Addressed ticket #40 (non-standard errno values).

[pdclib] / functions / string / strerror.c

diff --git a/functions/string/strerror.c b/functions/string/strerror.c
index 1cd820cc869946f9e2c3e5a53550d540de0843c0..b0ced5dba5d308ba904276973f32c53575004009 100644 (file)
--- a/functions/string/strerror.c
+++ b/functions/string/strerror.c
@@ -1,30 +1,41 @@
-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* $Id$ */
 
-#include <errno.h>
+/* 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
 
-char * strerror( int errcode )
+#include <locale.h>
+
+/* TODO: Doing this via a static array is not the way to do it. */
+char * strerror( int errnum )
 {
-    switch ( errcode )
+    if ( errnum == 0 || errnum >= _PDCLIB_ERRNO_MAX )
+    {
+        return (char *)"Unknown error";
+    }
+    else
     {
-        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;
+        return _PDCLIB_lconv._PDCLIB_errno_texts[errnum];
     }
 }
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+#include <stdio.h>
+#include <errno.h>
+
+int main( void )
+{
+    TESTCASE( strerror( ERANGE ) != strerror( EDOM ) );
+    return TEST_RESULTS;
+}
+#endif