r8302: import mini HEIMDAL into the tree

(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)

1 files changed, 143 insertions, 0 deletions

diff --git a/source4/heimdal/lib/asn1/gen_free.c b/source4/heimdal/lib/asn1/gen_free.c
new file mode 100644
index 0000000000..9665d074fd
--- /dev/null
+++ b/source4/heimdal/lib/asn1/gen_free.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 1997 - 2003 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_free.c,v 1.12 2003/10/03 00:28:08 lha Exp $");
+
+static void
+free_primitive (const char *typename, const char *name)
+{
+    fprintf (codefile, "free_%s(%s);\n", typename, name);
+}
+
+static void
+free_type (const char *name, const 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:
+  case TUInteger:
+  case TBoolean:
+  case TEnumerated :
+      break;
+  case TOctetString:
+      free_primitive ("octet_string", name);
+      break;
+  case TOID :
+      free_primitive ("oid", 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"
+		      "%s = NULL;\n"
+		      "}\n", s, 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"
+	      "(%s)->val = NULL;\n", name, name);
+      free(n);
+      break;
+  }
+  case TGeneralizedTime:
+      break;
+  case TGeneralString:
+      free_primitive ("general_string", name);
+      break;
+  case TUTF8String:
+      free_primitive ("utf8string", name);
+      break;
+  case TNull:
+      break;
+  case TApplication:
+      free_type (name, t->subtype);
+      break;
+  default :
+      abort ();
+  }
+}
+
+void
+generate_type_free (const 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");
+}
+