From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 13 Oct 2007 05:49:18 +0000 (+0000)
Subject: * src/utf8.c (string_ascii_p): Recode to avoid bogus GCC 4.2.1
X-Git-Url: https://git.brokenzipper.com/gitweb?a=commitdiff_plain;h=6060d613d1791632b0d6eaafc7d83210f791799a;p=chaz%2Ftar

* src/utf8.c (string_ascii_p): Recode to avoid bogus GCC 4.2.1

warning about "comparison is always true due to limited range of
data type" when char is unsigned.
---

diff --git a/ChangeLog b/ChangeLog
index 3408856..6d15c9c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-10-12  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* src/utf8.c (string_ascii_p): Recode to avoid bogus GCC 4.2.1
+	warning about "comparison is always true due to limited range of
+	data type" when char is unsigned.
+
 2007-10-11  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Adjust to recent gnulib changes.
diff --git a/src/utf8.c b/src/utf8.c
index d5e5963..c9836d6 100644
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -91,7 +91,7 @@ bool
 string_ascii_p (char const *p)
 {
   for (; *p; p++)
-    if (! (0 <= *p && *p <= 127))
+    if (*p & ~0x7f)
       return false;
   return true;
 }