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Annotation of embedaddon/readline/histlib.h, revision 1.1.1.1

1.1       misho       1: /* histlib.h -- internal definitions for the history library. */
                      2: 
                      3: /* Copyright (C) 1989-2009 Free Software Foundation, Inc.
                      4: 
                      5:    This file contains the GNU History Library (History), a set of
                      6:    routines for managing the text of previously typed lines.
                      7: 
                      8:    History is free software: you can redistribute it and/or modify
                      9:    it under the terms of the GNU General Public License as published by
                     10:    the Free Software Foundation, either version 3 of the License, or
                     11:    (at your option) any later version.
                     12: 
                     13:    History is distributed in the hope that it will be useful,
                     14:    but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16:    GNU General Public License for more details.
                     17: 
                     18:    You should have received a copy of the GNU General Public License
                     19:    along with History.  If not, see <http://www.gnu.org/licenses/>.
                     20: */
                     21: 
                     22: #if !defined (_HISTLIB_H_)
                     23: #define _HISTLIB_H_
                     24: 
                     25: #if defined (HAVE_STRING_H)
                     26: #  include <string.h>
                     27: #else
                     28: #  include <strings.h>
                     29: #endif /* !HAVE_STRING_H */
                     30: 
                     31: #if !defined (STREQ)
                     32: #define STREQ(a, b)    (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))
                     33: #define STREQN(a, b, n) (((n) == 0) ? (1) \
                     34:                                    : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
                     35: #endif
                     36: 
                     37: #ifndef savestring
                     38: #define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))
                     39: #endif
                     40: 
                     41: #ifndef whitespace
                     42: #define whitespace(c) (((c) == ' ') || ((c) == '\t'))
                     43: #endif
                     44: 
                     45: #ifndef _rl_digit_p
                     46: #define _rl_digit_p(c)  ((c) >= '0' && (c) <= '9')
                     47: #endif
                     48: 
                     49: #ifndef _rl_digit_value
                     50: #define _rl_digit_value(c) ((c) - '0')
                     51: #endif
                     52: 
                     53: #ifndef member
                     54: #  ifndef strchr
                     55: extern char *strchr ();
                     56: #  endif
                     57: #define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0)
                     58: #endif
                     59: 
                     60: #ifndef FREE
                     61: #  define FREE(x)      if (x) free (x)
                     62: #endif
                     63: 
                     64: /* Possible history errors passed to hist_error. */
                     65: #define EVENT_NOT_FOUND 0
                     66: #define BAD_WORD_SPEC  1
                     67: #define SUBST_FAILED   2
                     68: #define BAD_MODIFIER   3
                     69: #define NO_PREV_SUBST  4
                     70: 
                     71: /* Possible definitions for history starting point specification. */
                     72: #define ANCHORED_SEARCH 1
                     73: #define NON_ANCHORED_SEARCH 0
                     74: 
                     75: /* Possible definitions for what style of writing the history file we want. */
                     76: #define HISTORY_APPEND 0
                     77: #define HISTORY_OVERWRITE 1
                     78: 
                     79: /* Some variable definitions shared across history source files. */
                     80: extern int history_offset;
                     81: 
                     82: #endif /* !_HISTLIB_H_ */