scripts/kconfig/lkc.h

   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_y2m,
  38         def_m2y,
  39         def_no,
  40         def_random
  41 };
  42
  43 extern int yylineno;
  44 void zconfdump(FILE *out);
  45 void zconf_starthelp(void);
  46 FILE *zconf_fopen(const char *name);
  47 void zconf_initscan(const char *name);
  48 void zconf_nextfile(const char *name);
  49 int zconf_lineno(void);
  50 const char *zconf_curname(void);
  51
  52 /* confdata.c */
  53 const char *conf_get_configname(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 conf_rewrite_mod_or_yes(enum conf_def_mode mode);
  58 void set_all_choice_values(struct symbol *csym);
  59
  60 /* confdata.c and expr.c */
  61 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
  62 {
  63         assert(len != 0);
  64
  65         if (fwrite(str, len, count, out) != count)
  66                 fprintf(stderr, "Error in writing or end of file.\n");
  67 }
  68
  69 /* util.c */
  70 struct file *file_lookup(const char *name);
  71 void *xmalloc(size_t size);
  72 void *xcalloc(size_t nmemb, size_t size);
  73 void *xrealloc(void *p, size_t size);
  74 char *xstrdup(const char *s);
  75 char *xstrndup(const char *s, size_t n);
  76
  77 /* lexer.l */
  78 int yylex(void);
  79
  80 struct gstr {
  81         size_t len;
  82         char  *s;
  83         /*
  84         * when max_width is not zero long lines in string s (if any) get
  85         * wrapped not to exceed the max_width value
  86         */
  87         int max_width;
  88 };
  89 struct gstr str_new(void);
  90 void str_free(struct gstr *gs);
  91 void str_append(struct gstr *gs, const char *s);
  92 void str_printf(struct gstr *gs, const char *fmt, ...);
  93 const char *str_get(struct gstr *gs);
  94
  95 /* menu.c */
  96 void _menu_init(void);
  97 void menu_warn(struct menu *menu, const char *fmt, ...);
  98 struct menu *menu_add_menu(void);
  99 void menu_end_menu(void);
 100 void menu_add_entry(struct symbol *sym);
 101 void menu_add_dep(struct expr *dep);
 102 void menu_add_visibility(struct expr *dep);
 103 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 104 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
 105 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
 106 void menu_add_option_modules(void);
 107 void menu_add_option_defconfig_list(void);
 108 void menu_add_option_allnoconfig_y(void);
 109 void menu_finalize(struct menu *parent);
 110 void menu_set_type(int type);
 111
 112 extern struct menu rootmenu;
 113
 114 bool menu_is_empty(struct menu *menu);
 115 bool menu_is_visible(struct menu *menu);
 116 bool menu_has_prompt(struct menu *menu);
 117 const char *menu_get_prompt(struct menu *menu);
 118 struct menu *menu_get_root_menu(struct menu *menu);
 119 struct menu *menu_get_parent_menu(struct menu *menu);
 120 bool menu_has_help(struct menu *menu);
 121 const char *menu_get_help(struct menu *menu);
 122 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
 123 void menu_get_ext_help(struct menu *menu, struct gstr *help);
 124
 125 /* symbol.c */
 126 void sym_clear_all_valid(void);
 127 struct symbol *sym_choice_default(struct symbol *sym);
 128 struct property *sym_get_range_prop(struct symbol *sym);
 129 const char *sym_get_string_default(struct symbol *sym);
 130 struct symbol *sym_check_deps(struct symbol *sym);
 131 struct symbol *prop_get_symbol(struct property *prop);
 132
 133 static inline tristate sym_get_tristate_value(struct symbol *sym)
 134 {
 135         return sym->curr.tri;
 136 }
 137
 138
 139 static inline struct symbol *sym_get_choice_value(struct symbol *sym)
 140 {
 141         return (struct symbol *)sym->curr.val;
 142 }
 143
 144 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
 145 {
 146         return sym_set_tristate_value(chval, yes);
 147 }
 148
 149 static inline bool sym_is_choice(struct symbol *sym)
 150 {
 151         return sym->flags & SYMBOL_CHOICE ? true : false;
 152 }
 153
 154 static inline bool sym_is_choice_value(struct symbol *sym)
 155 {
 156         return sym->flags & SYMBOL_CHOICEVAL ? true : false;
 157 }
 158
 159 static inline bool sym_is_optional(struct symbol *sym)
 160 {
 161         return sym->flags & SYMBOL_OPTIONAL ? true : false;
 162 }
 163
 164 static inline bool sym_has_value(struct symbol *sym)
 165 {
 166         return sym->flags & SYMBOL_DEF_USER ? true : false;
 167 }
 168
 169 #ifdef __cplusplus
 170 }
 171 #endif
 172
 173 #endif /* LKC_H */