Implemented two new symbol handling functions:

  o  cf_define_symbol() -- it assigns a meaning to a symbol, bailing
     out if it already has one.
  o  cf_find_symbol() -- finds symbol by name and creates it if not found.

Also modified filter/config.Y to make use of the first function.

1 files changed, 15 insertions, 0 deletions

diff --git a/conf/cf-lex.l b/conf/cf-lex.l
index ca7bfae1..94c2b2ab 100644
--- a/conf/cf-lex.l
+++ b/conf/cf-lex.l
@@ -183,6 +183,12 @@ cf_find_sym(byte *c, unsigned int h0)
 }
 
 struct symbol *
+cf_find_symbol(byte *c)
+{
+  return cf_find_sym(c, cf_hash(c));
+}
+
+struct symbol *
 cf_default_name(char *prefix, int *counter)
 {
   char buf[32];
@@ -199,6 +205,15 @@ cf_default_name(char *prefix, int *counter)
 }
 
 void
+cf_define_symbol(struct symbol *sym, int type, void *def)
+{
+  if (sym->class)
+    cf_error("Symbol already defined");
+  sym->class = type;
+  sym->def = def;
+}
+
+void
 cf_lex_init(int flag)
 {
   if (allow_new_symbols = flag)