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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
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+/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#ifndef _WORDEXP_H
+
+#define _WORDEXP_H 1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* Bits set in the FLAGS argument to `wordexp'. */
+enum
+ {
+ WRDE_DOOFFS = (1 << 0), /* Insert PWORDEXP->we_offs NULLs. */
+ WRDE_APPEND = (1 << 1), /* Append to results of a previous call. */
+ WRDE_NOCMD = (1 << 2), /* Don't do command substitution. */
+ WRDE_REUSE = (1 << 3), /* Reuse storage in PWORDEXP. */
+ WRDE_SHOWERR = (1 << 4), /* Don't redirect stderr to /dev/null. */
+ WRDE_UNDEF = (1 << 5), /* Error for expanding undefined variables. */
+ __WRDE_FLAGS = (WRDE_DOOFFS | WRDE_APPEND | WRDE_NOCMD |
+ WRDE_REUSE | WRDE_SHOWERR | WRDE_UNDEF),
+ };
+
+/* Structure describing a word-expansion run. */
+typedef struct
+ {
+ int we_wordc; /* Count of words matched. */
+ char **we_wordv; /* List of expanded words. */
+ int we_offs; /* Slots to reserve in `we_wordv'. */
+ } wordexp_t;
+
+/* Possible nonzero return values from `wordexp'. */
+enum
+ {
+ WRDE_NOSPACE = 1, /* Ran out of memory. */
+ WRDE_BADCHAR, /* A metachar appears in the wrong place. */
+ WRDE_BADVAL, /* Undefined var reference with WRDE_UNDEF. */
+ WRDE_CMDSUB, /* Command substitution with WRDE_NOCMD. */
+ WRDE_SYNTAX /* Shell syntax error. */
+ };
+
+/* Do word expansion of WORDS into PWORDEXP. */
+extern int wordexp __P ((__const char *__words, wordexp_t * __pwordexp,
+ int __flags));
+
+/* Free the storage allocated by a `wordexp' call. */
+extern void wordfree __P ((wordexp_t *));
+
+__END_DECLS
+
+#endif /* wordexp.h */