From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Wed, 3 Oct 2018 12:38:19 +0000 (+0300)
Subject: Fixed default implementation for nxt_explicit_memzero().
X-Git-Tag: 0.2.5~14
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=ad92be8ec6ea48dff4cdea1c0e8511f86631a257;p=njs.git

Fixed default implementation for nxt_explicit_memzero().

Thanks to David CARLIER.
---

diff --git a/nxt/nxt_string.h b/nxt/nxt_string.h
index 32946779..338c6809 100644
--- a/nxt/nxt_string.h
+++ b/nxt/nxt_string.h
@@ -57,8 +57,16 @@ nxt_upper_case(u_char c)
 #define nxt_explicit_memzero(buf, length)                                     \
     (void) (explicit_memset(buf, 0, length))
 #else
-#define nxt_explicit_memzero(buf, length)                                     \
-    nxt_memzero(buf, length)
+nxt_inline void
+nxt_explicit_memzero(u_char *buf, size_t length)
+{
+    volatile u_char  *p = (volatile u_char *) buf;
+
+    while (length != 0) {
+        *p++ = 0;
+        length--;
+    }
+}
 #endif