Add source.

1 files changed, 36 insertions, 0 deletions

diff --git a/sdk/other/expand.c b/sdk/other/expand.c
new file mode 100644
index 0000000..8005957
--- /dev/null
+++ b/sdk/other/expand.c
@@ -0,0 +1,36 @@
+/*
+ * String expansion and normalization of 'plain text' line data.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#include <std/string.h>
+
+char	*expand(const char *s)
+{
+	static	char	buf[320];
+	
+	int pos = 0;
+
+	while(*s)
+	{
+		if(*s == '\t')
+		{
+			buf[pos++] = ' ';
+			while(pos % 8)
+				buf[pos++] = ' ';
+		}
+		else if (*s > 31)
+			buf[pos++] = *s;
+		else
+		{
+			buf[pos++] = '^';
+			buf[pos++] = *s + '@';
+		}
+		++s;
+	}
+	buf[pos] = 0;
+	return buf;
+}
+