/* histlib.h -- internal definitions for the history library. */ /* Copyright (C) 1989, 1992 Free Software Foundation, Inc. This file contains the GNU History Library (the Library), a set of routines for managing the text of previously typed lines. The Library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. The Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. The GNU General Public License is often shipped with GNU software, and is generally kept in a file called COPYING or LICENSE. If you do not have a copy of the license, write to the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ #if !defined (_HISTLIB_H_) #define _HISTLIB_H_ #if defined (HAVE_STRING_H) # include <string.h> #else # include <strings.h> #endif /* !HAVE_STRING_H */ #if !defined (STREQ) #define STREQ(a, b) (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0)) #define STREQN(a, b, n) (((n) == 0) ? (1) \ : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0)) #endif #ifndef savestring #define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x)) #endif #ifndef whitespace #define whitespace(c) (((c) == ' ') || ((c) == '\t')) #endif #ifndef _rl_digit_p #define _rl_digit_p(c) ((c) >= '0' && (c) <= '9') #endif #ifndef _rl_digit_value #define _rl_digit_value(c) ((c) - '0') #endif #ifndef member # ifndef strchr extern char *strchr (); # endif #define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0) #endif #ifndef FREE # define FREE(x) if (x) free (x) #endif /* Possible history errors passed to hist_error. */ #define EVENT_NOT_FOUND 0 #define BAD_WORD_SPEC 1 #define SUBST_FAILED 2 #define BAD_MODIFIER 3 #define NO_PREV_SUBST 4 /* Possible definitions for history starting point specification. */ #define ANCHORED_SEARCH 1 #define NON_ANCHORED_SEARCH 0 /* Possible definitions for what style of writing the history file we want. */ #define HISTORY_APPEND 0 #define HISTORY_OVERWRITE 1 /* Some variable definitions shared across history source files. */ extern int history_offset; #endif /* !_HISTLIB_H_ */