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