tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
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
33#define TF_COMMAND 0x0001
34#define TF_PARAM 0x0002
35#define TF_OPTION 0x0004
36
37enum conf_def_mode {
38 def_default,
39 def_yes,
40 def_mod,
41 def_no,
42 def_random
43};
44
45#define T_OPT_MODULES 1
46#define T_OPT_DEFCONFIG_LIST 2
47#define T_OPT_ALLNOCONFIG_Y 4
48
49struct kconf_id {
50 const char *name;
51 int token;
52 unsigned int flags;
53 enum symbol_type stype;
54};
55
56extern int yylineno;
57void zconfdump(FILE *out);
58void zconf_starthelp(void);
59FILE *zconf_fopen(const char *name);
60void zconf_initscan(const char *name);
61void zconf_nextfile(const char *name);
62int zconf_lineno(void);
63const char *zconf_curname(void);
64
65/* confdata.c */
66const char *conf_get_configname(void);
67const char *conf_get_autoconfig_name(void);
68char *conf_get_default_confname(void);
69void sym_set_change_count(int count);
70void sym_add_change_count(int count);
71bool conf_set_all_new_symbols(enum conf_def_mode mode);
72void set_all_choice_values(struct symbol *csym);
73
74/* confdata.c and expr.c */
75static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
76{
77 assert(len != 0);
78
79 if (fwrite(str, len, count, out) != count)
80 fprintf(stderr, "Error in writing or end of file.\n");
81}
82
83/* menu.c */
84void _menu_init(void);
85void menu_warn(struct menu *menu, const char *fmt, ...);
86struct menu *menu_add_menu(void);
87void menu_end_menu(void);
88void menu_add_entry(struct symbol *sym);
89void menu_add_dep(struct expr *dep);
90void menu_add_visibility(struct expr *dep);
91struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
92void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
93void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
94void menu_add_option(int token, char *arg);
95void menu_finalize(struct menu *parent);
96void menu_set_type(int type);
97
98/* util.c */
99struct file *file_lookup(const char *name);
100int file_write_dep(const char *name);
101void *xmalloc(size_t size);
102void *xcalloc(size_t nmemb, size_t size);
103void *xrealloc(void *p, size_t size);
104char *xstrdup(const char *s);
105char *xstrndup(const char *s, size_t n);
106
107struct gstr {
108 size_t len;
109 char *s;
110 /*
111 * when max_width is not zero long lines in string s (if any) get
112 * wrapped not to exceed the max_width value
113 */
114 int max_width;
115};
116struct gstr str_new(void);
117void str_free(struct gstr *gs);
118void str_append(struct gstr *gs, const char *s);
119void str_printf(struct gstr *gs, const char *fmt, ...);
120const char *str_get(struct gstr *gs);
121
122/* symbol.c */
123void sym_clear_all_valid(void);
124struct symbol *sym_choice_default(struct symbol *sym);
125const char *sym_get_string_default(struct symbol *sym);
126struct symbol *sym_check_deps(struct symbol *sym);
127struct property *prop_alloc(enum prop_type type, struct symbol *sym);
128struct symbol *prop_get_symbol(struct property *prop);
129struct property *sym_get_env_prop(struct symbol *sym);
130
131static inline tristate sym_get_tristate_value(struct symbol *sym)
132{
133 return sym->curr.tri;
134}
135
136
137static inline struct symbol *sym_get_choice_value(struct symbol *sym)
138{
139 return (struct symbol *)sym->curr.val;
140}
141
142static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
143{
144 return sym_set_tristate_value(chval, yes);
145}
146
147static inline bool sym_is_choice(struct symbol *sym)
148{
149 return sym->flags & SYMBOL_CHOICE ? true : false;
150}
151
152static inline bool sym_is_choice_value(struct symbol *sym)
153{
154 return sym->flags & SYMBOL_CHOICEVAL ? true : false;
155}
156
157static inline bool sym_is_optional(struct symbol *sym)
158{
159 return sym->flags & SYMBOL_OPTIONAL ? true : false;
160}
161
162static inline bool sym_has_value(struct symbol *sym)
163{
164 return sym->flags & SYMBOL_DEF_USER ? true : false;
165}
166
167#ifdef __cplusplus
168}
169#endif
170
171#endif /* LKC_H */