Commit 6cd5ccb for zlib

commit 6cd5ccb8d9a746647729461390a0b85d9f3525c9
Author: Mark Adler <git@madler.net>
Date:   Sun Nov 1 20:09:51 2026 -0800

    Avoid making gzprintf a stub when compiling as C++ code.

diff --git a/gzguts.h b/gzguts.h
index 3f49968..df4b0d6 100644
--- a/gzguts.h
+++ b/gzguts.h
@@ -92,8 +92,10 @@
 #        define vsnprintf _vsnprintf
 #      endif
 #    endif
-#  elif !defined(__STDC_VERSION__) || __STDC_VERSION__-0 < 199901L
-/* Otherwise if C89/90, assume no C99 snprintf() or vsnprintf() */
+#  elif (!defined(__STDC_VERSION__) || __STDC_VERSION__-0 < 199901L) && \
+        (!defined(__cplusplus) || __cplusplus < 201103L)
+/* Otherwise if C89/90 (and not C++11 or later), assume no C99 snprintf() or
+   vsnprintf() */
 #    ifndef NO_snprintf
 #      define NO_snprintf
 #    endif
diff --git a/gzlib.c b/gzlib.c
index 18bc6fb..c3b3efc 100644
--- a/gzlib.c
+++ b/gzlib.c
@@ -226,7 +226,7 @@ local gzFile gz_open(const void *path, int fd, const char *mode) {
 #if !defined(NO_snprintf) && !defined(NO_vsnprintf)
         (void)snprintf(state->path, len + 1, "%s", (const char *)path);
 #else
-        strcpy(state->path, path);
+        strcpy(state->path, (const char *)path);
 #endif
     }