| 1 | /*
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| 2 | * Copyright (c) 1995-2000, Index Data
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| 3 | * See the file LICENSE for details.
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| 4 | * Sebastian Hammer, Adam Dickmeiss
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| 5 | *
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| 6 | * $Log$
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| 7 | * Revision 1.1 2000/08/03 03:11:18 johnmcp
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| 8 | * Added the YAZ toolkit source to the packages directory (for z39.50 stuff)
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| 9 | *
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| 10 | * Revision 1.14 2000/02/29 13:44:55 adam
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| 11 | * Check for config.h (currently not generated).
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| 12 | *
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| 13 | * Revision 1.13 1999/11/30 13:47:11 adam
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| 14 | * Improved installation. Moved header files to include/yaz.
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| 15 | *
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| 16 | * Revision 1.12 1999/04/20 09:56:48 adam
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| 17 | * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
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| 18 | * Modified all encoders/decoders to reflect this change.
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| 19 | *
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| 20 | * Revision 1.11 1998/02/11 11:53:34 adam
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| 21 | * Changed code so that it compiles as C++.
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| 22 | *
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| 23 | * Revision 1.10 1995/09/29 17:12:22 quinn
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| 24 | * Smallish
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| 25 | *
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| 26 | * Revision 1.9 1995/09/27 15:02:58 quinn
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| 27 | * Modified function heads & prototypes.
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| 28 | *
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| 29 | * Revision 1.8 1995/05/16 08:50:51 quinn
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| 30 | * License, documentation, and memory fixes
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| 31 | *
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| 32 | * Revision 1.7 1995/03/17 10:17:48 quinn
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| 33 | * Added memory management.
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| 34 | *
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| 35 | * Revision 1.6 1995/03/08 12:12:19 quinn
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| 36 | * Added better error checking.
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| 37 | *
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| 38 | * Revision 1.5 1995/02/10 18:57:25 quinn
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| 39 | * More in the way of error-checking.
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| 40 | *
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| 41 | * Revision 1.4 1995/02/09 15:51:47 quinn
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| 42 | * Works better now.
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| 43 | *
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| 44 | * Revision 1.3 1995/02/07 14:13:45 quinn
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| 45 | * Bug fixes.
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| 46 | *
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| 47 | * Revision 1.2 1995/02/03 17:04:37 quinn
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| 48 | * *** empty log message ***
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| 49 | *
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| 50 | * Revision 1.1 1995/02/02 20:38:50 quinn
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| 51 | * Updates.
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| 52 | *
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| 53 | *
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| 54 | */
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| 55 | #if HAVE_CONFIG_H
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| 56 | #include <config.h>
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| 57 | #endif
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| 58 |
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| 59 | #include <string.h>
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| 60 | #include <yaz/odr.h>
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| 61 |
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| 62 | /*
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| 63 | * Top level bitstring string en/decoder.
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| 64 | * Returns 1 on success, 0 on error.
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| 65 | */
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| 66 | int odr_bitstring(ODR o, Odr_bitmask **p, int opt, const char *name)
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| 67 | {
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| 68 | int res, cons = 0;
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| 69 |
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| 70 | if (o->error)
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| 71 | return 0;
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| 72 | if (o->t_class < 0)
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| 73 | {
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| 74 | o->t_class = ODR_UNIVERSAL;
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| 75 | o->t_tag = ODR_BITSTRING;
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| 76 | }
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| 77 | if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, opt)) < 0)
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| 78 | return 0;
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| 79 | if (!res)
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| 80 | return opt;
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| 81 | if (o->direction == ODR_PRINT)
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| 82 | {
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| 83 | odr_prname(o, name);
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| 84 | fprintf(o->print, "BITSTRING(len=%d)\n",(*p)->top + 1);
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| 85 | return 1;
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| 86 | }
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| 87 | if (o->direction == ODR_DECODE)
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| 88 | {
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| 89 | *p = (Odr_bitmask *)odr_malloc(o, sizeof(Odr_bitmask));
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| 90 | memset((*p)->bits, 0, ODR_BITMASK_SIZE);
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| 91 | (*p)->top = -1;
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| 92 | }
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| 93 | return ber_bitstring(o, *p, cons);
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| 94 | }
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