replace: Add ZERO_ARRAY_LEN() macro

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/replace/replace.h b/lib/replace/replace.h
index 212ed265d4a..1658465866e 100644
--- a/lib/replace/replace.h
+++ b/lib/replace/replace.h
@@ -837,6 +837,11 @@ typedef unsigned long long ptrdiff_t ;
 #define ZERO_ARRAY(x) memset_s((char *)(x), sizeof(x), 0, sizeof(x))
 
 /**
+ * Zero a given len of an array
+ */
+#define ZERO_ARRAY_LEN(x, l) memset_s((char *)(x), (l), 0, (l))
+
+/**
  * Work out how many elements there are in a static array.
  */
 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))