libhb: fix snprintf compiler warnings

Our handling of temporary directory paths could truncate resulting
filenames.  This fixes the warnings and prevents possible truncation.

2 files changed, 5 insertions, 8 deletions

diff --git a/gtk/src/hb-backend.c b/gtk/src/hb-backend.c
index 8a9ed99b0..3143eb8c4 100644
--- a/gtk/src/hb-backend.c
+++ b/gtk/src/hb-backend.c
@@ -1093,24 +1093,20 @@ hb_handle_t* ghb_live_handle(void)
     return h_live;
 }
 
-extern void hb_get_temporary_directory(char path[512]);
-
 gchar*
 ghb_get_tmp_dir()
 {
-    char dir[512];
-
-    hb_get_temporary_directory(dir);
-    return g_strdup(dir);
+    return hb_get_temporary_directory();
 }
 
 void
 ghb_hb_cleanup(gboolean partial)
 {
-    char dir[512];
+    char * dir;
 
-    hb_get_temporary_directory(dir);
+    dir = hb_get_temporary_directory();
     del_tree(dir, !partial);
+    free(dir);
 }
 
 gint
diff --git a/gtk/src/preview.c b/gtk/src/preview.c
index 3a28aa4bd..4537f9644 100644
--- a/gtk/src/preview.c
+++ b/gtk/src/preview.c
@@ -650,6 +650,7 @@ live_preview_start_cb(GtkWidget *xwidget, signal_user_data_t *ud)
 
     tmp_dir = ghb_get_tmp_dir();
     name = g_strdup_printf("%s/live%02d", tmp_dir, ud->preview->frame);
+    free(tmp_dir);
     if (ud->preview->current)
         g_free(ud->preview->current);
     ud->preview->current = name;