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 const char *conf_get_autoconfig_name(void); 53 char *conf_get_default_confname(void); 54 void sym_set_change_count(int count); 55 void sym_add_change_count(int count); 56 bool conf_set_all_new_symbols(enum conf_def_mode mode); 57 void set_all_choice_values(struct symbol *csym); 58 59 /* confdata.c and expr.c */ 60 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) 61 { 62 assert(len != 0); 63 64 if (fwrite(str, len, count, out) != count) 65 fprintf(stderr, "Error in writing or end of file.\n"); 66 } 67 68 /* menu.c */ 69 void _menu_init(void); 70 void menu_warn(struct menu *menu, const char *fmt, ...); 71 struct menu *menu_add_menu(void); 72 void menu_end_menu(void); 73 void menu_add_entry(struct symbol *sym); 74 void menu_add_dep(struct expr *dep); 75 void menu_add_visibility(struct expr *dep); 76 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); 77 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); 78 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); 79 void menu_add_option_modules(void); 80 void menu_add_option_defconfig_list(void); 81 void menu_add_option_allnoconfig_y(void); 82 void menu_finalize(struct menu *parent); 83 void menu_set_type(int type); 84 85 /* util.c */ 86 struct file *file_lookup(const char *name); 87 void *xmalloc(size_t size); 88 void *xcalloc(size_t nmemb, size_t size); 89 void *xrealloc(void *p, size_t size); 90 char *xstrdup(const char *s); 91 char *xstrndup(const char *s, size_t n); 92 93 /* zconf.l */ 94 int yylex(void); 95 96 struct gstr { 97 size_t len; 98 char *s; 99 /* 100 * when max_width is not zero long lines in string s (if any) get 101 * wrapped not to exceed the max_width value 102 */ 103 int max_width; 104 }; 105 struct gstr str_new(void); 106 void str_free(struct gstr *gs); 107 void str_append(struct gstr *gs, const char *s); 108 void str_printf(struct gstr *gs, const char *fmt, ...); 109 const char *str_get(struct gstr *gs); 110 111 /* symbol.c */ 112 void sym_clear_all_valid(void); 113 struct symbol *sym_choice_default(struct symbol *sym); 114 struct property *sym_get_range_prop(struct symbol *sym); 115 const char *sym_get_string_default(struct symbol *sym); 116 struct symbol *sym_check_deps(struct symbol *sym); 117 struct property *prop_alloc(enum prop_type type, 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