Modify various POSIX platform files so you can build on top of glibc for testing

[pdclib.old] / includes / assert.h

diff --git a/includes/assert.h b/includes/assert.h
index ebf4d8c15b4eac6224415223754ba50459264ebd..cb5c47e4bd2875ba8e1874c96c6e6b7c951d0562 100644 (file)
--- a/includes/assert.h
+++ b/includes/assert.h
@@ -1,35 +1,53 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-// Diagnostics
-// ----------------------------------------------------------------------------
+/* $Id$ */
 
-#ifndef __ASSERT_H
-#define __ASSERT_H __ASSERT_H
+/* 7.2 Diagnostics <assert.h>
 
-// ----------------------------------------------------------------------------
-// AUXILIARY
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
 
-// 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
+#ifndef _PDCLIB_ASSERT_H
+#define _PDCLIB_ASSERT_H _PDCLIB_ASSERT_H
+#include <_PDCLIB_aux.h>
+#include <_PDCLIB_config.h>
+_PDCLIB_BEGIN_EXTERN_C
 
-// ----------------------------------------------------------------------------
-// DEFINES
-
-// TODO: Check the macro for if-compatibility.
+/* Functions _NOT_ tagged noreturn as this hampers debugging */
+void _PDCLIB_assert99( char const * const, char const * const, char const * const );
+void _PDCLIB_assert89( char const * const );
 
+/* If NDEBUG is set, assert() is a null operation. */
 #undef assert
-#if defined NDEBUG
-#define assert( x ) ( (void) 0 )
+
+#ifdef NDEBUG
+#define assert( ignore ) do { \
+        if(!(expression)) { _PDCLIB_UNREACHABLE; } \
+    } while(0)
+
+#elif _PDCLIB_C_MIN(99)
+#define assert(expression) \
+    do { if(!(expression)) { \
+        _PDCLIB_assert99("Assertion failed: " _PDCLIB_symbol2string(expression)\
+                         ", function ", __func__, \
+                         ", file " __FILE__ \
+                         ", line " _PDCLIB_symbol2string( __LINE__ ) \
+                         "." _PDCLIB_endl ); \
+        _PDCLIB_UNREACHABLE; \
+      } \
+    } while(0)
+    
 #else
-#define assert( x ) ( x ) ? ( (void) 0 ) \
-                          :  __assert( #x, __FILE__, __func__, __LINE__ )
+#define assert(expression) \
+    do { if(!(expression)) { \
+        _PDCLIB_assert89("Assertion failed: " _PDCLIB_symbol2string(expression)\
+                         ", file " __FILE__ \
+                         ", line " _PDCLIB_symbol2string( __LINE__ ) \
+                         "." _PDCLIB_endl ); \
+        _PDCLIB_UNREACHABLE; \
+      } \
+    } while(0)
+#endif
+
+_PDCLIB_END_EXTERN_C
 #endif
 
-#endif // __ASSERT_H