70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/* alias.h -- structure definitions. */
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/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined (_ALIAS_H_)
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#define _ALIAS_H_
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#include "stdc.h"
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#include "hashlib.h"
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typedef struct alias {
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char *name;
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char *value;
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char flags;
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} alias_t;
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/* Values for `flags' member of struct alias. */
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#define AL_EXPANDNEXT 0x1
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#define AL_BEINGEXPANDED 0x2
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/* The list of known aliases. */
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extern HASH_TABLE *aliases;
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extern void initialize_aliases __P((void));
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/* Scan the list of aliases looking for one with NAME. Return NULL
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if the alias doesn't exist, else a pointer to the alias. */
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extern alias_t *find_alias __P((char *));
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/* Return the value of the alias for NAME, or NULL if there is none. */
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extern char *get_alias_value __P((char *));
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/* Make a new alias from NAME and VALUE. If NAME can be found,
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then replace its value. */
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extern void add_alias __P((char *, char *));
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/* Remove the alias with name NAME from the alias list. Returns
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the index of the removed alias, or -1 if the alias didn't exist. */
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extern int remove_alias __P((char *));
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/* Remove all aliases. */
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extern void delete_all_aliases __P((void));
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/* Return an array of all defined aliases. */
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extern alias_t **all_aliases __P((void));
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/* Expand a single word for aliases. */
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extern char *alias_expand_word __P((char *));
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/* Return a new line, with any aliases expanded. */
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extern char *alias_expand __P((char *));
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#endif /* _ALIAS_H_ */
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