X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/46b0747592074017ff0ea4b33d4a7194235886e5..2741145e6eb219cb0ccb75e729b86f8fc2b499bb:/libs/smux/constr_CHOICE.c diff --git a/libs/smux/constr_CHOICE.c b/libs/smux/constr_CHOICE.c index a20a0505..6116e6a6 100644 --- a/libs/smux/constr_CHOICE.c +++ b/libs/smux/constr_CHOICE.c @@ -1,10 +1,11 @@ /* - * Copyright (c) 2003, 2004, 2005, 2006 Lev Walkin . + * Copyright (c) 2003, 2004, 2005, 2006, 2007 Lev Walkin . * All rights reserved. * Redistribution and modifications are permitted subject to BSD license. */ #include #include +#include /* * Number of bytes left for this structure. @@ -182,11 +183,11 @@ CHOICE_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, } do { - asn_TYPE_tag2member_t *t2m; + const asn_TYPE_tag2member_t *t2m; asn_TYPE_tag2member_t key; key.el_tag = tlv_tag; - t2m = (asn_TYPE_tag2member_t *)bsearch(&key, + t2m = (const asn_TYPE_tag2member_t *)bsearch(&key, specs->tag2el, specs->tag2el_count, sizeof(specs->tag2el[0]), _search4tag); if(t2m) { @@ -363,7 +364,7 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr, size_t computed_size = 0; int present; - if(!sptr) _ASN_ENCODE_FAILED; + if(!sptr) ASN__ENCODE_FAILED; ASN_DEBUG("%s %s as CHOICE", cb?"Encoding":"Estimating", td->name); @@ -379,9 +380,9 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr, if(present == 0 && td->elements_count == 0) { /* The CHOICE is empty?! */ erval.encoded = 0; - _ASN_ENCODED_OK(erval); + ASN__ENCODED_OK(erval); } - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; } /* @@ -393,10 +394,10 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr, if(memb_ptr == 0) { if(elm->optional) { erval.encoded = 0; - _ASN_ENCODED_OK(erval); + ASN__ENCODED_OK(erval); } /* Mandatory element absent */ - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; } } else { memb_ptr = (void *)((char *)sptr + elm->memb_offset); @@ -423,7 +424,7 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr, ret = der_write_tags(td, erval.encoded, tag_mode, 1, tag, cb, app_key); if(ret == -1) - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; computed_size += ret; } @@ -444,7 +445,7 @@ CHOICE_encode_der(asn_TYPE_descriptor_t *td, void *sptr, } ber_tlv_tag_t -CHOICE_outmost_tag(asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode, ber_tlv_tag_t tag) { +CHOICE_outmost_tag(const asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode, ber_tlv_tag_t tag) { asn_CHOICE_specifics_t *specs = (asn_CHOICE_specifics_t *)td->specifics; int present; @@ -457,7 +458,7 @@ CHOICE_outmost_tag(asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode, ber present = _fetch_present_idx(ptr, specs->pres_offset, specs->pres_size); if(present > 0 || present <= td->elements_count) { - asn_TYPE_member_t *elm = &td->elements[present-1]; + const asn_TYPE_member_t *elm = &td->elements[present-1]; const void *memb_ptr; if(elm->flags & ATF_POINTER) { @@ -482,7 +483,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr, int present; if(!sptr) { - _ASN_CTFAIL(app_key, td, + ASN__CTFAIL(app_key, td, sptr, "%s: value not given (%s:%d)", td->name, __FILE__, __LINE__); return -1; @@ -501,7 +502,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr, if(!memb_ptr) { if(elm->optional) return 0; - _ASN_CTFAIL(app_key, td, + ASN__CTFAIL(app_key, td, sptr, "%s: mandatory CHOICE element %s absent (%s:%d)", td->name, elm->name, __FILE__, __LINE__); return -1; @@ -524,7 +525,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr, return ret; } } else { - _ASN_CTFAIL(app_key, td, + ASN__CTFAIL(app_key, td, sptr, "%s: no CHOICE element given (%s:%d)", td->name, __FILE__, __LINE__); return -1; @@ -534,7 +535,7 @@ CHOICE_constraint(asn_TYPE_descriptor_t *td, const void *sptr, #undef XER_ADVANCE #define XER_ADVANCE(num_bytes) do { \ size_t num = num_bytes; \ - buf_ptr = ((const char *)buf_ptr) + num;\ + buf_ptr = (const void *)(((const char *)buf_ptr) + num); \ size -= num; \ consumed_myself += num; \ } while(0) @@ -639,11 +640,12 @@ CHOICE_decode_xer(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, * Get the next part of the XML stream. */ ch_size = xer_next_token(&ctx->context, buf_ptr, size, &ch_type); - switch(ch_size) { - case -1: RETURN(RC_FAIL); - case 0: RETURN(RC_WMORE); - default: + if(ch_size == -1) { + RETURN(RC_FAIL); + } else { switch(ch_type) { + case PXER_WMORE: + RETURN(RC_WMORE); case PXER_COMMENT: /* Got XML comment */ case PXER_TEXT: /* Ignore free-standing text */ XER_ADVANCE(ch_size); /* Skip silently */ @@ -779,7 +781,7 @@ CHOICE_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, int present; if(!sptr) - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; /* * Figure out which CHOICE element is encoded. @@ -787,7 +789,7 @@ CHOICE_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, present = _fetch_present_idx(sptr, specs->pres_offset,specs->pres_size); if(present <= 0 || present > td->elements_count) { - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; } else { asn_enc_rval_t tmper; asn_TYPE_member_t *elm = &td->elements[present-1]; @@ -797,30 +799,30 @@ CHOICE_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, if(elm->flags & ATF_POINTER) { memb_ptr = *(void **)((char *)sptr + elm->memb_offset); - if(!memb_ptr) _ASN_ENCODE_FAILED; + if(!memb_ptr) ASN__ENCODE_FAILED; } else { memb_ptr = (void *)((char *)sptr + elm->memb_offset); } er.encoded = 0; - if(!(flags & XER_F_CANONICAL)) _i_ASN_TEXT_INDENT(1, ilevel); - _ASN_CALLBACK3("<", 1, mname, mlen, ">", 1); + if(!(flags & XER_F_CANONICAL)) ASN__TEXT_INDENT(1, ilevel); + ASN__CALLBACK3("<", 1, mname, mlen, ">", 1); tmper = elm->type->xer_encoder(elm->type, memb_ptr, ilevel + 1, flags, cb, app_key); if(tmper.encoded == -1) return tmper; - _ASN_CALLBACK3("", 1); + ASN__CALLBACK3("", 1); er.encoded += 5 + (2 * mlen) + tmper.encoded; } - if(!(flags & XER_F_CANONICAL)) _i_ASN_TEXT_INDENT(1, ilevel - 1); + if(!(flags & XER_F_CANONICAL)) ASN__TEXT_INDENT(1, ilevel - 1); - _ASN_ENCODED_OK(er); + ASN__ENCODED_OK(er); cb_failed: - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; } asn_dec_rval_t @@ -835,15 +837,15 @@ CHOICE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, void *st = *sptr; int value; - if(_ASN_STACK_OVERFLOW_CHECK(opt_codec_ctx)) - _ASN_DECODE_FAILED; + if(ASN__STACK_OVERFLOW_CHECK(opt_codec_ctx)) + ASN__DECODE_FAILED; /* * Create the target structure if it is not present already. */ if(!st) { st = *sptr = CALLOC(1, specs->struct_size); - if(!st) _ASN_DECODE_FAILED; + if(!st) ASN__DECODE_FAILED; } if(constraints) ct = &constraints->value; @@ -852,27 +854,25 @@ CHOICE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, if(ct && ct->flags & APC_EXTENSIBLE) { value = per_get_few_bits(pd, 1); - if(value < 0) _ASN_DECODE_STARVED; + if(value < 0) ASN__DECODE_STARVED; if(value) ct = 0; /* Not restricted */ } if(ct && ct->range_bits >= 0) { value = per_get_few_bits(pd, ct->range_bits); - if(value < 0) _ASN_DECODE_STARVED; + if(value < 0) ASN__DECODE_STARVED; ASN_DEBUG("CHOICE %s got index %d in range %d", td->name, value, ct->range_bits); if(value > ct->upper_bound) - _ASN_DECODE_FAILED; + ASN__DECODE_FAILED; } else { if(specs->ext_start == -1) - _ASN_DECODE_FAILED; + ASN__DECODE_FAILED; value = uper_get_nsnnwn(pd); - if(value < 0) _ASN_DECODE_STARVED; + if(value < 0) ASN__DECODE_STARVED; value += specs->ext_start; if(value >= td->elements_count) - _ASN_DECODE_FAILED; - ASN_DEBUG("NOT IMPLEMENTED YET"); - _ASN_DECODE_FAILED; + ASN__DECODE_FAILED; } /* Adjust if canonical order is different from natural order */ @@ -892,11 +892,17 @@ CHOICE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, } ASN_DEBUG("Discovered CHOICE %s encodes %s", td->name, elm->name); - rv = elm->type->uper_decoder(opt_codec_ctx, elm->type, + if(ct && ct->range_bits >= 0) { + rv = elm->type->uper_decoder(opt_codec_ctx, elm->type, + elm->per_constraints, memb_ptr2, pd); + } else { + rv = uper_open_type_get(opt_codec_ctx, elm->type, elm->per_constraints, memb_ptr2, pd); + } + if(rv.code != RC_OK) - ASN_DEBUG("Failed to decode %s in %s (CHOICE)", - elm->name, td->name); + ASN_DEBUG("Failed to decode %s in %s (CHOICE) %d", + elm->name, td->name, rv.code); return rv; } @@ -908,8 +914,9 @@ CHOICE_encode_uper(asn_TYPE_descriptor_t *td, asn_per_constraint_t *ct; void *memb_ptr; int present; + int present_enc; - if(!sptr) _ASN_ENCODE_FAILED; + if(!sptr) ASN__ENCODE_FAILED; ASN_DEBUG("Encoding %s as CHOICE", td->name); @@ -925,55 +932,61 @@ CHOICE_encode_uper(asn_TYPE_descriptor_t *td, * can't deduce what to encode in the choice type. */ if(present <= 0 || present > td->elements_count) - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; else present--; + ASN_DEBUG("Encoding %s CHOICE element %d", td->name, present); + /* Adjust if canonical order is different from natural order */ if(specs->canonical_order) - present = specs->canonical_order[present]; - - ASN_DEBUG("Encoding %s CHOICE element %d", td->name, present); + present_enc = specs->canonical_order[present]; + else + present_enc = present; if(ct && ct->range_bits >= 0) { - if(present < ct->lower_bound - || present > ct->upper_bound) { + if(present_enc < ct->lower_bound + || present_enc > ct->upper_bound) { if(ct->flags & APC_EXTENSIBLE) { if(per_put_few_bits(po, 1, 1)) - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; } else { - _ASN_ENCODE_FAILED; + ASN__ENCODE_FAILED; } ct = 0; } } if(ct && ct->flags & APC_EXTENSIBLE) if(per_put_few_bits(po, 0, 1)) - _ASN_ENCODE_FAILED; - - if(ct && ct->range_bits >= 0) { - if(per_put_few_bits(po, present, ct->range_bits)) - _ASN_ENCODE_FAILED; - } else { - if(specs->ext_start == -1) - _ASN_ENCODE_FAILED; - if(uper_put_nsnnwn(po, present - specs->ext_start)) - _ASN_ENCODE_FAILED; - ASN_DEBUG("NOT IMPLEMENTED YET"); - _ASN_ENCODE_FAILED; - } + ASN__ENCODE_FAILED; elm = &td->elements[present]; if(elm->flags & ATF_POINTER) { /* Member is a pointer to another structure */ memb_ptr = *(void **)((char *)sptr + elm->memb_offset); - if(!memb_ptr) _ASN_ENCODE_FAILED; + if(!memb_ptr) ASN__ENCODE_FAILED; } else { memb_ptr = (char *)sptr + elm->memb_offset; } - return elm->type->uper_encoder(elm->type, elm->per_constraints, + if(ct && ct->range_bits >= 0) { + if(per_put_few_bits(po, present_enc, ct->range_bits)) + ASN__ENCODE_FAILED; + + return elm->type->uper_encoder(elm->type, elm->per_constraints, memb_ptr, po); + } else { + asn_enc_rval_t rval; + if(specs->ext_start == -1) + ASN__ENCODE_FAILED; + if(uper_put_nsnnwn(po, present_enc - specs->ext_start)) + ASN__ENCODE_FAILED; + if(uper_open_type_put(elm->type, elm->per_constraints, + memb_ptr, po)) + ASN__ENCODE_FAILED; + rval.encoded = 0; + ASN__ENCODED_OK(rval); + } } @@ -1020,7 +1033,7 @@ CHOICE_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel, void CHOICE_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) { - asn_CHOICE_specifics_t *specs = td ? (asn_CHOICE_specifics_t *)td->specifics : NULL; + asn_CHOICE_specifics_t *specs = (asn_CHOICE_specifics_t *)td->specifics; int present; if(!td || !ptr)