153 lines
4.3 KiB
C
153 lines
4.3 KiB
C
/*-
|
|
* Copyright (c) 2004, 2005, 2006 Lev Walkin <vlm@lionet.info>.
|
|
* All rights reserved.
|
|
* Redistribution and modifications are permitted subject to BSD license.
|
|
*/
|
|
/*
|
|
* Read the NativeInteger.h for the explanation wrt. differences between
|
|
* INTEGER and NativeInteger.
|
|
* Basically, both are decoders and encoders of ASN.1 INTEGER type, but this
|
|
* implementation deals with the standard (machine-specific) representation
|
|
* of them instead of using the platform-independent buffer.
|
|
*/
|
|
#include <asn_internal.h>
|
|
#include <NativeInteger.h>
|
|
|
|
/*
|
|
* NativeInteger basic type description.
|
|
*/
|
|
static const ber_tlv_tag_t asn_DEF_NativeInteger_tags[] = {
|
|
(ASN_TAG_CLASS_UNIVERSAL | (2 << 2))
|
|
};
|
|
asn_TYPE_operation_t asn_OP_NativeInteger = {
|
|
NativeInteger_free,
|
|
#if !defined(ASN_DISABLE_PRINT_SUPPORT)
|
|
NativeInteger_print,
|
|
#else
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_PRINT_SUPPORT) */
|
|
NativeInteger_compare,
|
|
#if !defined(ASN_DISABLE_BER_SUPPORT)
|
|
NativeInteger_decode_ber,
|
|
NativeInteger_encode_der,
|
|
#else
|
|
0,
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_BER_SUPPORT) */
|
|
#if !defined(ASN_DISABLE_XER_SUPPORT)
|
|
NativeInteger_decode_xer,
|
|
NativeInteger_encode_xer,
|
|
#else
|
|
0,
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_XER_SUPPORT) */
|
|
#if !defined(ASN_DISABLE_JER_SUPPORT)
|
|
NativeInteger_encode_jer,
|
|
#else
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_JER_SUPPORT) */
|
|
#if !defined(ASN_DISABLE_OER_SUPPORT)
|
|
NativeInteger_decode_oer, /* OER decoder */
|
|
NativeInteger_encode_oer, /* Canonical OER encoder */
|
|
#else
|
|
0,
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_OER_SUPPORT) */
|
|
#if !defined(ASN_DISABLE_UPER_SUPPORT)
|
|
NativeInteger_decode_uper, /* Unaligned PER decoder */
|
|
NativeInteger_encode_uper, /* Unaligned PER encoder */
|
|
#else
|
|
0,
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_UPER_SUPPORT) */
|
|
#if !defined(ASN_DISABLE_APER_SUPPORT)
|
|
NativeInteger_decode_aper, /* Aligned PER decoder */
|
|
NativeInteger_encode_aper, /* Aligned PER encoder */
|
|
#else
|
|
0,
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_APER_SUPPORT) */
|
|
#if !defined(ASN_DISABLE_RFILL_SUPPORT)
|
|
NativeInteger_random_fill,
|
|
#else
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_RFILL_SUPPORT) */
|
|
0 /* Use generic outmost tag fetcher */
|
|
};
|
|
asn_TYPE_descriptor_t asn_DEF_NativeInteger = {
|
|
"INTEGER", /* The ASN.1 type is still INTEGER */
|
|
"INTEGER",
|
|
&asn_OP_NativeInteger,
|
|
asn_DEF_NativeInteger_tags,
|
|
sizeof(asn_DEF_NativeInteger_tags) / sizeof(asn_DEF_NativeInteger_tags[0]),
|
|
asn_DEF_NativeInteger_tags, /* Same as above */
|
|
sizeof(asn_DEF_NativeInteger_tags) / sizeof(asn_DEF_NativeInteger_tags[0]),
|
|
{
|
|
#if !defined(ASN_DISABLE_OER_SUPPORT)
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_OER_SUPPORT) */
|
|
#if !defined(ASN_DISABLE_UPER_SUPPORT) || !defined(ASN_DISABLE_APER_SUPPORT)
|
|
0,
|
|
#endif /* !defined(ASN_DISABLE_UPER_SUPPORT) || !defined(ASN_DISABLE_APER_SUPPORT) */
|
|
asn_generic_no_constraint
|
|
},
|
|
0, 0, /* No members */
|
|
0 /* No specifics */
|
|
};
|
|
|
|
void
|
|
NativeInteger_free(const asn_TYPE_descriptor_t *td, void *ptr,
|
|
enum asn_struct_free_method method) {
|
|
if(!td || !ptr)
|
|
return;
|
|
|
|
ASN_DEBUG("Freeing %s as INTEGER (%d, %p, Native)",
|
|
td->name, method, ptr);
|
|
|
|
switch(method) {
|
|
case ASFM_FREE_EVERYTHING:
|
|
FREEMEM(ptr);
|
|
break;
|
|
case ASFM_FREE_UNDERLYING:
|
|
break;
|
|
case ASFM_FREE_UNDERLYING_AND_RESET:
|
|
memset(ptr, 0, sizeof(long));
|
|
break;
|
|
}
|
|
}
|
|
|
|
int
|
|
NativeInteger_compare(const asn_TYPE_descriptor_t *td, const void *aptr, const void *bptr) {
|
|
(void)td;
|
|
|
|
if(aptr && bptr) {
|
|
const asn_INTEGER_specifics_t *specs =
|
|
(const asn_INTEGER_specifics_t *)td->specifics;
|
|
if(specs && specs->field_unsigned) {
|
|
const unsigned long *a = aptr;
|
|
const unsigned long *b = bptr;
|
|
if(*a < *b) {
|
|
return -1;
|
|
} else if(*a > *b) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
} else {
|
|
const long *a = aptr;
|
|
const long *b = bptr;
|
|
if(*a < *b) {
|
|
return -1;
|
|
} else if(*a > *b) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
} else if(!aptr) {
|
|
return -1;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|