diff options
Diffstat (limited to 'libcxx/include/locale')
| -rw-r--r-- | libcxx/include/locale | 166 |
1 files changed, 149 insertions, 17 deletions
diff --git a/libcxx/include/locale b/libcxx/include/locale index 284184fb17e..09faccd0738 100644 --- a/libcxx/include/locale +++ b/libcxx/include/locale @@ -137,6 +137,9 @@ template <class charT> class messages_byname; #include <streambuf> #include <iterator> #include <limits> +#if !__APPLE__ +#include <cstdarg> +#endif #include <cstdlib> #include <ctime> #include <nl_types.h> @@ -145,6 +148,131 @@ template <class charT> class messages_byname; _LIBCPP_BEGIN_NAMESPACE_STD +// OSX has nice foo_l() functions that let you turn off use of the global +// locale. Linux, not so much. The following functions avoid the locale when +// that's possible and otherwise do the wrong thing. FIXME. +#if __APPLE__ + +template <class _Tp> +inline +int +__nolocale_sprintf(char* __restrict __str, + const char* __restrict __format, _Tp __v) +{ + return sprintf_l(__str, 0, __format, __v); +} + +template <class _Tp> +inline +int +__nolocale_snprintf(char* __restrict __str, size_t __size, + const char* __restrict __format, _Tp __v) +{ + return snprintf_l(__str, __size, 0, __format, __v); +} + +template <class _Tp> +inline +int +__nolocale_snprintf(char* __restrict __str, size_t __size, + const char* __restrict __format, int __prec, _Tp __v) +{ + return snprintf_l(__str, __size, 0, __format, __prec, __v); +} + +template <class _Tp> +inline +int +__nolocale_asprintf(char** __ret, const char* __restrict __format, _Tp __v) +{ + return asprintf_l(__ret, 0, __format, __v); +} + +template <class _Tp> +inline +int +__nolocale_asprintf(char** __ret, const char* __restrict __format, int __prec, + _Tp __v) +{ + return asprintf_l(__ret, 0, __format, __prec, __v); +} + +template <class _Tp> +inline +int +__nolocale_sscanf(const char* __restrict __str, + const char* __restrict __format, _Tp* __v) +{ + return sscanf_l(__str, 0, __format, __v); +} + +inline +int +__nolocale_isxdigit(int __c) +{ + return isxdigit_l(__c, 0); +} + +inline +int +__nolocale_isdigit(int __c) +{ + return isdigit_l(__c, 0); +} + +#else /* !__APPLE__ */ +inline int +__nolocale_sprintf(char* __restrict __str, + const char* __restrict __format, ...) +{ + va_list __ap; + va_start(__ap, __format); + int __result = vsprintf(__str, __format, __ap); + va_end(__ap); + return __result; +} +inline int +__nolocale_snprintf(char* __restrict __str, size_t __size, + const char* __restrict __format, ...) +{ + va_list __ap; + va_start(__ap, __format); + int __result = vsnprintf(__str, __size, __format, __ap); + va_end(__ap); + return __result; +} +inline int +__nolocale_asprintf(char** __ret, + const char* __restrict __format, ...) +{ + va_list __ap; + va_start(__ap, __format); + int __result = vasprintf(__ret, __format, __ap); + va_end(__ap); + return __result; +} +inline int +__nolocale_sscanf(const char* __restrict __str, + const char* __restrict __format, ...) +{ + va_list __ap; + va_start(__ap, __format); + int __result = vsscanf(__str, __format, __ap); + va_end(__ap); + return __result; +} +inline int +__nolocale_isxdigit(int __c) +{ + return isxdigit(__c); +} +inline int +__nolocale_isdigit(int __c) +{ + return isdigit(__c); +} +#endif /* __APPLE__ */ + // __scan_keyword // Scans [__b, __e) until a match is found in the basic_strings range // [__kb, __ke) or until it can be shown that there is no match in [__kb, __ke). @@ -1002,7 +1130,7 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, break; // Stage 3 __a[sizeof(__a)-1] = 0; - if (sscanf_l(__a, 0, "%p", &__v) != 1) + if (__nolocale_sscanf(__a, "%p", &__v) != 1) __err = ios_base::failbit; // EOF checked if (__b == __e) @@ -1107,13 +1235,13 @@ __num_put<_CharT>::__widen_and_group_float(char* __nb, char* __np, char* __ne, *__oe++ = __ct.widen(*__nf++); *__oe++ = __ct.widen(*__nf++); for (__ns = __nf; __ns < __ne; ++__ns) - if (!isxdigit_l(*__ns, 0)) + if (!__nolocale_isxdigit(*__ns)) break; } else { for (__ns = __nf; __ns < __ne; ++__ns) - if (!isdigit_l(*__ns, 0)) + if (!__nolocale_isdigit(*__ns)) break; } if (__grouping.empty()) @@ -1310,7 +1438,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, + ((numeric_limits<long>::digits % 3) != 0) + 1; char __nar[__nbuf]; - int __nc = sprintf_l(__nar, 0, __fmt, __v); + int __nc = __nolocale_sprintf(__nar, __fmt, __v); char* __ne = __nar + __nc; char* __np = this->__identify_padding(__nar, __ne, __iob); // Stage 2 - Widen __nar while adding thousands separators @@ -1336,7 +1464,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, + ((numeric_limits<long long>::digits % 3) != 0) + 1; char __nar[__nbuf]; - int __nc = sprintf_l(__nar, 0, __fmt, __v); + int __nc = __nolocale_sprintf(__nar, __fmt, __v); char* __ne = __nar + __nc; char* __np = this->__identify_padding(__nar, __ne, __iob); // Stage 2 - Widen __nar while adding thousands separators @@ -1362,7 +1490,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, + ((numeric_limits<unsigned long>::digits % 3) != 0) + 1; char __nar[__nbuf]; - int __nc = sprintf_l(__nar, 0, __fmt, __v); + int __nc = __nolocale_sprintf(__nar, __fmt, __v); char* __ne = __nar + __nc; char* __np = this->__identify_padding(__nar, __ne, __iob); // Stage 2 - Widen __nar while adding thousands separators @@ -1388,7 +1516,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, + ((numeric_limits<unsigned long long>::digits % 3) != 0) + 1; char __nar[__nbuf]; - int __nc = sprintf_l(__nar, 0, __fmt, __v); + int __nc = __nolocale_sprintf(__nar, __fmt, __v); char* __ne = __nar + __nc; char* __np = this->__identify_padding(__nar, __ne, __iob); // Stage 2 - Widen __nar while adding thousands separators @@ -1415,16 +1543,18 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, char* __nb = __nar; int __nc; if (__specify_precision) - __nc = snprintf_l(__nb, __nbuf, 0, __fmt, (int)__iob.precision(), __v); + __nc = __nolocale_snprintf(__nb, __nbuf, __fmt, + (int)__iob.precision(), __v); else - __nc = snprintf_l(__nb, __nbuf, 0, __fmt, __v); + __nc = __nolocale_snprintf(__nb, __nbuf, __fmt, __v); unique_ptr<char, void(*)(void*)> __nbh(0, free); if (__nc > static_cast<int>(__nbuf-1)) { if (__specify_precision) - __nc = asprintf_l(&__nb, 0, __fmt, (int)__iob.precision(), __v); + __nc = __nolocale_asprintf(&__nb, __fmt, (int)__iob.precision(), + __v); else - __nc = asprintf_l(&__nb, 0, __fmt, __v); + __nc = __nolocale_asprintf(&__nb, __fmt, __v); if (__nb == 0) __throw_bad_alloc(); __nbh.reset(__nb); @@ -1465,16 +1595,18 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, char* __nb = __nar; int __nc; if (__specify_precision) - __nc = snprintf_l(__nb, __nbuf, 0, __fmt, (int)__iob.precision(), __v); + __nc = __nolocale_snprintf(__nb, __nbuf, __fmt, + (int)__iob.precision(), __v); else - __nc = snprintf_l(__nb, __nbuf, 0, __fmt, __v); + __nc = __nolocale_snprintf(__nb, __nbuf, __fmt, __v); unique_ptr<char, void(*)(void*)> __nbh(0, free); if (__nc > static_cast<int>(__nbuf-1)) { if (__specify_precision) - __nc = asprintf_l(&__nb, 0, __fmt, (int)__iob.precision(), __v); + __nc = __nolocale_asprintf(&__nb, __fmt, (int)__iob.precision(), + __v); else - __nc = asprintf_l(&__nb, 0, __fmt, __v); + __nc = __nolocale_asprintf(&__nb, __fmt, __v); if (__nb == 0) __throw_bad_alloc(); __nbh.reset(__nb); @@ -1510,7 +1642,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, char __fmt[6] = "%p"; const unsigned __nbuf = 20; char __nar[__nbuf]; - int __nc = sprintf_l(__nar, 0, __fmt, __v); + int __nc = __nolocale_sprintf(__nar, __fmt, __v); char* __ne = __nar + __nc; char* __np = this->__identify_padding(__nar, __ne, __iob); // Stage 2 - Widen __nar @@ -3162,7 +3294,7 @@ money_put<_CharT, _OutputIterator>::do_put(iter_type __s, bool __intl, // secure memory for digit storage if (__n > __bs-1) { - __n = asprintf_l(&__bb, 0, "%.0Lf", __units); + __n = __nolocale_asprintf(&__bb, "%.0Lf", __units); if (__bb == 0) __throw_bad_alloc(); __hn.reset(__bb); |
