version based on 8.1.1

ChangeLog.rst

@@ -1,5 +1,24 @@
-8.1.0 - TBD
------------
+8.1.1 - 2022-01-06
+------------------
+
+* Restored ABI compatibility with version 8.0.x
+  (`#2695 <https://github.com/fmtlib/fmt/issues/2695>`_,
+  `#2696 <https://github.com/fmtlib/fmt/pull/2696>`_).
+  Thanks `@saraedum (Julian Rüth) <https://github.com/saraedum>`_.
+
+* Fixed chorno formatting on big endian systems
+  (`#2698 <https://github.com/fmtlib/fmt/issues/2698>`_,
+  `#2699 <https://github.com/fmtlib/fmt/pull/2699>`_).
+  Thanks `@phprus (Vladislav Shchapov) <https://github.com/phprus>`_ and
+  `@xvitaly (Vitaly Zaitsev) <https://github.com/xvitaly>`_.
+
+* Fixed a linkage error with mingw
+  (`#2691 <https://github.com/fmtlib/fmt/issues/2691>`_,
+  `#2692 <https://github.com/fmtlib/fmt/pull/2692>`_).
+  Thanks `@rbberger (Richard Berger) <https://github.com/rbberger>`_.
+
+8.1.0 - 2022-01-02
+------------------
 
 * Optimized chrono formatting
   (`#2500 <https://github.com/fmtlib/fmt/pull/2500>`_,

doc/build.py

@@ -4,7 +4,7 @@
 import errno, os, re, sys
 from subprocess import check_call, CalledProcessError, Popen, PIPE, STDOUT
 
-versions = ['1.0.0', '1.1.0', '2.0.0', '3.0.2', '4.0.0', '4.1.0', '5.0.0', '5.1.0', '5.2.0', '5.2.1', '5.3.0', '6.0.0', '6.1.0', '6.1.1', '6.1.2', '6.2.0', '6.2.1', '7.0.0', '7.0.1', '7.0.2', '7.0.3', '7.1.0', '7.1.1', '7.1.2', '7.1.3', '8.0.0', '8.0.1']
+versions = ['1.0.0', '1.1.0', '2.0.0', '3.0.2', '4.0.0', '4.1.0', '5.0.0', '5.1.0', '5.2.0', '5.2.1', '5.3.0', '6.0.0', '6.1.0', '6.1.1', '6.1.2', '6.2.0', '6.2.1', '7.0.0', '7.0.1', '7.0.2', '7.0.3', '7.1.0', '7.1.1', '7.1.2', '7.1.3', '8.0.0', '8.0.1', '8.1.0', '8.1.1']
 
 class Pip:
   def __init__(self, venv_dir):

include/fmt/chrono.h

@@ -558,7 +558,15 @@ inline void write_digit2_separated(char* buf, unsigned a, unsigned b,
   auto usep = static_cast<unsigned long long>(sep);
   // Add ASCII '0' to each digit byte and insert separators.
   digits |= 0x3030003030003030 | (usep << 16) | (usep << 40);
-  memcpy(buf, &digits, 8);
+
+  constexpr const size_t len = 8;
+  if (const_check(is_big_endian())) {
+    char tmp[len];
+    memcpy(tmp, &digits, len);
+    std::reverse_copy(tmp, tmp + len, buf);
+  } else {
+    memcpy(buf, &digits, len);
+  }
 }
 
 template <typename Period> FMT_CONSTEXPR inline const char* get_units() {
@@ -1082,7 +1090,7 @@ template <typename OutputIt, typename Char> class tm_writer {
   }
   template <typename T, FMT_ENABLE_IF(!has_member_data_tm_gmtoff<T>::value)>
   void format_utc_offset_impl(const T& tm) {
-#if defined(_WIN32)
+#if defined(_WIN32) && defined(_UCRT)
 #  if FMT_USE_TZSET
     tzset_once();
 #  endif

include/fmt/core.h

@@ -20,7 +20,7 @@
 #define FMT_EXCEPTIONS 0
 
 // The fmt library version in the form major * 10000 + minor * 100 + patch.
-#define FMT_VERSION 80100
+#define FMT_VERSION 80101
 
 #if defined(__clang__) && !defined(__ibmxl__)
 #  define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__)
@@ -222,6 +222,20 @@
 #  endif
 #endif
 
+#ifndef FMT_DEPRECATED
+#  if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VER >= 1900
+#    define FMT_DEPRECATED [[deprecated]]
+#  else
+#    if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__)
+#      define FMT_DEPRECATED __attribute__((deprecated))
+#    elif FMT_MSC_VER
+#      define FMT_DEPRECATED __declspec(deprecated)
+#    else
+#      define FMT_DEPRECATED /* deprecated */
+#    endif
+#  endif
+#endif
+
 #ifndef FMT_BEGIN_NAMESPACE
 #  define FMT_BEGIN_NAMESPACE \
     namespace fmt {           \
@@ -604,7 +618,7 @@ struct error_handler {
   constexpr error_handler(const error_handler&) = default;
 
   // This function is intentionally not constexpr to give a compile-time error.
-  void on_error(const char* message) { throw_format_error(message); }
+  FMT_NORETURN FMT_API void on_error(const char* message);
 };
 FMT_END_DETAIL_NAMESPACE
 
@@ -1376,21 +1390,20 @@ template <typename Context> struct arg_mapper {
   using cstring_result = conditional_t<std::is_same<char_type, char>::value,
                                        const char*, unformattable_pointer>;
 
-  // DEPRECATED!
-  FMT_CONSTEXPR FMT_INLINE auto map(const signed char* val) -> cstring_result {
+  FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(const signed char* val)
+      -> cstring_result {
     return map(reinterpret_cast<const char*>(val));
   }
-  // DEPRECATED!
-  FMT_CONSTEXPR FMT_INLINE auto map(const unsigned char* val)
+  FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(const unsigned char* val)
       -> cstring_result {
     return map(reinterpret_cast<const char*>(val));
   }
-  // DEPRECATED!
-  FMT_CONSTEXPR FMT_INLINE auto map(signed char* val) -> cstring_result {
+  FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(signed char* val)
+      -> cstring_result {
     return map(reinterpret_cast<const char*>(val));
   }
-  // DEPRECATED!
-  FMT_CONSTEXPR FMT_INLINE auto map(unsigned char* val) -> cstring_result {
+  FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(unsigned char* val)
+      -> cstring_result {
     return map(reinterpret_cast<const char*>(val));
   }
 

include/fmt/format-inl.h

@@ -2572,6 +2572,12 @@ FMT_FUNC void report_system_error(int error_code,
   report_error(format_system_error, error_code, message);
 }
 
+// DEPRECATED!
+// This function is defined here and not inline for ABI compatiblity.
+FMT_FUNC void detail::error_handler::on_error(const char* message) {
+  throw_format_error(message);
+}
+
 FMT_FUNC std::string vformat(string_view fmt, format_args args) {
   // Don't optimize the "{}" case to keep the binary size small and because it
   // can be better optimized in fmt::format anyway.

include/fmt/format.h

@@ -118,20 +118,6 @@ FMT_END_NAMESPACE
 #  define FMT_CATCH(x) if (false)
 #endif
 
-#ifndef FMT_DEPRECATED
-#  if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VER >= 1900
-#    define FMT_DEPRECATED [[deprecated]]
-#  else
-#    if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__)
-#      define FMT_DEPRECATED __attribute__((deprecated))
-#    elif FMT_MSC_VER
-#      define FMT_DEPRECATED __declspec(deprecated)
-#    else
-#      define FMT_DEPRECATED /* deprecated */
-#    endif
-#  endif
-#endif
-
 #ifndef FMT_MAYBE_UNUSED
 #  if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused)
 #    define FMT_MAYBE_UNUSED [[maybe_unused]]
@@ -318,10 +304,18 @@ FMT_CONSTEXPR20 auto bit_cast(const From& from) -> To {
 }
 
 inline auto is_big_endian() -> bool {
+#ifdef _WIN32
+  return false;
+#elif defined(__BIG_ENDIAN__)
+  return true;
+#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__)
+  return __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__;
+#else
   struct bytes {
     char data[sizeof(int)];
   };
   return bit_cast<bytes>(1).data[0] == 0;
+#endif
 }
 
 // A fallback implementation of uintptr_t for systems that lack it.
@@ -331,7 +325,7 @@ struct fallback_uintptr {
   fallback_uintptr() = default;
   explicit fallback_uintptr(const void* p) {
     *this = bit_cast<fallback_uintptr>(p);
-    if (is_big_endian()) {
+    if (const_check(is_big_endian())) {
       for (size_t i = 0, j = sizeof(void*) - 1; i < j; ++i, --j)
         std::swap(value[i], value[j]);
     }
@@ -534,7 +528,7 @@ FMT_CONSTEXPR inline auto utf8_decode(const char* s, uint32_t* c, int* e)
   return next;
 }
 
-enum { invalid_code_point = ~uint32_t() };
+constexpr uint32_t invalid_code_point = ~uint32_t();
 
 // Invokes f(cp, sv) for every code point cp in s with sv being the string view
 // corresponding to the code point. cp is invalid_code_point on error.
@@ -3079,14 +3073,8 @@ constexpr auto operator"" _a(const char* s, size_t) -> detail::udl_arg<char> {
 }
 #  endif
 
-/**
-  DEPRECATED! User-defined literal equivalent of fmt::format.
-
-  **Example**::
-
-    using namespace fmt::literals;
-    std::string message = "The answer is {}"_format(42);
- */
+// DEPRECATED!
+// User-defined literal equivalent of fmt::format.
 FMT_DEPRECATED constexpr auto operator"" _format(const char* s, size_t n)
     -> detail::udl_formatter<char> {
   return {{s, n}};

support/manage.py

@@ -270,9 +270,9 @@ def release(args):
 
     # Create a release on GitHub.
     fmt_repo.push('origin', 'release')
-    params = {'access_token': os.getenv('FMT_TOKEN')}
+    auth_headers = {'Authorization': 'token ' + os.getenv('FMT_TOKEN')}
     r = requests.post('https://api.github.com/repos/fmtlib/fmt/releases',
-                      params=params,
+                      headers=auth_headers,
                       data=json.dumps({'tag_name': version,
                                        'target_commitish': 'release',
                                        'body': changes, 'draft': True}))
@@ -283,8 +283,8 @@ def release(args):
     package = 'fmt-{}.zip'.format(version)
     r = requests.post(
         '{}/{}/assets?name={}'.format(uploads_url, id, package),
-        headers={'Content-Type': 'application/zip'},
-        params=params, data=open('build/fmt/' + package, 'rb'))
+        headers={'Content-Type': 'application/zip'} | auth_headers,
+        data=open('build/fmt/' + package, 'rb'))
     if r.status_code != 201:
         raise Exception('Failed to upload an asset ' + str(r))
 

test/core-test.cc

@@ -740,10 +740,13 @@ struct convertible_to_pointer {
 enum class test_scoped_enum {};
 
 TEST(core_test, is_formattable) {
+#if 0
+  // This should be enabled once corresponding map overloads are gone.
   static_assert(fmt::is_formattable<signed char*>::value, "");
   static_assert(fmt::is_formattable<unsigned char*>::value, "");
   static_assert(fmt::is_formattable<const signed char*>::value, "");
   static_assert(fmt::is_formattable<const unsigned char*>::value, "");
+#endif
   static_assert(!fmt::is_formattable<wchar_t>::value, "");
 #ifdef __cpp_char8_t
   static_assert(!fmt::is_formattable<char8_t>::value, "");
@@ -768,11 +771,6 @@ TEST(core_test, is_formattable) {
 
   static_assert(!fmt::is_formattable<convertible_to_pointer>::value, "");
 
-  static_assert(!fmt::is_formattable<signed char*, wchar_t>::value, "");
-  static_assert(!fmt::is_formattable<unsigned char*, wchar_t>::value, "");
-  static_assert(!fmt::is_formattable<const signed char*, wchar_t>::value, "");
-  static_assert(!fmt::is_formattable<const unsigned char*, wchar_t>::value, "");
-
   static_assert(!fmt::is_formattable<void (*)()>::value, "");
 
   struct s;

test/format-test.cc

@@ -1386,22 +1386,6 @@ TEST(format_test, format_cstring) {
       format_error, "string pointer is null");
 }
 
-TEST(format_test, format_schar_string) {
-  signed char str[] = "test";
-  EXPECT_EQ("test", fmt::format("{0:s}", str));
-  const signed char* const_str = str;
-  EXPECT_EQ("test", fmt::format("{0:s}", const_str));
-}
-
-TEST(format_test, format_uchar_string) {
-  unsigned char str[] = "test";
-  EXPECT_EQ("test", fmt::format("{0:s}", str));
-  const unsigned char* const_str = str;
-  EXPECT_EQ("test", fmt::format("{0:s}", const_str));
-  unsigned char* ptr = str;
-  EXPECT_EQ("test", fmt::format("{0:s}", ptr));
-}
-
 void function_pointer_test(int, double, std::string) {}
 
 TEST(format_test, format_pointer) {

test/printf-test.cc

@@ -481,12 +481,6 @@ TEST(printf_test, string) {
   EXPECT_PRINTF(L"    (null)", L"%10s", null_wstr);
 }
 
-TEST(printf_test, uchar_string) {
-  unsigned char str[] = "test";
-  unsigned char* pstr = str;
-  EXPECT_EQ("test", fmt::sprintf("%s", pstr));
-}
-
 TEST(printf_test, pointer) {
   int n;
   void* p = &n;