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path: root/contrib/libs/cxxsupp/libcxx/patches/57-locale.patch
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diff --git a/src/locale.cpp b/src/locale.cpp
index 317b4de..071edb9 100644
--- a/src/locale.cpp
+++ b/src/locale.cpp
@@ -37,8 +37,8 @@
 #   include <langinfo.h>
 #endif
 
-#include "include/atomic_support.h"
 #include "include/sso_allocator.h"
+#include <mutex>
 
 // On Linux, wint_t and wchar_t have different signed-ness, and this causes
 // lots of noise in the build log, but no bugs that I know of.
@@ -691,8 +691,17 @@ locale::facet::__on_zero_shared() noexcept
 constinit int32_t locale::id::__next_id = 0;
 
 long locale::id::__get() {
-    call_once(__flag_, [&] { __id_ = __libcpp_atomic_add(&__next_id, 1); });
-    return __id_ - 1;
+    int32_t result = __id_.load(std::memory_order_acquire);
+    if (result == 0) {
+        static std::mutex m;
+        std::lock_guard<std::mutex> guard(m);
+        result = __id_.load(std::memory_order_acquire);
+        if (result == 0) {
+            result = ++__next_id;
+            __id_.store(result, std::memory_order_release);
+        }
+    }
+    return result - 1;
 }
 
 // template <> class collate_byname<char>
@@ -1066,6 +1075,11 @@ extern "C" const int ** __ctype_tolower_loc();
 extern "C" const int ** __ctype_toupper_loc();
 #endif
 
+#if defined(__ANDROID__)
+// See src/support/android/android_locale.cpp
+extern "C" const unsigned short* const _ctype_android;
+#endif
+
 #ifdef _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
 const ctype<char>::mask*
 ctype<char>::classic_table() noexcept
@@ -1163,6 +1177,8 @@ ctype<char>::classic_table() noexcept
 #elif defined(_NEWLIB_VERSION)
     // Newlib has a 257-entry table in ctype_.c, where (char)0 starts at [1].
     return _ctype_ + 1;
+#elif defined(__ANDROID__)
+    return _ctype_android;
 #elif defined(_AIX)
     return (const unsigned int *)__lc_ctype_ptr->obj->mask;
 #elif defined(__MVS__)
@@ -4188,14 +4204,25 @@ __codecvt_utf16<char32_t, true>::do_out(state_type&,
     const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt,
     extern_type* to, extern_type* to_end, extern_type*& to_nxt) const
 {
+#if defined(_LIBCPP_SHORT_WCHAR)
+    const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
+    const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
+    const uint16_t* _frm_nxt = _frm;
+#else
     const uint32_t* _frm = reinterpret_cast<const uint32_t*>(frm);
     const uint32_t* _frm_end = reinterpret_cast<const uint32_t*>(frm_end);
     const uint32_t* _frm_nxt = _frm;
+#endif
     uint8_t* _to = reinterpret_cast<uint8_t*>(to);
     uint8_t* _to_end = reinterpret_cast<uint8_t*>(to_end);
     uint8_t* _to_nxt = _to;
+#if defined(_LIBCPP_SHORT_WCHAR)
+    result r = ucs2_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
+                               __maxcode_, __mode_);
+#else
     result r = ucs4_to_utf16le(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
                                __maxcode_, __mode_);
+#endif
     frm_nxt = frm + (_frm_nxt - _frm);
     to_nxt = to + (_to_nxt - _to);
     return r;
@@ -4266,7 +4293,7 @@ __codecvt_utf8_utf16<wchar_t>::do_out(state_type&,
     const intern_type* frm, const intern_type* frm_end, const intern_type*& frm_nxt,
     extern_type* to, extern_type* to_end, extern_type*& to_nxt) const
 {
-#if defined(_LIBCPP_SHORT_WCHAR)
+#ifdef _WIN32
     const uint16_t* _frm = reinterpret_cast<const uint16_t*>(frm);
     const uint16_t* _frm_end = reinterpret_cast<const uint16_t*>(frm_end);
     const uint16_t* _frm_nxt = _frm;
@@ -4293,7 +4320,7 @@ __codecvt_utf8_utf16<wchar_t>::do_in(state_type&,
     const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
     const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
     const uint8_t* _frm_nxt = _frm;
-#if defined(_LIBCPP_SHORT_WCHAR)
+#ifdef _WIN32
     uint16_t* _to = reinterpret_cast<uint16_t*>(to);
     uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
     uint16_t* _to_nxt = _to;
@@ -4452,9 +4479,15 @@ __codecvt_utf8_utf16<char32_t>::do_in(state_type&,
     const uint8_t* _frm = reinterpret_cast<const uint8_t*>(frm);
     const uint8_t* _frm_end = reinterpret_cast<const uint8_t*>(frm_end);
     const uint8_t* _frm_nxt = _frm;
+#if defined(_LIBCPP_SHORT_WCHAR)
+    uint16_t* _to = reinterpret_cast<uint16_t*>(to);
+    uint16_t* _to_end = reinterpret_cast<uint16_t*>(to_end);
+    uint16_t* _to_nxt = _to;
+#else
     uint32_t* _to = reinterpret_cast<uint32_t*>(to);
     uint32_t* _to_end = reinterpret_cast<uint32_t*>(to_end);
     uint32_t* _to_nxt = _to;
+#endif
     result r = utf8_to_utf16(_frm, _frm_end, _frm_nxt, _to, _to_end, _to_nxt,
                              __maxcode_, __mode_);
     frm_nxt = frm + (_frm_nxt - _frm);
@@ -5922,7 +5955,7 @@ __init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_,
                     // We insert the space into the symbol instead of
                     // setting pat.field[2]=space so that when
                     // showbase is not set, the space goes away too.
-                    __curr_symbol_.insert(0, 1, space_char);
+                    __curr_symbol_.insert((size_t)0, 1, space_char);
                 }
                 return;
             default:
@@ -5945,7 +5978,7 @@ __init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_,
                     // We insert the space into the symbol instead of
                     // setting pat.field[2]=space so that when
                     // showbase is not set, the space goes away too.
-                    __curr_symbol_.insert(0, 1, space_char);
+                    __curr_symbol_.insert((size_t)0, 1, space_char);
                 }
                 return;
             case 2:  // Space between sign and currency or value.
@@ -5975,7 +6008,7 @@ __init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_,
                     // We insert the space into the symbol instead of
                     // setting pat.field[1]=space so that when
                     // showbase is not set, the space goes away too.
-                    __curr_symbol_.insert(0, 1, space_char);
+                    __curr_symbol_.insert((size_t)0, 1, space_char);
                 }
                 pat.field[1] = none;
                 pat.field[2] = symbol;
@@ -6018,7 +6051,7 @@ __init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_,
                     // We insert the space into the symbol instead of
                     // setting pat.field[2]=space so that when
                     // showbase is not set, the space goes away too.
-                    __curr_symbol_.insert(0, 1, space_char);
+                    __curr_symbol_.insert((size_t)0, 1, space_char);
                 }
                 return;
             default:
@@ -6041,7 +6074,7 @@ __init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_,
                     // We insert the space into the symbol instead of
                     // setting pat.field[1]=space so that when
                     // showbase is not set, the space goes away too.
-                    __curr_symbol_.insert(0, 1, space_char);
+                    __curr_symbol_.insert((size_t)0, 1, space_char);
                 }
                 return;
             case 2:  // Space between sign and currency or value.
@@ -6082,7 +6115,7 @@ __init_pat(money_base::pattern& pat, basic_string<charT>& __curr_symbol_,
                     // We insert the space into the symbol instead of
                     // setting pat.field[2]=space so that when
                     // showbase is not set, the space goes away too.
-                    __curr_symbol_.insert(0, 1, space_char);
+                    __curr_symbol_.insert((size_t)0, 1, space_char);
                 }
                 return;
             default: