From 96ff21243eba3873e0da814baa9a7ff19b748b7c Mon Sep 17 00:00:00 2001
From: Alex Brachet <abrachet@google.com>
Date: Fri, 3 Mar 2023 19:51:46 +0000
Subject: [PATCH] [libc] Fix strspn

---
 libc/src/string/strspn.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libc/src/string/strspn.cpp b/libc/src/string/strspn.cpp
index 60f16df..9580d1b 100644
--- a/libc/src/string/strspn.cpp
+++ b/libc/src/string/strspn.cpp
@@ -19,8 +19,9 @@ LLVM_LIBC_FUNCTION(size_t, strspn, (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;
 }
-- 
2.7.4