X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5b077d483bcd47bcd1c3e89a9adc1d6b1a44e046..6842d18650b487249b4ae29d0d7e17231b24cde8:/src/common/dosyacc.c

diff --git a/src/common/dosyacc.c b/src/common/dosyacc.c
index 269cea2073..9515eb878c 100644
--- a/src/common/dosyacc.c
+++ b/src/common/dosyacc.c
@@ -4,7 +4,7 @@ static char yysccsid[] = "@(#)yaccpar     1.7 (Berkeley) 09/09/90";
 #define YYBYACC 1
 #line 2 "parser.y"
 #include "string.h"
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(__VISAGECPP__)
 #include <io.h>
 #endif
 #include "wx/expr.h"
@@ -25,7 +25,6 @@ int yyback(int *, int);
 
 /* You may need to put /DLEX_SCANNER in your makefile
  * if you're using LEX!
-	Last change:  JS   13 Jul 97    6:12 pm
  */
 #ifdef LEX_SCANNER
 /* int yyoutput(int); */
@@ -263,7 +262,8 @@ yyparse()
     register char *yys;
     extern char *getenv();
 
-    if (yys = getenv("YYDEBUG"))
+    yys = getenv("YYDEBUG");
+    if (yys)
     {
         yyn = *yys;
         if (yyn >= '0' && yyn <= '9')
@@ -280,7 +280,8 @@ yyparse()
     *yyssp = yystate = 0;
 
 yyloop:
-    if (yyn = yydefred[yystate]) goto yyreduce;
+    yyn = yydefred[yystate];
+    if (yyn != 0) goto yyreduce;
     if (yychar < 0)
     {
         if ((yychar = yylex()) < 0) yychar = 0;