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wordexp.h
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/* Copyright (C) 1991-2018 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 Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _WORDEXP_H #define _WORDEXP_H 1 #include <features.h> #define __need_size_t #include <stddef.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 { size_t we_wordc; /* Count of words matched. */ char **we_wordv; /* List of expanded words. */ size_t we_offs; /* Slots to reserve in `we_wordv'. */ } wordexp_t; /* Possible nonzero return values from `wordexp'. */ enum { #ifdef __USE_XOPEN WRDE_NOSYS = -1, /* Never used since we support `wordexp'. */ #endif 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 (const char *__restrict __words, wordexp_t *__restrict __pwordexp, int __flags); /* Free the storage allocated by a `wordexp' call. */ extern void wordfree (wordexp_t *__wordexp) __THROW; __END_DECLS #endif /* wordexp.h */