scripts/kconfig/lkc.h

   1 /*
   2  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
   3  * Released under the terms of the GNU GPL v2.0.
   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 #define TF_COMMAND      0x0001
  34 #define TF_PARAM        0x0002
  35 #define TF_OPTION       0x0004
  36
  37 enum conf_def_mode {
  38         def_default,
  39         def_yes,
  40         def_mod,
  41         def_no,
  42         def_random
  43 };
  44
  45 #define T_OPT_MODULES           1
  46 #define T_OPT_DEFCONFIG_LIST    2
  47 #define T_OPT_ALLNOCONFIG_Y     4
  48
  49 struct kconf_id {
  50         const char *name;
  51         int token;
  52         unsigned int flags;
  53         enum symbol_type stype;
  54 };
  55
  56 extern int yylineno;
  57 void zconfdump(FILE *out);
  58 void zconf_starthelp(void);
  59 FILE *zconf_fopen(const char *name);
  60 void zconf_initscan(const char *name);
  61 void zconf_nextfile(const char *name);
  62 int zconf_lineno(void);
  63 const char *zconf_curname(void);
  64
  65 /* confdata.c */
  66 const char *conf_get_configname(void);
  67 const char *conf_get_autoconfig_name(void);
  68 char *conf_get_default_confname(void);
  69 void sym_set_change_count(int count);
  70 void sym_add_change_count(int count);
  71 bool conf_set_all_new_symbols(enum conf_def_mode mode);
  72 void set_all_choice_values(struct symbol *csym);
  73
  74 /* confdata.c and expr.c */
  75 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
  76 {
  77         assert(len != 0);
  78
  79         if (fwrite(str, len, count, out) != count)
  80                 fprintf(stderr, "Error in writing or end of file.\n");
  81 }
  82
  83 /* menu.c */
  84 void _menu_init(void);
  85 void menu_warn(struct menu *menu, const char *fmt, ...);
  86 struct menu *menu_add_menu(void);
  87 void menu_end_menu(void);
  88 void menu_add_entry(struct symbol *sym);
  89 void menu_add_dep(struct expr *dep);
  90 void menu_add_visibility(struct expr *dep);
  91 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
  92 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
  93 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
  94 void menu_add_option(int token, char *arg);
  95 void menu_finalize(struct menu *parent);
  96 void menu_set_type(int type);
  97
  98 /* util.c */
  99 struct file *file_lookup(const char *name);
 100 int file_write_dep(const char *name);
 101 void *xmalloc(size_t size);
 102 void *xcalloc(size_t nmemb, size_t size);
 103 void *xrealloc(void *p, size_t size);
 104 char *xstrdup(const char *s);
 105 char *xstrndup(const char *s, size_t n);
 106
 107 struct gstr {
 108         size_t len;
 109         char  *s;
 110         /*
 111         * when max_width is not zero long lines in string s (if any) get
 112         * wrapped not to exceed the max_width value
 113         */
 114         int max_width;
 115 };
 116 struct gstr str_new(void);
 117 void str_free(struct gstr *gs);
 118 void str_append(struct gstr *gs, const char *s);
 119 void str_printf(struct gstr *gs, const char *fmt, ...);
 120 const char *str_get(struct gstr *gs);
 121
 122 /* symbol.c */
 123 void sym_clear_all_valid(void);
 124 struct symbol *sym_choice_default(struct symbol *sym);
 125 const char *sym_get_string_default(struct symbol *sym);
 126 struct symbol *sym_check_deps(struct symbol *sym);
 127 struct property *prop_alloc(enum prop_type type, struct symbol *sym);
 128 struct symbol *prop_get_symbol(struct property *prop);
 129 struct property *sym_get_env_prop(struct symbol *sym);
 130
 131 static inline tristate sym_get_tristate_value(struct symbol *sym)
 132 {
 133         return sym->curr.tri;
 134 }
 135
 136
 137 static inline struct symbol *sym_get_choice_value(struct symbol *sym)
 138 {
 139         return (struct symbol *)sym->curr.val;
 140 }
 141
 142 static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
 143 {
 144         return sym_set_tristate_value(chval, yes);
 145 }
 146
 147 static inline bool sym_is_choice(struct symbol *sym)
 148 {
 149         return sym->flags & SYMBOL_CHOICE ? true : false;
 150 }
 151
 152 static inline bool sym_is_choice_value(struct symbol *sym)
 153 {
 154         return sym->flags & SYMBOL_CHOICEVAL ? true : false;
 155 }
 156
 157 static inline bool sym_is_optional(struct symbol *sym)
 158 {
 159         return sym->flags & SYMBOL_OPTIONAL ? true : false;
 160 }
 161
 162 static inline bool sym_has_value(struct symbol *sym)
 163 {
 164         return sym->flags & SYMBOL_DEF_USER ? true : false;
 165 }
 166
 167 #ifdef __cplusplus
 168 }
 169 #endif
 170
 171 #endif /* LKC_H */