From 82f450569f110cc06445e67b21d8e36420f1b0da Mon Sep 17 00:00:00 2001
From: Thomas Kilian <thomas-kilian@gmx.net>
Date: Wed, 11 Jun 2025 18:42:57 +0200
Subject: [PATCH] Fix TerminalMode::write_str() to write all chars (#228)

---
 CHANGELOG.md         | 3 +++
 src/mode/terminal.rs | 5 +++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fd07049..8da9ada2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ SSD1306 monochrome OLED display.
 <!-- next-header -->
 
 ## [Unreleased] - ReleaseDate
+### Fixed
+- Fix TerminalMode::write_str() to write all chars ([#228](https://github.com/rust-embedded-community/ssd1306/issues/228))
+
 ## [0.10.0] - 2025-03-22
 ### Changed
 - Added `DisplaySize64x32` to the prelude
diff --git a/src/mode/terminal.rs b/src/mode/terminal.rs
index d9b4c9d1..569837de 100644
--- a/src/mode/terminal.rs
+++ b/src/mode/terminal.rs
@@ -624,7 +624,8 @@ where
     SIZE: TerminalDisplaySize,
 {
     fn write_str(&mut self, s: &str) -> Result<(), fmt::Error> {
-        s.chars().map(move |c| self.print_char(c)).next_back();
-        Ok(())
+        s.chars()
+            .try_for_each(|c| self.print_char(c))
+            .map_err(|_| fmt::Error)
     }
 }