Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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 */