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 PACKAGE 24 #define PACKAGE "linux" 25 #endif 26 27 #ifndef CONFIG_ 28 #define CONFIG_ "CONFIG_" 29 #endif 30 static inline const char *CONFIG_prefix(void) 31 { 32 return getenv( "CONFIG_" ) ?: CONFIG_; 33 } 34 #undef CONFIG_ 35 #define CONFIG_ CONFIG_prefix() 36 37 enum conf_def_mode { 38 def_default, 39 def_yes, 40 def_mod, 41 def_y2m, 42 def_m2y, 43 def_no, 44 def_random 45 }; 46 47 extern int yylineno; 48 void zconfdump(FILE *out); 49 void zconf_starthelp(void); 50 FILE *zconf_fopen(const char *name); 51 void zconf_initscan(const char *name); 52 void zconf_nextfile(const char *name); 53 int zconf_lineno(void); 54 const char *zconf_curname(void); 55 56 /* confdata.c */ 57 const char *conf_get_configname(void); 58 void sym_set_change_count(int count); 59 void sym_add_change_count(int count); 60 bool conf_set_all_new_symbols(enum conf_def_mode mode); 61 void conf_rewrite_mod_or_yes(enum conf_def_mode mode); 62 void set_all_choice_values(struct symbol *csym); 63 64 /* confdata.c and expr.c */ 65 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) 66 { 67 assert(len != 0); 68 69 if (fwrite(str, len, count, out) != count) 70 fprintf(stderr, "Error in writing or end of file.\n"); 71 } 72 73 /* util.c */ 74 struct file *file_lookup(const char *name); 75 void *xmalloc(size_t size); 76 void *xcalloc(size_t nmemb, size_t size); 77 void *xrealloc(void *p, size_t size); 78 char *xstrdup(const char *s); 79 char *xstrndup(const char *s, size_t n); 80 81 /* lexer.l */ 82 int yylex(void); 83 84 struct gstr { 85 size_t len; 86 char *s; 87 /* 88 * when max_width is not zero long lines in string s (if any) get 89 * wrapped not to exceed the max_width value 90 */ 91 int max_width; 92 }; 93 struct gstr str_new(void); 94 void str_free(struct gstr *gs); 95 void str_append(struct gstr *gs, const char *s); 96 void str_printf(struct gstr *gs, const char *fmt, ...); 97 const char *str_get(struct gstr *gs); 98 99 /* menu.c */ 100 void _menu_init(void); 101 void menu_warn(struct menu *menu, const char *fmt, ...); 102 struct menu *menu_add_menu(void); 103 void menu_end_menu(void); 104 void menu_add_entry(struct symbol *sym); 105 void menu_add_dep(struct expr *dep); 106 void menu_add_visibility(struct expr *dep); 107 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); 108 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); 109 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); 110 void menu_add_option_modules(void); 111 void menu_add_option_defconfig_list(void); 112 void menu_add_option_allnoconfig_y(void); 113 void menu_finalize(struct menu *parent); 114 void menu_set_type(int type); 115 116 extern struct menu rootmenu; 117 118 bool menu_is_empty(struct menu *menu); 119 bool menu_is_visible(struct menu *menu); 120 bool menu_has_prompt(struct menu *menu); 121 const char *menu_get_prompt(struct menu *menu); 122 struct menu *menu_get_root_menu(struct menu *menu); 123 struct menu *menu_get_parent_menu(struct menu *menu); 124 bool menu_has_help(struct menu *menu); 125 const char *menu_get_help(struct menu *menu); 126 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); 127 void menu_get_ext_help(struct menu *menu, struct gstr *help); 128 129 /* symbol.c */ 130 void sym_clear_all_valid(void); 131 struct symbol *sym_choice_default(struct symbol *sym); 132 struct property *sym_get_range_prop(struct symbol *sym); 133 const char *sym_get_string_default(struct symbol *sym); 134 struct symbol *sym_check_deps(struct symbol *sym); 135 struct symbol *prop_get_symbol(struct property *prop); 136 137 static inline tristate sym_get_tristate_value(struct symbol *sym) 138 { 139 return sym->curr.tri; 140 } 141 142 143 static inline struct symbol *sym_get_choice_value(struct symbol *sym) 144 { 145 return (struct symbol *)sym->curr.val; 146 } 147 148 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval) 149 { 150 return sym_set_tristate_value(chval, yes); 151 } 152 153 static inline bool sym_is_choice(struct symbol *sym) 154 { 155 return sym->flags & SYMBOL_CHOICE ? true : false; 156 } 157 158 static inline bool sym_is_choice_value(struct symbol *sym) 159 { 160 return sym->flags & SYMBOL_CHOICEVAL ? true : false; 161 } 162 163 static inline bool sym_is_optional(struct symbol *sym) 164 { 165 return sym->flags & SYMBOL_OPTIONAL ? true : false; 166 } 167 168 static inline bool sym_has_value(struct symbol *sym) 169 { 170 return sym->flags & SYMBOL_DEF_USER ? true : false; 171 } 172 173 #ifdef __cplusplus 174 } 175 #endif 176 177 #endif /* LKC_H */ 178