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

[pdclib] / functions / string / strerror.c

diff --git a/functions/string/strerror.c b/functions/string/strerror.c
new file mode 100644 (file)
index 0000000..89ebed0
--- /dev/null
+++ b/functions/string/strerror.c
@@ -0,0 +1,32 @@
+/* $Id$ */
+
+/* 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>
+
+int main( void )
+{
+    TESTCASE( strerror( ERANGE ) != strerror( EDOM ) );
+    return TEST_RESULTS;
+}
+#endif