X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftrace%2Fvisbuf.c;h=fec06439c35a06700b7af87da6719bff2fed80f2;hp=425810d644c4156efa7ade415aa2d46efe4f3177;hb=808858ace09b9bf60f7154e33cb6572f49347101;hpb=8b06e371ed1bce3dd6f37138e6becb5e1a562fe0

diff --git a/ncurses/trace/visbuf.c b/ncurses/trace/visbuf.c
index 425810d6..fec06439 100644
--- a/ncurses/trace/visbuf.c
+++ b/ncurses/trace/visbuf.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2001-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 2001-2012,2014 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            *
@@ -42,12 +42,12 @@
 #include <tic.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: visbuf.c,v 1.40 2012/02/22 22:40:24 tom Exp $")
+MODULE_ID("$Id: visbuf.c,v 1.44 2014/09/25 08:51:13 tom Exp $")
 
 #define NUM_VISBUFS 4
 
 #define NormalLen(len) (size_t) (((size_t)(len) + 1) * 4)
-#define WideLen(len)   (size_t) (((size_t)(len) + 1) * 4 * MB_CUR_MAX)
+#define WideLen(len)   (size_t) (((size_t)(len) + 1) * 4 * (size_t) MB_CUR_MAX)
 
 #ifdef TRACE
 static const char d_quote[] = StringOf(D_QUOTE);
@@ -69,7 +69,7 @@ _nc_vischar(char *tp, unsigned c LIMIT_ARG)
     if (c == '"' || c == '\\') {
 	*tp++ = '\\';
 	*tp++ = (char) c;
-    } else if (is7bits(c) && (isgraph(c) || c == ' ')) {
+    } else if (is7bits((int) c) && (isgraph((int) c) || c == ' ')) {
 	*tp++ = (char) c;
     } else if (c == '\n') {
 	*tp++ = '\\';
@@ -262,10 +262,12 @@ _nc_viswibuf(const wint_t *buf)
 	else
 	    mybuf = typeMalloc(wchar_t, mylen);
     }
-    for (n = 0; buf[n] != 0; ++n) {
-	mybuf[n] = (wchar_t) buf[n];
+    if (mybuf != 0) {
+	for (n = 0; buf[n] != 0; ++n) {
+	    mybuf[n] = (wchar_t) buf[n];
+	}
+	mybuf[n] = L'\0';
     }
-    mybuf[n] = L'\0';
 
     return _nc_viswbuf2(0, mybuf);
 }
@@ -338,7 +340,7 @@ _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
 		{
 		    char temp[80];
 		    VisChar(temp, UChar(buf[j]), sizeof(temp));
-		    result = _nc_trace_bufcat(bufnum, temp);
+		    (void) _nc_trace_bufcat(bufnum, temp);
 		}
 #endif /* USE_WIDEC_SUPPORT */
 	    }