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
16 extern "C" {
17 #endif
18
19 #include "lkc_proto.h"
20
21 #define SRCTREE "srctree"
22
23 #ifndef CONFIG_
24 #define CONFIG_ "CONFIG_"
25 #endif
CONFIG_prefix(void)26 static inline const char *CONFIG_prefix(void)
27 {
28 return getenv( "CONFIG_" ) ?: CONFIG_;
29 }
30 #undef CONFIG_
31 #define CONFIG_ CONFIG_prefix()
32
33 extern int yylineno;
34 void zconfdump(FILE *out);
35 void zconf_starthelp(void);
36 FILE *zconf_fopen(const char *name);
37 void zconf_initscan(const char *name);
38 void zconf_nextfile(const char *name);
39
40 /* confdata.c */
41 extern struct gstr autoconf_cmd;
42 const char *conf_get_configname(void);
43
44 /* confdata.c and expr.c */
xfwrite(const void * str,size_t len,size_t count,FILE * out)45 static 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 */
54 const char *file_lookup(const char *name);
55
56 /* lexer.l */
57 int yylex(void);
58
59 struct 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 };
68 struct gstr str_new(void);
69 void str_free(struct gstr *gs);
70 void str_append(struct gstr *gs, const char *s);
71 void str_printf(struct gstr *gs, const char *fmt, ...);
72 char *str_get(const struct gstr *gs);
73
74 /* menu.c */
75 struct 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)
80 void _menu_init(void);
81 void menu_warn(const struct menu *menu, const char *fmt, ...);
82 struct menu *menu_add_menu(void);
83 void menu_end_menu(void);
84 void menu_add_entry(struct symbol *sym, enum menu_type type);
85 void menu_add_dep(struct expr *dep);
86 void menu_add_visibility(struct expr *dep);
87 struct property *menu_add_prompt(enum prop_type type, const char *prompt,
88 struct expr *dep);
89 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
90 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
91 void menu_finalize(void);
92 void menu_set_type(int type);
93
94 extern struct menu rootmenu;
95
96 bool menu_is_empty(struct menu *menu);
97 bool menu_is_visible(struct menu *menu);
98 bool menu_has_prompt(const struct menu *menu);
99 const char *menu_get_prompt(const struct menu *menu);
100 struct menu *menu_get_parent_menu(struct menu *menu);
101 struct menu *menu_get_menu_or_parent_menu(struct menu *menu);
102 int get_jump_key_char(void);
103 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
104 void menu_get_ext_help(struct menu *menu, struct gstr *help);
105 void menu_dump(void);
106
107 /* symbol.c */
108 void sym_clear_all_valid(void);
109 struct symbol *sym_choice_default(struct menu *choice);
110 struct symbol *sym_calc_choice(struct menu *choice);
111 struct property *sym_get_range_prop(struct symbol *sym);
112 const char *sym_get_string_default(struct symbol *sym);
113 struct symbol *sym_check_deps(struct symbol *sym);
114 struct symbol *prop_get_symbol(const struct property *prop);
115
sym_get_tristate_value(const struct symbol * sym)116 static inline tristate sym_get_tristate_value(const struct symbol *sym)
117 {
118 return sym->curr.tri;
119 }
120
sym_is_choice(const struct symbol * sym)121 static 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
127 bool sym_is_choice_value(const struct symbol *sym);
128
sym_has_value(const struct symbol * sym)129 static 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 */
139