From 42e4fdfc597be278685f08bdba6da781c4ebaac0 Mon Sep 17 00:00:00 2001
From: Boris Faure <billiob@gmail.com>
Date: Sat, 1 Mar 2014 15:29:32 +0100
Subject: [PATCH] improve debug for unhandled csi

---
 src/bin/termptyesc.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/bin/termptyesc.c b/src/bin/termptyesc.c
index a472143d..1ea13981 100644
--- a/src/bin/termptyesc.c
+++ b/src/bin/termptyesc.c
@@ -337,8 +337,9 @@ static int
 _handle_esc_csi(Termpty *ty, const Eina_Unicode *c, Eina_Unicode *ce)
 {
    Eina_Unicode *cc;
-   int arg, i;
+   int arg, i, j;
    Eina_Unicode buf[4096], *b;
+   char *pos;
 
    cc = (Eina_Unicode *)c;
    b = buf;
@@ -893,7 +894,7 @@ _handle_esc_csi(Termpty *ty, const Eina_Unicode *c, Eina_Unicode *ce)
                          }
                     }
                }
-             if (!handled) ERR("unhandled '%c'", *cc);
+             if (!handled) goto unhandled;
           }
         break;
       case 'r':
@@ -991,11 +992,25 @@ _handle_esc_csi(Termpty *ty, const Eina_Unicode *c, Eina_Unicode *ce)
        }
        break;
       default:
-        ERR("unhandled CSI '%c' (0x%02x)", *cc, *cc);
-        break;
+       goto unhandled;
      }
    cc++;
    return cc - c;
+unhandled:
+   pos = (char *)buf;
+
+   for (j = 0; c + j <= cc && j < 100; j++)
+     {
+        if ((pos - (char*)buf) > 4096 - 15) break;
+        if ((c[j] < ' ') || (c[j] >= 0x7f))
+          pos += sprintf(pos, "\033[35m%08x\033[0m", c[j]);
+        else
+          pos += sprintf(pos, "%c", c[j]);
+     }
+   *pos = '\0';
+   ERR("unhandled CSI '%c': %s", *cc, (char*)buf);
+   cc++;
+   return cc - c;
 }
 
 static int