intermediateFragment; @@ -1058,6 +1133,9 @@ int zebra_admin_exchange_record (ZebraHandle zh, char *rinfo = 0; char recid_z[256]; ASSERTZH; + assert(action>0 && action <=4); + assert(rec_buf); + yaz_log(LOG_API,"zebra_admin_exchange_record ac=%d", action); zh->errCode=0; @@ -1115,6 +1193,7 @@ int delete_w_handle(const char *info, void *handle) { ZebraHandle zh = (ZebraHandle) handle; ISAMC_P pos; + ASSERTZH; if (*info == sizeof(pos)) { @@ -1169,7 +1248,8 @@ int zebra_drop_database (ZebraHandle zh, const char *database) int zebra_create_database (ZebraHandle zh, const char *database) { ASSERTZH; - yaz_log(LOG_API,"zebra_create_database"); + yaz_log(LOG_API,"zebra_create_database %s",database); + assert(database); zh->errCode=0; if (zebra_select_database (zh, database)) @@ -1196,6 +1276,8 @@ int zebra_string_norm (ZebraHandle zh, unsigned reg_id, { WRBUF wrbuf; ASSERTZH; + assert(input_str); + assert(output_str); yaz_log(LOG_API,"zebra_string_norm "); zh->errCode=0; if (!zh->reg->zebra_maps) @@ -1214,6 +1296,7 @@ int zebra_string_norm (ZebraHandle zh, unsigned reg_id, int zebra_set_state (ZebraHandle zh, int val, int seqno) + /* FIXME - zint seqno ?? */ { char state_fname[256]; char *fname; @@ -1227,7 +1310,7 @@ int zebra_set_state (ZebraHandle zh, int val, int seqno) fname = zebra_mk_fname (res_get(zh->res, "lockDir"), state_fname); f = fopen (fname, "w"); - yaz_log (LOG_DEBUG, "%c %d %ld", val, seqno, p); + yaz_log (LOG_DEBUG, "zebra_set_state: %c %d %ld", val, seqno, p); fprintf (f, "%c %d %ld\n", val, seqno, p); fclose (f); xfree (fname); @@ -1272,6 +1355,7 @@ static void read_res_for_transaction(ZebraHandle zh) { const char *group = res_get(zh->res, "group"); const char *v; + /* FIXME - do we still use groups ?? */ zh->m_group = group; v = res_get_prefix(zh->res, "followLinks", group, "1"); @@ -1298,6 +1382,7 @@ static void read_res_for_transaction(ZebraHandle zh) int zebra_begin_trans (ZebraHandle zh, int rw) { + ASSERTZH; if (!zh->res) { zh->errCode = 2; @@ -1374,7 +1459,7 @@ int zebra_begin_trans (ZebraHandle zh, int rw) zebra_get_state (zh, &val, &seqno); if (val == 'c') { - yaz_log (LOG_LOG, "previous transaction didn't finish commit"); + yaz_log (LOG_WARN, "previous transaction didn't finish commit"); zebra_unlock (zh->lock_shadow); zebra_unlock (zh->lock_normal); zebra_commit (zh); @@ -1386,7 +1471,7 @@ int zebra_begin_trans (ZebraHandle zh, int rw) { BFiles bfs = bfs_create (res_get (zh->res, "shadow"), zh->path_reg); - yaz_log (LOG_LOG, "previous transaction didn't reach commit"); + yaz_log (LOG_WARN, "previous transaction didn't reach commit"); bf_commitClean (bfs, rval); bfs_destroy (bfs); } @@ -1463,13 +1548,13 @@ int zebra_begin_trans (ZebraHandle zh, int rw) dirty = 1; else if (seqno != zh->reg->seqno) { - yaz_log (LOG_LOG, "reopen seqno cur/old %d/%d", + yaz_log (LOG_DEBUG, "reopen seqno cur/old %d/%d", seqno, zh->reg->seqno); dirty = 1; } else if (zh->reg->last_val != val) { - yaz_log (LOG_LOG, "reopen last cur/old %d/%d", + yaz_log (LOG_DEBUG, "reopen last cur/old %d/%d", val, zh->reg->last_val); dirty = 1; } @@ -1506,6 +1591,7 @@ int zebra_begin_trans (ZebraHandle zh, int rw) int zebra_end_trans (ZebraHandle zh) { + ASSERTZH; ZebraTransactionStatus dummy; yaz_log(LOG_API,"zebra_end_trans"); return zebra_end_transaction(zh, &dummy); @@ -1518,6 +1604,7 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) const char *rval; ASSERTZH; + assert(status); yaz_log(LOG_API,"zebra_end_transaction"); status->processed = 0; @@ -1549,7 +1636,7 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) zh->trans_no--; zh->trans_w_no = 0; - yaz_log (LOG_LOG, "zebra_end_trans"); + yaz_log (LOG_DEBUG, "zebra_end_trans"); rval = res_get (zh->res, "shadow"); zebraExplain_runNumberIncrement (zh->reg->zei, 1); @@ -1561,7 +1648,8 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) zebra_register_close (zh->service, zh->reg); zh->reg = 0; - yaz_log (LOG_LOG, "Records: %7d i/u/d %d/%d/%d", + yaz_log (LOG_LOG, "Records: "ZINT_FORMAT" i/u/d " + ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT, zh->records_processed, zh->records_inserted, zh->records_updated, zh->records_deleted); @@ -1574,7 +1662,7 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) if (val != 'd') { BFiles bfs = bfs_create (rval, zh->path_reg); - yaz_log (LOG_LOG, "deleting shadow stuff val=%c", val); + yaz_log (LOG_DEBUG, "deleting shadow val=%c", val); bf_commitClean (bfs, rval); bfs_destroy (bfs); } @@ -1601,8 +1689,9 @@ int zebra_end_transaction (ZebraHandle zh, ZebraTransactionStatus *status) int zebra_repository_update (ZebraHandle zh, const char *path) { ASSERTZH; + assert(path); zh->errCode=0; - logf (LOG_LOG|LOG_API, "updating %s", path); + logf (LOG_API, "updating %s", path); repositoryUpdate (zh, path); return zh->errCode; } @@ -1610,8 +1699,9 @@ int zebra_repository_update (ZebraHandle zh, const char *path) int zebra_repository_delete (ZebraHandle zh, const char *path) { ASSERTZH; + assert(path); zh->errCode=0; - logf (LOG_LOG|LOG_API, "deleting %s", path); + logf (LOG_API, "deleting %s", path); repositoryDelete (zh, path); return zh->errCode; } @@ -1619,6 +1709,7 @@ int zebra_repository_delete (ZebraHandle zh, const char *path) int zebra_repository_show (ZebraHandle zh, const char *path) { ASSERTZH; + assert(path); yaz_log(LOG_API,"zebra_repository_show"); zh->errCode=0; repositoryShow (zh, path); @@ -1664,13 +1755,13 @@ static int zebra_commit_ex (ZebraHandle zh, int clean_only) { zebra_set_state (zh, 'c', seqno); - logf (LOG_LOG, "commit start"); + logf (LOG_DEBUG, "commit start"); bf_commitExec (bfs); #ifndef WIN32 sync (); #endif } - logf (LOG_LOG, "commit clean"); + logf (LOG_DEBUG, "commit clean"); bf_commitClean (bfs, rval); seqno++; zebra_set_state (zh, 'o', seqno); @@ -1688,12 +1779,14 @@ static int zebra_commit_ex (ZebraHandle zh, int clean_only) int zebra_clean (ZebraHandle zh) { + ASSERTZH; yaz_log(LOG_API,"zebra_clean"); return zebra_commit_ex(zh, 1); } int zebra_commit (ZebraHandle zh) { + ASSERTZH; yaz_log(LOG_API,"zebra_commit"); return zebra_commit_ex(zh, 0); } @@ -1715,6 +1808,8 @@ int zebra_init (ZebraHandle zh) bfs = bfs_create (res_get (zh->service->global_res, "register"), zh->path_reg); + if (!bfs) + return -1; if (rval && *rval) bf_cache (bfs, rval); @@ -1762,6 +1857,7 @@ int zebra_shadow_enable (ZebraHandle zh, int value) int zebra_record_encoding (ZebraHandle zh, const char *encoding) { ASSERTZH; + assert(encoding); yaz_log(LOG_API,"zebra_record_encoding"); zh->errCode=0; xfree (zh->record_encoding); @@ -1795,6 +1891,8 @@ int zebra_record_encoding (ZebraHandle zh, const char *encoding) int zebra_set_resource(ZebraHandle zh, const char *name, const char *value) { ASSERTZH; + assert(name); + assert(value); yaz_log(LOG_API,"zebra_set_resource %s:%s",name,value); zh->errCode=0; res_set(zh->res, name, value); @@ -1806,6 +1904,8 @@ const char *zebra_get_resource(ZebraHandle zh, { const char *v; ASSERTZH; + assert(name); + assert(defaultvalue); v= res_get_def( zh->res, name, (char *)defaultvalue); zh->errCode=0; yaz_log(LOG_API,"zebra_get_resource %s:%s",name,v); @@ -1824,12 +1924,14 @@ int zebra_trans_no (ZebraHandle zh) int zebra_get_shadow_enable (ZebraHandle zh) { + ASSERTZH; yaz_log(LOG_API,"zebra_get_shadow_enable"); return (zh->shadow_enable); } int zebra_set_shadow_enable (ZebraHandle zh, int value) { + ASSERTZH; yaz_log(LOG_API,"zebra_set_shadow_enable %d",value); zh->shadow_enable = value; return 0; @@ -1844,6 +1946,12 @@ void api_records_retrieve (ZebraHandle zh, ODR stream, { ZebraPosSet poset; int i, *pos_array; + ASSERTZH; + assert(stream); + assert(setname); + assert(comp); + assert(recs); + assert(num_recs>0); yaz_log(LOG_API,"api_records_retrieve s=%s n=%d",setname,num_recs); if (!zh->res) @@ -1940,7 +2048,10 @@ int zebra_insert_record (ZebraHandle zh, const char *buf, int buf_size, int force_update) { int res; - yaz_log(LOG_API,"zebra_insert_record sysno=" ZINT_FORMAT, *sysno); + ASSERTZH; + assert(sysno); + assert(buf); + yaz_log(LOG_API, "zebra_insert_record sysno=" ZINT_FORMAT, *sysno); if (buf_size < 1) buf_size = strlen(buf); @@ -1965,8 +2076,11 @@ int zebra_update_record (ZebraHandle zh, int force_update) { int res; + ASSERTZH; + assert(sysno); + assert(buf); - yaz_log(LOG_API,"zebra_update_record sysno=" ZINT_FORMAT, *sysno); + yaz_log(LOG_API, "zebra_update_record sysno=" ZINT_FORMAT, *sysno); if (buf_size < 1) buf_size = strlen(buf); @@ -1991,7 +2105,10 @@ int zebra_delete_record (ZebraHandle zh, int force_update) { int res; - yaz_log(LOG_API,"zebra_delete_record sysno=" ZINT_FORMAT, *sysno); + ASSERTZH; + assert(sysno); + assert(buf); + yaz_log(LOG_API, "zebra_delete_record sysno=" ZINT_FORMAT, *sysno); if (buf_size < 1) buf_size = strlen(buf); @@ -2020,6 +2137,9 @@ int zebra_search_PQF (ZebraHandle zh, const char *pqf_query, int res=-1; Z_RPNQuery *query; ODR odr = odr_createmem(ODR_ENCODE); + ASSERTZH; + assert(pqf_query); + assert(setname); yaz_log(LOG_API,"zebra_search_PQF s=%s q=%s",setname, pqf_query); @@ -2042,7 +2162,6 @@ int zebra_search_PQF (ZebraHandle zh, const char *pqf_query, /* --------------------------------------------------------------------------- Sort - a simplified interface, with optional read locks. - FIXME - This is a horrible name, will conflict with half the applications */ int zebra_sort_by_specstr (ZebraHandle zh, ODR stream, @@ -2052,7 +2171,13 @@ int zebra_sort_by_specstr (ZebraHandle zh, { int num_input_setnames = 0; int sort_status = 0; - Z_SortKeySpecList *sort_sequence = yaz_sort_spec (stream, sort_spec); + Z_SortKeySpecList *sort_sequence; + ASSERTZH; + assert(stream); + assert(sort_spec); + assert(output_setname); + assert(input_setnames); + sort_sequence = yaz_sort_spec (stream, sort_spec); yaz_log(LOG_API,"sort (FIXME) "); if (!sort_sequence) {