| 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 |
| 9 | the Free Software Foundation; either version 2, or (at your option) |
| 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, |
| 20 | 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
| 21 | |
| 22 | #if !defined (_HISTLIB_H_) |
| 23 | #define _HISTLIB_H_ |
| 24 | |
| 25 | /* Function pointers can be declared as (Function *)foo. */ |
| 26 | #if !defined (_FUNCTION_DEF) |
| 27 | # define _FUNCTION_DEF |
| 28 | typedef int Function (); |
| 29 | typedef void VFunction (); |
| 30 | typedef char *CPFunction (); |
| 31 | typedef char **CPPFunction (); |
| 32 | #endif /* _FUNCTION_DEF */ |
| 33 | |
| 34 | #if !defined (STREQ) |
| 35 | #define STREQ(a, b) (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0)) |
| 36 | #define STREQN(a, b, n) (((n) == 0) ? (1) \ |
| 37 | : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0)) |
| 38 | #endif |
| 39 | |
| 40 | #ifndef savestring |
| 41 | # ifndef strcpy |
| 42 | extern char *strcpy (); |
| 43 | # endif |
| 44 | #define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x)) |
| 45 | #endif |
| 46 | |
| 47 | #ifndef whitespace |
| 48 | #define whitespace(c) (((c) == ' ') || ((c) == '\t')) |
| 49 | #endif |
| 50 | |
| 51 | #ifndef _rl_digit_p |
| 52 | #define _rl_digit_p(c) ((c) >= '0' && (c) <= '9') |
| 53 | #endif |
| 54 | |
| 55 | #ifndef _rl_digit_value |
| 56 | #define _rl_digit_value(c) ((c) - '0') |
| 57 | #endif |
| 58 | |
| 59 | #ifndef member |
| 60 | # ifndef strchr |
| 61 | extern char *strchr (); |
| 62 | # endif |
| 63 | #define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0) |
| 64 | #endif |
| 65 | |
| 66 | #ifndef FREE |
| 67 | # define FREE(x) if (x) free (x) |
| 68 | #endif |
| 69 | |
| 70 | /* Possible history errors passed to hist_error. */ |
| 71 | #define EVENT_NOT_FOUND 0 |
| 72 | #define BAD_WORD_SPEC 1 |
| 73 | #define SUBST_FAILED 2 |
| 74 | #define BAD_MODIFIER 3 |
| 75 | #define NO_PREV_SUBST 4 |
| 76 | |
| 77 | /* Possible definitions for history starting point specification. */ |
| 78 | #define ANCHORED_SEARCH 1 |
| 79 | #define NON_ANCHORED_SEARCH 0 |
| 80 | |
| 81 | /* Possible definitions for what style of writing the history file we want. */ |
| 82 | #define HISTORY_APPEND 0 |
| 83 | #define HISTORY_OVERWRITE 1 |
| 84 | |
| 85 | /* Some variable definitions shared across history source files. */ |
| 86 | extern int history_offset; |
| 87 | |
| 88 | #endif /* !_HISTLIB_H_ */ |