fbb0a702e6
Usefull for dynamic menus where you want to change details on the fly "from the outside" (i.e. while not in one of the callback functions).
475 lines
13 KiB
C
475 lines
13 KiB
C
/* $NetBSD: mdb.c,v 1.50 2019/02/06 20:08:15 martin Exp $ */
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/*
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* Copyright 1997 Piermont Information Systems Inc.
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* All rights reserved.
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*
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* Written by Philip A. Nelson for Piermont Information Systems Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Piermont Information Systems Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/* mdb.c - menu database manipulation */
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(lint)
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__RCSID("$NetBSD: mdb.c,v 1.50 2019/02/06 20:08:15 martin Exp $");
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mdb.h"
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#include "defs.h"
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#include "pathnames.h"
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/* Data */
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#undef MAX
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#define MAX 1000
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static int menu_no = 0;
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static id_rec *menus[MAX];
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/* Other defines */
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#define OPT_SUB 1
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#define OPT_ENDWIN 2
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#define OPT_EXIT 4
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/* get_menu returns a pointer to a newly created id_rec or an old one. */
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id_rec *
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get_menu(char *name)
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{
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id_rec *temp;
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temp = find_id (root, name);
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if (temp == NULL) {
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if (menu_no < MAX) {
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temp = (id_rec *)malloc(sizeof(id_rec));
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temp->id = strdup(name);
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temp->info = NULL;
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temp->menu_no = menu_no;
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menus[menu_no++] = temp;
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insert_id(&root, temp);
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} else {
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(void)fprintf(stderr, "Too many menus. "
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"Increase MAX.\n");
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exit(1);
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}
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}
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return temp;
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}
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/* Verify that all menus are defined. */
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void
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check_defined(void)
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{
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int i;
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for (i = 0; i < menu_no; i++)
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if (!menus[i]->info)
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yyerror ("Menu '%s' undefined.", menus[i]->id);
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}
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/* Write out the menu file. */
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void
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write_menu_file(char *initcode)
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{
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FILE *out_file, *sys_file;
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int i, j;
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char hname[1024], cname[1024], sname[1024];
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char *sys_prefix, *tmpstr;
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int name_is_code, nlen, ch;
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optn_info *toptn;
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/* Generate file names */
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snprintf(hname, 1024, "%s.h", out_name);
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nlen = strlen(hname);
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if (hname[nlen-2] != '.' || hname[nlen-1] != 'h') {
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(void)fprintf(stderr, "%s: name `%s` too long.\n",
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prog_name, out_name);
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exit(1);
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}
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snprintf(cname, 1024, "%s.c", out_name);
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/* Open the menu_sys file first. */
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sys_prefix = getenv("MENUDEF");
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if (sys_prefix == NULL)
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sys_prefix = _PATH_DEFSYSPREFIX;
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snprintf(sname, 1024, "%s/%s", sys_prefix, sys_name);
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sys_file = fopen (sname, "r");
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if (sys_file == NULL) {
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(void)fprintf(stderr, "%s: could not open %s.\n",
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prog_name, sname);
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exit(1);
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}
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/* Output the .h file first. */
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out_file = fopen(hname, "w");
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if (out_file == NULL) {
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(void)fprintf(stderr, "%s: could not open %s.\n",
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prog_name, hname);
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exit(1);
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}
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/* Write it */
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(void)fprintf(out_file, "%s",
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"/* menu system definitions. */\n"
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"\n"
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"#ifndef MENU_DEFS_H\n"
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"#define MENU_DEFS_H\n"
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"#include <stdlib.h>\n"
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"#include <string.h>\n"
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"#include <ctype.h>\n"
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"#include <curses.h>\n\n"
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);
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if (do_msgxlat)
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(void)fprintf(out_file, "#define MSG_XLAT(x) msg_string(x)\n");
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else
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(void)fprintf(out_file, "#define MSG_XLAT(x) (x)\n");
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if (do_dynamic)
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(void)fprintf(out_file, "#define DYNAMIC_MENUS\n");
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if (do_expands)
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(void)fprintf(out_file, "#define MENU_EXPANDS\n");
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if (do_dynamic || do_msgxlat)
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(void)fprintf(out_file, "\n");
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(void)fprintf(out_file,
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"typedef struct menudesc menudesc;\n"
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"typedef struct menu_ent menu_ent;\n"
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"struct menu_ent {\n"
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" const char *opt_name;\n");
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if (do_expands)
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(void)fprintf(out_file,
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" const char *opt_exp_name;\n");
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(void)fprintf(out_file,
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" int opt_menu;\n"
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" int opt_flags;\n"
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" int (*opt_action)(menudesc *, void *);\n"
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"};\n\n"
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"#define OPT_SUB 1\n"
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"#define OPT_ENDWIN 2\n"
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"#define OPT_EXIT 4\n"
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"#define OPT_IGNORE 8\n"
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"#define OPT_NOSHORT 16\n"
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"#define OPT_NOMENU -1\n\n"
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"struct menudesc {\n"
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" const char *title;\n");
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if (do_expands)
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(void)fprintf(out_file,
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" const char *exp_title;\n");
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(void)fprintf(out_file,
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" int y, x;\n"
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" int h, w;\n"
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" int mopt;\n"
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" int numopts;\n"
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" int cursel;\n"
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" int topline;\n"
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" menu_ent *opts;\n"
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" WINDOW *mw;\n"
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" WINDOW *sv_mw;\n"
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" const char *helpstr;\n"
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" const char *exitstr;\n");
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if (do_expands)
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(void)fprintf(out_file,
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" void (*expand_act)(menudesc *, "
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"void *);\n");
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(void)fprintf(out_file,
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" void (*post_act)(menudesc *, void *);\n"
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" void (*exit_act)(menudesc *, void *);\n"
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" void (*draw_line)(menudesc *, int, void *);\n"
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"};\n"
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"\n"
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"/* defines for mopt field. */\n"
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#define STR(x) #x
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#define MC_OPT(x) "#define " #x " " STR(x) "\n"
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MC_OPT(MC_NOEXITOPT)
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MC_OPT(MC_NOBOX)
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MC_OPT(MC_SCROLL)
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MC_OPT(MC_NOSHORTCUT)
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MC_OPT(MC_NOCLEAR)
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MC_OPT(MC_DFLTEXIT)
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MC_OPT(MC_ALWAYS_SCROLL)
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MC_OPT(MC_SUBMENU)
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MC_OPT(MC_VALID)
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#undef MC_OPT
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#undef STR
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);
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(void)fprintf(out_file, "%s",
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"\n"
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"/* Prototypes */\n"
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"int menu_init(void);\n"
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"void process_menu(int, void *);\n"
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"__dead void __menu_initerror(void);\n"
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);
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if (do_dynamic)
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(void)fprintf(out_file, "%s",
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"int new_menu(const char *, menu_ent *, int, \n"
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"\tint, int, int, int, int,\n"
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"\tvoid (*)(menudesc *, void *), "
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"void (*)(menudesc *, int, void *),\n"
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"\tvoid (*)(menudesc *, void *), "
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"const char *, const char *);\n"
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"void free_menu(int);\n"
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"void set_menu_numopts(int, int);\n"
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"menudesc *get_menudesc(int);\n"
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);
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(void)fprintf(out_file, "\n/* Menu names */\n");
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for (i = 0; i < menu_no; i++)
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(void)fprintf(out_file, "#define MENU_%s\t%d\n",
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menus[i]->id, i);
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if (do_dynamic)
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(void)fprintf(out_file, "\n#define DYN_MENU_START\t%d",
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menu_no);
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(void)fprintf (out_file, "\n#define MAX_STRLEN %d\n"
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"#endif\n", max_strlen);
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fclose(out_file);
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/* Now the C file */
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out_file = fopen(cname, "w");
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if (out_file == NULL) {
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(void)fprintf(stderr, "%s: could not open %s.\n",
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prog_name, cname);
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exit(1);
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}
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/* initial code */
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fprintf(out_file, "#include \"%s\"\n\n", hname);
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fprintf(out_file, "%s\n\n", initcode);
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/* data definitions */
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/* func defs */
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for (i = 0; i < menu_no; i++) {
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if (do_expands && strlen(menus[i]->info->expact.code)) {
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(void)fprintf(out_file, "/*ARGSUSED*/\n"
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"static void menu_%d_expact(menudesc *menu, void *arg)\n{\n", i);
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if (menus[i]->info->expact.endwin)
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(void)fprintf(out_file, "\tendwin();\n");
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(void)fprintf(out_file, "\t%s\n}\n\n",
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menus[i]->info->expact.code);
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}
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if (strlen(menus[i]->info->postact.code)) {
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(void)fprintf(out_file, "/*ARGSUSED*/\n"
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"static void menu_%d_postact(menudesc *menu, void *arg)\n{\n", i);
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if (menus[i]->info->postact.endwin)
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(void)fprintf(out_file, "\tendwin();\n");
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(void)fprintf(out_file, "\t%s\n}\n\n",
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menus[i]->info->postact.code);
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}
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if (strlen(menus[i]->info->exitact.code)) {
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(void)fprintf(out_file, "/*ARGSUSED*/\n"
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"static void menu_%d_exitact(menudesc *menu, void *arg)\n{\n", i);
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if (menus[i]->info->exitact.endwin)
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(void)fprintf(out_file, "\tendwin();\n");
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(void)fprintf(out_file, "\t%s\n}\n\n",
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menus[i]->info->exitact.code);
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}
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j = 0;
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toptn = menus[i]->info->optns;
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for (; toptn != NULL; j++, toptn = toptn->next) {
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if (strlen(toptn->optact.code) == 0)
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continue;
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(void)fprintf(out_file, "/*ARGSUSED*/\n"
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"static int opt_act_%d_%d(menudesc *m, void *arg)\n"
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"{\n\t%s\n\treturn %s;\n}\n\n",
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i, j, toptn->optact.code,
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(toptn->doexit ? "1" : "0"));
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}
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}
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/* optentX */
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for (i = 0; i < menu_no; i++) {
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if (menus[i]->info->numopt > 53) {
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(void)fprintf(stderr, "Menu %s has "
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"too many options.\n",
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menus[i]->info->title);
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exit(1);
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}
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(void)fprintf(out_file, "static menu_ent optent%d[] = {\n", i);
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name_is_code = 0;
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for (j = 0, toptn = menus[i]->info->optns; toptn;
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toptn = toptn->next, j++) {
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name_is_code += toptn->name_is_code;
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(void)fprintf(out_file, "\t{ .opt_name = %s, "
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".opt_menu=%d, .opt_flags=%d, .opt_action=",
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toptn->name_is_code ? "0" : toptn->name,
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toptn->menu,
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(toptn->issub ? OPT_SUB : 0)
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+(toptn->doexit ? OPT_EXIT : 0)
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+(toptn->optact.endwin ? OPT_ENDWIN : 0));
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if (strlen(toptn->optact.code))
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(void)fprintf(out_file, "opt_act_%d_%d}", i, j);
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else
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(void)fprintf(out_file, "NULL}");
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(void)fprintf(out_file, "%s\n",
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(toptn->next ? "," : ""));
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}
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(void)fprintf(out_file, "\t};\n\n");
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if (name_is_code) {
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menus[i]->info->name_is_code = 1;
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fprintf(out_file, "static void menu_%d_legend("
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"menudesc *menu, int opt, void *arg)\n{\n"
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"\tswitch (opt) {\n", i);
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for (j = 0, toptn = menus[i]->info->optns; toptn;
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toptn = toptn->next, j++) {
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if (!toptn->name_is_code)
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continue;
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fprintf(out_file, "\tcase %d:\n\t\t{%s};\n"
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"\t\tbreak;\n", j, toptn->name);
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}
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fprintf(out_file, "\t}\n}\n\n");
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}
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}
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/* menus */
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if (!do_dynamic)
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(void)fprintf(out_file, "static int num_menus = %d;\n",
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menu_no);
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(void)fprintf(out_file, "static struct menudesc menu_def[] = {\n");
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for (i = 0; i < menu_no; i++) {
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(void)fprintf(out_file,
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"\t{%s,", menus[i]->info->title);
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if (do_expands)
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(void)fprintf(out_file,
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"NULL,");
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(void)fprintf(out_file,
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"%d,%d,%d,%d,%d,%d,0,0,optent%d,NULL,NULL,",
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menus[i]->info->y,
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menus[i]->info->x, menus[i]->info->h,
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menus[i]->info->w, menus[i]->info->mopt,
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menus[i]->info->numopt, i);
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if (menus[i]->info->helpstr == NULL)
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(void)fprintf(out_file, "NULL");
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else {
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tmpstr = menus[i]->info->helpstr;
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if (*tmpstr != '"')
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(void)fprintf(out_file, "%s", tmpstr);
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else {
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/* Skip an initial newline. */
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if (tmpstr[1] == '\n')
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*++tmpstr = '"';
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(void)fprintf(out_file, "\n");
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while (*tmpstr) {
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if (*tmpstr != '\n') {
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fputc(*tmpstr++, out_file);
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continue;
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}
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(void)fprintf(out_file, "\\n\"\n\"");
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tmpstr++;
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}
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}
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}
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(void)fprintf(out_file, ",");
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if (menus[i]->info->mopt & MC_NOEXITOPT)
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(void) fprintf (out_file, "NULL");
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else if (menus[i]->info->exitstr != NULL)
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(void)fprintf(out_file, "%s", menus[i]->info->exitstr);
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else
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(void)fprintf(out_file, "\"Exit\"");
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if (do_expands) {
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if (strlen(menus[i]->info->expact.code))
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(void)fprintf(out_file, ",menu_%d_expact", i);
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else
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(void)fprintf(out_file, ",NULL");
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}
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if (strlen(menus[i]->info->postact.code))
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(void)fprintf(out_file, ",menu_%d_postact", i);
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else
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(void)fprintf(out_file, ",NULL");
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if (strlen(menus[i]->info->exitact.code))
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(void)fprintf(out_file, ",menu_%d_exitact", i);
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else
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(void)fprintf(out_file, ",NULL");
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if (menus[i]->info->name_is_code)
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(void)fprintf(out_file, ",menu_%d_legend", i);
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else
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(void)fprintf(out_file, ",NULL");
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(void)fprintf(out_file, "},\n");
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}
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(void)fprintf(out_file, "{NULL");
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if (do_expands)
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(void)fprintf(out_file, ", NULL");
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(void)fprintf(out_file, ", 0, 0, 0, 0, 0, 0, 0, 0, "
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"NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL");
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if (do_expands)
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(void)fprintf(out_file, ", NULL");
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(void)fprintf(out_file, "}};\n\n");
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/* __menu_initerror: initscr failed. */
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(void)fprintf(out_file,
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"/* __menu_initerror: initscr failed. */\n"
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"void __menu_initerror (void) {\n");
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if (error_act.code == NULL) {
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(void)fprintf(out_file,
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"\t(void) fprintf (stderr, "
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"\"%%s: Could not initialize curses\\n\", "
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"getprogname());\n"
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"\texit(1);\n"
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"}\n");
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} else {
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if (error_act.endwin)
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(void)fprintf(out_file, "\tendwin();\n");
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(void)fprintf(out_file, "%s\n}\n", error_act.code);
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}
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|
|
/* Copy menu_sys.def file. */
|
|
while ((ch = fgetc(sys_file)) != '\014') /* Control-L */
|
|
fputc(ch, out_file);
|
|
|
|
if (do_dynamic) {
|
|
while ((ch = fgetc(sys_file)) != '\n')
|
|
/* skip it */;
|
|
while ((ch = fgetc(sys_file)) != EOF)
|
|
fputc(ch, out_file);
|
|
}
|
|
fclose(out_file);
|
|
fclose(sys_file);
|
|
}
|