mirror of https://gerrit.osmocom.org/asn1c
105 lines
3.9 KiB
C
105 lines
3.9 KiB
C
/*-
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* Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#ifndef _INTEGER_H_
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#define _INTEGER_H_
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#include <asn_application.h>
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#include <asn_codecs_prim.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef ASN__PRIMITIVE_TYPE_t INTEGER_t;
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extern asn_TYPE_descriptor_t asn_DEF_INTEGER;
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extern asn_TYPE_operation_t asn_OP_INTEGER;
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/* Map with <tag> to integer value association */
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typedef struct asn_INTEGER_enum_map_s {
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long nat_value; /* associated native integer value */
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size_t enum_len; /* strlen("tag") */
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const char *enum_name; /* "tag" */
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} asn_INTEGER_enum_map_t;
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/* This type describes an enumeration for INTEGER and ENUMERATED types */
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typedef struct asn_INTEGER_specifics_s {
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const asn_INTEGER_enum_map_t *value2enum; /* N -> "tag"; sorted by N */
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const unsigned int *enum2value; /* "tag" => N; sorted by tag */
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int map_count; /* Elements in either map */
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int extension; /* This map is extensible */
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int strict_enumeration; /* Enumeration set is fixed */
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int field_width; /* Size of native integer */
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int field_unsigned; /* Signed=0, unsigned=1 */
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} asn_INTEGER_specifics_t;
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#define INTEGER_free ASN__PRIMITIVE_TYPE_free
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#define INTEGER_decode_ber ber_decode_primitive
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#define INTEGER_constraint asn_generic_no_constraint
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asn_struct_print_f INTEGER_print;
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asn_struct_compare_f INTEGER_compare;
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der_type_encoder_f INTEGER_encode_der;
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xer_type_decoder_f INTEGER_decode_xer;
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xer_type_encoder_f INTEGER_encode_xer;
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oer_type_decoder_f INTEGER_decode_oer;
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oer_type_encoder_f INTEGER_encode_oer;
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per_type_decoder_f INTEGER_decode_uper;
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per_type_encoder_f INTEGER_encode_uper;
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asn_random_fill_f INTEGER_random_fill;
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/***********************************
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* Some handy conversion routines. *
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***********************************/
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/*
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* Natiwe size-independent conversion of native integers to/from INTEGER.
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* (l_size) is in bytes.
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* Returns 0 if it was possible to convert, -1 otherwise.
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* -1/EINVAL: Mandatory argument missing
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* -1/ERANGE: Value encoded is out of range for long representation
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* -1/ENOMEM: Memory allocation failed (in asn_*2INTEGER()).
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*/
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int asn_INTEGER2imax(const INTEGER_t *i, intmax_t *l);
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int asn_INTEGER2umax(const INTEGER_t *i, uintmax_t *l);
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int asn_imax2INTEGER(INTEGER_t *i, intmax_t l);
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int asn_umax2INTEGER(INTEGER_t *i, uintmax_t l);
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/*
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* Size-specific conversion helpers.
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*/
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int asn_INTEGER2long(const INTEGER_t *i, long *l);
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int asn_INTEGER2ulong(const INTEGER_t *i, unsigned long *l);
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int asn_long2INTEGER(INTEGER_t *i, long l);
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int asn_ulong2INTEGER(INTEGER_t *i, unsigned long l);
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/* A version of strtol/strtoimax(3) with nicer error reporting. */
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enum asn_strtox_result_e {
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ASN_STRTOX_ERROR_RANGE = -3, /* Input outside of supported numeric range */
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ASN_STRTOX_ERROR_INVAL = -2, /* Invalid data encountered (e.g., "+-") */
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ASN_STRTOX_EXPECT_MORE = -1, /* More data expected (e.g. "+") */
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ASN_STRTOX_OK = 0, /* Conversion succeded, number ends at (*end) */
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ASN_STRTOX_EXTRA_DATA = 1 /* Conversion succeded, but the string has extra stuff */
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};
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enum asn_strtox_result_e asn_strtol_lim(const char *str, const char **end,
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long *l);
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enum asn_strtox_result_e asn_strtoul_lim(const char *str, const char **end,
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unsigned long *l);
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enum asn_strtox_result_e asn_strtoimax_lim(const char *str, const char **end,
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intmax_t *l);
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enum asn_strtox_result_e asn_strtoumax_lim(const char *str, const char **end,
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uintmax_t *l);
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/*
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* Convert the integer value into the corresponding enumeration map entry.
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*/
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const asn_INTEGER_enum_map_t *INTEGER_map_value2enum(
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const asn_INTEGER_specifics_t *specs, long value);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _INTEGER_H_ */
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