2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1995-09-07 13:58:36 adam
8 * New parameter: result-set file descriptor (RSFD) to support multiple
9 * positions within the same result-set.
10 * Boolean operators: and, or, not implemented.
11 * Result-set references.
13 * Revision 1.3 1995/09/06 16:11:19 adam
14 * Option: only one word key per file.
16 * Revision 1.2 1995/09/06 10:33:04 adam
17 * More work on present. Some log messages removed.
19 * Revision 1.1 1995/09/05 15:28:40 adam
20 * More work on search engine.
30 ZServerSet *resultSetAdd (ZServerInfo *zi, const char *name, int ov, RSET rset)
34 for (s = zi->sets; s; s = s->next)
35 if (!strcmp (s->name, name))
39 rset_delete (s->rset);
43 s = xmalloc (sizeof(*s));
46 s->name = xmalloc (strlen(name)+1);
47 strcpy (s->name, name);
52 ZServerSet *resultSetGet (ZServerInfo *zi, const char *name)
56 for (s = zi->sets; s; s = s->next)
57 if (!strcmp (s->name, name))
62 ZServerRecord *resultSetRecordGet (ZServerInfo *zi, const char *name,
63 int num, int *positions)
74 if (!(sset = resultSetGet (zi, name)))
76 if (!(rset = sset->rset))
78 logf (LOG_DEBUG, "resultSetRecordGet");
79 sr = xmalloc (sizeof(*sr) * num);
80 rfd = rset_open (rset, 0);
81 while (rset_read (rset, rfd, &key))
83 if (key.sysno != psysno)
87 if (position == positions[num_i])
90 char fname[SYS_IDX_ENTRY_LEN];
93 if (lseek (zi->sys_idx_fd, psysno * SYS_IDX_ENTRY_LEN,
96 logf (LOG_FATAL|LOG_ERRNO, "lseek of sys_idx");
99 if (read (zi->sys_idx_fd, fname, SYS_IDX_ENTRY_LEN) == -1)
101 logf (LOG_FATAL|LOG_ERRNO, "read of sys_idx");
104 if (!(inf = fopen (fname, "r")))
105 logf (LOG_WARN, "fopen: %s", fname);
110 fseek (inf, 0L, SEEK_END);
112 fseek (inf, 0L, SEEK_SET);
113 logf (LOG_DEBUG, "get sysno=%d, fname=%s, size=%ld",
114 psysno, fname, (long) size);
115 sr[num_i].buf = xmalloc (size+1);
116 sr[num_i].size = size;
117 sr[num_i].buf[size] = '\0';
118 if (fread (sr[num_i].buf, size, 1, inf) != 1)
120 logf (LOG_FATAL|LOG_ERRNO, "fread %s", fname);
131 rset_close (rset, rfd);
134 sr[num_i].buf = NULL;
141 void resultSetRecordDel (ZServerInfo *zi, ZServerRecord *records, int num)
145 for (i = 0; i<num; i++)
146 free (records[i].buf);