2 * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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11 * notice, this list of conditions and the following disclaimer.
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14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
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36 RCSID("$Id: gen_length.c 21503 2007-07-12 11:57:19Z lha $");
39 length_primitive (const char *typename,
43 fprintf (codefile, "%s += der_length_%s(%s);\n", variable, typename, name);
47 length_tag(unsigned int tag)
62 length_type (const char *name, const Type *t,
63 const char *variable, const char *tmpstr)
68 length_type (name, t->symbol->type);
70 fprintf (codefile, "%s += length_%s(%s);\n",
71 variable, t->symbol->gen_name, name);
77 "int enumint = *%s;\n", name);
78 length_primitive ("integer", "&enumint", variable);
79 fprintf(codefile, "}\n");
80 } else if (t->range == NULL) {
81 length_primitive ("heim_integer", name, variable);
82 } else if (t->range->min == INT_MIN && t->range->max == INT_MAX) {
83 length_primitive ("integer", name, variable);
84 } else if (t->range->min == 0 && t->range->max == UINT_MAX) {
85 length_primitive ("unsigned", name, variable);
86 } else if (t->range->min == 0 && t->range->max == INT_MAX) {
87 length_primitive ("unsigned", name, variable);
89 errx(1, "%s: unsupported range %d -> %d",
90 name, t->range->min, t->range->max);
94 fprintf (codefile, "%s += 1;\n", variable);
97 length_primitive ("enumerated", name, variable);
100 length_primitive ("octet_string", name, variable);
103 if (ASN1_TAILQ_EMPTY(t->members))
104 length_primitive("bit_string", name, variable);
106 if (!rfc1510_bitstring) {
108 int pos = ASN1_TAILQ_LAST(t->members, memhead)->val;
112 ASN1_TAILQ_FOREACH_REVERSE(m, t->members, memhead, members) {
113 while (m->val / 8 < pos / 8) {
117 "if((%s)->%s) { %s += %d; break; }\n",
118 name, m->gen_name, variable, (pos + 8) / 8);
122 fprintf (codefile, "%s += 1;\n", variable);
124 fprintf (codefile, "%s += 5;\n", variable);
132 Member *m, *have_ellipsis = NULL;
134 if (t->members == NULL)
137 if(t->type == TChoice)
138 fprintf (codefile, "switch((%s)->element) {\n", name);
140 ASN1_TAILQ_FOREACH(m, t->members, members) {
148 if(t->type == TChoice)
149 fprintf(codefile, "case %s:\n", m->label);
151 asprintf (&s, "%s(%s)->%s%s",
152 m->optional ? "" : "&", name,
153 t->type == TChoice ? "u." : "", m->gen_name);
157 fprintf (codefile, "if(%s)", s);
159 gen_compare_defval(s + 1, m->defval);
160 fprintf (codefile, "{\n"
161 "size_t %s_oldret = %s;\n"
162 "%s = 0;\n", tmpstr, variable, variable);
163 length_type (s, m->type, "ret", m->gen_name);
164 fprintf (codefile, "ret += %s_oldret;\n", tmpstr);
165 fprintf (codefile, "}\n");
167 if(t->type == TChoice)
168 fprintf(codefile, "break;\n");
170 if(t->type == TChoice) {
174 "ret += (%s)->u.%s.length;\n"
176 have_ellipsis->label,
178 have_ellipsis->gen_name);
179 fprintf (codefile, "}\n"); /* switch */
190 "int %s_oldret = %s;\n"
193 tmpstr, variable, variable);
195 fprintf (codefile, "for(i = (%s)->len - 1; i >= 0; --i){\n", name);
196 fprintf (codefile, "int %s_for_oldret = %s;\n"
197 "%s = 0;\n", tmpstr, variable, variable);
198 asprintf (&n, "&(%s)->val[i]", name);
201 asprintf (&sname, "%s_S_Of", tmpstr);
204 length_type(n, t->subtype, variable, sname);
205 fprintf (codefile, "%s += %s_for_oldret;\n",
207 fprintf (codefile, "}\n");
211 "}\n", variable, tmpstr);
216 case TGeneralizedTime:
217 length_primitive ("generalized_time", name, variable);
220 length_primitive ("general_string", name, variable);
223 length_primitive ("utctime", name, variable);
226 length_primitive ("utf8string", name, variable);
228 case TPrintableString:
229 length_primitive ("printable_string", name, variable);
232 length_primitive ("ia5_string", name, variable);
235 length_primitive ("bmp_string", name, variable);
237 case TUniversalString:
238 length_primitive ("universal_string", name, variable);
241 length_primitive ("visible_string", name, variable);
244 fprintf (codefile, "/* NULL */\n");
248 asprintf(&tname, "%s_tag", tmpstr);
251 length_type (name, t->subtype, variable, tname);
252 fprintf (codefile, "ret += %lu + der_length_len (ret);\n",
253 (unsigned long)length_tag(t->tag.tagvalue));
258 length_primitive ("oid", name, variable);
267 generate_type_length (const Symbol *s)
270 "size_t length_%s(const %s *);\n",
271 s->gen_name, s->gen_name);
275 "length_%s(const %s *data)\n"
278 s->gen_name, s->gen_name);
280 length_type ("data", s->type, "ret", "Top");
281 fprintf (codefile, "return ret;\n}\n\n");