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 <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 PACKAGE
  24 #define PACKAGE "linux"
  25 #endif
  26
  27 #ifndef CONFIG_
  28 #define CONFIG_ "CONFIG_"
  29 #endif
  30 static inline const char *CONFIG_prefix(void)
  31 {
  32         return getenv( "CONFIG_" ) ?: CONFIG_;
  33 }
  34 #undef CONFIG_
  35 #define CONFIG_ CONFIG_prefix()
  36
  37 enum conf_def_mode {
  38         def_default,
  39         def_yes,
  40         def_mod,
  41         def_y2m,
  42         def_m2y,
  43         def_no,
  44         def_random
  45 };
  46
  47 extern int yylineno;
  48 void zconfdump(FILE *out);
  49 void zconf_starthelp(void);
  50 FILE *zconf_fopen(const char *name);
  51 void zconf_initscan(const char *name);
  52 void zconf_nextfile(const char *name);
  53 int zconf_lineno(void);
  54 const char *zconf_curname(void);
  55
  56 /* confdata.c */
  57 const char *conf_get_configname(void);
  58 void sym_set_change_count(int count);
  59 void sym_add_change_count(int count);
  60 bool conf_set_all_new_symbols(enum conf_def_mode mode);
  61 void conf_rewrite_mod_or_yes(enum conf_def_mode mode);
  62 void set_all_choice_values(struct symbol *csym);
  63
  64 /* confdata.c and expr.c */
  65 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
  66 {
  67         assert(len != 0);
  68
  69         if (fwrite(str, len, count, out) != count)
  70                 fprintf(stderr, "Error in writing or end of file.\n");
  71 }
  72
  73 /* util.c */
  74 struct file *file_lookup(const char *name);
  75 void *xmalloc(size_t size);
  76 void *xcalloc(size_t nmemb, size_t size);
  77 void *xrealloc(void *p, size_t size);
  78 char *xstrdup(const char *s);
  79 char *xstrndup(const char *s, size_t n);
  80
  81 /* lexer.l */
  82 int yylex(void);
  83
  84 struct gstr {
  85         size_t len;
  86         char  *s;
  87         /*
  88         * when max_width is not zero long lines in string s (if any) get
  89         * wrapped not to exceed the max_width value
  90         */
  91         int max_width;
  92 };
  93 struct gstr str_new(void);
  94 void str_free(struct gstr *gs);
  95 void str_append(struct gstr *gs, const char *s);
  96 void str_printf(struct gstr *gs, const char *fmt, ...);
  97 const char *str_get(struct gstr *gs);
  98
  99 /* menu.c */
 100 void _menu_init(void);
 101 void menu_warn(struct menu *menu, const char *fmt, ...);
 102 struct menu *menu_add_menu(void);
 103 void menu_end_menu(void);
 104 void menu_add_entry(struct symbol *sym);
 105 void menu_add_dep(struct expr *dep);
 106 void menu_add_visibility(struct expr *dep);
 107 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 108 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
 109 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
 110 void menu_add_option_modules(void);
 111 void menu_add_option_defconfig_list(void);
 112 void menu_add_option_allnoconfig_y(void);
 113 void menu_finalize(struct menu *parent);
 114 void menu_set_type(int type);
 115
 116 extern struct menu rootmenu;
 117
 118 bool menu_is_empty(struct menu *menu);
 119 bool menu_is_visible(struct menu *menu);
 120 bool menu_has_prompt(struct menu *menu);
 121 const char *menu_get_prompt(struct menu *menu);
 122 struct menu *menu_get_root_menu(struct menu *menu);
 123 struct menu *menu_get_parent_menu(struct menu *menu);
 124 bool menu_has_help(struct menu *menu);
 125 const char *menu_get_help(struct menu *menu);
 126 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
 127 void menu_get_ext_help(struct menu *menu, struct gstr *help);
 128
 129 /* symbol.c */
 130 void sym_clear_all_valid(void);
 131 struct symbol *sym_choice_default(struct symbol *sym);
 132 struct property *sym_get_range_prop(struct symbol *sym);
 133 const char *sym_get_string_default(struct symbol *sym);
 134 struct symbol *sym_check_deps(struct symbol *sym);
 135 struct symbol *prop_get_symbol(struct property *prop);
 136
 137 static inline tristate sym_get_tristate_value(struct symbol *sym)
 138 {
 139         return sym->curr.tri;
 140 }
 141
 142
 143 static inline struct symbol *sym_get_choice_value(struct symbol *sym)
 144 {
 145         return (struct symbol *)sym->curr.val;
 146 }
 147
 148 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
 149 {
 150         return sym_set_tristate_value(chval, yes);
 151 }
 152
 153 static inline bool sym_is_choice(struct symbol *sym)
 154 {
 155         return sym->flags & SYMBOL_CHOICE ? true : false;
 156 }
 157
 158 static inline bool sym_is_choice_value(struct symbol *sym)
 159 {
 160         return sym->flags & SYMBOL_CHOICEVAL ? true : false;
 161 }
 162
 163 static inline bool sym_is_optional(struct symbol *sym)
 164 {
 165         return sym->flags & SYMBOL_OPTIONAL ? true : false;
 166 }
 167
 168 static inline bool sym_has_value(struct symbol *sym)
 169 {
 170         return sym->flags & SYMBOL_DEF_USER ? true : false;
 171 }
 172
 173 #ifdef __cplusplus
 174 }
 175 #endif
 176
 177 #endif /* LKC_H */