161 lines
5.4 KiB
C
161 lines
5.4 KiB
C
/* info.h -- Header file which includes all of the other headers.
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$Id: info.h,v 1.14 1999/09/25 16:10:04 karl Exp $
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Copyright (C) 1993, 97, 98, 99 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Written by Brian Fox (bfox@ai.mit.edu). */
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#ifndef INFO_H
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#define INFO_H
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/* We always want these, so why clutter up the compile command? */
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#define HANDLE_MAN_PAGES
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#define NAMED_FUNCTIONS
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/* System dependencies. */
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#include "system.h"
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/* Some of our other include files use these. */
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typedef int Function ();
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typedef void VFunction ();
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typedef char *CFunction ();
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#include "filesys.h"
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#include "display.h"
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#include "session.h"
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#include "echo-area.h"
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#include "doc.h"
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#include "footnotes.h"
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#include "gc.h"
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#define info_toupper(x) (islower (x) ? toupper (x) : x)
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#define info_tolower(x) (isupper (x) ? tolower (x) : x)
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#if !defined (whitespace)
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# define whitespace(c) ((c == ' ') || (c == '\t'))
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#endif /* !whitespace */
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#if !defined (whitespace_or_newline)
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# define whitespace_or_newline(c) (whitespace (c) || (c == '\n'))
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#endif /* !whitespace_or_newline */
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/* Add POINTER to the list of pointers found in ARRAY. SLOTS is the number
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of slots that have already been allocated. INDEX is the index into the
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array where POINTER should be added. GROW is the number of slots to grow
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ARRAY by, in the case that it needs growing. TYPE is a cast of the type
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of object stored in ARRAY (e.g., NODE_ENTRY *. */
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#define add_pointer_to_array(pointer, idx, array, slots, grow, type) \
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do { \
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if (idx + 2 >= slots) \
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array = (type *)(xrealloc (array, (slots += grow) * sizeof (type))); \
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array[idx++] = (type)pointer; \
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array[idx] = (type)NULL; \
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} while (0)
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#define maybe_free(x) do { if (x) free (x); } while (0)
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#if !defined (zero_mem) && defined (HAVE_MEMSET)
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# define zero_mem(mem, length) memset (mem, 0, length)
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#endif /* !zero_mem && HAVE_MEMSET */
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#if !defined (zero_mem) && defined (HAVE_BZERO)
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# define zero_mem(mem, length) bzero (mem, length)
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#endif /* !zero_mem && HAVE_BZERO */
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#if !defined (zero_mem)
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# define zero_mem(mem, length) \
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do { \
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register int zi; \
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register unsigned char *place; \
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\
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place = (unsigned char *)mem; \
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for (zi = 0; zi < length; zi++) \
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place[zi] = 0; \
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} while (0)
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#endif /* !zero_mem */
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/* A structure associating the nodes visited in a particular window. */
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typedef struct {
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WINDOW *window; /* The window that this list is attached to. */
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NODE **nodes; /* Array of nodes visited in this window. */
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int *pagetops; /* For each node in NODES, the pagetop. */
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long *points; /* For each node in NODES, the point. */
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int current; /* Index in NODES of the current node. */
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int nodes_index; /* Index where to add the next node. */
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int nodes_slots; /* Number of slots allocated to NODES. */
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} INFO_WINDOW;
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/* Array of structures describing for each window which nodes have been
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visited in that window. */
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extern INFO_WINDOW **info_windows;
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/* For handling errors. If you initialize the window system, you should
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also set info_windows_initialized_p to non-zero. It is used by the
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info_error () function to determine how to format and output errors. */
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extern int info_windows_initialized_p;
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/* Non-zero if an error message has been printed. */
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extern int info_error_was_printed;
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/* Non-zero means ring terminal bell on errors. */
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extern int info_error_rings_bell_p;
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/* Non-zero means default keybindings are loosely modeled on vi(1). */
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extern int vi_keys_p;
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/* Print FORMAT with ARG1 and ARG2. If the window system was initialized,
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then the message is printed in the echo area. Otherwise, a message is
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output to stderr. */
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extern void info_error ();
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/* The version numbers of Info. */
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extern int info_major_version, info_minor_version;
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/* Error message defines. */
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extern char *msg_cant_find_node;
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extern char *msg_cant_file_node;
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extern char *msg_cant_find_window;
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extern char *msg_cant_find_point;
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extern char *msg_cant_kill_last;
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extern char *msg_no_menu_node;
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extern char *msg_no_foot_node;
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extern char *msg_no_xref_node;
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extern char *msg_no_pointer;
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extern char *msg_unknown_command;
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extern char *msg_term_too_dumb;
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extern char *msg_at_node_bottom;
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extern char *msg_at_node_top;
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extern char *msg_one_window;
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extern char *msg_win_too_small;
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extern char *msg_cant_make_help;
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/* Found in info-utils.c. */
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extern char *filename_non_directory ();
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#if !defined (BUILDING_LIBRARY)
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/* Found in session.c */
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extern int info_windows_initialized_p;
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/* Found in window.c. */
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extern void message_in_echo_area (), unmessage_in_echo_area ();
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#endif /* !BUILDING_LIBRARY */
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#endif /* !INFO_H */
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