scripts/config/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 /* menu.c */
  70 void _menu_init(void);
  71 void menu_warn(struct menu *menu, const char *fmt, ...);
  72 struct menu *menu_add_menu(void);
  73 void menu_end_menu(void);
  74 void menu_add_entry(struct symbol *sym);
  75 void menu_add_dep(struct expr *dep);
  76 void menu_add_visibility(struct expr *dep);
  77 struct property *menu_add_prop(enum prop_type type, struct expr *expr, struct expr *dep);
  78 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
  79 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
  80 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
  81 void menu_add_option_modules(void);
  82 void menu_add_option_defconfig_list(void);
  83 void menu_add_option_allnoconfig_y(void);
  84 void menu_finalize(struct menu *parent);
  85 void menu_set_type(int type);
  86
  87 /* util.c */
  88 struct file *file_lookup(const char *name);
  89 void *xmalloc(size_t size);
  90 void *xcalloc(size_t nmemb, size_t size);
  91 void *xrealloc(void *p, size_t size);
  92 char *xstrdup(const char *s);
  93 char *xstrndup(const char *s, size_t n);
  94
  95 /* lexer.l */
  96 int yylex(void);
  97
  98 struct gstr {
  99         size_t len;
 100         char  *s;
 101         /*
 102         * when max_width is not zero long lines in string s (if any) get
 103         * wrapped not to exceed the max_width value
 104         */
 105         int max_width;
 106 };
 107 struct gstr str_new(void);
 108 void str_free(struct gstr *gs);
 109 void str_append(struct gstr *gs, const char *s);
 110 void str_printf(struct gstr *gs, const char *fmt, ...);
 111 const char *str_get(struct gstr *gs);
 112
 113 /* symbol.c */
 114 void sym_clear_all_valid(void);
 115 struct symbol *sym_choice_default(struct symbol *sym);
 116 struct property *sym_get_range_prop(struct symbol *sym);
 117 const char *sym_get_string_default(struct symbol *sym);
 118 struct symbol *sym_check_deps(struct symbol *sym);
 119 struct symbol *prop_get_symbol(struct property *prop);
 120
 121 static inline tristate sym_get_tristate_value(struct symbol *sym)
 122 {
 123         return sym->curr.tri;
 124 }
 125
 126
 127 static inline struct symbol *sym_get_choice_value(struct symbol *sym)
 128 {
 129         return (struct symbol *)sym->curr.val;
 130 }
 131
 132 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
 133 {
 134         return sym_set_tristate_value(chval, yes);
 135 }
 136
 137 static inline bool sym_is_choice(struct symbol *sym)
 138 {
 139         return sym->flags & SYMBOL_CHOICE ? true : false;
 140 }
 141
 142 static inline bool sym_is_choice_value(struct symbol *sym)
 143 {
 144         return sym->flags & SYMBOL_CHOICEVAL ? true : false;
 145 }
 146
 147 static inline bool sym_is_optional(struct symbol *sym)
 148 {
 149         return sym->flags & SYMBOL_OPTIONAL ? true : false;
 150 }
 151
 152 static inline bool sym_has_value(struct symbol *sym)
 153 {
 154         return sym->flags & SYMBOL_DEF_USER ? true : false;
 155 }
 156
 157 #ifdef __cplusplus
 158 }
 159 #endif
 160
 161 #endif /* LKC_H */