ok2c commented on code in PR #416:
URL:
https://github.com/apache/httpcomponents-core/pull/416#discussion_r1300599092
##########
httpcore5/src/main/java/org/apache/hc/core5/util/TextUtils.java:
##########
@@ -141,4 +142,20 @@
return s.toLowerCase(Locale.ROOT);
}
+ /**
+ * Filter characters before byte conversion
+ *
+ * @since 5.2
+ */
+ @Internal
+ public static byte filterIfRequired(final int c) {
+ if ((c >= 0x20 && c <= 0x7E) || // Visible ASCII
+ (c >= 0xA0 && c <= 0xFF) || // Visible ISO-8859-1
+ c == 0x09) { // TAB
+ return (byte) c;
Review Comment:
> @vismayku I think you need to ensure unexpected truncation by checking the
range of the input before performing the cast.
@arturobernalg I think the existing implementation already does that. All
non-printable as well as all non-ascii characters get converted to `?`. This
is expected behavior.
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