From: Ben Boeckel <me@benboeckel.net>
Date: Wed, 21 Jun 2023 18:58:20 +0000 (-0400)
Subject: libcpp: allow UCS_LIMIT codepoints in UTF-8 strings
X-Git-Tag: basepoints/gcc-15~8086
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b7fc0a3be52f78100a270b63e7555fde078fd2e3;p=thirdparty%2Fgcc.git

libcpp: allow UCS_LIMIT codepoints in UTF-8 strings

Fixes r14-1954 (libcpp: reject codepoints above 0x10FFFF, 2023-06-06)

libcpp/

	* charset.cc: Allow `UCS_LIMIT` in UTF-8 strings.

Reported-by: Damien Guibouret <damien.guibouret@partition-saving.com>
Signed-off-by: Ben Boeckel <ben.boeckel@kitware.com>
---

diff --git a/libcpp/charset.cc b/libcpp/charset.cc
index d492f66adbc9..7b625c9956a6 100644
--- a/libcpp/charset.cc
+++ b/libcpp/charset.cc
@@ -1891,7 +1891,7 @@ cpp_valid_utf8_p (const char *buffer, size_t num_bytes)
 	 invalid because they cannot be represented in UTF-16.
 
 	 Reject such values.*/
-      if (cp >= UCS_LIMIT)
+      if (cp > UCS_LIMIT)
 	return false;
     }
   /* No problems encountered.  */