initial population

1 files changed, 71 insertions, 0 deletions

diff --git a/bin/sh/expand.h b/bin/sh/expand.h
new file mode 100644
index 0000000..d435fd8
--- /dev/null
+++ b/bin/sh/expand.h
@@ -0,0 +1,71 @@
+/*	$NetBSD: expand.h,v 1.24 2018/11/18 17:23:37 kre Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Kenneth Almquist.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)expand.h	8.2 (Berkeley) 5/4/95
+ */
+
+#include <inttypes.h>
+
+struct strlist {
+	struct strlist *next;
+	char *text;
+};
+
+
+struct arglist {
+	struct strlist *list;
+	struct strlist **lastp;
+};
+
+/*
+ * expandarg() flags
+ */
+#define EXP_SPLIT	0x1	/* perform word splitting */
+#define EXP_TILDE	0x2	/* do normal tilde expansion */
+#define EXP_VARTILDE	0x4	/* expand tildes in an assignment */
+#define EXP_REDIR	0x8	/* file glob for a redirection (1 match only) */
+#define EXP_CASE	0x10	/* keeps quotes around for CASE pattern */
+#define EXP_IFS_SPLIT	0x20	/* need to record arguments for ifs breakup */
+#define EXP_IN_QUOTES	0x40	/* don't set EXP_IFS_SPLIT again */
+#define EXP_GLOB	0x80	/* perform filename globbing */
+#define EXP_NL		0x100	/* keep CRTNONL in output */
+
+#define EXP_FULL	(EXP_SPLIT | EXP_GLOB)
+#define EXP_QNEEDED	(EXP_GLOB | EXP_CASE | EXP_REDIR)
+
+union node;
+
+void expandhere(union node *, int);
+void expandarg(union node *, struct arglist *, int);
+void rmescapes(char *);
+int casematch(union node *, char *);