| 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 03:11:15 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 1.11 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 1.10 2000/01/31 13:15:21 adam
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| 14 | * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
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| 15 | * that some characters are not surrounded by spaces in resulting term.
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| 16 | * ILL-code updates.
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| 17 | *
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| 18 | * Revision 1.9 1999/11/30 13:47:11 adam
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| 19 | * Improved installation. Moved header files to include/yaz.
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| 20 | *
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| 21 | * Revision 1.8 1995/09/29 17:12:18 quinn
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| 22 | * Smallish
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| 23 | *
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| 24 | * Revision 1.7 1995/09/27 15:02:55 quinn
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| 25 | * Modified function heads & prototypes.
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| 26 | *
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| 27 | * Revision 1.6 1995/05/22 11:32:01 quinn
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| 28 | * Fixing Interface to odr_null.
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| 29 | *
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| 30 | * Revision 1.5 1995/05/16 08:50:46 quinn
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| 31 | * License, documentation, and memory fixes
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| 32 | *
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| 33 | * Revision 1.4 1995/04/18 08:15:16 quinn
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| 34 | * Added dynamic memory allocation on encoding (whew). Code is now somewhat
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| 35 | * neater. We'll make the same change for decoding one day.
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| 36 | *
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| 37 | * Revision 1.3 1995/03/08 12:12:09 quinn
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| 38 | * Added better error checking.
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| 39 | *
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| 40 | * Revision 1.2 1995/02/09 15:51:46 quinn
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| 41 | * Works better now.
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| 42 | *
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| 43 | * Revision 1.1 1995/02/02 16:21:52 quinn
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| 44 | * First kick.
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| 45 | *
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| 46 | */
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| 47 | #if HAVE_CONFIG_H
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| 48 | #include <config.h>
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| 49 | #endif
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| 50 |
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| 51 | #include <yaz/odr.h>
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| 52 |
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| 53 | /*
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| 54 | * BER-en/decoder for NULL type.
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| 55 | */
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| 56 | int ber_null(ODR o)
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| 57 | {
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| 58 | switch (o->direction)
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| 59 | {
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| 60 | case ODR_ENCODE:
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| 61 | if (odr_putc(o, 0X00) < 0)
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| 62 | return 0;
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| 63 | #ifdef ODR_DEBUG
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| 64 | fprintf(stderr, "[NULL]\n");
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| 65 | #endif
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| 66 | return 1;
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| 67 | case ODR_DECODE:
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| 68 | if (*(o->bp++) != 0X00)
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| 69 | {
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| 70 | o->error = OPROTO;
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| 71 | return 0;
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| 72 | }
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| 73 | #ifdef ODR_DEBUG
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| 74 | fprintf(stderr, "[NULL]\n");
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| 75 | #endif
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| 76 | return 1;
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| 77 | case ODR_PRINT: return 1;
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| 78 | default: o->error = OOTHER; return 0;
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| 79 | }
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| 80 | }
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