1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
21 /* return true if 'path' exists, false otherwise */
22 static bool is_present(const char *path)
26 return !stat(path, &st);
29 /* return true if 'path' exists and it is a directory, false otherwise */
30 static bool is_dir(const char *path)
37 return S_ISDIR(st.st_mode);
40 /* return true if the given two files are the same, false otherwise */
41 static bool is_same(const char *file1, const char *file2)
48 fd1 = open(file1, O_RDONLY);
52 fd2 = open(file2, O_RDONLY);
56 ret = fstat(fd1, &st1);
59 ret = fstat(fd2, &st2);
63 if (st1.st_size != st2.st_size)
66 map1 = mmap(NULL, st1.st_size, PROT_READ, MAP_PRIVATE, fd1, 0);
67 if (map1 == MAP_FAILED)
70 map2 = mmap(NULL, st2.st_size, PROT_READ, MAP_PRIVATE, fd2, 0);
71 if (map2 == MAP_FAILED)
74 if (bcmp(map1, map2, st1.st_size))
87 * Create the parent directory of the given path.
89 * For example, if 'include/config/auto.conf' is given, create 'include/config'.
91 static int make_parent_dir(const char *path)
93 char tmp[PATH_MAX + 1];
96 strncpy(tmp, path, sizeof(tmp));
97 tmp[sizeof(tmp) - 1] = 0;
99 /* Remove the base name. Just return if nothing is left */
100 p = strrchr(tmp, '/');
105 /* Just in case it is an absolute path */
110 while ((p = strchr(p, '/'))) {
113 /* skip if the directory exists */
114 if (!is_dir(tmp) && mkdir(tmp, 0755))
125 static char depfile_path[PATH_MAX];
126 static size_t depfile_prefix_len;
128 /* touch depfile for symbol 'name' */
129 static int conf_touch_dep(const char *name)
135 /* check overflow: prefix + name + ".h" + '\0' must fit in buffer. */
136 if (depfile_prefix_len + strlen(name) + 3 > sizeof(depfile_path))
139 d = depfile_path + depfile_prefix_len;
143 *d++ = (c == '_') ? '/' : tolower(c);
146 /* Assume directory path already exists. */
147 fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
152 ret = make_parent_dir(depfile_path);
157 fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
166 struct conf_printer {
167 void (*print_symbol)(FILE *, struct symbol *, const char *, void *);
168 void (*print_comment)(FILE *, const char *, void *);
171 static void conf_warning(const char *fmt, ...)
172 __attribute__ ((format (printf, 1, 2)));
174 static void conf_message(const char *fmt, ...)
175 __attribute__ ((format (printf, 1, 2)));
177 static const char *conf_filename;
178 static int conf_lineno, conf_warnings;
180 static void conf_warning(const char *fmt, ...)
184 fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
185 vfprintf(stderr, fmt, ap);
186 fprintf(stderr, "\n");
191 static void conf_default_message_callback(const char *s)
198 static void (*conf_message_callback)(const char *s) =
199 conf_default_message_callback;
200 void conf_set_message_callback(void (*fn)(const char *s))
202 conf_message_callback = fn;
205 static void conf_message(const char *fmt, ...)
210 if (!conf_message_callback)
215 vsnprintf(buf, sizeof(buf), fmt, ap);
216 conf_message_callback(buf);
220 const char *conf_get_configname(void)
222 char *name = getenv("KCONFIG_CONFIG");
224 return name ? name : ".config";
227 static const char *conf_get_autoconfig_name(void)
229 char *name = getenv("KCONFIG_AUTOCONFIG");
231 return name ? name : "include/generated/auto.conf";
234 static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
241 sym->def[def].tri = mod;
242 sym->flags |= def_flags;
248 sym->def[def].tri = yes;
249 sym->flags |= def_flags;
253 sym->def[def].tri = no;
254 sym->flags |= def_flags;
257 if (def != S_DEF_AUTO)
258 conf_warning("symbol value '%s' invalid for %s",
264 for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
269 memmove(p2, p2 + 1, strlen(p2));
272 if (def != S_DEF_AUTO)
273 conf_warning("invalid string found");
279 if (sym_string_valid(sym, p)) {
280 sym->def[def].val = xstrdup(p);
281 sym->flags |= def_flags;
283 if (def != S_DEF_AUTO)
284 conf_warning("symbol value '%s' invalid for %s",
295 #define LINE_GROWTH 16
296 static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
299 size_t new_size = slen + 1;
301 new_size += LINE_GROWTH - 1;
303 nline = xrealloc(*lineptr, new_size);
311 (*lineptr)[slen] = c;
316 static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
318 char *line = *lineptr;
322 int c = getc(stream);
326 if (add_byte(c, &line, slen, n) < 0)
331 if (add_byte('\0', &line, slen, n) < 0)
338 if (add_byte(c, &line, slen, n) < 0)
350 int conf_read_simple(const char *name, int def)
354 size_t line_asize = 0;
360 in = zconf_fopen(name);
362 struct property *prop;
364 name = conf_get_configname();
365 in = zconf_fopen(name);
368 sym_add_change_count(1);
369 if (!sym_defconfig_list)
372 for_all_defaults(sym_defconfig_list, prop) {
373 if (expr_calc_value(prop->visible.expr) == no ||
374 prop->expr->type != E_SYMBOL)
376 sym_calc_value(prop->expr->left.sym);
377 name = sym_get_string_value(prop->expr->left.sym);
378 in = zconf_fopen(name);
380 conf_message("using defaults found in %s",
390 conf_filename = name;
394 def_flags = SYMBOL_DEF << def;
395 for_all_symbols(i, sym) {
396 sym->flags |= SYMBOL_CHANGED;
397 sym->flags &= ~(def_flags|SYMBOL_VALID);
398 if (sym_is_choice(sym))
399 sym->flags |= def_flags;
404 if (sym->def[def].val)
405 free(sym->def[def].val);
408 sym->def[def].val = NULL;
409 sym->def[def].tri = no;
413 while (compat_getline(&line, &line_asize, in) != -1) {
416 if (line[0] == '#') {
417 if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
419 p = strchr(line + 2 + strlen(CONFIG_), ' ');
423 if (strncmp(p, "is not set", 10))
425 if (def == S_DEF_USER) {
426 sym = sym_find(line + 2 + strlen(CONFIG_));
428 sym_add_change_count(1);
432 sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
433 if (sym->type == S_UNKNOWN)
434 sym->type = S_BOOLEAN;
436 if (sym->flags & def_flags) {
437 conf_warning("override: reassigning to symbol %s", sym->name);
442 sym->def[def].tri = no;
443 sym->flags |= def_flags;
448 } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
449 p = strchr(line + strlen(CONFIG_), '=');
453 p2 = strchr(p, '\n');
460 sym = sym_find(line + strlen(CONFIG_));
462 if (def == S_DEF_AUTO)
464 * Reading from include/config/auto.conf
465 * If CONFIG_FOO previously existed in
466 * auto.conf but it is missing now,
467 * include/config/foo.h must be touched.
469 conf_touch_dep(line + strlen(CONFIG_));
471 sym_add_change_count(1);
475 if (sym->flags & def_flags) {
476 conf_warning("override: reassigning to symbol %s", sym->name);
478 if (conf_set_sym_val(sym, def, def_flags, p))
481 if (line[0] != '\r' && line[0] != '\n')
482 conf_warning("unexpected data: %.*s",
483 (int)strcspn(line, "\r\n"), line);
488 if (sym && sym_is_choice_value(sym)) {
489 struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
490 switch (sym->def[def].tri) {
494 if (cs->def[def].tri == yes) {
495 conf_warning("%s creates inconsistent choice state", sym->name);
496 cs->flags &= ~def_flags;
500 if (cs->def[def].tri != no)
501 conf_warning("override: %s changes choice state", sym->name);
502 cs->def[def].val = sym;
505 cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
513 int conf_read(const char *name)
516 int conf_unsaved = 0;
519 sym_set_change_count(0);
521 if (conf_read_simple(name, S_DEF_USER)) {
522 sym_calc_value(modules_sym);
526 sym_calc_value(modules_sym);
528 for_all_symbols(i, sym) {
530 if (sym_is_choice(sym) || (sym->flags & SYMBOL_NO_WRITE))
532 if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
533 /* check that calculated value agrees with saved value */
537 if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
539 if (!sym_is_choice(sym))
543 if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
547 } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
548 /* no previous value and not saved */
551 /* maybe print value in verbose mode... */
554 for_all_symbols(i, sym) {
555 if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
556 /* Reset values of generates values, so they'll appear
557 * as new, if they should become visible, but that
558 * doesn't quite work if the Kconfig and the saved
559 * configuration disagree.
561 if (sym->visible == no && !conf_unsaved)
562 sym->flags &= ~SYMBOL_DEF_USER;
567 /* Reset a string value if it's out of range */
568 if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
570 sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
579 sym_add_change_count(conf_warnings || conf_unsaved);
585 * Kconfig configuration printer
587 * This printer is used when generating the resulting configuration after
588 * kconfig invocation and `defconfig' files. Unset symbol might be omitted by
589 * passing a non-NULL argument to the printer.
593 kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
600 bool skip_unset = (arg != NULL);
603 fprintf(fp, "# %s%s is not set\n",
612 fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
616 kconfig_print_cmake_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
623 bool skip_unset = (arg != NULL);
626 fprintf(fp, "set(%s%s false)\n",
627 CONFIG_, sym->name, value);
629 } else if (*value == 'm') {
632 fprintf(fp, "set(%s%s true)\n", CONFIG_, sym->name, value);
636 const char *prefix = "";
638 if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
640 fprintf(fp, "set(%s%s %s%s)\n",
641 CONFIG_, sym->name, prefix, value);
646 fprintf(fp, "set(%s%s %s)\n",
647 CONFIG_, sym->name, value);
656 kconfig_print_comment(FILE *fp, const char *value, void *arg)
658 const char *p = value;
662 l = strcspn(p, "\n");
666 xfwrite(p, l, 1, fp);
675 static struct conf_printer kconfig_printer_cb =
677 .print_symbol = kconfig_print_symbol,
678 .print_comment = kconfig_print_comment,
681 static struct conf_printer kconfig_printer_cmake_cb =
683 .print_symbol = kconfig_print_cmake_symbol,
684 .print_comment = kconfig_print_comment,
690 * This printer is used when generating the `include/generated/autoconf.h' file.
693 header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
699 const char *suffix = "";
708 fprintf(fp, "#define %s%s%s 1\n",
709 CONFIG_, sym->name, suffix);
714 const char *prefix = "";
716 if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
718 fprintf(fp, "#define %s%s %s%s\n",
719 CONFIG_, sym->name, prefix, value);
724 fprintf(fp, "#define %s%s %s\n",
725 CONFIG_, sym->name, value);
734 header_print_comment(FILE *fp, const char *value, void *arg)
736 const char *p = value;
741 l = strcspn(p, "\n");
745 xfwrite(p, l, 1, fp);
752 fprintf(fp, " */\n");
755 static struct conf_printer header_printer_cb =
757 .print_symbol = header_print_symbol,
758 .print_comment = header_print_comment,
764 * This printer is used when generating the `include/generated/tristate.conf' file.
767 tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
770 if (sym->type == S_TRISTATE && *value != 'n')
771 fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value));
774 static struct conf_printer tristate_printer_cb =
776 .print_symbol = tristate_print_symbol,
777 .print_comment = kconfig_print_comment,
780 static void conf_write_symbol(FILE *fp, struct symbol *sym,
781 struct conf_printer *printer, void *printer_arg)
789 str = sym_get_string_value(sym);
790 str = sym_escape_string_value(str);
791 printer->print_symbol(fp, sym, str, printer_arg);
795 str = sym_get_string_value(sym);
796 printer->print_symbol(fp, sym, str, printer_arg);
801 conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg)
805 snprintf(buf, sizeof(buf),
807 "Automatically generated file; DO NOT EDIT.\n"
809 rootmenu.prompt->text);
811 printer->print_comment(fp, buf, printer_arg);
815 * Write out a minimal config.
816 * All values that has default values are skipped as this is redundant.
818 int conf_write_defconfig(const char *filename)
824 out = fopen(filename, "w");
828 sym_clear_all_valid();
830 /* Traverse all menus to find all relevant symbols */
831 menu = rootmenu.list;
837 if (!menu_is_visible(menu))
839 } else if (!sym_is_choice(sym)) {
841 if (!(sym->flags & SYMBOL_WRITE))
843 sym->flags &= ~SYMBOL_WRITE;
844 /* If we cannot change the symbol - skip */
845 if (!sym_is_changeable(sym))
847 /* If symbol equals to default value - skip */
848 if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
852 * If symbol is a choice value and equals to the
853 * default for a choice - skip.
854 * But only if value is bool and equal to "y" and
855 * choice is not "optional".
856 * (If choice is "optional" then all values can be "n")
858 if (sym_is_choice_value(sym)) {
862 cs = prop_get_symbol(sym_get_choice_prop(sym));
863 ds = sym_choice_default(cs);
864 if (!sym_is_optional(cs) && sym == ds) {
865 if ((sym->type == S_BOOLEAN) &&
866 sym_get_tristate_value(sym) == yes)
870 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
873 if (menu->list != NULL) {
876 else if (menu->next != NULL) {
879 while ((menu = menu->parent)) {
880 if (menu->next != NULL) {
891 int conf_write(const char *name)
897 char tmpname[PATH_MAX + 1], oldname[PATH_MAX + 1];
899 bool need_newline = false;
902 name = conf_get_configname();
905 fprintf(stderr, "config name is empty\n");
910 fprintf(stderr, "%s: Is a directory\n", name);
914 if (make_parent_dir(name))
917 env = getenv("KCONFIG_OVERWRITECONFIG");
920 out = fopen(name, "w");
922 snprintf(tmpname, sizeof(tmpname), "%s.%d.tmp",
923 name, (int)getpid());
924 out = fopen(tmpname, "w");
929 conf_write_heading(out, &kconfig_printer_cb, NULL);
931 if (!conf_get_changed())
932 sym_clear_all_valid();
934 menu = rootmenu.list;
938 if (!menu_is_visible(menu))
940 str = menu_get_prompt(menu);
945 need_newline = false;
946 } else if (!(sym->flags & SYMBOL_CHOICE)) {
948 if (!(sym->flags & SYMBOL_WRITE))
952 need_newline = false;
954 sym->flags &= ~SYMBOL_WRITE;
955 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
965 else while ((menu = menu->parent)) {
966 if (!menu->sym && menu_is_visible(menu) &&
968 str = menu_get_prompt(menu);
969 fprintf(out, "# end of %s\n", str);
981 if (is_same(name, tmpname)) {
982 conf_message("No change to %s", name);
984 sym_set_change_count(0);
988 snprintf(oldname, sizeof(oldname), "%s.old", name);
989 rename(name, oldname);
990 if (rename(tmpname, name))
994 conf_message("configuration written to %s", name);
996 sym_set_change_count(0);
1001 /* write a dependency file as used by kbuild to track dependencies */
1002 static int conf_write_dep(const char *name)
1007 out = fopen("..config.tmp", "w");
1010 fprintf(out, "deps_config := \\\n");
1011 for (file = file_list; file; file = file->next) {
1013 fprintf(out, "\t%s \\\n", file->name);
1015 fprintf(out, "\t%s\n", file->name);
1017 fprintf(out, "\n%s: \\\n"
1018 "\t$(deps_config)\n\n", conf_get_autoconfig_name());
1020 env_write_dep(out, conf_get_autoconfig_name());
1022 fprintf(out, "\n$(deps_config): ;\n");
1025 if (make_parent_dir(name))
1027 rename("..config.tmp", name);
1031 static int conf_touch_deps(void)
1037 strcpy(depfile_path, "include/generated/");
1038 depfile_prefix_len = strlen(depfile_path);
1040 name = conf_get_autoconfig_name();
1041 conf_read_simple(name, S_DEF_AUTO);
1042 sym_calc_value(modules_sym);
1044 for_all_symbols(i, sym) {
1045 sym_calc_value(sym);
1046 if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name)
1048 if (sym->flags & SYMBOL_WRITE) {
1049 if (sym->flags & SYMBOL_DEF_AUTO) {
1051 * symbol has old and new value,
1052 * so compare them...
1054 switch (sym->type) {
1057 if (sym_get_tristate_value(sym) ==
1058 sym->def[S_DEF_AUTO].tri)
1064 if (!strcmp(sym_get_string_value(sym),
1065 sym->def[S_DEF_AUTO].val))
1073 * If there is no old value, only 'no' (unset)
1074 * is allowed as new value.
1076 switch (sym->type) {
1079 if (sym_get_tristate_value(sym) == no)
1086 } else if (!(sym->flags & SYMBOL_DEF_AUTO))
1087 /* There is neither an old nor a new value. */
1090 * There is an old value, but no new value ('no' (unset)
1091 * isn't saved in auto.conf, so the old value is always
1092 * different from 'no').
1095 res = conf_touch_dep(sym->name);
1103 int conf_write_autoconf(int overwrite)
1107 const char *autoconf_name = conf_get_autoconfig_name();
1108 FILE *out, *tristate, *out_h, *out_c;
1111 if (!overwrite && is_present(autoconf_name))
1114 sym_clear_all_valid();
1116 conf_write_dep("include/generated/auto.conf.cmd");
1118 if (conf_touch_deps())
1121 out = fopen(".tmpconfig", "w");
1125 tristate = fopen(".tmpconfig_tristate", "w");
1131 out_h = fopen(".tmpconfig.h", "w");
1138 out_c = fopen(".tmpconfig.cmake", "w");
1145 conf_write_heading(out, &kconfig_printer_cb, NULL);
1147 conf_write_heading(tristate, &tristate_printer_cb, NULL);
1149 conf_write_heading(out_h, &header_printer_cb, NULL);
1151 conf_write_heading(out_c, &kconfig_printer_cmake_cb, NULL);
1153 for_all_symbols(i, sym) {
1154 sym_calc_value(sym);
1155 if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
1158 /* write symbol to auto.conf, tristate and header files */
1159 conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
1161 conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1);
1163 conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
1165 conf_write_symbol(out_c, sym, &kconfig_printer_cmake_cb, NULL);
1172 name = getenv("KCONFIG_AUTOHEADER");
1174 name = "include/generated/autoconf.h";
1175 if (make_parent_dir(name))
1177 if (rename(".tmpconfig.h", name))
1180 name = getenv("KCONFIG_TRISTATE");
1182 name = "include/generated/tristate.conf";
1183 if (make_parent_dir(name))
1185 if (rename(".tmpconfig_tristate", name))
1188 if (make_parent_dir(autoconf_name))
1191 name = getenv("KCONFIG_CMAKE");
1193 name = "config.cmake";
1194 if (make_parent_dir(name))
1196 if (rename(".tmpconfig.cmake", name))
1200 * This must be the last step, kbuild has a dependency on auto.conf
1201 * and this marks the successful completion of the previous steps.
1203 if (rename(".tmpconfig", autoconf_name))
1209 static int sym_change_count;
1210 static void (*conf_changed_callback)(void);
1212 void sym_set_change_count(int count)
1214 int _sym_change_count = sym_change_count;
1215 sym_change_count = count;
1216 if (conf_changed_callback &&
1217 (bool)_sym_change_count != (bool)count)
1218 conf_changed_callback();
1221 void sym_add_change_count(int count)
1223 sym_set_change_count(count + sym_change_count);
1226 bool conf_get_changed(void)
1228 return sym_change_count;
1231 void conf_set_changed_callback(void (*fn)(void))
1233 conf_changed_callback = fn;
1236 static bool randomize_choice_values(struct symbol *csym)
1238 struct property *prop;
1244 * If choice is mod then we may have more items selected
1245 * and if no then no-one.
1246 * In both cases stop.
1248 if (csym->curr.tri != yes)
1251 prop = sym_get_choice_prop(csym);
1253 /* count entries in choice block */
1255 expr_list_for_each_sym(prop->expr, e, sym)
1259 * find a random value and set it to yes,
1260 * set the rest to no so we have only one set
1262 def = (rand() % cnt);
1265 expr_list_for_each_sym(prop->expr, e, sym) {
1267 sym->def[S_DEF_USER].tri = yes;
1268 csym->def[S_DEF_USER].val = sym;
1271 sym->def[S_DEF_USER].tri = no;
1273 sym->flags |= SYMBOL_DEF_USER;
1274 /* clear VALID to get value calculated */
1275 sym->flags &= ~SYMBOL_VALID;
1277 csym->flags |= SYMBOL_DEF_USER;
1278 /* clear VALID to get value calculated */
1279 csym->flags &= ~(SYMBOL_VALID);
1284 void set_all_choice_values(struct symbol *csym)
1286 struct property *prop;
1290 prop = sym_get_choice_prop(csym);
1293 * Set all non-assinged choice values to no
1295 expr_list_for_each_sym(prop->expr, e, sym) {
1296 if (!sym_has_value(sym))
1297 sym->def[S_DEF_USER].tri = no;
1299 csym->flags |= SYMBOL_DEF_USER;
1300 /* clear VALID to get value calculated */
1301 csym->flags &= ~(SYMBOL_VALID | SYMBOL_NEED_SET_CHOICE_VALUES);
1304 bool conf_set_all_new_symbols(enum conf_def_mode mode)
1306 struct symbol *sym, *csym;
1307 int i, cnt, pby, pty, ptm; /* pby: probability of bool = y
1308 * pty: probability of tristate = y
1309 * ptm: probability of tristate = m
1312 pby = 50; pty = ptm = 33; /* can't go as the default in switch-case
1313 * below, otherwise gcc whines about
1314 * -Wmaybe-uninitialized */
1315 if (mode == def_random) {
1317 char *env = getenv("KCONFIG_PROBABILITY");
1319 while( env && *env ) {
1321 int tmp = strtol( env, &endp, 10 );
1322 if( tmp >= 0 && tmp <= 100 ) {
1326 perror( "KCONFIG_PROBABILITY" );
1329 env = (*endp == ':') ? endp+1 : endp;
1336 pby = p[0]; ptm = pby/2; pty = pby-ptm;
1339 pty = p[0]; ptm = p[1]; pby = pty + ptm;
1342 pby = p[0]; pty = p[1]; ptm = p[2];
1346 if( pty+ptm > 100 ) {
1348 perror( "KCONFIG_PROBABILITY" );
1352 bool has_changed = false;
1354 for_all_symbols(i, sym) {
1355 if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID))
1357 switch (sym_get_type(sym)) {
1363 sym->def[S_DEF_USER].tri = yes;
1366 sym->def[S_DEF_USER].tri = mod;
1369 if (sym->flags & SYMBOL_ALLNOCONFIG_Y)
1370 sym->def[S_DEF_USER].tri = yes;
1372 sym->def[S_DEF_USER].tri = no;
1375 sym->def[S_DEF_USER].tri = no;
1377 if (sym->type == S_TRISTATE) {
1379 sym->def[S_DEF_USER].tri = yes;
1380 else if (cnt < (pty+ptm))
1381 sym->def[S_DEF_USER].tri = mod;
1382 } else if (cnt < pby)
1383 sym->def[S_DEF_USER].tri = yes;
1388 if (!(sym_is_choice(sym) && mode == def_random))
1389 sym->flags |= SYMBOL_DEF_USER;
1397 sym_clear_all_valid();
1400 * We have different type of choice blocks.
1401 * If curr.tri equals to mod then we can select several
1402 * choice symbols in one block.
1403 * In this case we do nothing.
1404 * If curr.tri equals yes then only one symbol can be
1405 * selected in a choice block and we set it to yes,
1406 * and the rest to no.
1408 if (mode != def_random) {
1409 for_all_symbols(i, csym) {
1410 if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
1411 sym_is_choice_value(csym))
1412 csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
1416 for_all_symbols(i, csym) {
1417 if (sym_has_value(csym) || !sym_is_choice(csym))
1420 sym_calc_value(csym);
1421 if (mode == def_random)
1422 has_changed = randomize_choice_values(csym);
1424 set_all_choice_values(csym);