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1 | /* alias.h -- structure definitions. */ |
2 | ||
3185942a | 3 | /* Copyright (C) 1987-2009 Free Software Foundation, Inc. |
726f6388 JA |
4 | |
5 | This file is part of GNU Bash, the Bourne Again SHell. | |
6 | ||
3185942a JA |
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. | |
726f6388 | 11 | |
3185942a JA |
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. | |
726f6388 JA |
16 | |
17 | You should have received a copy of the GNU General Public License | |
3185942a JA |
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. |
19 | */ | |
726f6388 | 20 | |
ccc6cda3 JA |
21 | #if !defined (_ALIAS_H_) |
22 | #define _ALIAS_H_ | |
726f6388 | 23 | |
f73dda09 | 24 | #include "stdc.h" |
726f6388 | 25 | |
f73dda09 | 26 | #include "hashlib.h" |
726f6388 | 27 | |
ccc6cda3 | 28 | typedef struct alias { |
726f6388 JA |
29 | char *name; |
30 | char *value; | |
ccc6cda3 JA |
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 | |
726f6388 JA |
37 | |
38 | /* The list of known aliases. */ | |
39 | extern HASH_TABLE *aliases; | |
40 | ||
f73dda09 | 41 | extern void initialize_aliases __P((void)); |
726f6388 JA |
42 | |
43 | /* Scan the list of aliases looking for one with NAME. Return NULL | |
ccc6cda3 | 44 | if the alias doesn't exist, else a pointer to the alias. */ |
f73dda09 | 45 | extern alias_t *find_alias __P((char *)); |
726f6388 JA |
46 | |
47 | /* Return the value of the alias for NAME, or NULL if there is none. */ | |
f73dda09 | 48 | extern char *get_alias_value __P((char *)); |
726f6388 JA |
49 | |
50 | /* Make a new alias from NAME and VALUE. If NAME can be found, | |
51 | then replace its value. */ | |
f73dda09 | 52 | extern void add_alias __P((char *, char *)); |
726f6388 JA |
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. */ | |
f73dda09 | 56 | extern int remove_alias __P((char *)); |
726f6388 | 57 | |
ccc6cda3 | 58 | /* Remove all aliases. */ |
f73dda09 | 59 | extern void delete_all_aliases __P((void)); |
726f6388 JA |
60 | |
61 | /* Return an array of all defined aliases. */ | |
f73dda09 | 62 | extern alias_t **all_aliases __P((void)); |
ccc6cda3 JA |
63 | |
64 | /* Expand a single word for aliases. */ | |
f73dda09 JA |
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 *)); | |
726f6388 | 69 | |
ccc6cda3 | 70 | #endif /* _ALIAS_H_ */ |