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);
100void *xmalloc(size_t size);
101void *xcalloc(size_t nmemb, size_t size);
102void *xrealloc(void *p, size_t size);
103char *xstrdup(const char *s);
104char *xstrndup(const char *s, size_t n);
105
106struct gstr {
107	size_t len;
108	char  *s;
109	/*
110	* when max_width is not zero long lines in string s (if any) get
111	* wrapped not to exceed the max_width value
112	*/
113	int max_width;
114};
115struct gstr str_new(void);
116void str_free(struct gstr *gs);
117void str_append(struct gstr *gs, const char *s);
118void str_printf(struct gstr *gs, const char *fmt, ...);
119const char *str_get(struct gstr *gs);
120
121/* symbol.c */
122void sym_clear_all_valid(void);
123struct symbol *sym_choice_default(struct symbol *sym);
124const char *sym_get_string_default(struct symbol *sym);
125struct symbol *sym_check_deps(struct symbol *sym);
126struct property *prop_alloc(enum prop_type type, struct symbol *sym);
127struct symbol *prop_get_symbol(struct property *prop);
128
129static inline tristate sym_get_tristate_value(struct symbol *sym)
130{
131	return sym->curr.tri;
132}
133
134
135static inline struct symbol *sym_get_choice_value(struct symbol *sym)
136{
137	return (struct symbol *)sym->curr.val;
138}
139
140static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
141{
142	return sym_set_tristate_value(chval, yes);
143}
144
145static inline bool sym_is_choice(struct symbol *sym)
146{
147	return sym->flags & SYMBOL_CHOICE ? true : false;
148}
149
150static inline bool sym_is_choice_value(struct symbol *sym)
151{
152	return sym->flags & SYMBOL_CHOICEVAL ? true : false;
153}
154
155static inline bool sym_is_optional(struct symbol *sym)
156{
157	return sym->flags & SYMBOL_OPTIONAL ? true : false;
158}
159
160static inline bool sym_has_value(struct symbol *sym)
161{
162	return sym->flags & SYMBOL_DEF_USER ? true : false;
163}
164
165#ifdef __cplusplus
166}
167#endif
168
169#endif /* LKC_H */
170