1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2002 Roman Zippel <[email protected]> 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 extern int yylineno; 38 void zconfdump(FILE *out); 39 void zconf_starthelp(void); 40 FILE *zconf_fopen(const char *name); 41 void zconf_initscan(const char *name); 42 void zconf_nextfile(const char *name); 43 int zconf_lineno(void); 44 const char *zconf_curname(void); 45 46 /* confdata.c */ 47 const char *conf_get_configname(void); 48 void sym_set_change_count(int count); 49 void sym_add_change_count(int count); 50 void set_all_choice_values(struct symbol *csym); 51 52 /* confdata.c and expr.c */ 53 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) 54 { 55 assert(len != 0); 56 57 if (fwrite(str, len, count, out) != count) 58 fprintf(stderr, "Error in writing or end of file.\n"); 59 } 60 61 /* util.c */ 62 struct file *file_lookup(const char *name); 63 void *xmalloc(size_t size); 64 void *xcalloc(size_t nmemb, size_t size); 65 void *xrealloc(void *p, size_t size); 66 char *xstrdup(const char *s); 67 char *xstrndup(const char *s, size_t n); 68 69 /* lexer.l */ 70 int yylex(void); 71 72 struct gstr { 73 size_t len; 74 char *s; 75 /* 76 * when max_width is not zero long lines in string s (if any) get 77 * wrapped not to exceed the max_width value 78 */ 79 int max_width; 80 }; 81 struct gstr str_new(void); 82 void str_free(struct gstr *gs); 83 void str_append(struct gstr *gs, const char *s); 84 void str_printf(struct gstr *gs, const char *fmt, ...); 85 const char *str_get(struct gstr *gs); 86 87 /* menu.c */ 88 void _menu_init(void); 89 void menu_warn(struct menu *menu, const char *fmt, ...); 90 struct menu *menu_add_menu(void); 91 void menu_end_menu(void); 92 void menu_add_entry(struct symbol *sym); 93 void menu_add_dep(struct expr *dep); 94 void menu_add_visibility(struct expr *dep); 95 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); 96 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); 97 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); 98 void menu_add_option_modules(void); 99 void menu_finalize(struct menu *parent); 100 void menu_set_type(int type); 101 102 extern struct menu rootmenu; 103 104 bool menu_is_empty(struct menu *menu); 105 bool menu_is_visible(struct menu *menu); 106 bool menu_has_prompt(struct menu *menu); 107 const char *menu_get_prompt(struct menu *menu); 108 struct menu *menu_get_root_menu(struct menu *menu); 109 struct menu *menu_get_parent_menu(struct menu *menu); 110 bool menu_has_help(struct menu *menu); 111 const char *menu_get_help(struct menu *menu); 112 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); 113 void menu_get_ext_help(struct menu *menu, struct gstr *help); 114 115 /* symbol.c */ 116 void sym_clear_all_valid(void); 117 struct symbol *sym_choice_default(struct symbol *sym); 118 struct property *sym_get_range_prop(struct symbol *sym); 119 const char *sym_get_string_default(struct symbol *sym); 120 struct symbol *sym_check_deps(struct symbol *sym); 121 struct symbol *prop_get_symbol(struct property *prop); 122 123 static inline tristate sym_get_tristate_value(struct symbol *sym) 124 { 125 return sym->curr.tri; 126 } 127 128 129 static inline struct symbol *sym_get_choice_value(struct symbol *sym) 130 { 131 return (struct symbol *)sym->curr.val; 132 } 133 134 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval) 135 { 136 return sym_set_tristate_value(chval, yes); 137 } 138 139 static inline bool sym_is_choice(struct symbol *sym) 140 { 141 return sym->flags & SYMBOL_CHOICE ? true : false; 142 } 143 144 static inline bool sym_is_choice_value(struct symbol *sym) 145 { 146 return sym->flags & SYMBOL_CHOICEVAL ? true : false; 147 } 148 149 static inline bool sym_is_optional(struct symbol *sym) 150 { 151 return sym->flags & SYMBOL_OPTIONAL ? true : false; 152 } 153 154 static inline bool sym_has_value(struct symbol *sym) 155 { 156 return sym->flags & SYMBOL_DEF_USER ? true : false; 157 } 158 159 #ifdef __cplusplus 160 } 161 #endif 162 163 #endif /* LKC_H */ 164