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ccc6cda3 JA |
1 | /* histlib.h -- internal definitions for the history library. */ |
2 | /* Copyright (C) 1989, 1992 Free Software Foundation, Inc. | |
3 | ||
4 | This file contains the GNU History Library (the Library), a set of | |
5 | routines for managing the text of previously typed lines. | |
6 | ||
7 | The Library is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
bb70624e | 9 | the Free Software Foundation; either version 2, or (at your option) |
ccc6cda3 JA |
10 | any later version. |
11 | ||
12 | The Library is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | General Public License for more details. | |
16 | ||
17 | The GNU General Public License is often shipped with GNU software, and | |
18 | is generally kept in a file called COPYING or LICENSE. If you do not | |
19 | have a copy of the license, write to the Free Software Foundation, | |
bb70624e | 20 | 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
ccc6cda3 JA |
21 | |
22 | #if !defined (_HISTLIB_H_) | |
23 | #define _HISTLIB_H_ | |
24 | ||
bb70624e | 25 | #if !defined (STREQ) |
ccc6cda3 | 26 | #define STREQ(a, b) (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0)) |
bb70624e JA |
27 | #define STREQN(a, b, n) (((n) == 0) ? (1) \ |
28 | : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0)) | |
29 | #endif | |
ccc6cda3 JA |
30 | |
31 | #ifndef savestring | |
32 | # ifndef strcpy | |
33 | extern char *strcpy (); | |
34 | # endif | |
35 | #define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x)) | |
36 | #endif | |
37 | ||
38 | #ifndef whitespace | |
39 | #define whitespace(c) (((c) == ' ') || ((c) == '\t')) | |
40 | #endif | |
41 | ||
42 | #ifndef _rl_digit_p | |
43 | #define _rl_digit_p(c) ((c) >= '0' && (c) <= '9') | |
44 | #endif | |
45 | ||
46 | #ifndef _rl_digit_value | |
47 | #define _rl_digit_value(c) ((c) - '0') | |
48 | #endif | |
49 | ||
50 | #ifndef member | |
51 | # ifndef strchr | |
52 | extern char *strchr (); | |
53 | # endif | |
54 | #define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0) | |
55 | #endif | |
56 | ||
57 | #ifndef FREE | |
58 | # define FREE(x) if (x) free (x) | |
59 | #endif | |
60 | ||
61 | /* Possible history errors passed to hist_error. */ | |
62 | #define EVENT_NOT_FOUND 0 | |
63 | #define BAD_WORD_SPEC 1 | |
64 | #define SUBST_FAILED 2 | |
65 | #define BAD_MODIFIER 3 | |
b72432fd | 66 | #define NO_PREV_SUBST 4 |
ccc6cda3 JA |
67 | |
68 | /* Possible definitions for history starting point specification. */ | |
69 | #define ANCHORED_SEARCH 1 | |
70 | #define NON_ANCHORED_SEARCH 0 | |
71 | ||
72 | /* Possible definitions for what style of writing the history file we want. */ | |
73 | #define HISTORY_APPEND 0 | |
74 | #define HISTORY_OVERWRITE 1 | |
75 | ||
bb70624e JA |
76 | /* Some variable definitions shared across history source files. */ |
77 | extern int history_offset; | |
78 | ||
ccc6cda3 | 79 | #endif /* !_HISTLIB_H_ */ |