2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.5 1995-09-27 16:17:32 adam
8 * More work on retrieve.
10 * Revision 1.4 1995/09/07 13:58:36 adam
11 * New parameter: result-set file descriptor (RSFD) to support multiple
12 * positions within the same result-set.
13 * Boolean operators: and, or, not implemented.
14 * Result-set references.
16 * Revision 1.3 1995/09/06 16:11:19 adam
17 * Option: only one word key per file.
19 * Revision 1.2 1995/09/06 10:33:04 adam
20 * More work on present. Some log messages removed.
22 * Revision 1.1 1995/09/05 15:28:40 adam
23 * More work on search engine.
33 ZServerSet *resultSetAdd (ZServerInfo *zi, const char *name, int ov, RSET rset)
37 for (s = zi->sets; s; s = s->next)
38 if (!strcmp (s->name, name))
42 rset_delete (s->rset);
46 s = xmalloc (sizeof(*s));
49 s->name = xmalloc (strlen(name)+1);
50 strcpy (s->name, name);
55 ZServerSet *resultSetGet (ZServerInfo *zi, const char *name)
59 for (s = zi->sets; s; s = s->next)
60 if (!strcmp (s->name, name))
65 ZServerSetSysno *resultSetSysnoGet (ZServerInfo *zi, const char *name,
66 int num, int *positions)
77 if (!(sset = resultSetGet (zi, name)))
79 if (!(rset = sset->rset))
81 logf (LOG_DEBUG, "resultSetRecordGet");
82 sr = xmalloc (sizeof(*sr) * num);
83 rfd = rset_open (rset, 0);
84 while (rset_read (rset, rfd, &key))
86 if (key.sysno != psysno)
90 if (position == positions[num_i])
92 sr[num_i].sysno = psysno;
99 rset_close (rset, rfd);
108 void resultSetRecordDel (ZServerInfo *zi, ZServerRecord *records, int num)
112 for (i = 0; i<num; i++)
113 free (records[i].buf);
119 ZServerSetSysno *resultSetSysno (ZServerInfo *zi, const char *name,
120 int num, int *positions)
131 if (!(sset = resultSetGet (zi, name)))
133 if (!(rset = sset->rset))
135 logf (LOG_DEBUG, "resultSetRecordGet");
136 sr = xmalloc (sizeof(*sr) * num);
137 rfd = rset_open (rset, 0);
138 while (rset_read (rset, rfd, &key))
140 if (key.sysno != psysno)
144 if (position == positions[num_i])
147 char fname[SYS_IDX_ENTRY_LEN];
149 sr[num_i].buf = NULL;
150 if (lseek (zi->sys_idx_fd, psysno * SYS_IDX_ENTRY_LEN,
153 logf (LOG_FATAL|LOG_ERRNO, "lseek of sys_idx");
156 if (read (zi->sys_idx_fd, fname, SYS_IDX_ENTRY_LEN) == -1)
158 logf (LOG_FATAL|LOG_ERRNO, "read of sys_idx");
161 if (!(inf = fopen (fname, "r")))
162 logf (LOG_WARN, "fopen: %s", fname);
167 fseek (inf, 0L, SEEK_END);
169 fseek (inf, 0L, SEEK_SET);
170 logf (LOG_DEBUG, "get sysno=%d, fname=%s, size=%ld",
171 psysno, fname, (long) size);
172 sr[num_i].buf = xmalloc (size+1);
173 sr[num_i].size = size;
174 sr[num_i].buf[size] = '\0';
175 if (fread (sr[num_i].buf, size, 1, inf) != 1)
177 logf (LOG_FATAL|LOG_ERRNO, "fread %s", fname);
188 rset_close (rset, rfd);
191 sr[num_i].buf = NULL;