asn1/INTEGER.h

   1 /*-
   2  * Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
   3  * Redistribution and modifications are permitted subject to BSD license.
   4  */
   5 #ifndef _INTEGER_H_
   6 #define _INTEGER_H_
   7
   8 #include <asn_application.h>
   9 #include <asn_codecs_prim.h>
  10
  11 #ifdef __cplusplus
  12 extern "C" {
  13 #endif
  14
  15 typedef ASN__PRIMITIVE_TYPE_t INTEGER_t;
  16
  17 extern asn_TYPE_descriptor_t asn_DEF_INTEGER;
  18
  19 /* Map with <tag> to integer value association */
  20 typedef struct asn_INTEGER_enum_map_s {
  21         long             nat_value;     /* associated native integer value */
  22         size_t           enum_len;      /* strlen("tag") */
  23         const char      *enum_name;     /* "tag" */
  24 } asn_INTEGER_enum_map_t;
  25
  26 /* This type describes an enumeration for INTEGER and ENUMERATED types */
  27 typedef struct asn_INTEGER_specifics_s {
  28         asn_INTEGER_enum_map_t *value2enum;     /* N -> "tag"; sorted by N */
  29         unsigned int *enum2value;               /* "tag" => N; sorted by tag */
  30         int map_count;                          /* Elements in either map */
  31         int extension;                          /* This map is extensible */
  32         int strict_enumeration;                 /* Enumeration set is fixed */
  33         int field_width;                        /* Size of native integer */
  34         int field_unsigned;                     /* Signed=0, unsigned=1 */
  35 } asn_INTEGER_specifics_t;
  36
  37 asn_struct_print_f INTEGER_print;
  38 ber_type_decoder_f INTEGER_decode_ber;
  39 der_type_encoder_f INTEGER_encode_der;
  40 xer_type_decoder_f INTEGER_decode_xer;
  41 xer_type_encoder_f INTEGER_encode_xer;
  42 per_type_decoder_f INTEGER_decode_uper;
  43 per_type_encoder_f INTEGER_encode_uper;
  44
  45 /***********************************
  46  * Some handy conversion routines. *
  47  ***********************************/
  48
  49 /*
  50  * Returns 0 if it was possible to convert, -1 otherwise.
  51  * -1/EINVAL: Mandatory argument missing
  52  * -1/ERANGE: Value encoded is out of range for long representation
  53  * -1/ENOMEM: Memory allocation failed (in asn_long2INTEGER()).
  54  */
  55 int asn_INTEGER2long(const INTEGER_t *i, long *l);
  56 int asn_INTEGER2ulong(const INTEGER_t *i, unsigned long *l);
  57 int asn_long2INTEGER(INTEGER_t *i, long l);
  58 int asn_ulong2INTEGER(INTEGER_t *i, unsigned long l);
  59
  60 /*
  61  * Convert the integer value into the corresponding enumeration map entry.
  62  */
  63 const asn_INTEGER_enum_map_t *INTEGER_map_value2enum(asn_INTEGER_specifics_t *specs, long value);
  64
  65 #ifdef __cplusplus
  66 }
  67 #endif
  68
  69 #endif  /* _INTEGER_H_ */