Patch 4 (cppfastio#1193)

* Update print_freestanding_cxx26.h

* Update print_freestanding_cxx20.h

* rm djgpp symlink

* Update dos_at.h

* Update dos_at.h

* Update dos_at.h

* fix (cppfastio#1192)

- Fix function name  in allocation adapters
- Correct find_last return value for bidirectional iterators
- Use proper iterator operations for forward iterators
- Fix template parameters and length calculations in crypto hash

* fix include

* Update dos_at.h

* Update nt_at.h

* Update win32_9xa_at.h

---------

Co-authored-by: 噗叽 <[email protected]>

Author: MacroModel

include/fast_io_core_impl/integers/crypto_hash.h

@@ -296,7 +296,7 @@ inline constexpr hash_compress_t<digest_format::raw_bytes, ctx> hash_compress_ra
 	else
 	{
 		return {reinterpret_cast<::std::byte const *>(::std::ranges::data(t)),
-				static_cast<::std::size_t>(::std::ranges::size(t)) * sizeof(T)};
+				static_cast<::std::size_t>(::std::ranges::size(t)) * sizeof(::std::ranges::range_value_t<T>)};
 	}
 }
 

include/fast_io_hosted/filesystem/dos_at.h

@@ -17,6 +17,8 @@ extern int my_dos_rename(char const *oldname, char const *newname) noexcept __as
 // Because of limitations of MS-DOS, this function doesn't really link two files together.
 // However, it simulates a real link by copying the file at exists to new.
 extern int my_dos_link(char const *exists, char const *newname) noexcept __asm__("_link");
+// The symlink of djgpp only generates a 510-byte file and does not exist as a soft link, so it
+// will be disabled later.
 extern int my_dos_symlink(char const *exists, char const *newname) noexcept __asm__("_symlink");
 extern int my_dos_chmod(char const *path, mode_t mode) noexcept __asm__("_chmod");
 extern int my_dos_utime(char const *file, utimbuf const *time) noexcept __asm__("_utime");
@@ -136,9 +138,13 @@ inline auto dos22_api_dispatcher(int olddirfd, char const *oldpath, int newdirfd
 	}
 }
 
-inline void dos_symlinkat_impl(char const *oldpath, int newdirfd, char const *newpath)
+inline void dos_symlinkat_impl([[maybe_unused]] char const *oldpath, [[maybe_unused]] int newdirfd, [[maybe_unused]] char const *newpath)
 {
+#if defined(FAST_IO_USE_DJGPP_SYMLINK)
 	::fast_io::system_call_throw_error(::fast_io::posix::my_dos_symlink(oldpath, ::fast_io::details::my_dos_concat_tlc_path(newdirfd, newpath).c_str()));
+#else
+	throw_posix_error(ENOSYS);
+#endif
 }
 
 template <posix_api_12 dsp, typename... Args>
@@ -203,7 +209,6 @@ inline
 		[[fallthrough]];
 	case utime_flags::omit:
 		throw_posix_error(EINVAL);
-		::fast_io::unreachable();
 	default:
 		return ::fast_io::details::unix_timestamp_to_time_t(opt.timestamp);
 	}

include/fast_io_hosted/filesystem/nt_at.h

@@ -434,8 +434,9 @@ struct nt_create_nothrow_callback
 };
 
 template <bool zw>
-inline void nt_symlinkat_impl(char16_t const *oldpath_c_str, ::std::size_t oldpath_size,
-							  void *newdirhd, char16_t const *newpath_c_str, ::std::size_t newpath_size, bool kernel)
+inline void nt_symlinkat_impl([[maybe_unused]] char16_t const *oldpath_c_str, [[maybe_unused]] ::std::size_t oldpath_size,
+							  [[maybe_unused]] void *newdirhd, [[maybe_unused]] char16_t const *newpath_c_str, 
+                              [[maybe_unused]] ::std::size_t newpath_size, [[maybe_unused]] bool kernel)
 {
 #if !defined(_WIN32_WINNT) || _WIN32_WINNT > 0x0600
 
@@ -634,6 +635,7 @@ inline void nt_symlinkat_impl(char16_t const *oldpath_c_str, ::std::size_t oldpa
 		throw_nt_error(status);
 	}
 #else
+#if defined(FAST_IO_USE_DJGPP_SYMLINK)
 	constexpr nt_open_mode symbol_mode{::fast_io::win32::nt::details::calculate_nt_open_mode({::fast_io::open_mode::out, static_cast<perms>(436)})};
 
 	::fast_io::basic_nt_family_file<(zw ? nt_family::zw : nt_family::nt), char8_t> new_file(
@@ -647,6 +649,9 @@ inline void nt_symlinkat_impl(char16_t const *oldpath_c_str, ::std::size_t oldpa
 													 u8"\nThis is just a text to force symlink file to be 510 bytes long. Do not delete it nor spaces following it.");
 
 	::fast_io::operations::write_all(new_file, buffer, buffer + 510);
+#else
+	throw_nt_error(0xC0000002);
+#endif
 #endif
 }
 
@@ -824,7 +829,7 @@ inline auto nt_deal_with1x(void *dir_handle, path_type const &path, Args... args
 {
 	return nt_api_common(
 		path, [&](char16_t const *path_c_str, ::std::size_t path_size) {
-			return nt1x_api_dispatcher<family == nt_family::zw, dsp>(dir_handle, path_c_str, path_size, args...);
+			return nt1x_api_dispatcher < family == nt_family::zw, dsp > (dir_handle, path_c_str, path_size, args...);
 		});
 }
 
@@ -837,7 +842,7 @@ inline auto nt_deal_with12(old_path_type const &oldpath, void *newdirfd, new_pat
 		[&](char16_t const *oldpath_c_str, ::std::size_t oldpath_size) {
 			return nt_api_common(
 				newpath, [&](char16_t const *newpath_c_str, ::std::size_t newpath_size) {
-					return nt12_api_dispatcher<family == nt_family::zw, dsp>(oldpath_c_str, oldpath_size, newdirfd, newpath_c_str, newpath_size, args...);
+					return nt12_api_dispatcher < family == nt_family::zw, dsp > (oldpath_c_str, oldpath_size, newdirfd, newpath_c_str, newpath_size, args...);
 				});
 		});
 }
@@ -849,8 +854,8 @@ inline auto nt_deal_with22(void *olddirhd, oldpath_type const &oldpath, void *ne
 						 [&](char16_t const *oldpath_c_str, ::std::size_t oldpath_size) {
 							 return nt_api_common(newpath,
 												  [&](char16_t const *newpath_c_str, ::std::size_t newpath_size) {
-													  return nt22_api_dispatcher<family == nt_family::zw, dsp>(olddirhd, oldpath_c_str, oldpath_size, newdirhd,
-																											   newpath_c_str, newpath_size, args...);
+													  return nt22_api_dispatcher < family == nt_family::zw, dsp > (olddirhd, oldpath_c_str, oldpath_size, newdirhd,
+																												   newpath_c_str, newpath_size, args...);
 												  });
 						 });
 }

include/fast_io_hosted/filesystem/win32_9xa_at.h

@@ -305,9 +305,11 @@ inline void win32_9xa_utimensat_impl(::fast_io::win32_9xa_dir_handle const &dirh
 	}
 }
 
-inline void win32_9xa_symlinkat_impl(char8_t const *oldpath_c_str, ::std::size_t oldpath_size,
-									 ::fast_io::win32_9xa_dir_handle const &newdirhd, char8_t const *newpath_c_str, ::std::size_t newpath_size)
+inline void win32_9xa_symlinkat_impl([[maybe_unused]] char8_t const *oldpath_c_str, [[maybe_unused]] ::std::size_t oldpath_size,
+									 [[maybe_unused]] ::fast_io::win32_9xa_dir_handle const &newdirhd, 
+                                     [[maybe_unused]] char8_t const *newpath_c_str, [[maybe_unused]] ::std::size_t newpath_size)
 {
+#if defined(FAST_IO_USE_DJGPP_SYMLINK)
 	::fast_io::containers::basic_cstring_view<char8_t> path{::fast_io::containers::null_terminated, oldpath_c_str, oldpath_size};
 
 	::fast_io::u8win32_file_9xa f{::fast_io::win32::details::basic_win32_9xa_create_file_at_fs_dirent_impl(
@@ -321,6 +323,10 @@ inline void win32_9xa_symlinkat_impl(char8_t const *oldpath_c_str, ::std::size_t
 	::fast_io::operations::print_freestanding<false>(u8obv, u8"!<symlink>", path, u8"\nThis is just a text to force symlink file to be 510 bytes long. Do not delete it nor spaces following it.");
 
 	::fast_io::operations::write_all(f, buffer, buffer + 510);
+
+#else 
+	throw_win32_error(0x1);
+#endif
 }
 
 inline void win32_9xa_linkat_impl(::fast_io::win32_9xa_dir_handle const &olddirhd, char8_t const *oldpath_c_str, ::std::size_t oldpath_size,

include/fast_io_hosted/platforms/win32/msvc_linker_32.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 // This file have been generated by example/0039.win32mangling, therefore, do NOT edit this file directely!
 // clang-format off
 // WIN32

include/fast_io_hosted/platforms/win32/msvc_linker_32_i686.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 // This file have been generated by example/0039.win32mangling, therefore, do NOT edit this file directely!
 // clang-format off
 // WIN32

include/fast_io_hosted/platforms/win32/msvc_linker_64.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 // This file have been generated by example/0039.win32mangling, therefore, do NOT edit this file directely!
 // clang-format off
 // WIN32

include/fast_io_hosted/platforms/win32/msvc_linker_arm64ec.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 // This file have been generated by example/0039.win32mangling, therefore, do NOT edit this file directely!
 // clang-format off
 // WIN32