r13658: More moving around of files:

 - Collect the generic utility functions into a lib/util/ (a la GLib is
		for the GNOME folks)
 - Remove even more files from include/
(This used to be commit ba62880f5b05c2a505dc7f54676b231197a7e707)

1 files changed, 81 insertions, 0 deletions

diff --git a/source4/lib/util/util.h b/source4/lib/util/util.h
new file mode 100644
index 0000000000..55d775e25c
--- /dev/null
+++ b/source4/lib/util/util.h
@@ -0,0 +1,81 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Utility functions for Samba
+   Copyright (C) Andrew Tridgell 1992-1999
+   Copyright (C) John H Terpstra 1996-1999
+   Copyright (C) Luke Kenneth Casson Leighton 1996-1999
+   Copyright (C) Paul Ashton 1998 - 1999
+    
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _SAMBA_UTIL_H_
+#define _SAMBA_UTIL_H_
+
+struct substitute_context;
+
+#include "util/xfile.h"
+#include "util/debug.h"
+#include "util/mutex.h"
+#include "util/byteorder.h"
+#include "util/util_proto.h"
+
+/* 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)))
+
+/* 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 */
+#define SMB_ASSERT(b) do { if (!(b)) { \
+	DEBUG(0,("PANIC: assert failed at %s(%d)\n", __FILE__, __LINE__)); \
+	smb_panic("assert failed"); }} while (0)
+
+#ifndef MIN
+#define MIN(a,b) ((a)<(b)?(a):(b))
+#endif
+
+#ifndef MAX
+#define MAX(a,b) ((a)>(b)?(a):(b))
+#endif
+
+#ifndef ABS
+#define ABS(a) ((a)>0?(a):(-(a)))
+#endif
+
+#ifndef SAFE_FREE /* Oh no this is also defined in tdb.h */
+/**
+ * Free memory if the pointer and zero the pointer.
+ *
+ * @note You are explicitly allowed to pass NULL pointers -- they will
+ * always be ignored.
+ **/
+#define SAFE_FREE(x) do { if ((x) != NULL) {free(discard_const_p(void *, (x))); (x)=NULL;} } while(0)
+#endif
+
+#define malloc_p(type) (type *)malloc(sizeof(type))
+#define malloc_array_p(type, count) (type *)realloc_array(NULL, sizeof(type), count)
+#define realloc_p(p, type, count) (type *)realloc_array(p, sizeof(type), count)
+
+#endif /* _SAMBA_UTIL_H_ */