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 const char conf_defname[] = "include/generated/defconfig";
182 static void conf_warning(const char *fmt, ...)
186 fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
187 vfprintf(stderr, fmt, ap);
188 fprintf(stderr, "\n");
193 static void conf_default_message_callback(const char *s)
200 static void (*conf_message_callback)(const char *s) =
201 conf_default_message_callback;
202 void conf_set_message_callback(void (*fn)(const char *s))
204 conf_message_callback = fn;
207 static void conf_message(const char *fmt, ...)
212 if (!conf_message_callback)
217 vsnprintf(buf, sizeof(buf), fmt, ap);
218 conf_message_callback(buf);
222 const char *conf_get_configname(void)
224 char *name = getenv("KCONFIG_CONFIG");
226 return name ? name : ".config";
229 const char *conf_get_autoconfig_name(void)
231 char *name = getenv("KCONFIG_AUTOCONFIG");
233 return name ? name : "include/generated/auto.conf";
236 char *conf_get_default_confname(void)
238 static char fullname[PATH_MAX+1];
241 name = expand_string(conf_defname);
242 env = getenv(SRCTREE);
244 sprintf(fullname, "%s/%s", env, name);
245 if (is_present(fullname))
251 static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
258 sym->def[def].tri = mod;
259 sym->flags |= def_flags;
265 sym->def[def].tri = yes;
266 sym->flags |= def_flags;
270 sym->def[def].tri = no;
271 sym->flags |= def_flags;
274 if (def != S_DEF_AUTO)
275 conf_warning("symbol value '%s' invalid for %s",
281 for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
286 memmove(p2, p2 + 1, strlen(p2));
289 if (def != S_DEF_AUTO)
290 conf_warning("invalid string found");
296 if (sym_string_valid(sym, p)) {
297 sym->def[def].val = xstrdup(p);
298 sym->flags |= def_flags;
300 if (def != S_DEF_AUTO)
301 conf_warning("symbol value '%s' invalid for %s",
312 #define LINE_GROWTH 16
313 static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
316 size_t new_size = slen + 1;
318 new_size += LINE_GROWTH - 1;
320 nline = xrealloc(*lineptr, new_size);
328 (*lineptr)[slen] = c;
333 static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
335 char *line = *lineptr;
339 int c = getc(stream);
343 if (add_byte(c, &line, slen, n) < 0)
348 if (add_byte('\0', &line, slen, n) < 0)
355 if (add_byte(c, &line, slen, n) < 0)
367 int conf_read_simple(const char *name, int def)
371 size_t line_asize = 0;
377 in = zconf_fopen(name);
379 struct property *prop;
381 name = conf_get_configname();
382 in = zconf_fopen(name);
385 sym_add_change_count(1);
386 if (!sym_defconfig_list)
389 for_all_defaults(sym_defconfig_list, prop) {
390 if (expr_calc_value(prop->visible.expr) == no ||
391 prop->expr->type != E_SYMBOL)
393 sym_calc_value(prop->expr->left.sym);
394 name = sym_get_string_value(prop->expr->left.sym);
395 in = zconf_fopen(name);
397 conf_message("using defaults found in %s",
407 conf_filename = name;
411 def_flags = SYMBOL_DEF << def;
412 for_all_symbols(i, sym) {
413 sym->flags |= SYMBOL_CHANGED;
414 sym->flags &= ~(def_flags|SYMBOL_VALID);
415 if (sym_is_choice(sym))
416 sym->flags |= def_flags;
421 if (sym->def[def].val)
422 free(sym->def[def].val);
425 sym->def[def].val = NULL;
426 sym->def[def].tri = no;
430 while (compat_getline(&line, &line_asize, in) != -1) {
433 if (line[0] == '#') {
434 if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
436 p = strchr(line + 2 + strlen(CONFIG_), ' ');
440 if (strncmp(p, "is not set", 10))
442 if (def == S_DEF_USER) {
443 sym = sym_find(line + 2 + strlen(CONFIG_));
445 sym_add_change_count(1);
449 sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
450 if (sym->type == S_UNKNOWN)
451 sym->type = S_BOOLEAN;
453 if (sym->flags & def_flags) {
454 conf_warning("override: reassigning to symbol %s", sym->name);
459 sym->def[def].tri = no;
460 sym->flags |= def_flags;
465 } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
466 p = strchr(line + strlen(CONFIG_), '=');
470 p2 = strchr(p, '\n');
477 sym = sym_find(line + strlen(CONFIG_));
479 if (def == S_DEF_AUTO)
481 * Reading from include/config/auto.conf
482 * If CONFIG_FOO previously existed in
483 * auto.conf but it is missing now,
484 * include/config/foo.h must be touched.
486 conf_touch_dep(line + strlen(CONFIG_));
488 sym_add_change_count(1);
492 if (sym->flags & def_flags) {
493 conf_warning("override: reassigning to symbol %s", sym->name);
495 if (conf_set_sym_val(sym, def, def_flags, p))
498 if (line[0] != '\r' && line[0] != '\n')
499 conf_warning("unexpected data: %.*s",
500 (int)strcspn(line, "\r\n"), line);
505 if (sym && sym_is_choice_value(sym)) {
506 struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
507 switch (sym->def[def].tri) {
511 if (cs->def[def].tri == yes) {
512 conf_warning("%s creates inconsistent choice state", sym->name);
513 cs->flags &= ~def_flags;
517 if (cs->def[def].tri != no)
518 conf_warning("override: %s changes choice state", sym->name);
519 cs->def[def].val = sym;
522 cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
530 int conf_read(const char *name)
533 int conf_unsaved = 0;
536 sym_set_change_count(0);
538 if (conf_read_simple(name, S_DEF_USER)) {
539 sym_calc_value(modules_sym);
543 sym_calc_value(modules_sym);
545 for_all_symbols(i, sym) {
547 if (sym_is_choice(sym) || (sym->flags & SYMBOL_NO_WRITE))
549 if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
550 /* check that calculated value agrees with saved value */
554 if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
556 if (!sym_is_choice(sym))
560 if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
564 } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
565 /* no previous value and not saved */
568 /* maybe print value in verbose mode... */
571 for_all_symbols(i, sym) {
572 if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
573 /* Reset values of generates values, so they'll appear
574 * as new, if they should become visible, but that
575 * doesn't quite work if the Kconfig and the saved
576 * configuration disagree.
578 if (sym->visible == no && !conf_unsaved)
579 sym->flags &= ~SYMBOL_DEF_USER;
584 /* Reset a string value if it's out of range */
585 if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
587 sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
596 sym_add_change_count(conf_warnings || conf_unsaved);
602 * Kconfig configuration printer
604 * This printer is used when generating the resulting configuration after
605 * kconfig invocation and `defconfig' files. Unset symbol might be omitted by
606 * passing a non-NULL argument to the printer.
610 kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
617 bool skip_unset = (arg != NULL);
620 fprintf(fp, "# %s%s is not set\n",
629 fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
633 kconfig_print_cmake_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
640 bool skip_unset = (arg != NULL);
643 fprintf(fp, "set(%s%s false)\n",
644 CONFIG_, sym->name, value);
646 } else if (*value == 'm') {
649 fprintf(fp, "set(%s%s true)\n", CONFIG_, sym->name, value);
653 const char *prefix = "";
655 if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
657 fprintf(fp, "set(%s%s %s%s)\n",
658 CONFIG_, sym->name, prefix, value);
663 fprintf(fp, "set(%s%s %s)\n",
664 CONFIG_, sym->name, value);
673 kconfig_print_comment(FILE *fp, const char *value, void *arg)
675 const char *p = value;
679 l = strcspn(p, "\n");
683 xfwrite(p, l, 1, fp);
692 static struct conf_printer kconfig_printer_cb =
694 .print_symbol = kconfig_print_symbol,
695 .print_comment = kconfig_print_comment,
698 static struct conf_printer kconfig_printer_cmake_cb =
700 .print_symbol = kconfig_print_cmake_symbol,
701 .print_comment = kconfig_print_comment,
707 * This printer is used when generating the `include/generated/autoconf.h' file.
710 header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
716 const char *suffix = "";
725 fprintf(fp, "#define %s%s%s 1\n",
726 CONFIG_, sym->name, suffix);
731 const char *prefix = "";
733 if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
735 fprintf(fp, "#define %s%s %s%s\n",
736 CONFIG_, sym->name, prefix, value);
741 fprintf(fp, "#define %s%s %s\n",
742 CONFIG_, sym->name, value);
751 header_print_comment(FILE *fp, const char *value, void *arg)
753 const char *p = value;
758 l = strcspn(p, "\n");
762 xfwrite(p, l, 1, fp);
769 fprintf(fp, " */\n");
772 static struct conf_printer header_printer_cb =
774 .print_symbol = header_print_symbol,
775 .print_comment = header_print_comment,
781 * This printer is used when generating the `include/generated/tristate.conf' file.
784 tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
787 if (sym->type == S_TRISTATE && *value != 'n')
788 fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value));
791 static struct conf_printer tristate_printer_cb =
793 .print_symbol = tristate_print_symbol,
794 .print_comment = kconfig_print_comment,
797 static void conf_write_symbol(FILE *fp, struct symbol *sym,
798 struct conf_printer *printer, void *printer_arg)
806 str = sym_get_string_value(sym);
807 str = sym_escape_string_value(str);
808 printer->print_symbol(fp, sym, str, printer_arg);
812 str = sym_get_string_value(sym);
813 printer->print_symbol(fp, sym, str, printer_arg);
818 conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg)
822 snprintf(buf, sizeof(buf),
824 "Automatically generated file; DO NOT EDIT.\n"
826 rootmenu.prompt->text);
828 printer->print_comment(fp, buf, printer_arg);
832 * Write out a minimal config.
833 * All values that has default values are skipped as this is redundant.
835 int conf_write_defconfig(const char *filename)
841 out = fopen(filename, "w");
845 sym_clear_all_valid();
847 /* Traverse all menus to find all relevant symbols */
848 menu = rootmenu.list;
854 if (!menu_is_visible(menu))
856 } else if (!sym_is_choice(sym)) {
858 if (!(sym->flags & SYMBOL_WRITE))
860 sym->flags &= ~SYMBOL_WRITE;
861 /* If we cannot change the symbol - skip */
862 if (!sym_is_changable(sym))
864 /* If symbol equals to default value - skip */
865 if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
869 * If symbol is a choice value and equals to the
870 * default for a choice - skip.
871 * But only if value is bool and equal to "y" and
872 * choice is not "optional".
873 * (If choice is "optional" then all values can be "n")
875 if (sym_is_choice_value(sym)) {
879 cs = prop_get_symbol(sym_get_choice_prop(sym));
880 ds = sym_choice_default(cs);
881 if (!sym_is_optional(cs) && sym == ds) {
882 if ((sym->type == S_BOOLEAN) &&
883 sym_get_tristate_value(sym) == yes)
887 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
890 if (menu->list != NULL) {
893 else if (menu->next != NULL) {
896 while ((menu = menu->parent)) {
897 if (menu->next != NULL) {
908 int conf_write(const char *name)
914 char tmpname[PATH_MAX + 1], oldname[PATH_MAX + 1];
918 name = conf_get_configname();
921 fprintf(stderr, "config name is empty\n");
926 fprintf(stderr, "%s: Is a directory\n", name);
930 if (make_parent_dir(name))
933 env = getenv("KCONFIG_OVERWRITECONFIG");
936 out = fopen(name, "w");
938 snprintf(tmpname, sizeof(tmpname), "%s.%d.tmp",
939 name, (int)getpid());
940 out = fopen(tmpname, "w");
945 conf_write_heading(out, &kconfig_printer_cb, NULL);
947 if (!conf_get_changed())
948 sym_clear_all_valid();
950 menu = rootmenu.list;
954 if (!menu_is_visible(menu))
956 str = menu_get_prompt(menu);
961 } else if (!(sym->flags & SYMBOL_CHOICE)) {
963 if (!(sym->flags & SYMBOL_WRITE))
965 sym->flags &= ~SYMBOL_WRITE;
967 conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
977 else while ((menu = menu->parent)) {
987 if (is_same(name, tmpname)) {
988 conf_message("No change to %s", name);
990 sym_set_change_count(0);
994 snprintf(oldname, sizeof(oldname), "%s.old", name);
995 rename(name, oldname);
996 if (rename(tmpname, name))
1000 conf_message("configuration written to %s", name);
1002 sym_set_change_count(0);
1007 /* write a dependency file as used by kbuild to track dependencies */
1008 static int conf_write_dep(const char *name)
1013 out = fopen("..config.tmp", "w");
1016 fprintf(out, "deps_config := \\\n");
1017 for (file = file_list; file; file = file->next) {
1019 fprintf(out, "\t%s \\\n", file->name);
1021 fprintf(out, "\t%s\n", file->name);
1023 fprintf(out, "\n%s: \\\n"
1024 "\t$(deps_config)\n\n", conf_get_autoconfig_name());
1026 env_write_dep(out, conf_get_autoconfig_name());
1028 fprintf(out, "\n$(deps_config): ;\n");
1031 if (make_parent_dir(name))
1033 rename("..config.tmp", name);
1037 static int conf_touch_deps(void)
1043 strcpy(depfile_path, "include/generated/");
1044 depfile_prefix_len = strlen(depfile_path);
1046 name = conf_get_autoconfig_name();
1047 conf_read_simple(name, S_DEF_AUTO);
1048 sym_calc_value(modules_sym);
1050 for_all_symbols(i, sym) {
1051 sym_calc_value(sym);
1052 if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name)
1054 if (sym->flags & SYMBOL_WRITE) {
1055 if (sym->flags & SYMBOL_DEF_AUTO) {
1057 * symbol has old and new value,
1058 * so compare them...
1060 switch (sym->type) {
1063 if (sym_get_tristate_value(sym) ==
1064 sym->def[S_DEF_AUTO].tri)
1070 if (!strcmp(sym_get_string_value(sym),
1071 sym->def[S_DEF_AUTO].val))
1079 * If there is no old value, only 'no' (unset)
1080 * is allowed as new value.
1082 switch (sym->type) {
1085 if (sym_get_tristate_value(sym) == no)
1092 } else if (!(sym->flags & SYMBOL_DEF_AUTO))
1093 /* There is neither an old nor a new value. */
1096 * There is an old value, but no new value ('no' (unset)
1097 * isn't saved in auto.conf, so the old value is always
1098 * different from 'no').
1101 res = conf_touch_dep(sym->name);
1109 int conf_write_autoconf(int overwrite)
1113 const char *autoconf_name = conf_get_autoconfig_name();
1114 FILE *out, *tristate, *out_h, *out_c;
1117 if (!overwrite && is_present(autoconf_name))
1120 sym_clear_all_valid();
1122 conf_write_dep("include/generated/auto.conf.cmd");
1124 if (conf_touch_deps())
1127 out = fopen(".tmpconfig", "w");
1131 tristate = fopen(".tmpconfig_tristate", "w");
1137 out_h = fopen(".tmpconfig.h", "w");
1144 out_c = fopen(".tmpconfig.cmake", "w");
1151 conf_write_heading(out, &kconfig_printer_cb, NULL);
1153 conf_write_heading(tristate, &tristate_printer_cb, NULL);
1155 conf_write_heading(out_h, &header_printer_cb, NULL);
1157 conf_write_heading(out_c, &kconfig_printer_cmake_cb, NULL);
1159 for_all_symbols(i, sym) {
1160 sym_calc_value(sym);
1161 if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
1164 /* write symbol to auto.conf, tristate and header files */
1165 conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
1167 conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1);
1169 conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
1171 conf_write_symbol(out_c, sym, &kconfig_printer_cmake_cb, NULL);
1178 name = getenv("KCONFIG_AUTOHEADER");
1180 name = "include/generated/autoconf.h";
1181 if (make_parent_dir(name))
1183 if (rename(".tmpconfig.h", name))
1186 name = getenv("KCONFIG_TRISTATE");
1188 name = "include/generated/tristate.conf";
1189 if (make_parent_dir(name))
1191 if (rename(".tmpconfig_tristate", name))
1194 if (make_parent_dir(autoconf_name))
1197 name = getenv("KCONFIG_CMAKE");
1199 name = "config.cmake";
1200 if (make_parent_dir(name))
1202 if (rename(".tmpconfig.cmake", name))
1206 * This must be the last step, kbuild has a dependency on auto.conf
1207 * and this marks the successful completion of the previous steps.
1209 if (rename(".tmpconfig", autoconf_name))
1215 static int sym_change_count;
1216 static void (*conf_changed_callback)(void);
1218 void sym_set_change_count(int count)
1220 int _sym_change_count = sym_change_count;
1221 sym_change_count = count;
1222 if (conf_changed_callback &&
1223 (bool)_sym_change_count != (bool)count)
1224 conf_changed_callback();
1227 void sym_add_change_count(int count)
1229 sym_set_change_count(count + sym_change_count);
1232 bool conf_get_changed(void)
1234 return sym_change_count;
1237 void conf_set_changed_callback(void (*fn)(void))
1239 conf_changed_callback = fn;
1242 static bool randomize_choice_values(struct symbol *csym)
1244 struct property *prop;
1250 * If choice is mod then we may have more items selected
1251 * and if no then no-one.
1252 * In both cases stop.
1254 if (csym->curr.tri != yes)
1257 prop = sym_get_choice_prop(csym);
1259 /* count entries in choice block */
1261 expr_list_for_each_sym(prop->expr, e, sym)
1265 * find a random value and set it to yes,
1266 * set the rest to no so we have only one set
1268 def = (rand() % cnt);
1271 expr_list_for_each_sym(prop->expr, e, sym) {
1273 sym->def[S_DEF_USER].tri = yes;
1274 csym->def[S_DEF_USER].val = sym;
1277 sym->def[S_DEF_USER].tri = no;
1279 sym->flags |= SYMBOL_DEF_USER;
1280 /* clear VALID to get value calculated */
1281 sym->flags &= ~SYMBOL_VALID;
1283 csym->flags |= SYMBOL_DEF_USER;
1284 /* clear VALID to get value calculated */
1285 csym->flags &= ~(SYMBOL_VALID);
1290 void set_all_choice_values(struct symbol *csym)
1292 struct property *prop;
1296 prop = sym_get_choice_prop(csym);
1299 * Set all non-assinged choice values to no
1301 expr_list_for_each_sym(prop->expr, e, sym) {
1302 if (!sym_has_value(sym))
1303 sym->def[S_DEF_USER].tri = no;
1305 csym->flags |= SYMBOL_DEF_USER;
1306 /* clear VALID to get value calculated */
1307 csym->flags &= ~(SYMBOL_VALID | SYMBOL_NEED_SET_CHOICE_VALUES);
1310 bool conf_set_all_new_symbols(enum conf_def_mode mode)
1312 struct symbol *sym, *csym;
1313 int i, cnt, pby, pty, ptm; /* pby: probability of bool = y
1314 * pty: probability of tristate = y
1315 * ptm: probability of tristate = m
1318 pby = 50; pty = ptm = 33; /* can't go as the default in switch-case
1319 * below, otherwise gcc whines about
1320 * -Wmaybe-uninitialized */
1321 if (mode == def_random) {
1323 char *env = getenv("KCONFIG_PROBABILITY");
1325 while( env && *env ) {
1327 int tmp = strtol( env, &endp, 10 );
1328 if( tmp >= 0 && tmp <= 100 ) {
1332 perror( "KCONFIG_PROBABILITY" );
1335 env = (*endp == ':') ? endp+1 : endp;
1342 pby = p[0]; ptm = pby/2; pty = pby-ptm;
1345 pty = p[0]; ptm = p[1]; pby = pty + ptm;
1348 pby = p[0]; pty = p[1]; ptm = p[2];
1352 if( pty+ptm > 100 ) {
1354 perror( "KCONFIG_PROBABILITY" );
1358 bool has_changed = false;
1360 for_all_symbols(i, sym) {
1361 if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID))
1363 switch (sym_get_type(sym)) {
1369 sym->def[S_DEF_USER].tri = yes;
1372 sym->def[S_DEF_USER].tri = mod;
1375 if (sym->flags & SYMBOL_ALLNOCONFIG_Y)
1376 sym->def[S_DEF_USER].tri = yes;
1378 sym->def[S_DEF_USER].tri = no;
1381 sym->def[S_DEF_USER].tri = no;
1383 if (sym->type == S_TRISTATE) {
1385 sym->def[S_DEF_USER].tri = yes;
1386 else if (cnt < (pty+ptm))
1387 sym->def[S_DEF_USER].tri = mod;
1388 } else if (cnt < pby)
1389 sym->def[S_DEF_USER].tri = yes;
1394 if (!(sym_is_choice(sym) && mode == def_random))
1395 sym->flags |= SYMBOL_DEF_USER;
1403 sym_clear_all_valid();
1406 * We have different type of choice blocks.
1407 * If curr.tri equals to mod then we can select several
1408 * choice symbols in one block.
1409 * In this case we do nothing.
1410 * If curr.tri equals yes then only one symbol can be
1411 * selected in a choice block and we set it to yes,
1412 * and the rest to no.
1414 if (mode != def_random) {
1415 for_all_symbols(i, csym) {
1416 if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
1417 sym_is_choice_value(csym))
1418 csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
1422 for_all_symbols(i, csym) {
1423 if (sym_has_value(csym) || !sym_is_choice(csym))
1426 sym_calc_value(csym);
1427 if (mode == def_random)
1428 has_changed = randomize_choice_values(csym);
1430 set_all_choice_values(csym);