| 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 2, 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 | 59 Temple Place, Suite 330, Boston, MA 02111 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 | #if defined (HAVE_STRING_H)
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| 26 | # include <string.h>
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| 27 | #else
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| 28 | # include <strings.h>
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| 29 | #endif /* !HAVE_STRING_H */
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| 30 |
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| 31 | #if !defined (STREQ)
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| 32 | #define STREQ(a, b) (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))
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| 33 | #define STREQN(a, b, n) (((n) == 0) ? (1) \
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| 34 | : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
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| 35 | #endif
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| 36 |
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| 37 | #ifndef savestring
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| 38 | #define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))
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| 39 | #endif
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| 40 |
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| 41 | #ifndef whitespace
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| 42 | #define whitespace(c) (((c) == ' ') || ((c) == '\t'))
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| 43 | #endif
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| 44 |
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| 45 | #ifndef _rl_digit_p
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| 46 | #define _rl_digit_p(c) ((c) >= '0' && (c) <= '9')
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| 47 | #endif
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| 48 |
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| 49 | #ifndef _rl_digit_value
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| 50 | #define _rl_digit_value(c) ((c) - '0')
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| 51 | #endif
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| 52 |
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| 53 | #ifndef member
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| 54 | # ifndef strchr
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| 55 | extern char *strchr ();
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| 56 | # endif
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| 57 | #define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0)
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| 58 | #endif
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| 59 |
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| 60 | #ifndef FREE
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| 61 | # define FREE(x) if (x) free (x)
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| 62 | #endif
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| 63 |
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| 64 | /* Possible history errors passed to hist_error. */
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| 65 | #define EVENT_NOT_FOUND 0
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| 66 | #define BAD_WORD_SPEC 1
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| 67 | #define SUBST_FAILED 2
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| 68 | #define BAD_MODIFIER 3
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| 69 | #define NO_PREV_SUBST 4
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| 70 |
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| 71 | /* Possible definitions for history starting point specification. */
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| 72 | #define ANCHORED_SEARCH 1
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| 73 | #define NON_ANCHORED_SEARCH 0
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| 74 |
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| 75 | /* Possible definitions for what style of writing the history file we want. */
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| 76 | #define HISTORY_APPEND 0
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| 77 | #define HISTORY_OVERWRITE 1
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| 78 |
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| 79 | /* Some variable definitions shared across history source files. */
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| 80 | extern int history_offset;
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| 81 |
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| 82 | #endif /* !_HISTLIB_H_ */
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