vauth/cleartext: fix integer overflow check

[platform/upstream/curl.git] / lib / curl_setup.h

diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index f128696..e4503c6 100644 (file)
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -447,6 +447,15 @@
 #  endif
 #endif
 
+#ifndef SIZE_T_MAX
+/* some limits.h headers have this defined, some don't */
+#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
+#define SIZE_T_MAX 18446744073709551615U
+#else
+#define SIZE_T_MAX 4294967295U
+#endif
+#endif
+
 /*
  * Arg 2 type for gethostname in case it hasn't been defined in config file.
  */