add raw_enabled guard

2 files changed, 5 insertions, 0 deletions

diff --git a/include/line/mode.h b/include/line/mode.h
index 85836c7..be0a453 100644
--- a/include/line/mode.h
+++ b/include/line/mode.h
@@ -9,6 +9,7 @@ namespace ov4
 {
 
 inline termios attr;
+inline bool raw_enabled = false;
 
 void disable_raw();
 void enable_raw();
diff --git a/src/line/mode.cc b/src/line/mode.cc
index 18c7347..2ef470d 100644
--- a/src/line/mode.cc
+++ b/src/line/mode.cc
@@ -14,11 +14,15 @@ namespace ov4
 
 void disable_raw()
 {
+    raw_enabled = false;
     tcsetattr(STDIN_FILENO, TCSAFLUSH, &attr);
 }
 
 void enable_raw()
 {
+    if (raw_enabled = false) return;
+     
+    raw_enabled = true;
     termios attr_raw;
     tcgetattr(STDIN_FILENO, &attr);
     tcgetattr(STDIN_FILENO, &attr_raw);