constness

1 files changed, 14 insertions, 7 deletions

diff --git a/csv-test.c b/csv-test.c
index 0d9d6e1..d26fea9 100644
--- a/csv-test.c
+++ b/csv-test.c
@@ -9,7 +9,7 @@
 
 #define INLINE static inline
 
-/* === CSV Options Interface === */
+/* === CSV-OPTIONS Interface === */
 
 typedef struct {
         char quote_symbol;
@@ -18,7 +18,9 @@ typedef struct {
         void (*cb_func)(const char *, void *);
 } csv_options_t;
 
-static csv_options_t default_csv_options = {
+extern const csv_options_t csv_default_options;
+
+const csv_options_t csv_default_options = {
         .quote_symbol = '"',
         .sep_symbol = ',',
         .cb_func = NULL
@@ -183,13 +185,13 @@ csv_field_free(csv_field_t *csv_field)
 /* === CSV Interface === */
 
 typedef struct {
-        csv_options_t *csv_options;
+        const csv_options_t *csv_options;
         csv_string_t csv_string;
         csv_field_t csv_field;
 } csv_t;
 
 void csv_init(csv_t *csv);
-void csv_init_opt(csv_t *csv, csv_options_t *csv_options);
+void csv_init_opt(csv_t *csv, const csv_options_t * const csv_options);
 void csv_free(csv_t *csv);
 int csv_nfields(csv_t *csv);
 const char * csv_field(csv_t *csv, int idx);
@@ -201,15 +203,20 @@ csv_init(csv_t *csv)
 {
         assert(csv != NULL);
 
-        csv_init_opt(csv, &default_csv_options);
+        csv_init_opt(csv, NULL);
 }
 
 void
-csv_init_opt(csv_t *csv, csv_options_t *csv_options)
+csv_init_opt(csv_t *csv, const csv_options_t * const csv_options)
 {
         assert(csv != NULL);
 
-        csv->csv_options = ( csv_options != NULL ) ? csv_options : &default_csv_options;
+        if ( csv_options != NULL ) {
+                csv->csv_options = csv_options;
+        }
+        else {
+                csv->csv_options = &csv_default_options;
+        }
 
         csv_string_init(&csv->csv_string);
         csv_field_init(&csv->csv_field);