From: Rob Pike <r@golang.org>
Date: Mon, 6 Dec 2010 19:23:52 +0000 (-0500)
Subject: flag: fix format error in boolean error report. just use %q; the values are strings.
X-Git-Tag: weekly.2010-12-08~39
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e26f9b3420f0d54ed38c07039c898b099ae8db80;p=gostls13.git

flag: fix format error in boolean error report. just use %q; the values are strings.

R=rsc
CC=golang-dev
https://golang.org/cl/3418043
---

diff --git a/src/pkg/flag/flag.go b/src/pkg/flag/flag.go
index 59c33403d3..e87f223964 100644
--- a/src/pkg/flag/flag.go
+++ b/src/pkg/flag/flag.go
@@ -459,7 +459,7 @@ func (f *allFlags) parseOne(index int) (ok bool, next int) {
 	if f, ok := flag.Value.(*boolValue); ok { // special case: doesn't need an arg
 		if has_value {
 			if !f.Set(value) {
-				fmt.Fprintf(os.Stderr, "invalid boolean value %t for flag: -%s\n", value, name)
+				fmt.Fprintf(os.Stderr, "invalid boolean value %q for flag: -%s\n", value, name)
 				fail()
 			}
 		} else {
@@ -479,7 +479,7 @@ func (f *allFlags) parseOne(index int) (ok bool, next int) {
 		}
 		ok = flag.Value.Set(value)
 		if !ok {
-			fmt.Fprintf(os.Stderr, "invalid value %s for flag: -%s\n", value, name)
+			fmt.Fprintf(os.Stderr, "invalid value %q for flag: -%s\n", value, name)
 			fail()
 		}
 	}