small ash testsuite, adapted from bash

(only a small part of it, actually)

shell/ash_test/recho.c

@@ -0,0 +1,63 @@
+/*
+   recho -- really echo args, bracketed with <> and with invisible chars
+	    made visible.
+
+   Chet Ramey
+   chet@po.cwru.edu
+*/
+
+/* Copyright (C) 2002-2005 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 2, or (at your option) any later
+   version.
+
+   Bash is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with Bash; see the file COPYING.  If not, write to the Free Software
+   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+void strprint();
+
+int
+main(argc, argv)
+int	argc;
+char	**argv;
+{
+	register int	i;
+
+	for (i = 1; i < argc; i++) {
+		printf("argv[%d] = <", i);
+		strprint(argv[i]);
+		printf(">\n");
+	}
+	exit(0);
+}
+
+void
+strprint(str)
+char	*str;
+{
+	register unsigned char *s;
+
+	for (s = (unsigned char *)str; s && *s; s++) {
+		if (*s < ' ') {
+			putchar('^');
+			putchar(*s+64);
+		} else if (*s == 127) {
+			putchar('^');
+			putchar('?');
+		} else
+			putchar(*s);
+	}
+}