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glibc/posix/wordexp.h
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/* Copyright (C) 1991-2016 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 */ |