Rework source layout in preparation for modular sudo.

include/lbuf.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2007 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SUDO_LBUF_H
+#define _SUDO_LBUF_H
+
+/*
+ * Line buffer struct.
+ */
+struct lbuf {
+    char *buf;
+    int continuation;
+    int indent;
+    int len;
+    int size;
+};
+
+void lbuf_init		__P((struct lbuf *, char *, int, int));
+void lbuf_destroy	__P((struct lbuf *));
+void lbuf_append	__P((struct lbuf *, ...));
+void lbuf_append_quoted	__P((struct lbuf *, const char *, ...));
+void lbuf_print		__P((struct lbuf *));
+
+#endif /* _SUDO_LBUF_H */