From: Alex Brachet <abrachet@google.com>
Date: Wed, 1 Mar 2023 18:57:07 +0000 (+0000)
Subject: [libc] Fix strcspn
X-Git-Tag: upstream/17.0.6~16135
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c891ef6ca01464cec9d1a53f9be0d0332999101f;p=platform%2Fupstream%2Fllvm.git

[libc] Fix strcspn

Differential Revision: https://reviews.llvm.org/D144995
---

diff --git a/libc/src/string/string_utils.h b/libc/src/string/string_utils.h
index 90579c2b22a8..d42f11384b1f 100644
--- a/libc/src/string/string_utils.h
+++ b/libc/src/string/string_utils.h
@@ -166,8 +166,9 @@ LIBC_INLINE size_t complementary_span(const char *src, const char *segment) {
   cpp::bitset<256> bitset;
 
   for (; *segment; ++segment)
-    bitset.set(*segment);
-  for (; *src && !bitset.test(*src); ++src)
+    bitset.set(*reinterpret_cast<const unsigned char *>(segment));
+  for (; *src && !bitset.test(*reinterpret_cast<const unsigned char *>(src));
+       ++src)
     ;
   return src - initial;
 }