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
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 */
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 unsigned int strhash(const char *s);
55 const char *file_lookup(const char *name);
56 void *xmalloc(size_t size);
57 void *xcalloc(size_t nmemb, size_t size);
58 void *xrealloc(void *p, size_t size);
59 char *xstrdup(const char *s);
60 char *xstrndup(const char *s, size_t n);
61
62 /* lexer.l */
63 int yylex(void);
64
65 struct gstr {
66 size_t len;
67 char *s;
68 /*
69 * when max_width is not zero long lines in string s (if any) get
70 * wrapped not to exceed the max_width value
71 */
72 int max_width;
73 };
74 struct gstr str_new(void);
75 void str_free(struct gstr *gs);
76 void str_append(struct gstr *gs, const char *s);
77 void str_printf(struct gstr *gs, const char *fmt, ...);
78 char *str_get(const struct gstr *gs);
79
80 /* menu.c */
81 struct menu *menu_next(struct menu *menu, struct menu *root);
82 #define menu_for_each_sub_entry(menu, root) \
83 for (menu = menu_next(root, root); menu; menu = menu_next(menu, root))
84 #define menu_for_each_entry(menu) \
85 menu_for_each_sub_entry(menu, &rootmenu)
86 void _menu_init(void);
87 void menu_warn(const struct menu *menu, const char *fmt, ...);
88 struct menu *menu_add_menu(void);
89 void menu_end_menu(void);
90 void menu_add_entry(struct symbol *sym);
91 void menu_add_dep(struct expr *dep);
92 void menu_add_visibility(struct expr *dep);
93 struct property *menu_add_prompt(enum prop_type type, const char *prompt,
94 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(const struct menu *menu);
105 const char *menu_get_prompt(const 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 menu *choice);
114 struct symbol *sym_calc_choice(struct menu *choice);
115 struct property *sym_get_range_prop(struct symbol *sym);
116 const char *sym_get_string_default(struct symbol *sym);
117 struct symbol *sym_check_deps(struct symbol *sym);
118 struct symbol *prop_get_symbol(const struct property *prop);
119
120 static inline tristate sym_get_tristate_value(const struct symbol *sym)
121 {
122 return sym->curr.tri;
123 }
124
125 static inline bool sym_is_choice(const struct symbol *sym)
126 {
127 /* A choice is a symbol with no name */
128 return sym->name == NULL;
129 }
130
131 bool sym_is_choice_value(const struct symbol *sym);
132
133 static inline bool sym_has_value(const struct symbol *sym)
134 {
135 return sym->flags & SYMBOL_DEF_USER ? true : false;
136 }
137
138 #ifdef __cplusplus
139 }
140 #endif
141
142 #endif /* LKC_H */
143
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