util/kconfig/lkc.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   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 void zconf_nextfiles(const char *name);
  40 int zconf_lineno(void);
  41 const char *zconf_curname(void);
  42
  43 /* confdata.c */
  44 const char *conf_get_configname(void);
  45 void set_all_choice_values(struct symbol *csym);
  46
  47 /* confdata.c and expr.c */
  48 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
  49 {
  50         assert(len != 0);
  51
  52         if (fwrite(str, len, count, out) != count)
  53                 fprintf(stderr, "Error in writing or end of file.\n");
  54 }
  55
  56 /* util.c */
  57 struct file *file_lookup(const char *name);
  58 void *xmalloc(size_t size);
  59 void *xcalloc(size_t nmemb, size_t size);
  60 void *xrealloc(void *p, size_t size);
  61 char *xstrdup(const char *s);
  62 char *xstrndup(const char *s, size_t n);
  63
  64 /* lexer.l */
  65 int yylex(void);
  66
  67 struct gstr {
  68         size_t len;
  69         char  *s;
  70         /*
  71         * when max_width is not zero long lines in string s (if any) get
  72         * wrapped not to exceed the max_width value
  73         */
  74         int max_width;
  75 };
  76 struct gstr str_new(void);
  77 void str_free(struct gstr *gs);
  78 void str_append(struct gstr *gs, const char *s);
  79 void str_printf(struct gstr *gs, const char *fmt, ...);
  80 char *str_get(struct gstr *gs);
  81
  82 /* menu.c */
  83 void _menu_init(void);
  84 void menu_warn(struct menu *menu, const char *fmt, ...);
  85 struct menu *menu_add_menu(void);
  86 void menu_end_menu(void);
  87 void menu_add_entry(struct symbol *sym);
  88 void menu_add_dep(struct expr *dep);
  89 void menu_add_visibility(struct expr *dep);
  90 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
  91 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
  92 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
  93 void menu_finalize(struct menu *parent);
  94 void menu_set_type(int type);
  95
  96 extern struct menu rootmenu;
  97
  98 bool menu_is_empty(struct menu *menu);
  99 bool menu_is_visible(struct menu *menu);
 100 bool menu_has_prompt(struct menu *menu);
 101 const char *menu_get_prompt(struct menu *menu);
 102 struct menu *menu_get_parent_menu(struct menu *menu);
 103 bool menu_has_help(struct menu *menu);
 104 const char *menu_get_help(struct menu *menu);
 105 int get_jump_key_char(void);
 106 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
 107 void menu_get_ext_help(struct menu *menu, struct gstr *help);
 108
 109 /* symbol.c */
 110 void sym_clear_all_valid(void);
 111 struct symbol *sym_choice_default(struct symbol *sym);
 112 struct property *sym_get_range_prop(struct symbol *sym);
 113 const char *sym_get_string_default(struct symbol *sym);
 114 struct symbol *sym_check_deps(struct symbol *sym);
 115 struct symbol *prop_get_symbol(struct property *prop);
 116
 117 static inline tristate sym_get_tristate_value(struct symbol *sym)
 118 {
 119         return sym->curr.tri;
 120 }
 121
 122
 123 static inline struct symbol *sym_get_choice_value(struct symbol *sym)
 124 {
 125         return (struct symbol *)sym->curr.val;
 126 }
 127
 128 static inline bool sym_is_choice(struct symbol *sym)
 129 {
 130         return sym->flags & SYMBOL_CHOICE ? true : false;
 131 }
 132
 133 static inline bool sym_is_choice_value(struct symbol *sym)
 134 {
 135         return sym->flags & SYMBOL_CHOICEVAL ? true : false;
 136 }
 137
 138 static inline bool sym_is_optional(struct symbol *sym)
 139 {
 140         return sym->flags & SYMBOL_OPTIONAL ? true : false;
 141 }
 142
 143 static inline bool sym_has_value(struct symbol *sym)
 144 {
 145         return sym->flags & SYMBOL_DEF_USER ? true : false;
 146 }
 147
 148 #ifdef __cplusplus
 149 }
 150 #endif
 151
 152 #endif /* LKC_H */