Files
heimdal/lib/asn1/gen_free.c
Assar Westerlund c1439d2cd8 changed asn1_locl.h to gen_locl.h and der_locl.h
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2328 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-07-15 20:02:05 +00:00

98 lines
1.9 KiB
C

#include "gen_locl.h"
RCSID("$Id$");
static void
free_primitive (char *typename, char *name)
{
fprintf (codefile, "free_%s(%s);\n", typename, name);
}
static void
free_type (char *name, Type *t)
{
switch (t->type) {
case TType:
#if 0
free_type (name, t->symbol->type);
#endif
fprintf (codefile, "free_%s(%s);\n", t->symbol->gen_name, name);
break;
case TInteger:
break;
case TOctetString:
free_primitive ("octet_string", name);
break;
case TBitString: {
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 *s;
asprintf (&s, "%s(%s)->%s",
m->optional ? "" : "&", name, m->gen_name);
if(m->optional)
fprintf(codefile, "if(%s) {\n", s);
free_type (s, m->type);
if(m->optional)
fprintf(codefile,
"free(%s);\n"
"}\n",s);
if (tag == -1)
tag = m->val;
free (s);
}
break;
}
case TSequenceOf: {
char *n;
fprintf (codefile, "while((%s)->len){\n", name);
asprintf (&n, "&(%s)->val[(%s)->len-1]", name, name);
free_type(n, t->subtype);
fprintf(codefile,
"(%s)->len--;\n"
"}\n",
name);
fprintf(codefile,
"free((%s)->val);\n", name);
free(n);
break;
}
case TGeneralizedTime:
break;
case TGeneralString:
free_primitive ("general_string", name);
break;
case TApplication:
free_type (name, t->subtype);
break;
default :
abort ();
}
}
void
generate_type_free (Symbol *s)
{
fprintf (headerfile,
"void free_%s(%s *);\n",
s->gen_name, s->gen_name);
fprintf (codefile, "void\n"
"free_%s(%s *data)\n"
"{\n",
s->gen_name, s->gen_name);
free_type ("data", s->type);
fprintf (codefile, "}\n\n");
}