| 1 | /* histlib.h -- internal definitions for the history library. */ |
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| 2 | /* Copyright (C) 1989, 1992 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file contains the GNU History Library (the Library), a set of |
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| 5 | routines for managing the text of previously typed lines. |
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| 6 | |
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| 7 | The Library is free software; you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation; either version 1, or (at your option) |
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| 10 | any later version. |
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| 11 | |
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| 12 | The Library is distributed in the hope that it will be useful, but |
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| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | General Public License for more details. |
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| 16 | |
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| 17 | The GNU General Public License is often shipped with GNU software, and |
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| 18 | is generally kept in a file called COPYING or LICENSE. If you do not |
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| 19 | have a copy of the license, write to the Free Software Foundation, |
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| 20 | 675 Mass Ave, Cambridge, MA 02139, USA. */ |
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| 21 | |
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| 22 | #if !defined (_HISTLIB_H_) |
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| 23 | #define _HISTLIB_H_ |
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| 24 | |
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| 25 | /* Function pointers can be declared as (Function *)foo. */ |
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| 26 | #if !defined (_FUNCTION_DEF) |
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| 27 | # define _FUNCTION_DEF |
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| 28 | typedef int Function (); |
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| 29 | typedef void VFunction (); |
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| 30 | typedef char *CPFunction (); |
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| 31 | typedef char **CPPFunction (); |
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| 32 | #endif /* _FUNCTION_DEF */ |
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| 33 | |
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| 34 | #define STREQ(a, b) (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0)) |
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| 35 | #define STREQN(a, b, n) (((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0)) |
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| 36 | |
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| 37 | #ifndef savestring |
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| 38 | # ifndef strcpy |
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| 39 | extern char *strcpy (); |
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| 40 | # endif |
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| 41 | #define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x)) |
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| 42 | #endif |
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| 43 | |
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| 44 | #ifndef whitespace |
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| 45 | #define whitespace(c) (((c) == ' ') || ((c) == '\t')) |
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| 46 | #endif |
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| 47 | |
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| 48 | #ifndef _rl_digit_p |
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| 49 | #define _rl_digit_p(c) ((c) >= '0' && (c) <= '9') |
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| 50 | #endif |
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| 51 | |
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| 52 | #ifndef _rl_digit_value |
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| 53 | #define _rl_digit_value(c) ((c) - '0') |
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| 54 | #endif |
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| 55 | |
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| 56 | #ifndef member |
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| 57 | # ifndef strchr |
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| 58 | extern char *strchr (); |
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| 59 | # endif |
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| 60 | #define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0) |
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| 61 | #endif |
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| 62 | |
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| 63 | #ifndef FREE |
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| 64 | # define FREE(x) if (x) free (x) |
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| 65 | #endif |
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| 66 | |
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| 67 | /* Possible history errors passed to hist_error. */ |
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| 68 | #define EVENT_NOT_FOUND 0 |
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| 69 | #define BAD_WORD_SPEC 1 |
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| 70 | #define SUBST_FAILED 2 |
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| 71 | #define BAD_MODIFIER 3 |
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| 72 | #define NO_PREV_SUBST 4 |
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| 73 | |
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| 74 | /* Possible definitions for history starting point specification. */ |
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| 75 | #define ANCHORED_SEARCH 1 |
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| 76 | #define NON_ANCHORED_SEARCH 0 |
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| 77 | |
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| 78 | /* Possible definitions for what style of writing the history file we want. */ |
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| 79 | #define HISTORY_APPEND 0 |
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| 80 | #define HISTORY_OVERWRITE 1 |
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| 81 | |
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| 82 | #endif /* !_HISTLIB_H_ */ |
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