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 void set_all_choice_values(struct symbol *csym);
44
45 /* confdata.c and expr.c */
xfwrite(const void * str,size_t len,size_t count,FILE * out)46 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
47 {
48 assert(len != 0);
49
50 if (fwrite(str, len, count, out) != count)
51 fprintf(stderr, "Error in writing or end of file.\n");
52 }
53
54 /* util.c */
55 unsigned int strhash(const char *s);
56 const char *file_lookup(const char *name);
57 void *xmalloc(size_t size);
58 void *xcalloc(size_t nmemb, size_t size);
59 void *xrealloc(void *p, size_t size);
60 char *xstrdup(const char *s);
61 char *xstrndup(const char *s, size_t n);
62
63 /* lexer.l */
64 int yylex(void);
65
66 struct gstr {
67 size_t len;
68 char *s;
69 /*
70 * when max_width is not zero long lines in string s (if any) get
71 * wrapped not to exceed the max_width value
72 */
73 int max_width;
74 };
75 struct gstr str_new(void);
76 void str_free(struct gstr *gs);
77 void str_append(struct gstr *gs, const char *s);
78 void str_printf(struct gstr *gs, const char *fmt, ...);
79 char *str_get(struct gstr *gs);
80
81 /* menu.c */
82 struct menu *menu_next(struct menu *menu, struct menu *root);
83 #define menu_for_each_sub_entry(menu, root) \
84 for (menu = menu_next(root, root); menu; menu = menu_next(menu, root))
85 #define menu_for_each_entry(menu) \
86 menu_for_each_sub_entry(menu, &rootmenu)
87 void _menu_init(void);
88 void menu_warn(struct menu *menu, const char *fmt, ...);
89 struct menu *menu_add_menu(void);
90 void menu_end_menu(void);
91 void menu_add_entry(struct symbol *sym);
92 void menu_add_dep(struct expr *dep);
93 void menu_add_visibility(struct expr *dep);
94 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
95 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
96 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
97 void menu_finalize(void);
98 void menu_set_type(int type);
99
100 extern struct menu rootmenu;
101
102 bool menu_is_empty(struct menu *menu);
103 bool menu_is_visible(struct menu *menu);
104 bool menu_has_prompt(struct menu *menu);
105 const char *menu_get_prompt(struct menu *menu);
106 struct menu *menu_get_parent_menu(struct menu *menu);
107 int get_jump_key_char(void);
108 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
109 void menu_get_ext_help(struct menu *menu, struct gstr *help);
110
111 /* symbol.c */
112 void sym_clear_all_valid(void);
113 struct symbol *sym_choice_default(struct symbol *sym);
114 struct property *sym_get_range_prop(struct symbol *sym);
115 const char *sym_get_string_default(struct symbol *sym);
116 struct symbol *sym_check_deps(struct symbol *sym);
117 struct symbol *prop_get_symbol(struct property *prop);
118
sym_get_tristate_value(struct symbol * sym)119 static inline tristate sym_get_tristate_value(struct symbol *sym)
120 {
121 return sym->curr.tri;
122 }
123
124
sym_get_choice_value(struct symbol * sym)125 static inline struct symbol *sym_get_choice_value(struct symbol *sym)
126 {
127 return (struct symbol *)sym->curr.val;
128 }
129
sym_is_choice(struct symbol * sym)130 static inline bool sym_is_choice(struct symbol *sym)
131 {
132 /* A choice is a symbol with no name */
133 return sym->name == NULL;
134 }
135
sym_is_choice_value(struct symbol * sym)136 static inline bool sym_is_choice_value(struct symbol *sym)
137 {
138 return sym->flags & SYMBOL_CHOICEVAL ? true : false;
139 }
140
sym_has_value(struct symbol * sym)141 static inline bool sym_has_value(struct symbol *sym)
142 {
143 return sym->flags & SYMBOL_DEF_USER ? true : false;
144 }
145
146 #ifdef __cplusplus
147 }
148 #endif
149
150 #endif /* LKC_H */
151