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 "expr.h"
10
11#ifdef __cplusplus
12extern "C" {
13#endif
14
15#include "lkc_proto.h"
16
17#define SRCTREE "srctree"
18
19#ifndef PACKAGE
20#define PACKAGE "linux"
21#endif
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
33enum conf_def_mode {
34 def_default,
35 def_yes,
36 def_mod,
37 def_no,
38 def_random
39};
40
41extern int yylineno;
42void zconfdump(FILE *out);
43void zconf_starthelp(void);
44FILE *zconf_fopen(const char *name);
45void zconf_initscan(const char *name);
46void zconf_nextfile(const char *name);
47int zconf_lineno(void);
48const char *zconf_curname(void);
49
50/* confdata.c */
51const char *conf_get_configname(void);
52void sym_set_change_count(int count);
53void sym_add_change_count(int count);
54bool conf_set_all_new_symbols(enum conf_def_mode mode);
55void set_all_choice_values(struct symbol *csym);
56
57/* confdata.c and expr.c */
58static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
59{
60 assert(len != 0);
61
62 if (fwrite(str, len, count, out) != count)
63 fprintf(stderr, "Error in writing or end of file.\n");
64}
65
66/* menu.c */
67void _menu_init(void);
68void menu_warn(struct menu *menu, const char *fmt, ...);
69struct menu *menu_add_menu(void);
70void menu_end_menu(void);
71void menu_add_entry(struct symbol *sym);
72void menu_add_dep(struct expr *dep);
73void menu_add_visibility(struct expr *dep);
74struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
75void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
76void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
77void menu_add_option_modules(void);
78void menu_add_option_defconfig_list(void);
79void menu_add_option_allnoconfig_y(void);
80void menu_finalize(struct menu *parent);
81void menu_set_type(int type);
82
83/* util.c */
84struct file *file_lookup(const char *name);
85void *xmalloc(size_t size);
86void *xcalloc(size_t nmemb, size_t size);
87void *xrealloc(void *p, size_t size);
88char *xstrdup(const char *s);
89char *xstrndup(const char *s, size_t n);
90
91/* lexer.l */
92int yylex(void);
93
94struct gstr {
95 size_t len;
96 char *s;
97 /*
98 * when max_width is not zero long lines in string s (if any) get
99 * wrapped not to exceed the max_width value
100 */
101 int max_width;
102};
103struct gstr str_new(void);
104void str_free(struct gstr *gs);
105void str_append(struct gstr *gs, const char *s);
106void str_printf(struct gstr *gs, const char *fmt, ...);
107const char *str_get(struct gstr *gs);
108
109/* symbol.c */
110void sym_clear_all_valid(void);
111struct symbol *sym_choice_default(struct symbol *sym);
112struct property *sym_get_range_prop(struct symbol *sym);
113const char *sym_get_string_default(struct symbol *sym);
114struct symbol *sym_check_deps(struct symbol *sym);
115struct property *prop_alloc(enum prop_type type, struct symbol *sym);
116struct symbol *prop_get_symbol(struct property *prop);
117
118static inline tristate sym_get_tristate_value(struct symbol *sym)
119{
120 return sym->curr.tri;
121}
122
123
124static inline struct symbol *sym_get_choice_value(struct symbol *sym)
125{
126 return (struct symbol *)sym->curr.val;
127}
128
129static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
130{
131 return sym_set_tristate_value(chval, yes);
132}
133
134static inline bool sym_is_choice(struct symbol *sym)
135{
136 return sym->flags & SYMBOL_CHOICE ? true : false;
137}
138
139static inline bool sym_is_choice_value(struct symbol *sym)
140{
141 return sym->flags & SYMBOL_CHOICEVAL ? true : false;
142}
143
144static inline bool sym_is_optional(struct symbol *sym)
145{
146 return sym->flags & SYMBOL_OPTIONAL ? true : false;
147}
148
149static inline bool sym_has_value(struct symbol *sym)
150{
151 return sym->flags & SYMBOL_DEF_USER ? true : false;
152}
153
154#ifdef __cplusplus
155}
156#endif
157
158#endif /* LKC_H */