parse-datetime.y: accommodate -Wstrict-overflow

* lib/parse-datetime.y (yylex): Rearrange pointer arithmetic to
placate -Wstrict-overflow.

diff --git a/ChangeLog b/ChangeLog
index 5de6fa7ff65172084b84b72ace105a6df99f2099..f9ee06b019eeac4cf20a115f1106b9984856e1aa 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2011-05-28  Jim Meyering  <meyering@redhat.com>
 
+       parse-datetime.y: accommodate -Wstrict-overflow
+       * lib/parse-datetime.y (yylex): Rearrange pointer arithmetic to
+       placate -Wstrict-overflow.
+
        trim: avoid a warning from -O2 -Wstrict-overflow
        * lib/trim.c (trim2): Declare local to be "unsigned int", not "int".
 

diff --git a/lib/parse-datetime.y b/lib/parse-datetime.y
index d77955f40d5dec92b7c8e04d829c06529156f6b3..23a9a4159a3d7ec47d8a8935a27abf8fc2194763 100644 (file)
--- a/lib/parse-datetime.y
+++ b/lib/parse-datetime.y
@@ -1119,7 +1119,7 @@ yylex (YYSTYPE *lvalp, parser_control *pc)
 
           do
             {
-              if (p < buff + sizeof buff - 1)
+              if (p - buff < sizeof buff - 1)
                 *p++ = c;
               c = *++pc->input;
             }