2 * Copyright (c) 1995, Index Data
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1995-09-29 17:12:34 quinn
10 * Revision 1.3 1995/09/27 15:03:03 quinn
11 * Modified function heads & prototypes.
13 * Revision 1.2 1995/05/16 08:51:12 quinn
14 * License, documentation, and memory fixes
16 * Revision 1.1 1995/04/10 10:28:46 quinn
17 * Added copy of CCL and MARC display
26 #define ISO2709_RS 035
27 #define ISO2709_FS 036
28 #define ISO2709_IDFS 037
30 int atoi_n (const char *buf, int len)
37 val = val*10 + (*buf - '0');
43 int marc_display (const char *buf, FILE *outf)
48 int identifier_length;
50 int length_data_entry;
52 int length_implementation;
54 record_length = atoi_n (buf, 5);
55 if (record_length < 25)
57 indicator_length = atoi_n (buf+10, 1);
58 identifier_length = atoi_n (buf+11, 1);
59 base_address = atoi_n (buf+12, 4);
61 length_data_entry = atoi_n (buf+20, 1);
62 length_starting = atoi_n (buf+21, 1);
63 length_implementation = atoi_n (buf+22, 1);
65 for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
66 entry_p += 3+length_data_entry+length_starting;
67 base_address = entry_p+1;
68 for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
76 memcpy (tag, buf+entry_p, 3);
79 fprintf (outf, "%s ", tag);
80 data_length = atoi_n (buf+entry_p, length_data_entry);
81 entry_p += length_data_entry;
82 data_offset = atoi_n (buf+entry_p, length_starting);
83 entry_p += length_starting;
84 i = data_offset + base_address;
85 end_offset = i+data_length-1;
86 if (memcmp (tag, "00", 2) && indicator_length)
88 for (j = 0; j<indicator_length; j++)
89 fprintf (outf, "%c", buf[i++]);
91 while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset)
93 if (memcmp (tag, "00", 2) && identifier_length)
97 for (j = 1; j<identifier_length; j++)
98 fprintf (outf, "%c", buf[i++]);
100 while (buf[i] != ISO2709_RS && buf[i] != ISO2709_IDFS &&
101 buf[i] != ISO2709_FS && i < end_offset)
102 fprintf (outf, "%c", buf[i++]);
105 fprintf (outf, "%c", buf[i++]);
107 fprintf (outf, "\n");
109 fprintf (outf, "-- separator but not at end of field\n");
110 if (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS)
111 fprintf (outf, "-- no separator at end of field\n");
113 return record_length;