2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
13 #define LKC_DIRECT_LINK
16 const char conf_def_filename[] = ".config";
18 const char conf_defname[] = "sysdeps/linux/defconfig";
20 const char *conf_confnames[] = {
26 static char *conf_expand_value(const char *in)
30 static char res_value[SYMBOL_MAXLENGTH];
31 char *dst, name[SYMBOL_MAXLENGTH];
35 while ((src = strchr(in, '$'))) {
36 strncat(res_value, in, src - in);
39 while (isalnum(*src) || *src == '_')
42 sym = sym_lookup(name, 0);
44 strcat(res_value, sym_get_string_value(sym));
47 strcat(res_value, in);
52 char *conf_get_default_confname(void)
55 static char fullname[PATH_MAX+1];
58 name = conf_expand_value(conf_defname);
59 env = getenv(SRCTREE);
61 sprintf(fullname, "%s/%s", env, name);
62 if (!stat(fullname, &buf))
68 int conf_read(const char *name)
75 struct property *prop;
80 in = zconf_fopen(name);
82 const char **names = conf_confnames;
83 while ((name = *names++)) {
84 name = conf_expand_value(name);
85 in = zconf_fopen(name);
88 "# using defaults found in %s\n"
98 for_all_symbols(i, sym) {
99 sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
100 sym->flags &= ~SYMBOL_VALID;
108 sym->user.val = NULL;
113 while (fgets(line, sizeof(line), in)) {
120 p = strchr(line + 2, ' ');
124 if (strncmp(p, "is not set", 10))
126 sym = sym_find(line + 2);
128 fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line + 2);
135 sym->flags &= ~SYMBOL_NEW;
143 p = strchr(line, '=');
147 p2 = strchr(p, '\n');
150 sym = sym_find(line);
152 fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line);
159 sym->flags &= ~SYMBOL_NEW;
165 sym->flags &= ~SYMBOL_NEW;
170 sym->flags &= ~SYMBOL_NEW;
177 for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
182 memmove(p2, p2 + 1, strlen(p2));
185 fprintf(stderr, "%s:%d: invalid string found\n", name, lineno);
190 if (sym_string_valid(sym, p)) {
191 sym->user.val = strdup(p);
192 sym->flags &= ~SYMBOL_NEW;
194 fprintf(stderr, "%s:%d: symbol value '%s' invalid for %s\n", name, lineno, p, sym->name);
207 if (sym && sym_is_choice_value(sym)) {
208 struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
209 switch (sym->user.tri) {
213 if (cs->user.tri == yes)
217 if (cs->user.tri != no)
222 cs->user.tri = E_OR(cs->user.tri, sym->user.tri);
223 cs->flags &= ~SYMBOL_NEW;
229 sym_calc_value(modules_sym);
230 for_all_symbols(i, sym) {
232 if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
233 if (sym->visible == no)
234 sym->flags |= SYMBOL_NEW;
239 if (!sym_string_within_range(sym, sym->user.val))
240 sym->flags |= SYMBOL_NEW;
245 if (!sym_is_choice(sym))
247 prop = sym_get_choice_prop(sym);
248 for (e = prop->expr; e; e = e->left.expr)
249 if (e->right.sym->visible != no)
250 sym->flags |= e->right.sym->flags & SYMBOL_NEW;
253 sym_change_count = 1;
258 int conf_write(const char *name)
263 const char *basename;
264 char dirname[128], tmpname[128], newname[128];
269 if (name && name[0]) {
273 if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
274 strcpy(dirname, name);
275 strcat(dirname, "/");
276 basename = conf_def_filename;
277 } else if ((slash = strrchr(name, '/'))) {
278 int size = slash - name + 1;
279 memcpy(dirname, name, size);
282 basename = slash + 1;
284 basename = conf_def_filename;
288 basename = conf_def_filename;
290 sprintf(newname, "%s.tmpconfig.%d", dirname, getpid());
291 out = fopen(newname, "w");
296 out_h = fopen(".tmpconfig.h", "w");
301 "# Automatically generated make config: don't edit\n"
304 fprintf(out_h, "/*\n"
305 " * Automatically generated header file: don't edit\n"
307 "#define AUTOCONF_INCLUDED\n\n"
308 "/* Version Number */\n"
309 "#define BB_VER \"%s\"\n"
310 "#define BB_BT \"%s\"\n",
312 getenv("BUILDTIME"));
313 if (getenv("EXTRA_VERSION"))
314 fprintf(out_h, "#define BB_EXTRA_VERSION \"%s\"\n",
315 getenv("EXTRA_VERSION"));
316 fprintf(out_h, "\n");
319 if (!sym_change_count)
320 sym_clear_all_valid();
322 menu = rootmenu.list;
326 if (!menu_is_visible(menu))
328 str = menu_get_prompt(menu);
338 } else if (!(sym->flags & SYMBOL_CHOICE)) {
340 if (!(sym->flags & SYMBOL_WRITE))
342 sym->flags &= ~SYMBOL_WRITE;
344 if (type == S_TRISTATE) {
345 sym_calc_value(modules_sym);
346 if (modules_sym->curr.tri == no)
352 switch (sym_get_tristate_value(sym)) {
354 fprintf(out, "# %s is not set\n", sym->name);
356 fprintf(out_h, "#undef %s\n", sym->name);
359 fprintf(out, "%s=m\n", sym->name);
362 fprintf(out_h, "#define %s_MODULE 1\n", sym->name);
366 fprintf(out, "%s=y\n", sym->name);
368 fprintf(out_h, "#define %s 1\n", sym->name);
374 str = sym_get_string_value(sym);
375 fprintf(out, "%s=\"", sym->name);
377 fprintf(out_h, "#define %s \"", sym->name);
379 l = strcspn(str, "\"\\");
381 fwrite(str, l, 1, out);
383 fwrite(str, l, 1, out_h);
386 while (*str == '\\' || *str == '"') {
387 fprintf(out, "\\%c", *str);
389 fprintf(out_h, "\\%c", *str);
395 fputs("\"\n", out_h);
398 str = sym_get_string_value(sym);
399 if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
400 fprintf(out, "%s=%s\n", sym->name, str);
402 fprintf(out_h, "#define %s 0x%s\n", sym->name, str);
406 str = sym_get_string_value(sym);
407 fprintf(out, "%s=%s\n", sym->name, str);
409 fprintf(out_h, "#define %s %s\n", sym->name, str);
421 else while ((menu = menu->parent)) {
431 rename(".tmpconfig.h", "include/config.h");
432 file_write_dep(NULL);
434 if (!name || basename != conf_def_filename) {
436 name = conf_def_filename;
437 sprintf(tmpname, "%s.old", name);
438 rename(name, tmpname);
440 sprintf(tmpname, "%s%s", dirname, basename);
441 if (rename(newname, tmpname))
444 sym_change_count = 0;