[Minor] Fix some warnings

src/libserver/cfg_file.h

@@ -557,7 +557,7 @@ const ucl_object_t *rspamd_config_get_module_opt (struct rspamd_config *cfg,
  * @param str string representation of flag (eg. 'on')
  * @return numeric value of flag (0 or 1)
  */
-gchar rspamd_config_parse_flag (const gchar *str, guint len);
+gint rspamd_config_parse_flag (const gchar *str, guint len);
 
 enum rspamd_post_load_options {
 	RSPAMD_CONFIG_INIT_URL = 1 << 0,

src/libserver/cfg_utils.c

@@ -385,10 +385,10 @@ rspamd_config_get_module_opt (struct rspamd_config *cfg,
 	return res;
 }
 
-gchar
+gint
 rspamd_config_parse_flag (const gchar *str, guint len)
 {
-	gchar c;
+	gint c;
 
 	if (!str || !*str) {
 		return -1;
@@ -1795,9 +1795,7 @@ rspamd_config_is_enabled_from_ucl (rspamd_mempool_t *pool,
 				return ucl_object_toboolean(enabled);
 			}
 			else if (ucl_object_type(enabled) == UCL_STRING) {
-				gchar ret;
-
-				ret = rspamd_config_parse_flag(ucl_object_tostring(enabled), 0);
+				gint ret = rspamd_config_parse_flag(ucl_object_tostring(enabled), 0);
 
 				if (ret == 0) {
 					return FALSE;
@@ -1822,9 +1820,7 @@ rspamd_config_is_enabled_from_ucl (rspamd_mempool_t *pool,
 				return !ucl_object_toboolean(disabled);
 			}
 			else if (ucl_object_type(disabled) == UCL_STRING) {
-				gchar ret;
-
-				ret = rspamd_config_parse_flag(ucl_object_tostring(disabled), 0);
+				gint ret = rspamd_config_parse_flag(ucl_object_tostring(disabled), 0);
 
 				if (ret == 0) {
 					return TRUE;

src/libserver/hyperscan_tools.cxx

@@ -331,8 +331,8 @@ auto load_cached_hs_file(const char *fname, std::int64_t offset = 0) -> tl::expe
 						if (page_size == -1) {
 							page_size = 4096;
 						}
-						posix_memalign(&buf, page_size, unserialized_size);
-						if (buf == nullptr) {
+						auto errcode = posix_memalign(&buf, page_size, unserialized_size);
+						if (errcode != 0 || buf == nullptr) {
 							return tl::make_unexpected(error {"Cannot allocate memory", errno, error_category::CRITICAL });
 						}