Avoid using strlen to get return size

pps83 · pps83 · commit 21036fdffde9 · 2026-02-14T07:40:30.000+02:00
+ leave output buffer unset
diff --git a/include/boost/int128/string.hpp b/include/boost/int128/string.hpp
@@ -20,9 +20,9 @@ namespace int128 {
 template <typename T>
 auto to_string(const T& value) -> std::enable_if_t<(std::is_same<T, int128_t>::value || std::is_same<T, uint128_t>::value), std::string>
 {
-    char buffer[64U] {};
+    char buffer[64];
     const auto last {detail::mini_to_chars(buffer, value, 10, false)};
-    return std::string{last};
+    return std::string{last, buffer + sizeof(buffer)};
 }
 
 } // namespace int128

Original file line number	Diff line number	Diff line change
`@@ -20,9 +20,9 @@ namespace int128 {`
`20`	`20`	`template <typename T>`
`21`	`21`	`auto to_string(const T& value) -> std::enable_if_t<(std::is_same<T, int128_t>::value \|\| std::is_same<T, uint128_t>::value), std::string>`
`22`	`22`	`{`
`23`		`- char buffer[64U] {};`
	`23`	`+ char buffer[64];`
`24`	`24`	`const auto last {detail::mini_to_chars(buffer, value, 10, false)};`
`25`		`- return std::string{last};`
	`25`	`+ return std::string{last, buffer + sizeof(buffer)};`
`26`	`26`	`}`
`27`	`27`
`28`	`28`	`} // namespace int128`