X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2F_PDCLIB%2Fassert.c;fp=functions%2F_PDCLIB%2Fassert.c;h=5c4b310936ac4dcf3eacd2cdcb43adb48d12149b;hb=c7a9c2e3a08068d6b10656c0d3ba683f6ec74fa9;hp=0000000000000000000000000000000000000000;hpb=e25ac2ecee6251afcec84e08165e454fb6bc256c;p=pdclib

diff --git a/functions/_PDCLIB/assert.c b/functions/_PDCLIB/assert.c
new file mode 100644
index 0000000..5c4b310
--- /dev/null
+++ b/functions/_PDCLIB/assert.c
@@ -0,0 +1,73 @@
+/* $Id$ */
+
+/* Release $Name$ */
+
+/* _PDCLIB_assert( char const * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifndef _PDCLIB_AUX_H
+#define _PDCLIB_AUX_H _PDCLIB_AUX_H
+#include <_PDCLIB_aux.h>
+#endif
+
+#if _PDCLIB_C_VERSION == 99
+void _PDCLIB_assert( char const * const message1, char const * const function, char const * const message2 )
+{
+    fputs( message1, stderr );
+    fputs( function, stderr );
+    fputs( message2, stderr );
+    abort();
+}
+#else
+void _PDCLIB_assert( char const * const message )
+{
+    fputs( message, stderr );
+    abort();
+}
+#endif
+
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+#include <signal.h>
+
+static int rc = 0;
+static int EXPECTED_ABORT = 0;
+static int UNEXPECTED_ABORT = 1;
+
+void aborthandler( int signal )
+{
+    TESTCASE( ! EXPECTED_ABORT );
+    exit( rc );
+}
+
+#define NDEBUG
+#include <assert.h>
+
+int disabled_test()
+{
+    int i = 0;
+    assert( i == 0 ); /* NDEBUG set, condition met */
+    assert( i == 1 ); /* NDEBUG set, condition fails */
+    return i;
+}
+
+#undef NDEBUG
+#include <assert.h>
+
+int main()
+{
+    BEGIN_TESTS;
+    TESTCASE( signal( SIGABRT, &aborthandler ) != SIG_ERR );
+    assert( UNEXPECTED_ABORT ); /* NDEBUG not set, condition met */
+    assert( EXPECTED_ABORT ); /* NDEBUG not set, condition fails - should abort */
+    return TEST_RESULTS;
+}
+
+#endif