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linux-sg2042/scripts/kconfig/confdata.c

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/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#define LKC_DIRECT_LINK
#include "lkc.h"
static void conf_warning(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
static void conf_message(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
static const char *conf_filename;
static int conf_lineno, conf_warnings, conf_unsaved;
const char conf_defname[] = "arch/$ARCH/defconfig";
static void conf_warning(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
conf_warnings++;
}
static void conf_default_message_callback(const char *fmt, va_list ap)
{
printf("#\n# ");
vprintf(fmt, ap);
printf("\n#\n");
}
static void (*conf_message_callback) (const char *fmt, va_list ap) =
conf_default_message_callback;
void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
{
conf_message_callback = fn;
}
static void conf_message(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (conf_message_callback)
conf_message_callback(fmt, ap);
}
const char *conf_get_configname(void)
{
char *name = getenv("KCONFIG_CONFIG");
return name ? name : ".config";
}
const char *conf_get_autoconfig_name(void)
{
char *name = getenv("KCONFIG_AUTOCONFIG");
return name ? name : "include/config/auto.conf";
}
static char *conf_expand_value(const char *in)
{
struct symbol *sym;
const char *src;
static char res_value[SYMBOL_MAXLENGTH];
char *dst, name[SYMBOL_MAXLENGTH];
res_value[0] = 0;
dst = name;
while ((src = strchr(in, '$'))) {
strncat(res_value, in, src - in);
src++;
dst = name;
while (isalnum(*src) || *src == '_')
*dst++ = *src++;
*dst = 0;
sym = sym_lookup(name, 0);
sym_calc_value(sym);
strcat(res_value, sym_get_string_value(sym));
in = src;
}
strcat(res_value, in);
return res_value;
}
char *conf_get_default_confname(void)
{
struct stat buf;
static char fullname[PATH_MAX+1];
char *env, *name;
name = conf_expand_value(conf_defname);
env = getenv(SRCTREE);
if (env) {
sprintf(fullname, "%s/%s", env, name);
if (!stat(fullname, &buf))
return fullname;
}
return name;
}
static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
{
char *p2;
switch (sym->type) {
case S_TRISTATE:
if (p[0] == 'm') {
sym->def[def].tri = mod;
sym->flags |= def_flags;
break;
}
case S_BOOLEAN:
if (p[0] == 'y') {
sym->def[def].tri = yes;
sym->flags |= def_flags;
break;
}
if (p[0] == 'n') {
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
}
conf_warning("symbol value '%s' invalid for %s", p, sym->name);
break;
case S_OTHER:
if (*p != '"') {
for (p2 = p; *p2 && !isspace(*p2); p2++)
;
sym->type = S_STRING;
goto done;
}
case S_STRING:
if (*p++ != '"')
break;
for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
if (*p2 == '"') {
*p2 = 0;
break;
}
memmove(p2, p2 + 1, strlen(p2));
}
if (!p2) {
conf_warning("invalid string found");
return 1;
}
case S_INT:
case S_HEX:
done:
if (sym_string_valid(sym, p)) {
sym->def[def].val = strdup(p);
sym->flags |= def_flags;
} else {
conf_warning("symbol value '%s' invalid for %s", p, sym->name);
return 1;
}
break;
default:
;
}
return 0;
}
int conf_read_simple(const char *name, int def)
{
FILE *in = NULL;
char line[1024];
char *p, *p2;
struct symbol *sym;
int i, def_flags;
if (name) {
in = zconf_fopen(name);
} else {
struct property *prop;
name = conf_get_configname();
in = zconf_fopen(name);
if (in)
goto load;
sym_add_change_count(1);
if (!sym_defconfig_list) {
if (modules_sym)
sym_calc_value(modules_sym);
return 1;
}
for_all_defaults(sym_defconfig_list, prop) {
if (expr_calc_value(prop->visible.expr) == no ||
prop->expr->type != E_SYMBOL)
continue;
name = conf_expand_value(prop->expr->left.sym->name);
in = zconf_fopen(name);
if (in) {
conf_message(_("using defaults found in %s"),
name);
goto load;
}
}
}
if (!in)
return 1;
load:
conf_filename = name;
conf_lineno = 0;
conf_warnings = 0;
conf_unsaved = 0;
def_flags = SYMBOL_DEF << def;
for_all_symbols(i, sym) {
sym->flags |= SYMBOL_CHANGED;
sym->flags &= ~(def_flags|SYMBOL_VALID);
if (sym_is_choice(sym))
sym->flags |= def_flags;
switch (sym->type) {
case S_INT:
case S_HEX:
case S_STRING:
if (sym->def[def].val)
free(sym->def[def].val);
default:
sym->def[def].val = NULL;
sym->def[def].tri = no;
}
}
while (fgets(line, sizeof(line), in)) {
conf_lineno++;
sym = NULL;
if (line[0] == '#') {
if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
continue;
p = strchr(line + 2 + strlen(CONFIG_), ' ');
if (!p)
continue;
*p++ = 0;
if (strncmp(p, "is not set", 10))
continue;
if (def == S_DEF_USER) {
sym = sym_find(line + 2 + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
goto setsym;
}
} else {
sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_BOOLEAN;
}
if (sym->flags & def_flags) {
conf_warning("override: reassigning to symbol %s", sym->name);
}
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
default:
;
}
} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
p = strchr(line + strlen(CONFIG_), '=');
if (!p)
continue;
*p++ = 0;
p2 = strchr(p, '\n');
if (p2) {
*p2-- = 0;
if (*p2 == '\r')
*p2 = 0;
}
if (def == S_DEF_USER) {
sym = sym_find(line + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
goto setsym;
}
} else {
sym = sym_lookup(line + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_OTHER;
}
if (sym->flags & def_flags) {
conf_warning("override: reassigning to symbol %s", sym->name);
}
if (conf_set_sym_val(sym, def, def_flags, p))
continue;
} else {
if (line[0] != '\r' && line[0] != '\n')
conf_warning("unexpected data");
continue;
}
setsym:
if (sym && sym_is_choice_value(sym)) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
switch (sym->def[def].tri) {
case no:
break;
case mod:
if (cs->def[def].tri == yes) {
conf_warning("%s creates inconsistent choice state", sym->name);
cs->flags &= ~def_flags;
}
break;
case yes:
if (cs->def[def].tri != no)
conf_warning("override: %s changes choice state", sym->name);
cs->def[def].val = sym;
break;
}
cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
}
}
fclose(in);
if (modules_sym)
sym_calc_value(modules_sym);
return 0;
}
int conf_read(const char *name)
{
struct symbol *sym, *choice_sym;
struct property *prop;
struct expr *e;
int i, flags;
sym_set_change_count(0);
if (conf_read_simple(name, S_DEF_USER))
return 1;
for_all_symbols(i, sym) {
sym_calc_value(sym);
if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
goto sym_ok;
if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
/* check that calculated value agrees with saved value */
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
break;
if (!sym_is_choice(sym))
goto sym_ok;
default:
if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
goto sym_ok;
break;
}
} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
/* no previous value and not saved */
goto sym_ok;
conf_unsaved++;
/* maybe print value in verbose mode... */
sym_ok:
if (!sym_is_choice(sym))
continue;
/* The choice symbol only has a set value (and thus is not new)
* if all its visible childs have values.
*/
prop = sym_get_choice_prop(sym);
flags = sym->flags;
expr_list_for_each_sym(prop->expr, e, choice_sym)
if (choice_sym->visible != no)
flags &= choice_sym->flags;
sym->flags &= flags | ~SYMBOL_DEF_USER;
}
for_all_symbols(i, sym) {
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
/* Reset values of generates values, so they'll appear
* as new, if they should become visible, but that
* doesn't quite work if the Kconfig and the saved
* configuration disagree.
*/
if (sym->visible == no && !conf_unsaved)
sym->flags &= ~SYMBOL_DEF_USER;
switch (sym->type) {
case S_STRING:
case S_INT:
case S_HEX:
/* Reset a string value if it's out of range */
if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
break;
sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
conf_unsaved++;
break;
default:
break;
}
}
}
sym_add_change_count(conf_warnings || conf_unsaved);
return 0;
}
/* Write a S_STRING */
static void conf_write_string(bool headerfile, const char *name,
const char *str, FILE *out)
{
int l;
if (headerfile)
fprintf(out, "#define %s%s \"", CONFIG_, name);
else
fprintf(out, "%s%s=\"", CONFIG_, name);
while (1) {
l = strcspn(str, "\"\\");
if (l) {
xfwrite(str, l, 1, out);
str += l;
}
if (!*str)
break;
fprintf(out, "\\%c", *str++);
}
fputs("\"\n", out);
}
static void conf_write_symbol(struct symbol *sym, FILE *out, bool write_no)
{
const char *str;
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
switch (sym_get_tristate_value(sym)) {
case no:
if (write_no)
fprintf(out, "# %s%s is not set\n",
CONFIG_, sym->name);
break;
case mod:
fprintf(out, "%s%s=m\n", CONFIG_, sym->name);
break;
case yes:
fprintf(out, "%s%s=y\n", CONFIG_, sym->name);
break;
}
break;
case S_STRING:
conf_write_string(false, sym->name, sym_get_string_value(sym), out);
break;
case S_HEX:
case S_INT:
str = sym_get_string_value(sym);
fprintf(out, "%s%s=%s\n", CONFIG_, sym->name, str);
break;
case S_OTHER:
case S_UNKNOWN:
break;
}
}
/*
* Write out a minimal config.
* All values that has default values are skipped as this is redundant.
*/
int conf_write_defconfig(const char *filename)
{
struct symbol *sym;
struct menu *menu;
FILE *out;
out = fopen(filename, "w");
if (!out)
return 1;
sym_clear_all_valid();
/* Traverse all menus to find all relevant symbols */
menu = rootmenu.list;
while (menu != NULL)
{
sym = menu->sym;
if (sym == NULL) {
if (!menu_is_visible(menu))
goto next_menu;
} else if (!sym_is_choice(sym)) {
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE))
goto next_menu;
sym->flags &= ~SYMBOL_WRITE;
/* If we cannot change the symbol - skip */
if (!sym_is_changable(sym))
goto next_menu;
/* If symbol equals to default value - skip */
if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
goto next_menu;
/*
* If symbol is a choice value and equals to the
* default for a choice - skip.
* But only if value is bool and equal to "y" and
* choice is not "optional".
* (If choice is "optional" then all values can be "n")
*/
if (sym_is_choice_value(sym)) {
struct symbol *cs;
struct symbol *ds;
cs = prop_get_symbol(sym_get_choice_prop(sym));
ds = sym_choice_default(cs);
if (!sym_is_optional(cs) && sym == ds) {
if ((sym->type == S_BOOLEAN) &&
sym_get_tristate_value(sym) == yes)
goto next_menu;
}
}
conf_write_symbol(sym, out, true);
}
next_menu:
if (menu->list != NULL) {
menu = menu->list;
}
else if (menu->next != NULL) {
menu = menu->next;
} else {
while ((menu = menu->parent)) {
if (menu->next != NULL) {
menu = menu->next;
break;
}
}
}
}
fclose(out);
return 0;
}
int conf_write(const char *name)
{
FILE *out;
struct symbol *sym;
struct menu *menu;
const char *basename;
const char *str;
char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
time_t now;
int use_timestamp = 1;
char *env;
dirname[0] = 0;
if (name && name[0]) {
struct stat st;
char *slash;
if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
strcpy(dirname, name);
strcat(dirname, "/");
basename = conf_get_configname();
} else if ((slash = strrchr(name, '/'))) {
int size = slash - name + 1;
memcpy(dirname, name, size);
dirname[size] = 0;
if (slash[1])
basename = slash + 1;
else
basename = conf_get_configname();
} else
basename = name;
} else
basename = conf_get_configname();
sprintf(newname, "%s%s", dirname, basename);
env = getenv("KCONFIG_OVERWRITECONFIG");
if (!env || !*env) {
sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
out = fopen(tmpname, "w");
} else {
*tmpname = 0;
out = fopen(newname, "w");
}
if (!out)
return 1;
time(&now);
env = getenv("KCONFIG_NOTIMESTAMP");
if (env && *env)
use_timestamp = 0;
fprintf(out, _("#\n"
"# Automatically generated make config: don't edit\n"
"# %s\n"
"%s%s"
"#\n"),
rootmenu.prompt->text,
use_timestamp ? "# " : "",
use_timestamp ? ctime(&now) : "");
if (!conf_get_changed())
sym_clear_all_valid();
menu = rootmenu.list;
while (menu) {
sym = menu->sym;
if (!sym) {
if (!menu_is_visible(menu))
goto next;
str = menu_get_prompt(menu);
fprintf(out, "\n"
"#\n"
"# %s\n"
"#\n", str);
} else if (!(sym->flags & SYMBOL_CHOICE)) {
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE))
goto next;
sym->flags &= ~SYMBOL_WRITE;
/* Write config symbol to file */
conf_write_symbol(sym, out, true);
}
next:
if (menu->list) {
menu = menu->list;
continue;
}
if (menu->next)
menu = menu->next;
else while ((menu = menu->parent)) {
if (menu->next) {
menu = menu->next;
break;
}
}
}
fclose(out);
if (*tmpname) {
strcat(dirname, basename);
strcat(dirname, ".old");
rename(newname, dirname);
if (rename(tmpname, newname))
return 1;
}
conf_message(_("configuration written to %s"), newname);
sym_set_change_count(0);
return 0;
}
static int conf_split_config(void)
{
const char *name;
char path[PATH_MAX+1];
char *s, *d, c;
struct symbol *sym;
struct stat sb;
int res, i, fd;
name = conf_get_autoconfig_name();
conf_read_simple(name, S_DEF_AUTO);
if (chdir("include/config"))
return 1;
res = 0;
for_all_symbols(i, sym) {
sym_calc_value(sym);
if ((sym->flags & SYMBOL_AUTO) || !sym->name)
continue;
if (sym->flags & SYMBOL_WRITE) {
if (sym->flags & SYMBOL_DEF_AUTO) {
/*
* symbol has old and new value,
* so compare them...
*/
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
if (sym_get_tristate_value(sym) ==
sym->def[S_DEF_AUTO].tri)
continue;
break;
case S_STRING:
case S_HEX:
case S_INT:
if (!strcmp(sym_get_string_value(sym),
sym->def[S_DEF_AUTO].val))
continue;
break;
default:
break;
}
} else {
/*
* If there is no old value, only 'no' (unset)
* is allowed as new value.
*/
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
if (sym_get_tristate_value(sym) == no)
continue;
break;
default:
break;
}
}
} else if (!(sym->flags & SYMBOL_DEF_AUTO))
/* There is neither an old nor a new value. */
continue;
/* else
* There is an old value, but no new value ('no' (unset)
* isn't saved in auto.conf, so the old value is always
* different from 'no').
*/
/* Replace all '_' and append ".h" */
s = sym->name;
d = path;
while ((c = *s++)) {
c = tolower(c);
*d++ = (c == '_') ? '/' : c;
}
strcpy(d, ".h");
/* Assume directory path already exists. */
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1) {
if (errno != ENOENT) {
res = 1;
break;
}
/*
* Create directory components,
* unless they exist already.
*/
d = path;
while ((d = strchr(d, '/'))) {
*d = 0;
if (stat(path, &sb) && mkdir(path, 0755)) {
res = 1;
goto out;
}
*d++ = '/';
}
/* Try it again. */
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1) {
res = 1;
break;
}
}
close(fd);
}
out:
if (chdir("../.."))
return 1;
return res;
}
int conf_write_autoconf(void)
{
struct symbol *sym;
const char *str;
const char *name;
FILE *out, *tristate, *out_h;
time_t now;
int i;
sym_clear_all_valid();
file_write_dep("include/config/auto.conf.cmd");
if (conf_split_config())
return 1;
out = fopen(".tmpconfig", "w");
if (!out)
return 1;
tristate = fopen(".tmpconfig_tristate", "w");
if (!tristate) {
fclose(out);
return 1;
}
out_h = fopen(".tmpconfig.h", "w");
if (!out_h) {
fclose(out);
fclose(tristate);
return 1;
}
time(&now);
fprintf(out, "#\n"
"# Automatically generated make config: don't edit\n"
"# %s\n"
"# %s"
"#\n",
rootmenu.prompt->text, ctime(&now));
fprintf(tristate, "#\n"
"# Automatically generated - do not edit\n"
"\n");
fprintf(out_h, "/*\n"
" * Automatically generated C config: don't edit\n"
" * %s\n"
" * %s"
" */\n",
rootmenu.prompt->text, ctime(&now));
for_all_symbols(i, sym) {
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
continue;
/* write symbol to config file */
conf_write_symbol(sym, out, false);
/* update autoconf and tristate files */
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
switch (sym_get_tristate_value(sym)) {
case no:
break;
case mod:
fprintf(tristate, "%s%s=M\n",
CONFIG_, sym->name);
fprintf(out_h, "#define %s%s_MODULE 1\n",
CONFIG_, sym->name);
break;
case yes:
if (sym->type == S_TRISTATE)
fprintf(tristate,"%s%s=Y\n",
CONFIG_, sym->name);
fprintf(out_h, "#define %s%s 1\n",
CONFIG_, sym->name);
break;
}
break;
case S_STRING:
conf_write_string(true, sym->name, sym_get_string_value(sym), out_h);
break;
case S_HEX:
str = sym_get_string_value(sym);
if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
fprintf(out_h, "#define %s%s 0x%s\n",
CONFIG_, sym->name, str);
break;
}
case S_INT:
str = sym_get_string_value(sym);
fprintf(out_h, "#define %s%s %s\n",
CONFIG_, sym->name, str);
break;
default:
break;
}
}
fclose(out);
fclose(tristate);
fclose(out_h);
name = getenv("KCONFIG_AUTOHEADER");
if (!name)
name = "include/generated/autoconf.h";
if (rename(".tmpconfig.h", name))
return 1;
name = getenv("KCONFIG_TRISTATE");
if (!name)
name = "include/config/tristate.conf";
if (rename(".tmpconfig_tristate", name))
return 1;
name = conf_get_autoconfig_name();
/*
* This must be the last step, kbuild has a dependency on auto.conf
* and this marks the successful completion of the previous steps.
*/
if (rename(".tmpconfig", name))
return 1;
return 0;
}
static int sym_change_count;
static void (*conf_changed_callback)(void);
void sym_set_change_count(int count)
{
int _sym_change_count = sym_change_count;
sym_change_count = count;
if (conf_changed_callback &&
(bool)_sym_change_count != (bool)count)
conf_changed_callback();
}
void sym_add_change_count(int count)
{
sym_set_change_count(count + sym_change_count);
}
bool conf_get_changed(void)
{
return sym_change_count;
}
void conf_set_changed_callback(void (*fn)(void))
{
conf_changed_callback = fn;
}
static void randomize_choice_values(struct symbol *csym)
{
struct property *prop;
struct symbol *sym;
struct expr *e;
int cnt, def;
/*
* If choice is mod then we may have more items selected
* and if no then no-one.
* In both cases stop.
*/
if (csym->curr.tri != yes)
return;
prop = sym_get_choice_prop(csym);
/* count entries in choice block */
cnt = 0;
expr_list_for_each_sym(prop->expr, e, sym)
cnt++;
/*
* find a random value and set it to yes,
* set the rest to no so we have only one set
*/
def = (rand() % cnt);
cnt = 0;
expr_list_for_each_sym(prop->expr, e, sym) {
if (def == cnt++) {
sym->def[S_DEF_USER].tri = yes;
csym->def[S_DEF_USER].val = sym;
}
else {
sym->def[S_DEF_USER].tri = no;
}
}
csym->flags |= SYMBOL_DEF_USER;
/* clear VALID to get value calculated */
csym->flags &= ~(SYMBOL_VALID);
}
static void set_all_choice_values(struct symbol *csym)
{
struct property *prop;
struct symbol *sym;
struct expr *e;
prop = sym_get_choice_prop(csym);
/*
* Set all non-assinged choice values to no
*/
expr_list_for_each_sym(prop->expr, e, sym) {
if (!sym_has_value(sym))
sym->def[S_DEF_USER].tri = no;
}
csym->flags |= SYMBOL_DEF_USER;
/* clear VALID to get value calculated */
csym->flags &= ~(SYMBOL_VALID);
}
void conf_set_all_new_symbols(enum conf_def_mode mode)
{
struct symbol *sym, *csym;
int i, cnt;
for_all_symbols(i, sym) {
if (sym_has_value(sym))
continue;
switch (sym_get_type(sym)) {
case S_BOOLEAN:
case S_TRISTATE:
switch (mode) {
case def_yes:
sym->def[S_DEF_USER].tri = yes;
break;
case def_mod:
sym->def[S_DEF_USER].tri = mod;
break;
case def_no:
sym->def[S_DEF_USER].tri = no;
break;
case def_random:
cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2;
sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
break;
default:
continue;
}
if (!(sym_is_choice(sym) && mode == def_random))
sym->flags |= SYMBOL_DEF_USER;
break;
default:
break;
}
}
sym_clear_all_valid();
/*
* We have different type of choice blocks.
* If curr.tri equals to mod then we can select several
* choice symbols in one block.
* In this case we do nothing.
* If curr.tri equals yes then only one symbol can be
* selected in a choice block and we set it to yes,
* and the rest to no.
*/
for_all_symbols(i, csym) {
if (sym_has_value(csym) || !sym_is_choice(csym))
continue;
sym_calc_value(csym);
if (mode == def_random)
randomize_choice_values(csym);
else
set_all_choice_values(csym);
}
}
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