ted_get_buffer_with_file, sort usages

1 files changed, 18 insertions, 9 deletions

diff --git a/ted.c b/ted.c
index 987a753..611dae2 100644
--- a/ted.c
+++ b/ted.c
@@ -361,23 +361,32 @@ static Status ted_open_buffer(Ted *ted, u16 *buffer_idx, u16 *tab) {
 	}
 }
 
-
-// Returns true on success
-static bool ted_open_file(Ted *ted, char const *filename) {
-	char path[TED_PATH_MAX];
-	ted_path_full(ted, filename, path, sizeof path);
-
-	// first, check if file is already open
+// Returns the buffer containing the file at `path`, or NULL if there is none.
+static TextBuffer *ted_get_buffer_with_file(Ted *ted, const char *path) {
 	bool *buffers_used = ted->buffers_used;
 	TextBuffer *buffers = ted->buffers;
 	for (u16 i = 0; i < TED_MAX_BUFFERS; ++i) {
 		if (buffers_used[i]) {
 			if (buffers[i].filename && paths_eq(path, buffers[i].filename)) {
-				ted_switch_to_buffer(ted, &buffers[i]);
-				return true;
+				return &buffers[i];
 			}
 		}
 	}
+	return NULL;
+}
+
+
+// Returns true on success
+static bool ted_open_file(Ted *ted, char const *filename) {
+	char path[TED_PATH_MAX];
+	ted_path_full(ted, filename, path, sizeof path);
+
+	// first, check if file is already open
+	TextBuffer *already_open = ted_get_buffer_with_file(ted, path);
+	if (already_open) {
+		ted_switch_to_buffer(ted, already_open);
+		return true;
+	}
 	
 	// not open; we need to load it
 	u16 buffer_idx, tab_idx;