Introduce text_filename_set

This can be used to associate a given filename to a currently unnamed
text.

2 files changed, 8 insertions, 2 deletions

diff --git a/text.c b/text.c
index ea02cd4..d81ab76 100644
--- a/text.c
+++ b/text.c
@@ -617,7 +617,7 @@ int text_save(Text *txt, const char *filename) {
 	txt->saved_action = txt->undo;
 	text_snapshot(txt);
 	if (!txt->filename)
-		txt->filename = strdup(filename);
+		text_filename_set(txt, filename);
 	return 0;
 err:
 	close(fd);
@@ -637,7 +637,7 @@ Text *text_load(const char *filename) {
 	piece_init(&txt->end, &txt->begin, NULL, NULL, 0);
 	lineno_cache_invalidate(&txt->lines);
 	if (filename) {
-		txt->filename = strdup(filename);
+		text_filename_set(txt, filename);
 		txt->fd = open(filename, O_RDONLY);
 		if (txt->fd == -1)
 			goto out;
@@ -1053,6 +1053,10 @@ const char *text_filename_get(Text *txt) {
 	return txt->filename;
 }
 
+void text_filename_set(Text *txt, const char *filename) {
+	txt->filename = strdup(filename);
+}
+
 Regex *text_regex_new(void) {
 	Regex *r = calloc(1, sizeof(Regex));
 	if (!r)
diff --git a/text.h b/text.h
index b3fd997..0dadbb6 100644
--- a/text.h
+++ b/text.h
@@ -29,6 +29,8 @@ typedef struct {
 Text *text_load(const char *file);
 /* the filename from which this text was loaded or first saved to */
 const char *text_filename_get(Text*);
+/* associate a filename with the yet unnamed buffer */
+void text_filename_set(Text*, const char *filename);
 bool text_insert(Text*, size_t pos, const char *data);
 bool text_insert_raw(Text*, size_t pos, const char *data, size_t len);
 bool text_delete(Text*, size_t pos, size_t len);