generic-library/cxx
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Don't assume that wctype produces a nice mask on all platforms. On

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glibc, for instance, it's a const char *.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@134787 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sean Hunt 2011-07-09 03:40:04 +00:00
parent e59f724f79
commit 6f0342cf2e
2 changed files with 50 additions and 0 deletions
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4
include/__config
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@ -289,4 +289,8 @@ template <unsigned> struct __static_assert_check {};
#define _LIBCPP_STABLE_APPLE_ABI
#endif
#ifdef __APPLE__
#define _LIBCPP_WCTYPE_IS_MASK
#endif
#endif // _LIBCPP_CONFIG

46
src/locale.cpp
View File

@ -1114,7 +1114,21 @@ ctype_byname<wchar_t>::~ctype_byname()
bool
ctype_byname<wchar_t>::do_is(mask m, char_type c) const
{
#ifdef _LIBCPP_WCTYPE_IS_MASK
return static_cast<bool>(iswctype_l(c, m, __l));
#else
if (m & space && !iswspace_l(c, __l)) return false;
if (m & print && !iswprint_l(c, __l)) return false;
if (m & cntrl && !iswcntrl_l(c, __l)) return false;
if (m & upper && !iswupper_l(c, __l)) return false;
if (m & lower && !iswlower_l(c, __l)) return false;
if (m & alpha && !iswalpha_l(c, __l)) return false;
if (m & digit && !iswdigit_l(c, __l)) return false;
if (m & punct && !iswpunct_l(c, __l)) return false;
if (m & xdigit && !iswxdigit_l(c, __l)) return false;
if (m & blank && !iswblank_l(c, __l)) return false;
return true;
#endif
}
const wchar_t*
@ -1154,8 +1168,24 @@ const wchar_t*
ctype_byname<wchar_t>::do_scan_is(mask m, const char_type* low, const char_type* high) const
{
for (; low != high; ++low)
{
#ifdef _LIBCPP_WCTYPE_IS_MASK
if (iswctype_l(*low, m, __l))
break;
#else
if (m & space && !iswspace_l(*low, __l)) continue;
if (m & print && !iswprint_l(*low, __l)) continue;
if (m & cntrl && !iswcntrl_l(*low, __l)) continue;
if (m & upper && !iswupper_l(*low, __l)) continue;
if (m & lower && !iswlower_l(*low, __l)) continue;
if (m & alpha && !iswalpha_l(*low, __l)) continue;
if (m & digit && !iswdigit_l(*low, __l)) continue;
if (m & punct && !iswpunct_l(*low, __l)) continue;
if (m & xdigit && !iswxdigit_l(*low, __l)) continue;
if (m & blank && !iswblank_l(*low, __l)) continue;
break;
#endif
}
return low;
}
@ -1163,8 +1193,24 @@ const wchar_t*
ctype_byname<wchar_t>::do_scan_not(mask m, const char_type* low, const char_type* high) const
{
for (; low != high; ++low)
{
#ifdef _LIBCPP_WCTYPE_IS_MASK
if (!iswctype_l(*low, m, __l))
break;
#else
if (m & space && iswspace_l(*low, __l)) continue;
if (m & print && iswprint_l(*low, __l)) continue;
if (m & cntrl && iswcntrl_l(*low, __l)) continue;
if (m & upper && iswupper_l(*low, __l)) continue;
if (m & lower && iswlower_l(*low, __l)) continue;
if (m & alpha && iswalpha_l(*low, __l)) continue;
if (m & digit && iswdigit_l(*low, __l)) continue;
if (m & punct && iswpunct_l(*low, __l)) continue;
if (m & xdigit && iswxdigit_l(*low, __l)) continue;
if (m & blank && iswblank_l(*low, __l)) continue;
break;
#endif
}
return low;
}