~ubuntu-branches/ubuntu/trusty/bash/trusty-security

1.5.1 by Matthias Klose
Import upstream version 4.3~rc1
1
/* alias.h -- structure definitions. */
2
3
/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
4
5
   This file is part of GNU Bash, the Bourne Again SHell.
6
7
   Bash is free software: you can redistribute it and/or modify
8
   it under the terms of the GNU General Public License as published by
9
   the Free Software Foundation, either version 3 of the License, or
10
   (at your option) any later version.
11
12
   Bash is distributed in the hope that it will be useful,
13
   but WITHOUT ANY WARRANTY; without even the implied warranty of
14
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
   GNU General Public License for more details.
16
17
   You should have received a copy of the GNU General Public License
18
   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
19
*/
20
21
#if !defined (_ALIAS_H_)
22
#define _ALIAS_H_
23
24
#include "stdc.h"
25
26
#include "hashlib.h"
27
28
typedef struct alias {
29
  char *name;
30
  char *value;
31
  char flags;
32
} alias_t;
33
34
/* Values for `flags' member of struct alias. */
35
#define AL_EXPANDNEXT		0x1
36
#define AL_BEINGEXPANDED	0x2
37
38
/* The list of known aliases. */
39
extern HASH_TABLE *aliases;
40
41
extern void initialize_aliases __P((void));
42
43
/* Scan the list of aliases looking for one with NAME.  Return NULL
44
   if the alias doesn't exist, else a pointer to the alias. */
45
extern alias_t *find_alias __P((char *));
46
47
/* Return the value of the alias for NAME, or NULL if there is none. */
48
extern char *get_alias_value __P((char *));
49
50
/* Make a new alias from NAME and VALUE.  If NAME can be found,
51
   then replace its value. */
52
extern void add_alias __P((char *, char *));
53
54
/* Remove the alias with name NAME from the alias list.  Returns
55
   the index of the removed alias, or -1 if the alias didn't exist. */
56
extern int remove_alias __P((char *));
57
58
/* Remove all aliases. */
59
extern void delete_all_aliases __P((void));
60
61
/* Return an array of all defined aliases. */
62
extern alias_t **all_aliases __P((void));
63
64
/* Expand a single word for aliases. */
65
extern char *alias_expand_word __P((char *));
66
67
/* Return a new line, with any aliases expanded. */
68
extern char *alias_expand __P((char *));
69
70
#endif /* _ALIAS_H_ */