X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftrace%2Flib_tracechr.c;h=36158d6f45a6725d455ed9db17d293ef155f9f9a;hp=a1f9f5aa27069bdb8b22e5e3d3b8a9e3922e9b56;hb=e5d1530ca229aef94a3c84ad33f8ae89f35c4045;hpb=7a6bbc8cf41c5186d46accc3d08622dc86526b34

diff --git a/ncurses/trace/lib_tracechr.c b/ncurses/trace/lib_tracechr.c
index a1f9f5aa..36158d6f 100644
--- a/ncurses/trace/lib_tracechr.c
+++ b/ncurses/trace/lib_tracechr.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2009,2012 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,10 +40,12 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_tracechr.c,v 1.20 2009/04/18 22:48:29 tom Exp $")
+MODULE_ID("$Id: lib_tracechr.c,v 1.23 2020/02/02 23:34:34 tom Exp $")
 
 #ifdef TRACE
 
+#define MyBufSize sizeof(_nc_globals.tracechr_buf)
+
 NCURSES_EXPORT(char *)
 _nc_tracechar(SCREEN *sp, int ch)
 {
@@ -55,19 +58,22 @@ _nc_tracechar(SCREEN *sp, int ch)
 	name = safe_keyname(SP_PARM, ch);
 	if (name == 0 || *name == '\0')
 	    name = "NULL";
-	(void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
+	_nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+		    "'%.30s' = %#03o", name, ch);
     } else if (!is8bits(ch) || !isprint(UChar(ch))) {
 	/*
 	 * workaround for glibc bug:
 	 * sprintf changes the result from unctrl() to an empty string if it
 	 * does not correspond to a valid multibyte sequence.
 	 */
-	(void) sprintf(MyBuffer, "%#03o", ch);
+	_nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+		    "%#03o", ch);
     } else {
 	name = safe_unctrl(SP_PARM, (chtype) ch);
 	if (name == 0 || *name == 0)
 	    name = "null";	/* shouldn't happen */
-	(void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
+	_nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+		    "'%.30s' = %#03o", name, ch);
     }
     return (MyBuffer);
 }