/*
- * Copyright (C) 1994-1999, Index Data
+ * Copyright (C) 1994-2002, Index Data
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: rstemp.c,v $
- * Revision 1.26 1999-05-26 07:49:14 adam
- * C++ compilation.
- *
- * Revision 1.25 1999/02/02 14:51:37 adam
- * Updated WIN32 code specific sections. Changed header.
- *
- * Revision 1.24 1998/03/05 08:36:28 adam
- * New result set model.
- *
- * Revision 1.23 1997/12/18 10:54:25 adam
- * New method result set method rs_hits that returns the number of
- * hits in result-set (if known). The ranked result set returns real
- * number of hits but only when not combined with other operands.
- *
- * Revision 1.22 1997/10/31 12:38:12 adam
- * Bug fix: added missing xfree() call.
- *
- * Revision 1.21 1997/09/17 12:19:23 adam
- * Zebra version corresponds to YAZ version 1.4.
- * Changed Zebra server so that it doesn't depend on global common_resource.
- *
- * Revision 1.20 1997/09/09 13:38:17 adam
- * Partial port to WIN95/NT.
- *
- * Revision 1.19 1997/09/04 13:58:57 adam
- * Added O_BINARY for open calls.
- *
- * Revision 1.18 1996/10/29 13:54:52 adam
- * Changed name of setting tempSetDir to setTmpDir.
- *
- * Revision 1.17 1995/12/11 09:15:28 adam
- * New set types: sand/sor/snot - ranked versions of and/or/not in
- * ranked/semi-ranked result sets.
- * Note: the snot not finished yet.
- * New rset member: flag.
- * Bug fix: r_delete in rsrel.c did free bad memory block.
- *
- * Revision 1.16 1995/11/28 14:47:02 adam
- * New setting: tempSetPath. Location of temporary result sets.
- *
- * Revision 1.15 1995/10/12 12:41:58 adam
- * Private info (buf) moved from struct rset_control to struct rset.
- * Bug fixes in relevance.
- *
- * Revision 1.14 1995/10/10 14:00:04 adam
- * Function rset_open changed its wflag parameter to general flags.
- *
- * Revision 1.13 1995/10/06 14:38:06 adam
- * New result set method: r_score.
- * Local no (sysno) and score is transferred to retrieveCtrl.
- *
- * Revision 1.12 1995/09/28 09:52:11 adam
- * xfree/xmalloc used everywhere.
- *
- * Revision 1.11 1995/09/18 14:17:56 adam
- * Bug fixes.
- *
- * Revision 1.10 1995/09/15 14:45:39 adam
- * Bug fixes.
- *
- * Revision 1.9 1995/09/15 09:20:42 adam
- * Bug fixes.
- *
- * Revision 1.8 1995/09/08 14:52:42 adam
- * Work on relevance feedback.
- *
- * Revision 1.7 1995/09/07 13:58:44 adam
- * New parameter: result-set file descriptor (RSFD) to support multiple
- * positions within the same result-set.
- * Boolean operators: and, or, not implemented.
- *
- * Revision 1.6 1995/09/06 16:11:56 adam
- * More work on boolean sets.
- *
- * Revision 1.5 1995/09/05 16:36:59 adam
- * Minor changes.
- *
- * Revision 1.4 1995/09/05 11:43:24 adam
- * Complete version of temporary sets. Not tested yet though.
- *
- * Revision 1.3 1995/09/04 15:20:40 adam
- * More work on temp sets. is_open member removed.
- *
- * Revision 1.2 1995/09/04 09:10:56 adam
- * Minor changes.
- *
- * Revision 1.1 1994/11/04 13:21:30 quinn
- * Working.
- *
+ * $Id: rstemp.c,v 1.30 2002-03-20 20:24:30 adam Exp $
*/
#include <fcntl.h>
int dirty; /* window is dirty */
int hits; /* no of hits */
char *temp_path;
+ int (*cmp)(const void *p1, const void *p2);
};
struct rset_temp_rfd {
struct rset_temp_info *info;
struct rset_temp_rfd *next;
+ int *countp;
+ void *buf;
};
static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
info->pos_buf = 0;
info->dirty = 0;
info->hits = -1;
+ info->cmp = temp_parms->cmp;
if (!temp_parms->temp_path)
info->temp_path = NULL;
else
ct->no_rset_terms = 1;
ct->rset_terms = (RSET_TERM *) xmalloc (sizeof(*ct->rset_terms));
ct->rset_terms[0] = temp_parms->rset_term;
+
return info;
}
rfd = (struct rset_temp_rfd *) xmalloc (sizeof(*rfd));
rfd->info = info;
r_rewind (rfd);
+
+ rfd->countp = &ct->rset_terms[0]->count;
+ rfd->buf = xmalloc (info->key_size);
+
return rfd;
}
if (!info->fname && mk)
{
- char *s = (char*) tempnam (info->temp_path, "zrs");
+#if HAVE_MKSTEMP
+ char template[1024];
+
+ sprintf (template, "%s/zrsXXXXXX", info->temp_path);
+ info->fd = mkstemp (template);
+
+ if (info->fd == -1)
+ {
+ logf (LOG_FATAL|LOG_ERRNO, "mkstemp %s", template);
+ exit (1);
+ }
+ info->fname = (char *) xmalloc (strlen(template)+1);
+ strcpy (info->fname, template);
+#else
+ char *s = (char*) tempnam (info->temp_path, "zrs");
info->fname = (char *) xmalloc (strlen(s)+1);
strcpy (info->fname, s);
logf (LOG_FATAL|LOG_ERRNO, "open %s", info->fname);
exit (1);
}
+#endif
}
if (info->fname && info->fd != -1 && info->dirty)
{
close (info->fd);
info->fd = -1;
}
+ xfree (((struct rset_temp_rfd *)rfd)->buf);
xfree (rfd);
}
static int r_read (RSFD rfd, void *buf, int *term_index)
{
- struct rset_temp_info *info = ((struct rset_temp_rfd*)rfd)->info;
+ struct rset_temp_rfd *mrfd = (struct rset_temp_rfd*) rfd;
+ struct rset_temp_info *info = mrfd->info;
size_t nc = info->pos_cur + info->key_size;
info->key_size);
info->pos_cur = nc;
*term_index = 0;
+
+ if (*mrfd->countp == 0 || (*info->cmp)(buf, mrfd->buf) > 1)
+ {
+ memcpy (mrfd->buf, buf, mrfd->info->key_size);
+ (*mrfd->countp)++;
+ }
return 1;
}