If text has been created from an empty file, store filename upon first save

2 files changed, 3 insertions, 0 deletions

diff --git a/text.c b/text.c
index 9879f98..39d47cc 100644
--- a/text.c
+++ b/text.c
@@ -610,6 +610,8 @@ int text_save(Text *txt, const char *filename) {
 		return -1;
 	txt->saved_action = txt->undo;
 	text_snapshot(txt);
+	if (!txt->filename)
+		txt->filename = strdup(filename);
 	return 0;
 err:
 	close(fd);
diff --git a/text.h b/text.h
index e133af0..bedd16b 100644
--- a/text.h
+++ b/text.h
@@ -27,6 +27,7 @@ typedef struct {
 	     text_iterator_next(&it))
 
 Text *text_load(const char *file);
+/* the filename from which this text was loaded or first saved to */
 const char *text_filename(Text*);
 bool text_insert(Text*, size_t pos, const char *data);
 bool text_insert_raw(Text*, size_t pos, const char *data, size_t len);