From 787a5a559bfe44f61fb52e90873cfb6096eb9f65 Mon Sep 17 00:00:00 2001
From: wkj <devnull@localhost>
Date: Sun, 16 May 2004 08:08:13 +0000
Subject: Make yacc and lex more pedant friendly.

---
 lib/lex/ncform | 7 +++++++
 lib/yaccpars   | 1 +
 2 files changed, 8 insertions(+)

(limited to 'lib')

diff --git a/lib/lex/ncform b/lib/lex/ncform
index a87030b3..6571735b 100644
--- a/lib/lex/ncform
+++ b/lib/lex/ncform
@@ -11,6 +11,7 @@ int yyprevious = YYNEWLINE;
 # ifdef LEXDEBUG
 extern void allprint(char);
 # endif
+int
 yylook(void){
 	struct yysvf *yystate, **lsp;
 	struct yywork *yyt;
@@ -158,6 +159,7 @@ yylook(void){
 		}
 	return(0);	/* shut up the compiler; i have no idea what should be returned */
 	}
+int
 yyback(int *p, int m)
 {
 if (p==0) return(0);
@@ -169,12 +171,17 @@ while (*p)
 return(0);
 }
 	/* the following are only used in the lex library */
+int
 yyinput(void){
+	if(yyin == ((void*)0))
+		yyin = stdin;
 	return(input());
 }
 void
 yyoutput(int c)
 {
+	if(yyout == ((void*)0))
+		yyout = stdin;
 	output(c);
 }
 void
diff --git a/lib/yaccpars b/lib/yaccpars
index 6e96a206..be83835e 100644
--- a/lib/yaccpars
+++ b/lib/yaccpars
@@ -184,6 +184,7 @@ yydefault:
 				printf("%s", yystatname(yystate));
 				printf("saw %s\n", yytokname(yychar));
 			}
+		goto yyerrlab;
 yyerrlab:
 			yynerrs++;
 
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