Fix crash when trying to use specifier without int.

[cycript.git] / Display.cpp

diff --git a/Display.cpp b/Display.cpp
index cafdc57443e1b53cfa12238cf2f8f295f521279b..bd646bbd2f856294f3c1b4e7d626440750e5471c 100644 (file)
--- a/Display.cpp
+++ b/Display.cpp
@@ -38,6 +38,7 @@
 
 typedef std::complex<int> CYCursor;
 
+extern "C" int rl_display_fixed;
 extern "C" int _rl_vis_botlin;
 extern "C" int _rl_last_c_pos;
 extern "C" int _rl_last_v_pos;
@@ -115,12 +116,11 @@ void CYDisplayMove(CYCursor target) {
     current_ = target;
 }
 
-void CYDisplayStart(int meta) {
-    rl_prep_terminal(meta);
-    current_ = CYCursor();
-}
-
 void CYDisplayUpdate() {
+    rl_display_fixed = 1;
+    rl_redisplay();
+    current_ = CYCursor(_rl_last_v_pos, _rl_last_c_pos);
+
 #if RL_READLINE_VERSION >= 0x0600
     const char *prompt(rl_display_prompt);
 #else
@@ -144,12 +144,6 @@ void CYDisplayUpdate() {
     CYCursor target(CYDisplayOutput(putchar, width, stream.str().c_str(), rl_point));
 
     _rl_vis_botlin = current_.real();
-    _rl_last_c_pos = current_.imag();
-    _rl_last_v_pos = target.real();
-
-    // XXX: readline crashes trying to avoid an empty line if this is left at 0 :(
-    if (_rl_last_c_pos == 0)
-        _rl_last_c_pos = 1;
 
     if (current_.imag() == 0)
         CYDisplayOutput(putchar, width, " ");
@@ -158,12 +152,11 @@ void CYDisplayUpdate() {
     CYDisplayMove(target);
     fflush(stdout);
 
+    _rl_last_v_pos = current_.real();
+    _rl_last_c_pos = current_.imag();
+
     width_ = width;
     point_ = rl_point;
 }
 
-void CYDisplayFinish() {
-    rl_deprep_terminal();
-}
-
 #endif