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 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 void set_all_choice_values(struct symbol *csym); 44 45 /* confdata.c and expr.c */ 46 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) 47 { 48 assert(len != 0); 49 50 if (fwrite(str, len, count, out) != count) 51 fprintf(stderr, "Error in writing or end of file.\n"); 52 } 53 54 /* util.c */ 55 struct file *file_lookup(const char *name); 56 void *xmalloc(size_t size); 57 void *xcalloc(size_t nmemb, size_t size); 58 void *xrealloc(void *p, size_t size); 59 char *xstrdup(const char *s); 60 char *xstrndup(const char *s, size_t n); 61 62 /* lexer.l */ 63 int yylex(void); 64 65 struct gstr { 66 size_t len; 67 char *s; 68 /* 69 * when max_width is not zero long lines in string s (if any) get 70 * wrapped not to exceed the max_width value 71 */ 72 int max_width; 73 }; 74 struct gstr str_new(void); 75 void str_free(struct gstr *gs); 76 void str_append(struct gstr *gs, const char *s); 77 void str_printf(struct gstr *gs, const char *fmt, ...); 78 char *str_get(struct gstr *gs); 79 80 /* menu.c */ 81 void _menu_init(void); 82 void menu_warn(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); 86 void menu_add_dep(struct expr *dep); 87 void menu_add_visibility(struct expr *dep); 88 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); 89 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); 90 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); 91 void menu_finalize(struct menu *parent); 92 void menu_set_type(int type); 93 94 extern struct menu rootmenu; 95 96 bool menu_is_empty(struct menu *menu); 97 bool menu_is_visible(struct menu *menu); 98 bool menu_has_prompt(struct menu *menu); 99 const char *menu_get_prompt(struct menu *menu); 100 struct menu *menu_get_parent_menu(struct menu *menu); 101 int get_jump_key_char(void); 102 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head); 103 void menu_get_ext_help(struct menu *menu, struct gstr *help); 104 105 /* symbol.c */ 106 void sym_clear_all_valid(void); 107 struct symbol *sym_choice_default(struct symbol *sym); 108 struct property *sym_get_range_prop(struct symbol *sym); 109 const char *sym_get_string_default(struct symbol *sym); 110 struct symbol *sym_check_deps(struct symbol *sym); 111 struct symbol *prop_get_symbol(struct property *prop); 112 113 static inline tristate sym_get_tristate_value(struct symbol *sym) 114 { 115 return sym->curr.tri; 116 } 117 118 119 static inline struct symbol *sym_get_choice_value(struct symbol *sym) 120 { 121 return (struct symbol *)sym->curr.val; 122 } 123 124 static inline bool sym_is_choice(struct symbol *sym) 125 { 126 return sym->flags & SYMBOL_CHOICE ? true : false; 127 } 128 129 static inline bool sym_is_choice_value(struct symbol *sym) 130 { 131 return sym->flags & SYMBOL_CHOICEVAL ? true : false; 132 } 133 134 static inline bool sym_is_optional(struct symbol *sym) 135 { 136 return sym->flags & SYMBOL_OPTIONAL ? true : false; 137 } 138 139 static inline bool sym_has_value(struct symbol *sym) 140 { 141 return sym->flags & SYMBOL_DEF_USER ? true : false; 142 } 143 144 #ifdef __cplusplus 145 } 146 #endif 147 148 #endif /* LKC_H */ 149