Ad-hoc solutions for perror() and strerror().

[pdclib] / functions / string / strerror.c

diff --git a/functions/string/strerror.c b/functions/string/strerror.c
index 2fdacdba5431bfc1eb73215bd612f477a5c50d22..89ebed03581a0c533f398ce339172e530b0cf1d8 100644 (file)
--- a/functions/string/strerror.c
+++ b/functions/string/strerror.c
@@ -1,30 +1,32 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* $Id$ */
 
+/* strerror( int )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <string.h>
+
+#ifndef REGTEST
+
+/* TODO: Doing this via a static array is not the way to do it. */
+char * strerror( int errnum )
+{
+    return (char *)_PDCLIB_errno_texts[ errnum ];
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+#include <stdio.h>
 #include <errno.h>
 
-char * strerror( int errcode )
+int main( void )
 {
-    switch ( errcode )
-    {
-        case 0:
-            return "no error";
-            break;
-        case EDOM:
-            return "domain error";
-            break;
-        case EILSEQ:
-            return "illegal sequence";
-            break;
-        case ERANGE:
-            return "range error";
-            break;
-        default:
-            return "unknown error";
-            break;
-    }
+    TESTCASE( strerror( ERANGE ) != strerror( EDOM ) );
+    return TEST_RESULTS;
 }
+#endif