[Rework] Add C++ guards to all headers

1 files changed, 21 insertions, 9 deletions

diff --git a/src/libutil/expression.h b/src/libutil/expression.h
index bd336b87b..bd18fa75f 100644
--- a/src/libutil/expression.h
+++ b/src/libutil/expression.h
@@ -20,6 +20,10 @@
 #include "mem_pool.h"
 #include "fstring.h"
 
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
 #define RSPAMD_EXPRESSION_MAX_PRIORITY 1024
 
 #define RSPAMD_EXPRESSION_FLAG_NOOPT (1 << 0)
@@ -56,17 +60,20 @@ typedef struct rspamd_expression_atom_s {
 	gint priority;
 } rspamd_expression_atom_t;
 
-typedef gdouble (*rspamd_expression_process_cb)(gpointer runtime_data,
-												rspamd_expression_atom_t *atom);
+typedef gdouble (*rspamd_expression_process_cb) (gpointer runtime_data,
+												 rspamd_expression_atom_t *atom);
 
 struct rspamd_atom_subr {
 	/* Parses atom from string and returns atom structure */
-	rspamd_expression_atom_t * (*parse)(const gchar *line, gsize len,
-			rspamd_mempool_t *pool, gpointer ud, GError **err);
+	rspamd_expression_atom_t *(*parse) (const gchar *line, gsize len,
+										rspamd_mempool_t *pool, gpointer ud, GError **err);
+
 	/* Process atom via the opaque pointer (e.g. struct rspamd_task *) */
 	rspamd_expression_process_cb process;
+
 	/* Calculates the relative priority of the expression */
 	gint (*priority) (rspamd_expression_atom_t *atom);
+
 	void (*destroy) (rspamd_expression_atom_t *atom);
 };
 
@@ -85,9 +92,9 @@ struct rspamd_expression;
  * @return TRUE if an expression have been parsed
  */
 gboolean rspamd_parse_expression (const gchar *line, gsize len,
-		const struct rspamd_atom_subr *subr, gpointer subr_data,
-		rspamd_mempool_t *pool, GError **err,
-		struct rspamd_expression **target);
+								  const struct rspamd_atom_subr *subr, gpointer subr_data,
+								  rspamd_mempool_t *pool, GError **err,
+								  struct rspamd_expression **target);
 
 /**
  * Process the expression and return its value using atom 'process' functions with the specified data pointer
@@ -124,6 +131,7 @@ gdouble rspamd_process_expression_closure (struct rspamd_expression *expr,
 										   gint flags,
 										   gpointer runtime_ud,
 										   GPtrArray **track);
+
 /**
  * Shows string representation of an expression
  * @param expr expression to show
@@ -136,7 +144,7 @@ GString *rspamd_expression_tostring (struct rspamd_expression *expr);
  * and should not be modified within callback
  */
 typedef void (*rspamd_expression_atom_foreach_cb) (const rspamd_ftok_t *atom,
-		gpointer ud);
+												   gpointer ud);
 
 /**
  * Traverse over all atoms in the expression
@@ -145,7 +153,7 @@ typedef void (*rspamd_expression_atom_foreach_cb) (const rspamd_ftok_t *atom,
  * @param ud opaque data passed to `cb`
  */
 void rspamd_expression_atom_foreach (struct rspamd_expression *expr,
-		rspamd_expression_atom_foreach_cb cb, gpointer cbdata);
+									 rspamd_expression_atom_foreach_cb cb, gpointer cbdata);
 
 /**
  * Checks if a specified node in AST is the specified operation
@@ -155,4 +163,8 @@ void rspamd_expression_atom_foreach (struct rspamd_expression *expr,
  */
 gboolean rspamd_expression_node_is_op (GNode *node, enum rspamd_expression_op op);
 
+#ifdef  __cplusplus
+}
+#endif
+
 #endif /* SRC_LIBUTIL_EXPRESSION_H_ */