From 9abf9e8a37dc843ed7ffab7f803bc23f1bd0bf73 Mon Sep 17 00:00:00 2001
From: Ken Thompson <ken@golang.org>
Date: Sun, 8 Jun 2008 18:26:23 -0700
Subject: [PATCH] nihon

SVN=121620
---
 src/cmd/gc/go.h  |  2 +-
 src/cmd/gc/lex.c | 24 ++++++++++--------------
 2 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/src/cmd/gc/go.h b/src/cmd/gc/go.h
index 1598a8e69e..eaaf172925 100644
--- a/src/cmd/gc/go.h
+++ b/src/cmd/gc/go.h
@@ -387,7 +387,7 @@ void	lexinit(void);
 char*	lexname(int);
 long	getr(void);
 int	getnsc(void);
-int	escchar(int, int*, vlong*);
+int	escchar(int, vlong*);
 int	getc(void);
 void	ungetc(int);
 void	mkpackage(char*);
diff --git a/src/cmd/gc/lex.c b/src/cmd/gc/lex.c
index 3af1d38670..95d1409f27 100644
--- a/src/cmd/gc/lex.c
+++ b/src/cmd/gc/lex.c
@@ -175,7 +175,6 @@ yylex(void)
 	vlong v;
 	char *cp;
 	Rune rune;
-	int escflag;
 	Sym *s;
 
 l0:
@@ -225,19 +224,19 @@ l0:
 
 	caseq:
 		for(;;) {
-			if(escchar('"', &escflag, &v))
+			if(escchar('"', &v))
 				break;
-			if(escflag) {
-				cp = remal(cp, c1, 1);
-				cp[c1++] = v;
-			} else {
+			if(v >= Runeself) {
 				// botch - this limits size of runes
 				rune = v;
 				c = runelen(rune);
 				cp = remal(cp, c1, c);
 				runetochar(cp+c1, &rune);
 				c1 += c;
+				continue;
 			}
+			cp = remal(cp, c1, 1);
+			cp[c1++] = v;
 		}
 		goto catem;
 
@@ -282,9 +281,9 @@ l0:
 
 	case '\'':
 		/* '.' */
-		if(escchar('\'', &escflag, &v))
+		if(escchar('\'', &v))
 			v = '\'';	// allow '''
-		if(!escchar('\'', &escflag, &v)) {
+		if(!escchar('\'', &v)) {
 			yyerror("missing '");
 			ungetc(v);
 		}
@@ -696,13 +695,12 @@ getnsc(void)
 
 
 int
-escchar(int e, int *escflg, vlong *val)
+escchar(int e, vlong *val)
 {
-	int i, c;
+	int i;
+	long c;
 	vlong l;
 
-	*escflg = 0;
-
 loop:
 	c = getr();
 	if(c == '\n') {
@@ -779,7 +777,6 @@ hex:
 		ungetc(c);
 		break;
 	}
-	*escflg = 1;
 	*val = l;
 	return 0;
 
@@ -796,7 +793,6 @@ oct:
 	}
 	if(l > 255)
 		warn("oct escape value > 255: %d", l);
-	*escflg = 1;
 	*val = l;
 	return 0;
 }
-- 
2.48.1