UnixFileDescriptor Read and ErrnoException std::string.

1 files changed, 19 insertions, 8 deletions

diff --git a/src/base/Exception.cpp b/src/base/Exception.cpp
index 1e3813a9..2bf66fc6 100644
--- a/src/base/Exception.cpp
+++ b/src/base/Exception.cpp
@@ -1,8 +1,10 @@
 #include "cru/base/Exception.h"
 
-#include "cru/base/Format.h"
-
 #include <cerrno>
+#include <format>
+#include <string_view>
+
+constexpr auto NO_MESSAGE = "No message.";
 
 namespace cru {
 Exception::Exception(std::string message, std::unique_ptr<std::exception> inner)
@@ -13,9 +15,7 @@ Exception::Exception(StringView message, std::unique_ptr<std::exception> inner)
 
 Exception::~Exception() {}
 
-const char* Exception::what() const noexcept {
-  return message_.c_str();
-}
+const char* Exception::what() const noexcept { return message_.c_str(); }
 
 void Exception::AppendMessage(StringView additional_message) {
   message_ += " ";
@@ -26,10 +26,21 @@ void Exception::AppendMessage(std::optional<StringView> additional_message) {
   if (additional_message) AppendMessage(*additional_message);
 }
 
-ErrnoException::ErrnoException(String message)
+ErrnoException::ErrnoException() : ErrnoException(NO_MESSAGE) {}
+
+ErrnoException::ErrnoException(int errno_code)
+    : ErrnoException(NO_MESSAGE, errno_code) {}
+
+ErrnoException::ErrnoException(std::string_view message)
     : ErrnoException(message, errno) {}
 
-ErrnoException::ErrnoException(String message, int errno_code)
-    : Exception(Format(u"{}. Errno is {}.", message, errno_code)),
+ErrnoException::ErrnoException(std::string_view message, int errno_code)
+    : Exception(std::format("{} Errno is {}.", message, errno_code)),
       errno_code_(errno_code) {}
+
+ErrnoException::ErrnoException(StringView message)
+    : ErrnoException(message.ToUtf8()) {}
+
+ErrnoException::ErrnoException(StringView message, int errno_code)
+    : ErrnoException(message.ToUtf8(), errno_code) {}
 }  // namespace cru