From: Stefan Metzmacher <metze@samba.org>
Date: Tue, 17 Apr 2007 08:03:29 +0000 (+0000)
Subject: r22298: move ZERO_*, ARRAY_SIZE and PTR_DIFF macros into libreplace
X-Git-Tag: samba-misc-tags/initial-v3-0-unstable~690
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8a7d2e633b98aa9c73cf1f7d1369015b294cf2e1;p=thirdparty%2Fsamba.git

r22298: move ZERO_*, ARRAY_SIZE and PTR_DIFF macros into libreplace

metze
---

diff --git a/source/include/smb_macros.h b/source/include/smb_macros.h
index d696db3d3ac..2b596d3c6b8 100644
--- a/source/include/smb_macros.h
+++ b/source/include/smb_macros.h
@@ -46,25 +46,6 @@
 #define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0)
 #endif
 
-/* zero a structure */
-#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
-
-/* zero a structure given a pointer to the structure */
-#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
-
-/* zero a structure given a pointer to the structure - no zero check */
-#define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x)))
-
-/* zero an array - note that sizeof(array) must work - ie. it must not be a 
-   pointer */
-#define ZERO_ARRAY(x) memset((char *)(x), 0, sizeof(x))
-
-/* pointer difference macro */
-#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2)))
-
-/* work out how many elements there are in a static array */
-#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
-
 /* assert macros */
 #ifdef DEVELOPER
 #define SMB_ASSERT(b) ( (b) ? (void)0 : \
diff --git a/source/lib/replace/README b/source/lib/replace/README
index c2de560314a..77558b2ca96 100644
--- a/source/lib/replace/README
+++ b/source/lib/replace/README
@@ -86,6 +86,12 @@ __STRINGSTRING
 MIN
 MAX
 QSORT_CAST
+ZERO_STRUCT
+ZERO_STRUCTP
+ZERO_STRUCTPN
+ZERO_ARRAY
+ARRAY_SIZE
+PTR_DIFF
 
 Headers:
 stdint.h
diff --git a/source/lib/replace/replace.h b/source/lib/replace/replace.h
index 840b448d24b..b96356ac467 100644
--- a/source/lib/replace/replace.h
+++ b/source/lib/replace/replace.h
@@ -451,6 +451,35 @@ typedef int bool;
 #define __location__ __FILE__ ":" __LINESTR__
 #endif
 
+/** 
+ * zero a structure 
+ */
+#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
+
+/** 
+ * zero a structure given a pointer to the structure 
+ */
+#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
+
+/** 
+ * zero a structure given a pointer to the structure - no zero check 
+ */
+#define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x)))
+
+/* zero an array - note that sizeof(array) must work - ie. it must not be a
+   pointer */
+#define ZERO_ARRAY(x) memset((char *)(x), 0, sizeof(x))
+
+/**
+ * work out how many elements there are in a static array 
+ */
+#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
+
+/** 
+ * pointer difference macro 
+ */
+#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2)))
+
 #if MMAP_BLACKLIST
 #undef HAVE_MMAP
 #endif
diff --git a/source/nsswitch/winbind_nss_config.h b/source/nsswitch/winbind_nss_config.h
index d595631362b..c36d4e72325 100644
--- a/source/nsswitch/winbind_nss_config.h
+++ b/source/nsswitch/winbind_nss_config.h
@@ -103,18 +103,6 @@ typedef int BOOL;
 #endif  /* don't lie.  If we don't have it, then don't use it */
 #endif
 
-
-
-/* zero a structure */
-#ifndef ZERO_STRUCT
-#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
-#endif
-
-/* zero a structure given a pointer to the structure */
-#ifndef ZERO_STRUCTP
-#define ZERO_STRUCTP(x) { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); }
-#endif
-
 /* Some systems (SCO) treat UNIX domain sockets as FIFOs */
 
 #ifndef S_IFSOCK