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 "expr.h" 10 11 #ifdef __cplusplus 12 extern "C" { 13 #endif 14 15 #include "lkc_proto.h" 16 17 #define SRCTREE "srctree" 18 19 #ifndef PACKAGE 20 #define PACKAGE "linux" 21 #endif 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 enum conf_def_mode { 34 def_default, 35 def_yes, 36 def_mod, 37 def_no, 38 def_random 39 }; 40 41 extern int yylineno; 42 void zconfdump(FILE *out); 43 void zconf_starthelp(void); 44 FILE *zconf_fopen(const char *name); 45 void zconf_initscan(const char *name); 46 void zconf_nextfile(const char *name); 47 int zconf_lineno(void); 48 const char *zconf_curname(void); 49 50 /* confdata.c */ 51 const char *conf_get_configname(void); 52 char *conf_get_default_confname(void); 53 void sym_set_change_count(int count); 54 void sym_add_change_count(int count); 55 bool conf_set_all_new_symbols(enum conf_def_mode mode); 56 void set_all_choice_values(struct symbol *csym); 57 58 /* confdata.c and expr.c */ 59 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) 60 { 61 assert(len != 0); 62 63 if (fwrite(str, len, count, out) != count) 64 fprintf(stderr, "Error in writing or end of file.\n"); 65 } 66 67 /* menu.c */ 68 void _menu_init(void); 69 void menu_warn(struct menu *menu, const char *fmt, ...); 70 struct menu *menu_add_menu(void); 71 void menu_end_menu(void); 72 void menu_add_entry(struct symbol *sym); 73 void menu_add_dep(struct expr *dep); 74 void menu_add_visibility(struct expr *dep); 75 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); 76 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); 77 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); 78 void menu_add_option_modules(void); 79 void menu_add_option_defconfig_list(void); 80 void menu_add_option_allnoconfig_y(void); 81 void menu_finalize(struct menu *parent); 82 void menu_set_type(int type); 83 84 /* util.c */ 85 struct file *file_lookup(const char *name); 86 void *xmalloc(size_t size); 87 void *xcalloc(size_t nmemb, size_t size); 88 void *xrealloc(void *p, size_t size); 89 char *xstrdup(const char *s); 90 char *xstrndup(const char *s, size_t n); 91 92 /* lexer.l */ 93 int yylex(void); 94 95 struct gstr { 96 size_t len; 97 char *s; 98 /* 99 * when max_width is not zero long lines in string s (if any) get 100 * wrapped not to exceed the max_width value 101 */ 102 int max_width; 103 }; 104 struct gstr str_new(void); 105 void str_free(struct gstr *gs); 106 void str_append(struct gstr *gs, const char *s); 107 void str_printf(struct gstr *gs, const char *fmt, ...); 108 const char *str_get(struct gstr *gs); 109 110 /* symbol.c */ 111 void sym_clear_all_valid(void); 112 struct symbol *sym_choice_default(struct symbol *sym); 113 struct property *sym_get_range_prop(struct symbol *sym); 114 const char *sym_get_string_default(struct symbol *sym); 115 struct symbol *sym_check_deps(struct symbol *sym); 116 struct property *prop_alloc(enum prop_type type, struct symbol *sym); 117 struct symbol *prop_get_symbol(struct property *prop); 118 119 static inline tristate sym_get_tristate_value(struct symbol *sym) 120 { 121 return sym->curr.tri; 122 } 123 124 125 static inline struct symbol *sym_get_choice_value(struct symbol *sym) 126 { 127 return (struct symbol *)sym->curr.val; 128 } 129 130 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval) 131 { 132 return sym_set_tristate_value(chval, yes); 133 } 134 135 static inline bool sym_is_choice(struct symbol *sym) 136 { 137 return sym->flags & SYMBOL_CHOICE ? true : false; 138 } 139 140 static inline bool sym_is_choice_value(struct symbol *sym) 141 { 142 return sym->flags & SYMBOL_CHOICEVAL ? true : false; 143 } 144 145 static inline bool sym_is_optional(struct symbol *sym) 146 { 147 return sym->flags & SYMBOL_OPTIONAL ? true : false; 148 } 149 150 static inline bool sym_has_value(struct symbol *sym) 151 { 152 return sym->flags & SYMBOL_DEF_USER ? true : false; 153 } 154 155 #ifdef __cplusplus 156 } 157 #endif 158 159 #endif /* LKC_H */ 160