From: Stefan Metzmacher <metze@samba.org>
Date: Mon, 16 Mar 2009 09:16:40 +0000 (+0100)
Subject: talloc: add useful talloc_array_length() macro
X-Git-Tag: tdb-1.1.5~1075^2~187^2~10
X-Git-Url: http://git.samba.org/samba.git/?p=ira%2Fwip.git;a=commitdiff_plain;h=6d4a13241a096d30d37d69a8f7b888a395716316

talloc: add useful talloc_array_length() macro

metze
---

diff --git a/lib/talloc/talloc.h b/lib/talloc/talloc.h
index 0defd4ab0e7..5c8d5c5fe2c 100644
--- a/lib/talloc/talloc.h
+++ b/lib/talloc/talloc.h
@@ -94,6 +94,7 @@ typedef void TALLOC_CTX;
 #define talloc_array(ctx, type, count) (type *)_talloc_array(ctx, sizeof(type), count, #type)
 #define talloc_array_size(ctx, size, count) _talloc_array(ctx, size, count, __location__)
 #define talloc_array_ptrtype(ctx, ptr, count) (_TALLOC_TYPEOF(ptr))talloc_array_size(ctx, sizeof(*(ptr)), count)
+#define talloc_array_length(ctx) ((ctx) ? talloc_get_size(ctx)/sizeof(*ctx) : 0)
 
 #define talloc_realloc(ctx, p, type, count) (type *)_talloc_realloc_array(ctx, p, sizeof(type), count, #type)
 #define talloc_realloc_size(ctx, ptr, size) _talloc_realloc(ctx, ptr, size, __location__)