Avoid dropping const qualifier in casts

Adjusts casts to void dropping const qualifiers. This helps to avoid
mistakes, e.g. modifying string literals.

Also use size_t for length, similar to the upstream php interfaces.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sp_cookie_encryption.c b/src/sp_cookie_encryption.c
index b2cff66..8b24a9c 100644
--- a/src/sp_cookie_encryption.c
+++ b/src/sp_cookie_encryption.c
@@ -98,7 +98,7 @@ PHP_FUNCTION(sp_setcookie) {
   zval *expires_or_options = NULL;
   zend_bool secure = 0, httponly = 0;
   const sp_cookie *cookie_node = NULL;
-  char *cookie_samesite;
+  const char *cookie_samesite;
 
   // LCOV_EXCL_BR_START
   ZEND_PARSE_PARAMETERS_START(1, 7)