1 /*- 2 * Copyright (c) 2003-2017 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 "asn1/asn1c/asn_application.h" 9 #include "asn1/asn1c/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 extern asn_TYPE_operation_t asn_OP_INTEGER; 19 20 /* Map with <tag> to integer value association */ 21 typedef struct asn_INTEGER_enum_map_s { 22 long nat_value; /* associated native integer value */ 23 size_t enum_len; /* strlen("tag") */ 24 const char *enum_name; /* "tag" */ 25 } asn_INTEGER_enum_map_t; 26 27 /* This type describes an enumeration for INTEGER and ENUMERATED types */ 28 typedef struct asn_INTEGER_specifics_s { 29 const asn_INTEGER_enum_map_t *value2enum; /* N -> "tag"; sorted by N */ 30 const unsigned int *enum2value; /* "tag" => N; sorted by tag */ 31 int map_count; /* Elements in either map */ 32 int extension; /* This map is extensible */ 33 int strict_enumeration; /* Enumeration set is fixed */ 34 int field_width; /* Size of native integer */ 35 int field_unsigned; /* Signed=0, unsigned=1 */ 36 } asn_INTEGER_specifics_t; 37 38 #define INTEGER_free ASN__PRIMITIVE_TYPE_free 39 #define INTEGER_decode_ber ber_decode_primitive 40 #define INTEGER_constraint asn_generic_no_constraint 41 asn_struct_print_f INTEGER_print; 42 asn_struct_compare_f INTEGER_compare; 43 der_type_encoder_f INTEGER_encode_der; 44 xer_type_decoder_f INTEGER_decode_xer; 45 xer_type_encoder_f INTEGER_encode_xer; 46 oer_type_decoder_f INTEGER_decode_oer; 47 oer_type_encoder_f INTEGER_encode_oer; 48 per_type_decoder_f INTEGER_decode_uper; 49 per_type_encoder_f INTEGER_encode_uper; 50 asn_random_fill_f INTEGER_random_fill; 51 52 /*********************************** 53 * Some handy conversion routines. * 54 ***********************************/ 55 56 /* 57 * Natiwe size-independent conversion of native integers to/from INTEGER. 58 * (l_size) is in bytes. 59 * Returns 0 if it was possible to convert, -1 otherwise. 60 * -1/EINVAL: Mandatory argument missing 61 * -1/ERANGE: Value encoded is out of range for long representation 62 * -1/ENOMEM: Memory allocation failed (in asn_*2INTEGER()). 63 */ 64 int asn_INTEGER2imax(const INTEGER_t *i, intmax_t *l); 65 int asn_INTEGER2umax(const INTEGER_t *i, uintmax_t *l); 66 int asn_imax2INTEGER(INTEGER_t *i, intmax_t l); 67 int asn_umax2INTEGER(INTEGER_t *i, uintmax_t l); 68 69 /* 70 * Size-specific conversion helpers. 71 */ 72 int asn_INTEGER2long(const INTEGER_t *i, long *l); 73 int asn_INTEGER2ulong(const INTEGER_t *i, unsigned long *l); 74 int asn_long2INTEGER(INTEGER_t *i, long l); 75 int asn_ulong2INTEGER(INTEGER_t *i, unsigned long l); 76 77 /* A version of strtol/strtoimax(3) with nicer error reporting. */ 78 enum asn_strtox_result_e { 79 ASN_STRTOX_ERROR_RANGE = -3, /* Input outside of supported numeric range */ 80 ASN_STRTOX_ERROR_INVAL = -2, /* Invalid data encountered (e.g., "+-") */ 81 ASN_STRTOX_EXPECT_MORE = -1, /* More data expected (e.g. "+") */ 82 ASN_STRTOX_OK = 0, /* Conversion succeded, number ends at (*end) */ 83 ASN_STRTOX_EXTRA_DATA = 1 /* Conversion succeded, but the string has extra stuff */ 84 }; 85 enum asn_strtox_result_e asn_strtol_lim(const char *str, const char **end, 86 long *l); 87 enum asn_strtox_result_e asn_strtoul_lim(const char *str, const char **end, 88 unsigned long *l); 89 enum asn_strtox_result_e asn_strtoimax_lim(const char *str, const char **end, 90 intmax_t *l); 91 enum asn_strtox_result_e asn_strtoumax_lim(const char *str, const char **end, 92 uintmax_t *l); 93 94 /* 95 * Convert the integer value into the corresponding enumeration map entry. 96 */ 97 const asn_INTEGER_enum_map_t *INTEGER_map_value2enum( 98 const asn_INTEGER_specifics_t *specs, long value); 99 100 #ifdef __cplusplus 101 } 102 #endif 103 104 #endif /* _INTEGER_H_ */ 105