small changes, fix lang in flatpak

src/database.c

@@ -1,37 +1,35 @@
 #include "database.h"
 
 #include <stdio.h>
-#include <sqlite3.h>
 
-sqlite3 *db;
-
-void database_connect(const char *path)
+sqlite3 *database_connect(const char *path)
 {
-    // char *zErrMsg = 0;
-
     int rc;
 
     gchar *file = g_build_filename(path, "cards.db", NULL);
+    sqlite3 *db;
     rc = sqlite3_open(file, &db);
 
     if (rc)
     {
         fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
-        return;
+        return NULL;
     }
     else
     {
         fprintf(stderr, "Opened database successfully\n");
     }
     g_free(file);
+
+    return db;
 }
 
-void database_close()
+void database_close(sqlite3 *db)
 {
     sqlite3_close(db);
 }
 
-void database_create_tables()
+void database_create_tables(sqlite3 *db)
 {
     int rc;
     sqlite3_stmt *stmt;
@@ -69,7 +67,7 @@ void database_create_tables()
     sqlite3_finalize(stmt);
 }
 
-void database_save_category(const char *c)
+void database_save_category(sqlite3 *db, const char *c)
 {
     int rc;
     sqlite3_stmt *stmt;
@@ -94,7 +92,7 @@ void database_save_category(const char *c)
     sqlite3_finalize(stmt);
 }
 
-GArray *database_load_categories()
+GArray *database_load_categories(sqlite3 *db)
 {
     GArray *categories = g_array_new(TRUE, FALSE, sizeof(category));
 
@@ -123,7 +121,7 @@ GArray *database_load_categories()
     return categories;
 }
 
-void database_save_card(card c)
+void database_save_card(sqlite3 *db, card c)
 {
     int rc;
     sqlite3_stmt *stmt;
@@ -146,7 +144,7 @@ void database_save_card(card c)
     sqlite3_finalize(stmt);
 }
 
-GArray *database_load_cards()
+GArray *database_load_cards(sqlite3 *db)
 {
     GArray *cards = g_array_new(TRUE, FALSE, sizeof(card));