1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
4 */
5
6#ifndef LKC_H
7#define LKC_H
8
9#include <assert.h>
10#include <stdio.h>
11#include <stdlib.h>
12
13#include "expr.h"
14
15#ifdef __cplusplus
16extern "C" {
17#endif
18
19#include "lkc_proto.h"
20
21#define SRCTREE "srctree"
22
23#ifndef CONFIG_
24#define CONFIG_ "CONFIG_"
25#endif
26static inline const char *CONFIG_prefix(void)
27{
28	return getenv( "CONFIG_" ) ?: CONFIG_;
29}
30#undef CONFIG_
31#define CONFIG_ CONFIG_prefix()
32
33extern int yylineno;
34void zconfdump(FILE *out);
35void zconf_starthelp(void);
36FILE *zconf_fopen(const char *name);
37void zconf_initscan(const char *name);
38void zconf_nextfile(const char *name);
39
40/* confdata.c */
41extern struct gstr autoconf_cmd;
42const char *conf_get_configname(void);
43void set_all_choice_values(struct symbol *csym);
44
45/* confdata.c and expr.c */
46static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
47{
48	assert(len != 0);
49
50	if (fwrite(str, len, count, out) != count)
51		fprintf(stderr, "Error in writing or end of file.\n");
52}
53
54/* util.c */
55unsigned int strhash(const char *s);
56const char *file_lookup(const char *name);
57void *xmalloc(size_t size);
58void *xcalloc(size_t nmemb, size_t size);
59void *xrealloc(void *p, size_t size);
60char *xstrdup(const char *s);
61char *xstrndup(const char *s, size_t n);
62
63/* lexer.l */
64int yylex(void);
65
66struct gstr {
67	size_t len;
68	char  *s;
69	/*
70	* when max_width is not zero long lines in string s (if any) get
71	* wrapped not to exceed the max_width value
72	*/
73	int max_width;
74};
75struct gstr str_new(void);
76void str_free(struct gstr *gs);
77void str_append(struct gstr *gs, const char *s);
78void str_printf(struct gstr *gs, const char *fmt, ...);
79char *str_get(struct gstr *gs);
80
81/* menu.c */
82void _menu_init(void);
83void menu_warn(struct menu *menu, const char *fmt, ...);
84struct menu *menu_add_menu(void);
85void menu_end_menu(void);
86void menu_add_entry(struct symbol *sym);
87void menu_add_dep(struct expr *dep);
88void menu_add_visibility(struct expr *dep);
89struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
90void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
91void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
92void menu_finalize(void);
93void menu_set_type(int type);
94
95extern struct menu rootmenu;
96
97bool menu_is_empty(struct menu *menu);
98bool menu_is_visible(struct menu *menu);
99bool menu_has_prompt(struct menu *menu);
100const char *menu_get_prompt(struct menu *menu);
101struct menu *menu_get_parent_menu(struct menu *menu);
102int get_jump_key_char(void);
103struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
104void menu_get_ext_help(struct menu *menu, struct gstr *help);
105
106/* symbol.c */
107void sym_clear_all_valid(void);
108struct symbol *sym_choice_default(struct symbol *sym);
109struct property *sym_get_range_prop(struct symbol *sym);
110const char *sym_get_string_default(struct symbol *sym);
111struct symbol *sym_check_deps(struct symbol *sym);
112struct symbol *prop_get_symbol(struct property *prop);
113
114static inline tristate sym_get_tristate_value(struct symbol *sym)
115{
116	return sym->curr.tri;
117}
118
119
120static inline struct symbol *sym_get_choice_value(struct symbol *sym)
121{
122	return (struct symbol *)sym->curr.val;
123}
124
125static inline bool sym_is_choice(struct symbol *sym)
126{
127	return sym->flags & SYMBOL_CHOICE ? true : false;
128}
129
130static inline bool sym_is_choice_value(struct symbol *sym)
131{
132	return sym->flags & SYMBOL_CHOICEVAL ? true : false;
133}
134
135static inline bool sym_is_optional(struct symbol *sym)
136{
137	return sym->flags & SYMBOL_OPTIONAL ? true : false;
138}
139
140static inline bool sym_has_value(struct symbol *sym)
141{
142	return sym->flags & SYMBOL_DEF_USER ? true : false;
143}
144
145#ifdef __cplusplus
146}
147#endif
148
149#endif /* LKC_H */
150