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be01ce9346
Manpage for strhash functions to follow tomorrow.
532 lines
11 KiB
Plaintext
532 lines
11 KiB
Plaintext
%{
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/*-
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* Copyright (c) 1995
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* Paul Richards. All rights reserved.
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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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* verbatim and that no modifications are made prior to this
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* point in the file.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Richards.
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* 4. The name Paul Richards may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
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* 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 PAUL RICHARDS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <strhash.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <forms.h>
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#include <err.h>
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#include "internal.h"
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char *cpstr(char *);
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extern int yyleng;
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int lineno = 1;
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int charno = 1;
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int off;
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char *fieldname;
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char *defname;
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char *formname;
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char *startname;
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char *colortable;
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int formattr;
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char *text;
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char *label;
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char *function;
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char *up, *down, *left, *right, *next;
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int height, width;
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int y, x;
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int width;
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int limit;
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int attr;
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int selattr;
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int type;
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int lbl_flag;
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int selected, no_options=0;
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extern FILE *outf;
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extern hash_table *global_bindings;
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struct MenuList {
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char *option;
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struct MenuList *next;
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};
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struct MenuList *cur_menu;
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struct MenuList *menu_list;
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struct MenuList *menu;
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struct pair_node {
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char *foreground;
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char *background;
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struct pair_node *next;
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};
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struct pair_node *pair_list;
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struct pair_node *cur_pair;
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struct pair_node *pair;
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struct color_table {
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char *tablename;
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struct pair_node *pairs;
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struct color_table *next;
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};
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struct color_table *color_table;
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struct color_table *cur_table;
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struct color_table *color_tables;
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struct Form *form;
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struct Field *field_inst_list;
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struct Field *field;
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struct Field *cur_field;
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%}
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%union {
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int ival;
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char *sval;
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}
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%token <ival> FORM
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%token <ival> COLORTABLE
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%token <ival> COLOR
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%token <ival> BLACK
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%token <ival> RED
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%token <ival> GREEN
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%token <ival> YELLOW
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%token <ival> BLUE
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%token <ival> MAGENTA
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%token <ival> CYAN
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%token <ival> WHITE
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%token <ival> PAIR
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%token <sval> NAME
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%token <sval> STRING
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%token <ival> AT
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%token <ival> AS
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%token <ival> HEIGHT
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%token <ival> EQUALS
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%token <ival> NUMBER
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%token <ival> WIDTH
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%token <ival> STARTFIELD
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%token <ival> COMMA
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%token <ival> LBRACE
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%token <ival> RBRACE
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%token <ival> TEXT
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%token <ival> ATTR
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%token <ival> SELATTR
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%token <ival> DEFAULT
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%token <ival> LABEL
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%token <ival> LIMIT
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%token <ival> SELECTED
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%token <ival> OPTIONS
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%token <ival> ACTION
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%token <ival> FUNC
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%token <ival> LINK
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%token <ival> UP
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%token <ival> DOWN
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%token <ival> LEFT
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%token <ival> RIGHT
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%token <ival> NEXT
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%token <ival> DEF
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%type <sval> a_color
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%start spec
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%%
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spec: /* empty */
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| spec fields
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| spec forms
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| spec colours
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;
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colours: COLOR NAME
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{
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color_table = malloc(sizeof (struct color_table));
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if (!color_table) {
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fprintf(stderr, "Couldn't allocate memory for a color table\n");
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exit (1);
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}
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color_table->tablename = cpstr($2);
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}
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LBRACE color_pairs RBRACE
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{
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color_table->pairs = pair_list;
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cur_pair = 0;
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form_bind_tuple(global_bindings, color_table->tablename, FT_COLTAB, color_table);
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}
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;
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color_pairs: /* empty */
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| color_pairs pair
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;
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pair: PAIR EQUALS a_color
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{
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pair = malloc(sizeof (struct pair_node));
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if (!pair) {
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fprintf(stderr, "Couldn't allocate memory for a color pair\n");
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exit(1);
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}
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pair->foreground = cpstr($3);
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}
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COMMA a_color
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{
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pair->background = cpstr($6);
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if (!cur_pair) {
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pair_list = pair;
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cur_pair = pair;
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} else {
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cur_pair->next = pair;
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cur_pair = pair;
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}
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}
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;
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a_color: BLACK
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{ $$ = "COLOR_BLACK"; }
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| RED
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{ $$ = "COLOR_RED"; }
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| GREEN
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{ $$ = "COLOR_GREEN"; }
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| YELLOW
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{ $$ = "COLOR_YELLOW"; }
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| BLUE
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{ $$ = "COLOR_BLUE"; }
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| MAGENTA
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{ $$ = "COLOR_MAGENTA"; }
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| CYAN
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{ $$ = "COLOR_CYAN"; }
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| WHITE
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{ $$ = "COLOR_WHITE"; }
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;
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forms: FORM NAME
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{ formname = cpstr($2); }
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AT coord
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{
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form = malloc(sizeof (struct Form));
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if (!form) {
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fprintf(stderr,"Failed to allocate memory for form\n");
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exit(1);
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}
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form->bindings = hash_create(0);
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if (!form->bindings)
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errx(1, "Failed to allocate hash table for form");
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form->y = y;
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form->x = x;
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}
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LBRACE formspec RBRACE
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{
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form->startfield = startname;
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form->colortable = colortable;
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form->height = height;
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form->width = width;
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form->attr = formattr;
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form_bind_tuple(global_bindings, formname, FT_FORM, form);
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}
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;
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formspec: height width startfield colortable formattr fieldlocs
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;
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startfield: /* empty */
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{ startname = 0;
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printf("Warning: No start field specified for form %s\n", formname);
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}
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| STARTFIELD EQUALS NAME
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{ startname = cpstr($3); }
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;
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colortable: /*empty */
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{ colortable = 0; }
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| COLORTABLE EQUALS NAME
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{ colortable = cpstr($3); }
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;
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formattr: /* empty */
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{ formattr = 0; }
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| ATTR EQUALS NUMBER
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{ formattr = $3; }
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;
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fieldlocs: /* empty */
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| fieldlocs field_at
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;
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field_at: NAME
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{ fieldname = cpstr($1); }
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field_def AT coord
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{
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field = malloc(sizeof (struct Field));
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if (!field) {
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fprintf(stderr,"Failed to allocate memory for form field\n");
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exit(1);
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}
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if (!defname)
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field->defname = fieldname;
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else
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field->defname = defname;
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field->y = y;
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field->x = x;
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}
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links
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{
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field->fup = up;
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field->fdown = down;
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field->fleft = left;
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field->fright = right;
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field->fnext = next;
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up = 0;
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down = 0;
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left = 0;
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right = 0;
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next = 0;
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form_bind_tuple(form->bindings, fieldname, FT_FIELD_INST, field);
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}
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;
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fields: NAME
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{ defname = cpstr($1); }
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field_spec
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{ define_field(defname); }
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;
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field_def: /* empty */
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{ defname = 0; }
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| LBRACE NAME
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{ defname = cpstr($2); }
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RBRACE
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| field_spec
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{ defname = fieldname; define_field(defname); }
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;
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field_spec: LBRACE height width attr selattr type RBRACE
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;
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links: /* empty */
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| links COMMA conns
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;
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conns: UP EQUALS NAME
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{ up = cpstr($3); }
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| DOWN EQUALS NAME
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{ down = cpstr($3); }
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| LEFT EQUALS NAME
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{ left = cpstr($3); }
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| RIGHT EQUALS NAME
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{ right = cpstr($3); }
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| NEXT EQUALS NAME
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{ next = cpstr($3); }
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;
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type: textfield
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| inputfield
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| menufield
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| actionfield
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;
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textfield: TEXT EQUALS STRING
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{ type = FF_TEXT; text = cpstr($3); }
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;
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inputfield: inputspec
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{ type = FF_INPUT; }
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;
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inputspec: LABEL EQUALS STRING limit
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{ lbl_flag = 1; label = cpstr($3); }
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| DEFAULT EQUALS STRING limit
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{ lbl_flag = 0; label = cpstr($3); }
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;
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limit: /* empty */
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| LIMIT EQUALS NUMBER
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{ limit = $3; }
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menufield: SELECTED EQUALS NUMBER OPTIONS EQUALS menuoptions
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{ type = FF_MENU; selected = $3; }
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;
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menuoptions: menuoption
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| menuoptions COMMA menuoption
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;
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menuoption: STRING
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{
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menu = malloc(sizeof(struct MenuList));
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if (!menu) {
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err(1, "Couldn't allocate memory for menu option\n");
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}
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menu->option = cpstr($1);
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if (!cur_menu) {
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menu_list = menu;
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cur_menu = menu;
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} else {
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cur_menu->next = menu;
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cur_menu = menu;
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}
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}
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;
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actionfield: ACTION EQUALS STRING FUNC EQUALS NAME
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{ type = FF_ACTION; text = cpstr($3); function = cpstr($6); }
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;
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height: /* empty */
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{ height = 0; }
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| HEIGHT EQUALS NUMBER
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{ height = $3; }
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;
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width: /* empty */
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{ width = 0; }
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| WIDTH EQUALS NUMBER
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{ width = $3; }
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;
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attr: /* empty */
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{ attr = 0; }
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| ATTR EQUALS NUMBER
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{ attr = $3; }
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;
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selattr: /* empty */
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{ selattr = 0; }
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| SELATTR EQUALS NUMBER
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{ selattr = $3; }
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;
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coord: NUMBER COMMA NUMBER
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{ y = $1; x = $3; }
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;
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%%
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void
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yyerror (char *error)
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{
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fprintf(stderr, "%s at line %d\n",error, lineno);
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exit(1);
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}
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char *
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cpstr(char *ostr)
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{
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char *nstr;
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nstr = malloc(strlen(ostr)+1);
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if (!nstr) {
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fprintf(stderr, "Couldn't allocate memory for string\n");
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exit(1);
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}
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strcpy(nstr, ostr);
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return (nstr);
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}
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void
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define_field(char *defname)
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{
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struct Field *field;
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struct MenuList *menu_options;
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int no_options;
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field = malloc(sizeof (struct Field));
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if (!field) {
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fprintf(stderr,"Failed to allocate memory for form field\n");
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exit(1);
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}
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field->defname = defname;
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field->type = type;
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field->height = height;
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field->width = width;
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field->attr = attr;
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field->selattr = selattr;
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switch (type) {
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case FF_TEXT:
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field->field.text = malloc(sizeof (struct TextField));
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if (!field->field.text) {
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fprintf(stderr,
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"Failed to allocate memory for text field\n");
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exit (1);
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}
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field->field.text->text = text;
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break;
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case FF_INPUT:
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field->field.input = malloc(sizeof (struct InputField));
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if (!field->field.input) {
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fprintf(stderr,
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"Failed to allocate memory for input field\n");
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exit (1);
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}
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field->field.input->lbl_flag = lbl_flag;
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field->field.input->label = label;
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field->field.input->limit = limit;
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break;
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case FF_MENU:
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printf("field type %s = %d\n", defname,field->type);
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field->field.menu = malloc(sizeof (struct MenuField));
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if (!field->field.menu) {
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fprintf(stderr,
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"Failed to allocate memory for menu field\n");
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exit (1);
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}
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field->field.menu->selected = selected;
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menu_options = menu_list;
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field->field.menu->no_options = 0;
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field->field.menu->options = 0;
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for (; menu_options; menu_options = menu_options->next) {
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no_options = add_menu_option(field->field.menu,
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menu_options->option);
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if (!no_options)
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err(1, "Couldn't add menu option");
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}
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field->field.menu->no_options = no_options;
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cur_menu = 0;
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break;
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case FF_ACTION:
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field->field.action = malloc(sizeof (struct ActionField));
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if (!field->field.action) {
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fprintf(stderr,
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"Failed to allocate memory for action field\n");
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exit (1);
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}
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field->field.action->text = text;
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field->field.action->fn = (void *) function;
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break;
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default:
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break;
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}
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form_bind_tuple(global_bindings, defname, FT_FIELD_DEF, field);
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width=0;
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height = 0;
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attr=0;
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selattr=0;
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limit=0;
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}
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