X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=includes%2Fassert.h;h=7bd6e41a6ded9145224628d42479ec32ec0e2274;hp=ebf4d8c15b4eac6224415223754ba50459264ebd;hb=refs%2Ftags%2FOLD;hpb=8c8750c2826684c2420571a8007b9606f72c9040

diff --git a/includes/assert.h b/includes/assert.h
index ebf4d8c..7bd6e41 100644
--- a/includes/assert.h
+++ b/includes/assert.h
@@ -1,28 +1,32 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-// Diagnostics
-// ----------------------------------------------------------------------------
+/* ----------------------------------------------------------------------------
+ * $Id$
+ * ----------------------------------------------------------------------------
+ * Public Domain C Library - http://pdclib.sourceforge.net
+ * This code is Public Domain. Use, modify, and redistribute at will.
+ * ----------------------------------------------------------------------------
+ * Diagnostics
+ * --------------------------------------------------------------------------*/
 
-#ifndef __ASSERT_H
-#define __ASSERT_H __ASSERT_H
+#ifndef _ASSERT_H
+#define _ASSERT_H _ASSERT_H
 
-// ----------------------------------------------------------------------------
-// AUXILIARY
+/* ----------------------------------------------------------------------------
+ * AUXILIARY
+ * --------------------------------------------------------------------------*/
 
-// Helper function doing the print to stderr and call to abort().
-void __assert( char const * const expression, // the tested expression
-               char const * const file,       // name of source file
-               char const * const function,   // name of function
-               int const line );              // number of source file line
+/* Helper function doing the print to stderr and call to abort(). */
+void __assert( char const * const expression, /* the tested expression       */
+               char const * const file,       /* name of source file         */
+               char const * const function,   /* name of function            */
+               int const line );              /* number of source file line  */
 
-// ----------------------------------------------------------------------------
-// DEFINES
+#endif /* _ASSERT_H - note that the header guard ends here on purpose. The
+                      assert macro is redefined upon each inclusion, in
+                      dependence of NDEBUG.                                  */
 
-// TODO: Check the macro for if-compatibility.
+/* ----------------------------------------------------------------------------
+ * DEFINES
+ * --------------------------------------------------------------------------*/
 
 #undef assert
 #if defined NDEBUG
@@ -31,5 +35,3 @@ void __assert( char const * const expression, // the tested expression
 #define assert( x ) ( x ) ? ( (void) 0 ) \
                           :  __assert( #x, __FILE__, __func__, __LINE__ )
 #endif
-
-#endif // __ASSERT_H