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