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 "expr.h" 10 11 #ifdef __cplusplus 12 extern "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 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 enum conf_def_mode { 34 def_default, 35 def_yes, 36 def_mod, 37 def_y2m, 38 def_m2y, 39 def_no, 40 def_random 41 }; 42 43 extern int yylineno; 44 void zconfdump(FILE *out); 45 void zconf_starthelp(void); 46 FILE *zconf_fopen(const char *name); 47 void zconf_initscan(const char *name); 48 void zconf_nextfile(const char *name); 49 int zconf_lineno(void); 50 const char *zconf_curname(void); 51 52 /* confdata.c */ 53 const char *conf_get_configname(void); 54 void sym_set_change_count(int count); 55 void sym_add_change_count(int count); 56 bool conf_set_all_new_symbols(enum conf_def_mode mode); 57 void conf_rewrite_mod_or_yes(enum conf_def_mode mode); 58 void set_all_choice_values(struct symbol *csym); 59 60 /* confdata.c and expr.c */ 61 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) 62 { 63 assert(len != 0); 64 65 if (fwrite(str, len, count, out) != count) 66 fprintf(stderr, "Error in writing or end of file.\n"); 67 } 68 69 /* util.c */ 70 struct file *file_lookup(const char *name); 71 void *xmalloc(size_t size); 72 void *xcalloc(size_t nmemb, size_t size); 73 void *xrealloc(void *p, size_t size); 74 char *xstrdup(const char *s); 75 char *xstrndup(const char *s, size_t n); 76 77 /* lexer.l */ 78 int yylex(void); 79 80 struct gstr { 81 size_t len; 82 char *s; 83 /* 84 * when max_width is not zero long lines in string s (if any) get 85 * wrapped not to exceed the max_width value 86 */ 87 int max_width; 88 }; 89 struct gstr str_new(void); 90 void str_free(struct gstr *gs); 91 void str_append(struct gstr *gs, const char *s); 92 void str_printf(struct gstr *gs, const char *fmt, ...); 93 const char *str_get(struct gstr *gs); 94 95 /* menu.c */ 96 void _menu_init(void); 97 void menu_warn(struct menu *menu, const char *fmt, ...); 98 struct menu *menu_add_menu(void); 99 void menu_end_menu(void); 100 void menu_add_entry(struct symbol *sym); 101 void menu_add_dep(struct expr *dep); 102 void menu_add_visibility(struct expr *dep); 103 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); 104 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); 105 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); 106 void menu_add_option_modules(void); 107 void menu_add_option_defconfig_list(void); 108 void menu_add_option_allnoconfig_y(void); 109 void menu_finalize(struct menu *parent); 110 void menu_set_type(int type); 111 112 extern struct menu rootmenu; 113 114 bool menu_is_empty(struct menu *menu); 115 bool menu_is_visible(struct menu *menu); 116 bool menu_has_prompt(struct menu *menu); 117 const char *menu_get_prompt(struct menu *menu); 118 struct menu *menu_get_root_menu(struct menu *menu); 119 struct menu *menu_get_parent_menu(struct menu *menu); 120 bool menu_has_help(struct menu *menu); 121 const char *menu_get_help(struct menu *menu); 122 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); 123 void menu_get_ext_help(struct menu *menu, struct gstr *help); 124 125 /* symbol.c */ 126 void sym_clear_all_valid(void); 127 struct symbol *sym_choice_default(struct symbol *sym); 128 struct property *sym_get_range_prop(struct symbol *sym); 129 const char *sym_get_string_default(struct symbol *sym); 130 struct symbol *sym_check_deps(struct symbol *sym); 131 struct symbol *prop_get_symbol(struct property *prop); 132 133 static inline tristate sym_get_tristate_value(struct symbol *sym) 134 { 135 return sym->curr.tri; 136 } 137 138 139 static inline struct symbol *sym_get_choice_value(struct symbol *sym) 140 { 141 return (struct symbol *)sym->curr.val; 142 } 143 144 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval) 145 { 146 return sym_set_tristate_value(chval, yes); 147 } 148 149 static inline bool sym_is_choice(struct symbol *sym) 150 { 151 return sym->flags & SYMBOL_CHOICE ? true : false; 152 } 153 154 static inline bool sym_is_choice_value(struct symbol *sym) 155 { 156 return sym->flags & SYMBOL_CHOICEVAL ? true : false; 157 } 158 159 static inline bool sym_is_optional(struct symbol *sym) 160 { 161 return sym->flags & SYMBOL_OPTIONAL ? true : false; 162 } 163 164 static inline bool sym_has_value(struct symbol *sym) 165 { 166 return sym->flags & SYMBOL_DEF_USER ? true : false; 167 } 168 169 #ifdef __cplusplus 170 } 171 #endif 172 173 #endif /* LKC_H */ 174