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71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
8 years ago
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/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _WORDEXP_H
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#define _WORDEXP_H 1
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#include <features.h>
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#define __need_size_t
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#include <stddef.h>
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__BEGIN_DECLS
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/* Bits set in the FLAGS argument to `wordexp'. */
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enum
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{
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WRDE_DOOFFS = (1 << 0), /* Insert PWORDEXP->we_offs NULLs. */
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WRDE_APPEND = (1 << 1), /* Append to results of a previous call. */
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WRDE_NOCMD = (1 << 2), /* Don't do command substitution. */
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WRDE_REUSE = (1 << 3), /* Reuse storage in PWORDEXP. */
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WRDE_SHOWERR = (1 << 4), /* Don't redirect stderr to /dev/null. */
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WRDE_UNDEF = (1 << 5), /* Error for expanding undefined variables. */
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__WRDE_FLAGS = (WRDE_DOOFFS | WRDE_APPEND | WRDE_NOCMD |
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WRDE_REUSE | WRDE_SHOWERR | WRDE_UNDEF)
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};
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/* Structure describing a word-expansion run. */
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typedef struct
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{
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size_t we_wordc; /* Count of words matched. */
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char **we_wordv; /* List of expanded words. */
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size_t we_offs; /* Slots to reserve in `we_wordv'. */
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} wordexp_t;
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/* Possible nonzero return values from `wordexp'. */
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enum
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{
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#ifdef __USE_XOPEN
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WRDE_NOSYS = -1, /* Never used since we support `wordexp'. */
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#endif
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WRDE_NOSPACE = 1, /* Ran out of memory. */
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WRDE_BADCHAR, /* A metachar appears in the wrong place. */
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WRDE_BADVAL, /* Undefined var reference with WRDE_UNDEF. */
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WRDE_CMDSUB, /* Command substitution with WRDE_NOCMD. */
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WRDE_SYNTAX /* Shell syntax error. */
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};
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/* Do word expansion of WORDS into PWORDEXP. */
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extern int wordexp (const char *__restrict __words,
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wordexp_t *__restrict __pwordexp, int __flags);
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/* Free the storage allocated by a `wordexp' call. */
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extern void wordfree (wordexp_t *__wordexp) __THROW;
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__END_DECLS
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#endif /* wordexp.h */
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