/* 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
+/* Copyright (C) 1989-2009 Free Software Foundation, Inc.
+
+ This file contains the GNU History Library (History), a set of
routines for managing the text of previously typed lines.
- The Library is free software; you can redistribute it and/or modify
+ History 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 1, or (at your option)
- any later version.
+ the Free Software Foundation, either version 3 of the License, 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.
+ History 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,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with History. If not, see <http://www.gnu.org/licenses/>.
+*/
#if !defined (_HISTLIB_H_)
#define _HISTLIB_H_
-/* Function pointers can be declared as (Function *)foo. */
-#if !defined (_FUNCTION_DEF)
-# define _FUNCTION_DEF
-typedef int Function ();
-typedef void VFunction ();
-typedef char *CPFunction ();
-typedef char **CPPFunction ();
-#endif /* _FUNCTION_DEF */
+#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) (((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
+#define STREQN(a, b, n) (((n) == 0) ? (1) \
+ : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
+#endif
#ifndef savestring
-# ifndef strcpy
-extern char *strcpy ();
-# endif
#define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))
#endif
#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 HISTORY_APPEND 0
#define HISTORY_OVERWRITE 1
+/* Some variable definitions shared across history source files. */
+extern int history_offset;
+
#endif /* !_HISTLIB_H_ */