2 * Copyright (c) 1995, Index Data
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.2 1995-05-16 08:51:12 quinn
8 * License, documentation, and memory fixes
10 * Revision 1.1 1995/04/10 10:28:46 quinn
11 * Added copy of CCL and MARC display
20 #define ISO2709_RS 035
21 #define ISO2709_FS 036
22 #define ISO2709_IDFS 037
24 int atoi_n (const char *buf, int len)
31 val = val*10 + (*buf - '0');
37 int marc_display (const char *buf, FILE *outf)
42 int identifier_length;
44 int length_data_entry;
46 int length_implementation;
48 record_length = atoi_n (buf, 5);
49 if (record_length < 25)
51 indicator_length = atoi_n (buf+10, 1);
52 identifier_length = atoi_n (buf+11, 1);
53 base_address = atoi_n (buf+12, 4);
55 length_data_entry = atoi_n (buf+20, 1);
56 length_starting = atoi_n (buf+21, 1);
57 length_implementation = atoi_n (buf+22, 1);
59 for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
60 entry_p += 3+length_data_entry+length_starting;
61 base_address = entry_p+1;
62 for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
70 memcpy (tag, buf+entry_p, 3);
73 fprintf (outf, "%s ", tag);
74 data_length = atoi_n (buf+entry_p, length_data_entry);
75 entry_p += length_data_entry;
76 data_offset = atoi_n (buf+entry_p, length_starting);
77 entry_p += length_starting;
78 i = data_offset + base_address;
79 end_offset = i+data_length-1;
80 if (memcmp (tag, "00", 2) && indicator_length)
82 for (j = 0; j<indicator_length; j++)
83 fprintf (outf, "%c", buf[i++]);
85 while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset)
87 if (memcmp (tag, "00", 2) && identifier_length)
91 for (j = 1; j<identifier_length; j++)
92 fprintf (outf, "%c", buf[i++]);
94 while (buf[i] != ISO2709_RS && buf[i] != ISO2709_IDFS &&
95 buf[i] != ISO2709_FS && i < end_offset)
96 fprintf (outf, "%c", buf[i++]);
99 fprintf (outf, "%c", buf[i++]);
101 fprintf (outf, "\n");
103 fprintf (outf, "-- separator but not at end of field\n");
104 if (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS)
105 fprintf (outf, "-- no separator at end of field\n");
107 return record_length;