diff options
Diffstat (limited to 'source4/heimdal/lib/asn1/gen_copy.c')
| -rw-r--r-- | source4/heimdal/lib/asn1/gen_copy.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/source4/heimdal/lib/asn1/gen_copy.c b/source4/heimdal/lib/asn1/gen_copy.c new file mode 100644 index 0000000000..a8421fea6a --- /dev/null +++ b/source4/heimdal/lib/asn1/gen_copy.c @@ -0,0 +1,157 @@ +/* + * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "gen_locl.h" + +RCSID("$Id: gen_copy.c,v 1.15 2005/06/16 20:03:38 lha Exp $"); + +static void +copy_primitive (const char *typename, const char *from, const char *to) +{ + fprintf (codefile, "if(copy_%s(%s, %s)) return ENOMEM;\n", + typename, from, to); +} + +static void +copy_type (const char *from, const char *to, const Type *t) +{ + switch (t->type) { + case TType: +#if 0 + copy_type (from, to, t->symbol->type); +#endif + fprintf (codefile, "if(copy_%s(%s, %s)) return ENOMEM;\n", + t->symbol->gen_name, from, to); + break; + case TInteger: + case TUInteger: + case TBoolean: + case TEnumerated : + fprintf(codefile, "*(%s) = *(%s);\n", to, from); + break; + case TOctetString: + copy_primitive ("octet_string", from, to); + break; + case TOID: + copy_primitive ("oid", from, to); + break; + case TBitString: { + fprintf(codefile, "*(%s) = *(%s);\n", to, from); + break; + } + case TSequence: { + Member *m; + int tag = -1; + + if (t->members == NULL) + break; + + for (m = t->members; m && tag != m->val; m = m->next) { + char *fn; + char *tn; + + asprintf (&fn, "%s(%s)->%s", + m->optional ? "" : "&", from, m->gen_name); + asprintf (&tn, "%s(%s)->%s", + m->optional ? "" : "&", to, m->gen_name); + if(m->optional){ + fprintf(codefile, "if(%s) {\n", fn); + fprintf(codefile, "%s = malloc(sizeof(*%s));\n", tn, tn); + fprintf(codefile, "if(%s == NULL) return ENOMEM;\n", tn); + } + copy_type (fn, tn, m->type); + if(m->optional){ + fprintf(codefile, "}else\n"); + fprintf(codefile, "%s = NULL;\n", tn); + } + if (tag == -1) + tag = m->val; + free (fn); + free (tn); + } + break; + } + case TSequenceOf: { + char *f; + char *T; + + fprintf (codefile, "if(((%s)->val = " + "malloc((%s)->len * sizeof(*(%s)->val))) == NULL && (%s)->len != 0)\n", + to, from, to, from); + fprintf (codefile, "return ENOMEM;\n"); + fprintf(codefile, + "for((%s)->len = 0; (%s)->len < (%s)->len; (%s)->len++){\n", + to, to, from, to); + asprintf(&f, "&(%s)->val[(%s)->len]", from, to); + asprintf(&T, "&(%s)->val[(%s)->len]", to, to); + copy_type(f, T, t->subtype); + fprintf(codefile, "}\n"); + free(f); + free(T); + break; + } + case TGeneralizedTime: + fprintf(codefile, "*(%s) = *(%s);\n", to, from); + break; + case TGeneralString: + copy_primitive ("general_string", from, to); + break; + case TUTF8String: + copy_primitive ("utf8string", from, to); + break; + case TNull: + break; + case TApplication: + copy_type (from, to, t->subtype); + break; + default : + abort (); + } +} + +void +generate_type_copy (const Symbol *s) +{ + fprintf (headerfile, + "int copy_%s (const %s *, %s *);\n", + s->gen_name, s->gen_name, s->gen_name); + + fprintf (codefile, "int\n" + "copy_%s(const %s *from, %s *to)\n" + "{\n", + s->gen_name, s->gen_name, s->gen_name); + + copy_type ("from", "to", s->type); + fprintf (codefile, "return 0;\n}\n\n"); +} + |