Diff: src/libxively/xi_macros.h

Revision:

0:82702e998d3f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libxively/xi_macros.h	Wed Jun 26 10:40:43 2013 +0000
@@ -0,0 +1,40 @@
+// Copyright (c) 2003-2013, LogMeIn, Inc. All rights reserved.
+// This is part of Xively C library, it is under the BSD 3-Clause license.
+
+/**
+ * \file    xi_macros.h
+ * \author  Olgierd Humenczuk
+ * \brief   General macros used by the library
+ */
+
+#ifndef __XI_MACROS_H__
+#define __XI_MACROS_H__
+
+#include <string.h>
+
+#define XI_STR_EXPAND(tok) #tok
+#define XI_STR(tok) XI_STR_EXPAND(tok)
+#define XI_MIN(a,b) (a)<(b)?(a):(b)
+#define XI_MAX(a,b) (a)<(b)?(b):(a)
+#define XI_UNUSED(x) (void)(x)
+
+#define XI_GUARD_EOS(s,size) { (s)[ (size) - 1 ] = '\0'; }
+
+#define XI_CLAMP(a,b,t) XI_MIN( XI_MAX( (a), (b) ), (t) )
+
+#define XI_CHECK_CND(cnd,e) if( (cnd) ) { xi_set_err( (e) ); goto err_handling; }
+#define XI_CHECK_ZERO(a,e) XI_CHECK_CND((a) == 0,(e))
+#define XI_CHECK_NEG(a) if( (a) < 0 ) )
+#define XI_CHECK_PTR(a,b) if( (a) == (b) )
+#define XI_SAFE_FREE(a) if( (a) ) { xi_free(a); (a) = 0; }
+#define XI_CHECK_MEMORY(a) XI_CHECK_CND((a) == 0,XI_OUT_OF_MEMORY)
+#define XI_CHECK_SIZE(a,b,e) XI_CHECK_CND(((a) >= (b) || (a) < 0 ),e)
+#define XI_CLEAR_STATIC_BUFFER(a) memset( (a), 0, sizeof(a) )
+#define XI_CHECK_S(s,size,o,e) {\
+    XI_CHECK_SIZE(s,size-o,e)\
+    else\
+    {\
+        (o) += (s);\
+    }}
+
+#endif //__XI_MACROS_H__