c++: don't use strchrnul [PR107781]
The contracts implementation was using strchrnul, which is a glibc
extension, so bootstrap broke on non-glibc targets. Use C89 strcspn
instead.
PR c++/107781
gcc/cp/ChangeLog:
* contracts.cc (role_name_equal): Use strcspn instead
of strchrnul.
diff --git a/gcc/cp/contracts.cc b/gcc/cp/contracts.cc
index f3afcc6..a909701 100644
--- a/gcc/cp/contracts.cc
+++ b/gcc/cp/contracts.cc
@@ -210,8 +210,8 @@
static bool
role_name_equal (const char *role, const char *name)
{
- size_t role_len = strchrnul (role, ':') - role;
- size_t name_len = strchrnul (name, ':') - name;
+ size_t role_len = strcspn (role, ":");
+ size_t name_len = strcspn (name, ":");
if (role_len != name_len)
return false;
return strncmp (role, name, role_len) == 0;
