tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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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 PACKAGE
24#define PACKAGE "linux"
25#endif
26
27#ifndef CONFIG_
28#define CONFIG_ "CONFIG_"
29#endif
30static inline const char *CONFIG_prefix(void)
31{
32 return getenv( "CONFIG_" ) ?: CONFIG_;
33}
34#undef CONFIG_
35#define CONFIG_ CONFIG_prefix()
36
37enum conf_def_mode {
38 def_default,
39 def_yes,
40 def_mod,
41 def_y2m,
42 def_m2y,
43 def_no,
44 def_random
45};
46
47extern int yylineno;
48void zconfdump(FILE *out);
49void zconf_starthelp(void);
50FILE *zconf_fopen(const char *name);
51void zconf_initscan(const char *name);
52void zconf_nextfile(const char *name);
53int zconf_lineno(void);
54const char *zconf_curname(void);
55
56/* confdata.c */
57const char *conf_get_configname(void);
58void sym_set_change_count(int count);
59void sym_add_change_count(int count);
60bool conf_set_all_new_symbols(enum conf_def_mode mode);
61void conf_rewrite_mod_or_yes(enum conf_def_mode mode);
62void set_all_choice_values(struct symbol *csym);
63
64/* confdata.c and expr.c */
65static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
66{
67 assert(len != 0);
68
69 if (fwrite(str, len, count, out) != count)
70 fprintf(stderr, "Error in writing or end of file.\n");
71}
72
73/* util.c */
74struct file *file_lookup(const char *name);
75void *xmalloc(size_t size);
76void *xcalloc(size_t nmemb, size_t size);
77void *xrealloc(void *p, size_t size);
78char *xstrdup(const char *s);
79char *xstrndup(const char *s, size_t n);
80
81/* lexer.l */
82int yylex(void);
83
84struct gstr {
85 size_t len;
86 char *s;
87 /*
88 * when max_width is not zero long lines in string s (if any) get
89 * wrapped not to exceed the max_width value
90 */
91 int max_width;
92};
93struct gstr str_new(void);
94void str_free(struct gstr *gs);
95void str_append(struct gstr *gs, const char *s);
96void str_printf(struct gstr *gs, const char *fmt, ...);
97const char *str_get(struct gstr *gs);
98
99/* menu.c */
100void _menu_init(void);
101void menu_warn(struct menu *menu, const char *fmt, ...);
102struct menu *menu_add_menu(void);
103void menu_end_menu(void);
104void menu_add_entry(struct symbol *sym);
105void menu_add_dep(struct expr *dep);
106void menu_add_visibility(struct expr *dep);
107struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
108void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
109void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
110void menu_add_option_modules(void);
111void menu_add_option_defconfig_list(void);
112void menu_add_option_allnoconfig_y(void);
113void menu_finalize(struct menu *parent);
114void menu_set_type(int type);
115
116extern struct menu rootmenu;
117
118bool menu_is_empty(struct menu *menu);
119bool menu_is_visible(struct menu *menu);
120bool menu_has_prompt(struct menu *menu);
121const char *menu_get_prompt(struct menu *menu);
122struct menu *menu_get_root_menu(struct menu *menu);
123struct menu *menu_get_parent_menu(struct menu *menu);
124bool menu_has_help(struct menu *menu);
125const char *menu_get_help(struct menu *menu);
126struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
127void menu_get_ext_help(struct menu *menu, struct gstr *help);
128
129/* symbol.c */
130void sym_clear_all_valid(void);
131struct symbol *sym_choice_default(struct symbol *sym);
132struct property *sym_get_range_prop(struct symbol *sym);
133const char *sym_get_string_default(struct symbol *sym);
134struct symbol *sym_check_deps(struct symbol *sym);
135struct symbol *prop_get_symbol(struct property *prop);
136
137static inline tristate sym_get_tristate_value(struct symbol *sym)
138{
139 return sym->curr.tri;
140}
141
142
143static inline struct symbol *sym_get_choice_value(struct symbol *sym)
144{
145 return (struct symbol *)sym->curr.val;
146}
147
148static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
149{
150 return sym_set_tristate_value(chval, yes);
151}
152
153static inline bool sym_is_choice(struct symbol *sym)
154{
155 return sym->flags & SYMBOL_CHOICE ? true : false;
156}
157
158static inline bool sym_is_choice_value(struct symbol *sym)
159{
160 return sym->flags & SYMBOL_CHOICEVAL ? true : false;
161}
162
163static inline bool sym_is_optional(struct symbol *sym)
164{
165 return sym->flags & SYMBOL_OPTIONAL ? true : false;
166}
167
168static inline bool sym_has_value(struct symbol *sym)
169{
170 return sym->flags & SYMBOL_DEF_USER ? true : false;
171}
172
173#ifdef __cplusplus
174}
175#endif
176
177#endif /* LKC_H */