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 const char *file_lookup(const char *name, 55 const char *parent_name, int parent_lineno); 56 57 /* lexer.l */ 58 int yylex(void); 59 60 struct gstr { 61 size_t len; 62 char *s; 63 /* 64 * when max_width is not zero long lines in string s (if any) get 65 * wrapped not to exceed the max_width value 66 */ 67 int max_width; 68 }; 69 struct gstr str_new(void); 70 void str_free(struct gstr *gs); 71 void str_append(struct gstr *gs, const char *s); 72 void str_printf(struct gstr *gs, const char *fmt, ...); 73 char *str_get(const struct gstr *gs); 74 75 /* menu.c */ 76 struct menu *menu_next(struct menu *menu, struct menu *root); 77 #define menu_for_each_sub_entry(menu, root) \ 78 for (menu = menu_next(root, root); menu; menu = menu_next(menu, root)) 79 #define menu_for_each_entry(menu) \ 80 menu_for_each_sub_entry(menu, &rootmenu) 81 void _menu_init(void); 82 void menu_warn(const struct menu *menu, const char *fmt, ...); 83 struct menu *menu_add_menu(void); 84 void menu_end_menu(void); 85 void menu_add_entry(struct symbol *sym, enum menu_type type); 86 void menu_add_dep(struct expr *dep, struct expr *cond); 87 void menu_add_visibility(struct expr *dep); 88 struct property *menu_add_prompt(enum prop_type type, const char *prompt, 89 struct expr *dep); 90 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); 91 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); 92 void menu_finalize(void); 93 void menu_set_type(int type); 94 95 extern struct menu rootmenu; 96 97 bool menu_is_empty(struct menu *menu); 98 bool menu_is_visible(struct menu *menu); 99 bool menu_has_prompt(const struct menu *menu); 100 const char *menu_get_prompt(const struct menu *menu); 101 struct menu *menu_get_parent_menu(struct menu *menu); 102 struct menu *menu_get_menu_or_parent_menu(struct menu *menu); 103 int get_jump_key_char(void); 104 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); 105 void menu_get_ext_help(struct menu *menu, struct gstr *help); 106 void menu_dump(void); 107 108 /* symbol.c */ 109 void sym_clear_all_valid(void); 110 struct symbol *sym_choice_default(struct menu *choice); 111 struct symbol *sym_calc_choice(struct menu *choice); 112 struct property *sym_get_range_prop(struct symbol *sym); 113 const char *sym_get_string_default(struct symbol *sym); 114 struct symbol *sym_check_deps(struct symbol *sym); 115 struct symbol *prop_get_symbol(const struct property *prop); 116 117 static inline tristate sym_get_tristate_value(const struct symbol *sym) 118 { 119 return sym->curr.tri; 120 } 121 122 static inline bool sym_is_choice(const struct symbol *sym) 123 { 124 /* A choice is a symbol with no name */ 125 return sym->name == NULL; 126 } 127 128 bool sym_is_choice_value(const struct symbol *sym); 129 130 static inline bool sym_has_value(const struct symbol *sym) 131 { 132 return sym->flags & SYMBOL_DEF_USER ? true : false; 133 } 134 135 #ifdef __cplusplus 136 } 137 #endif 138 139 #endif /* LKC_H */ 140