textscreen: Use safe string functions.

Define TXT_{StringCopy,StringConcat,snprintf,vsnprintf} as analogs of
the m_misc.c versions so that the textscreen library does not need a
dependency on the Doom code, and change all textscreen code to use
these instead of unsafe functions. This fixes #372.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/setup/txt_keyinput.c b/src/setup/txt_keyinput.c
index f5f7b562..a35f22e1 100644
--- a/src/setup/txt_keyinput.c
+++ b/src/setup/txt_keyinput.c
@@ -115,7 +115,7 @@ static void TXT_KeyInputDrawer(TXT_UNCAST_ARG(key_input))
     }
     else
     {
-        TXT_GetKeyDescription(*key_input->variable, buf);
+        TXT_GetKeyDescription(*key_input->variable, buf, sizeof(buf));
     }
 
     TXT_SetWidgetBG(key_input);