Merge pull request #898 from cppalliance/overread

mborland · web-flow · commit 36b09540e19d · 2025-06-26T19:33:32.000-04:00
Set width of istream
diff --git a/include/boost/decimal/detail/io.hpp b/include/boost/decimal/detail/io.hpp
@@ -37,7 +37,7 @@ auto operator>>(std::basic_istream<charT, traits>& is, DecimalType& d)
     -> std::enable_if_t<detail::is_decimal_floating_point_v<DecimalType>, std::basic_istream<charT, traits>&>
 {
     charT t_buffer[1024] {}; // What should be an unreasonably high maximum
-    is >> t_buffer;
+    is >> std::setw(1023) >> t_buffer;
 
     char buffer[1024] {};
 

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ auto operator>>(std::basic_istream<charT, traits>& is, DecimalType& d)`
`37`	`37`	`-> std::enable_if_t<detail::is_decimal_floating_point_v<DecimalType>, std::basic_istream<charT, traits>&>`
`38`	`38`	`{`
`39`	`39`	`charT t_buffer[1024] {}; // What should be an unreasonably high maximum`
`40`		`- is >> t_buffer;`
	`40`	`+ is >> std::setw(1023) >> t_buffer;`
`41`	`41`
`42`	`42`	`char buffer[1024] {};`
`43`	`43`