lkc.h

  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);
 43
 44/* confdata.c and expr.c */
 45static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
 46{
 47	assert(len != 0);
 48
 49	if (fwrite(str, len, count, out) != count)
 50		fprintf(stderr, "Error in writing or end of file.\n");
 51}
 52
 53/* util.c */
 54const char *file_lookup(const char *name);
 55
 56/* lexer.l */
 57int yylex(void);
 58
 59struct gstr {
 60	size_t len;
 61	char  *s;
 62	/*
 63	* when max_width is not zero long lines in string s (if any) get
 64	* wrapped not to exceed the max_width value
 65	*/
 66	int max_width;
 67};
 68struct gstr str_new(void);
 69void str_free(struct gstr *gs);
 70void str_append(struct gstr *gs, const char *s);
 71void str_printf(struct gstr *gs, const char *fmt, ...);
 72char *str_get(const struct gstr *gs);
 73
 74/* menu.c */
 75struct menu *menu_next(struct menu *menu, struct menu *root);
 76#define menu_for_each_sub_entry(menu, root) \
 77	for (menu = menu_next(root, root); menu; menu = menu_next(menu, root))
 78#define menu_for_each_entry(menu) \
 79	menu_for_each_sub_entry(menu, &rootmenu)
 80void _menu_init(void);
 81void menu_warn(const struct menu *menu, const char *fmt, ...);
 82struct menu *menu_add_menu(void);
 83void menu_end_menu(void);
 84void menu_add_entry(struct symbol *sym, enum menu_type type);
 85void menu_add_dep(struct expr *dep);
 86void menu_add_visibility(struct expr *dep);
 87struct property *menu_add_prompt(enum prop_type type, const char *prompt,
 88				 struct expr *dep);
 89void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
 90void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
 91void menu_finalize(void);
 92void menu_set_type(int type);
 93
 94extern struct menu rootmenu;
 95
 96bool menu_is_empty(struct menu *menu);
 97bool menu_is_visible(struct menu *menu);
 98bool menu_has_prompt(const struct menu *menu);
 99const char *menu_get_prompt(const struct menu *menu);
100struct menu *menu_get_parent_menu(struct menu *menu);
101struct menu *menu_get_menu_or_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);
105void menu_dump(void);
106
107/* symbol.c */
108void sym_clear_all_valid(void);
109struct symbol *sym_choice_default(struct menu *choice);
110struct symbol *sym_calc_choice(struct menu *choice);
111struct property *sym_get_range_prop(struct symbol *sym);
112const char *sym_get_string_default(struct symbol *sym);
113struct symbol *sym_check_deps(struct symbol *sym);
114struct symbol *prop_get_symbol(const struct property *prop);
115
116static inline tristate sym_get_tristate_value(const struct symbol *sym)
117{
118	return sym->curr.tri;
119}
120
121static inline bool sym_is_choice(const struct symbol *sym)
122{
123	/* A choice is a symbol with no name */
124	return sym->name == NULL;
125}
126
127bool sym_is_choice_value(const struct symbol *sym);
128
129static inline bool sym_has_value(const struct symbol *sym)
130{
131	return sym->flags & SYMBOL_DEF_USER ? true : false;
132}
133
134#ifdef __cplusplus
135}
136#endif
137
138#endif /* LKC_H */