[deliverable/binutils-gdb.git] / readline / histlib.h

/* 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_ */
Commit	Line	Data
d60d9f65 SS	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
1b17e766	9	the Free Software Foundation; either version 2, or (at your option)
d60d9f65 SS	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,
1b17e766	20	59 Temple Place, Suite 330, Boston, MA 02111 USA. */
d60d9f65 SS	21
	22	#if !defined (_HISTLIB_H_)
	23	#define _HISTLIB_H_
	24
9255ee31 EZ	25	#if defined (HAVE_STRING_H)
	26	# include <string.h>
	27	#else
	28	# include <strings.h>
	29	#endif /* !HAVE_STRING_H */
d60d9f65	30
1b17e766	31	#if !defined (STREQ)
d60d9f65	32	#define STREQ(a, b) (((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))
1b17e766 EZ	33	#define STREQN(a, b, n) (((n) == 0) ? (1) \
	34	: ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
	35	#endif
d60d9f65 SS	36
d60d9f65 SS	37	#ifndef savestring
d60d9f65 SS	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
c862e87b	69	#define NO_PREV_SUBST 4
d60d9f65 SS	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
1b17e766 EZ	79	/* Some variable definitions shared across history source files. */
	80	extern int history_offset;
	81
d60d9f65	82	#endif /* !_HISTLIB_H_ */