From eba7452ba8a7c3d088531c0a9dca639b6d708883 Mon Sep 17 00:00:00 2001 From: Paolo Carlini Date: Thu, 4 Nov 2004 11:29:30 +0000 Subject: [PATCH] locale_facets.tcc (num_get<>::do_get(bool&)): Evaluate __beg == __end the exact strict minimum number of times. 2004-11-04 Paolo Carlini * include/bits/locale_facets.tcc (num_get<>::do_get(bool&)): Evaluate __beg == __end the exact strict minimum number of times. From-SVN: r90058 --- libstdc++-v3/ChangeLog | 5 +++++ libstdc++-v3/include/bits/locale_facets.tcc | 8 ++++++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 6848060c05a..719bd39b635 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2004-11-04 Paolo Carlini + + * include/bits/locale_facets.tcc (num_get<>::do_get(bool&)): + Evaluate __beg == __end the exact strict minimum number of times. + 2004-11-03 Jonathan Wakely * include/bits/stl_numeric.h (partial_sum, adjacent_difference): diff --git a/libstdc++-v3/include/bits/locale_facets.tcc b/libstdc++-v3/include/bits/locale_facets.tcc index c32a65da765..41778bca710 100644 --- a/libstdc++-v3/include/bits/locale_facets.tcc +++ b/libstdc++-v3/include/bits/locale_facets.tcc @@ -687,7 +687,8 @@ namespace std bool __testf = true; bool __testt = true; size_t __n; - for (__n = 0; __beg != __end; ++__n, ++__beg) + bool __testeof = __beg == __end; + for (__n = 0; !__testeof; ++__n) { const char_type __c = *__beg; @@ -705,6 +706,9 @@ namespace std if (!__testf && !__testt) break; + + if (++__beg == __end) + __testeof = true; } if (__testf && __n == __lc->_M_falsename_size) __v = 0; @@ -713,7 +717,7 @@ namespace std else __err |= ios_base::failbit; - if (__beg == __end) + if (__testeof) __err |= ios_base::eofbit; } return __beg; -- 2.30.2