1 files changed, 5 insertions, 4 deletions

diff --git a/mod_log_sql.c b/mod_log_sql.c
index 5b86147..d92df49 100644
--- a/mod_log_sql.c
+++ b/mod_log_sql.c
@@ -666,6 +666,7 @@ static int in_array(apr_array_header_t *ary, const char *elem)
 
 
 /* Parse through cookie lists and merge based on +/- prefixes */
+/* TODO: rewrite as a function */
 #define DO_MERGE_ARRAY(parent,child,pool) \
 if (apr_is_empty_array(child)) { \
         apr_array_cat(child, parent); \
@@ -930,7 +931,7 @@ static int log_sql_transaction(request_rec *orig)
                                 i++;
                         }
                 }
-                if ( itemsets != "" ) {
+                if ( *itemsets != '\0' ) {
                         note_query = apr_psprintf(r->pool, "insert %s into %s (id, item, val) values %s",
                                 /*global_config.insertdelayed?"delayed":*/"", notes_tablename, itemsets);
 
@@ -958,7 +959,7 @@ static int log_sql_transaction(request_rec *orig)
                                 i++;
                         }
                 }
-                if ( itemsets != "" ) {
+                if ( *itemsets != '\0' ) {
                         hout_query = apr_psprintf(r->pool, "insert %s into %s (id, item, val) values %s",
                                 /*global_config.insertdelayed?"delayed":*/"", hout_tablename, itemsets);
 
@@ -987,7 +988,7 @@ static int log_sql_transaction(request_rec *orig)
                                 i++;
                         }
                 }
-                if ( itemsets != "" ) {
+                if ( *itemsets != '\0' ) {
                         hin_query = apr_psprintf(r->pool, "insert %s into %s (id, item, val) values %s",
                                 /*global_config.insertdelayed?"delayed":*/"", hin_tablename, itemsets);
 
@@ -1017,7 +1018,7 @@ static int log_sql_transaction(request_rec *orig)
                         }
 
                 }
-                if ( itemsets != "" ) {
+                if ( *itemsets != '\0' ) {
                         cookie_query = apr_psprintf(r->pool, "insert %s into %s (id, item, val) values %s",
                                 /*global_config.insertdelayed?"delayed":*/"", cookie_tablename, itemsets);