mirror of https://github.com/hak5/openwrt.git
1246 lines
25 KiB
C
1246 lines
25 KiB
C
/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <sys/stat.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "lkc.h"
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static void conf_warning(const char *fmt, ...)
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__attribute__ ((format (printf, 1, 2)));
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static void conf_message(const char *fmt, ...)
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__attribute__ ((format (printf, 1, 2)));
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static const char *conf_filename;
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static int conf_lineno, conf_warnings, conf_unsaved;
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const char conf_defname[] = "arch/$ARCH/defconfig";
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static void conf_warning(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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conf_warnings++;
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}
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static void conf_default_message_callback(const char *fmt, va_list ap)
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{
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printf("#\n# ");
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vprintf(fmt, ap);
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printf("\n#\n");
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}
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static void (*conf_message_callback) (const char *fmt, va_list ap) =
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conf_default_message_callback;
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void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
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{
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conf_message_callback = fn;
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}
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static void conf_message(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if (conf_message_callback)
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conf_message_callback(fmt, ap);
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}
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const char *conf_get_configname(void)
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{
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char *name = getenv("KCONFIG_CONFIG");
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return name ? name : ".config";
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}
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const char *conf_get_autoconfig_name(void)
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{
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char *name = getenv("KCONFIG_AUTOCONFIG");
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return name ? name : "include/config/auto.conf";
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}
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static char *conf_expand_value(const char *in)
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{
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struct symbol *sym;
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const char *src;
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static char res_value[SYMBOL_MAXLENGTH];
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char *dst, name[SYMBOL_MAXLENGTH];
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res_value[0] = 0;
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dst = name;
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while ((src = strchr(in, '$'))) {
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strncat(res_value, in, src - in);
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src++;
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dst = name;
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while (isalnum(*src) || *src == '_')
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*dst++ = *src++;
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*dst = 0;
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sym = sym_lookup(name, 0);
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sym_calc_value(sym);
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strcat(res_value, sym_get_string_value(sym));
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in = src;
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}
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strcat(res_value, in);
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return res_value;
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}
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char *conf_get_default_confname(void)
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{
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struct stat buf;
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static char fullname[PATH_MAX+1];
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char *env, *name;
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name = conf_expand_value(conf_defname);
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env = getenv(SRCTREE);
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if (env) {
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sprintf(fullname, "%s/%s", env, name);
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if (!stat(fullname, &buf))
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return fullname;
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}
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return name;
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}
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static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
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{
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char *p2;
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switch (sym->type) {
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case S_TRISTATE:
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if (p[0] == 'm') {
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sym->def[def].tri = mod;
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sym->flags |= def_flags;
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break;
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}
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/* fall through */
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case S_BOOLEAN:
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if (p[0] == 'y') {
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sym->def[def].tri = yes;
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sym->flags |= def_flags;
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break;
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}
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if (p[0] == 'n') {
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sym->def[def].tri = no;
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sym->flags |= def_flags;
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break;
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}
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if (def != S_DEF_AUTO)
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conf_warning("symbol value '%s' invalid for %s",
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p, sym->name);
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return 1;
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case S_OTHER:
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if (*p != '"') {
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for (p2 = p; *p2 && !isspace(*p2); p2++)
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;
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sym->type = S_STRING;
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goto done;
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}
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/* fall through */
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case S_STRING:
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if (*p++ != '"')
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break;
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for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
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if (*p2 == '"') {
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*p2 = 0;
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break;
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}
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memmove(p2, p2 + 1, strlen(p2));
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}
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if (!p2) {
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if (def != S_DEF_AUTO)
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conf_warning("invalid string found");
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return 1;
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}
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/* fall through */
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case S_INT:
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case S_HEX:
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done:
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if (sym_string_valid(sym, p)) {
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sym->def[def].val = strdup(p);
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sym->flags |= def_flags;
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} else {
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if (def != S_DEF_AUTO)
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conf_warning("symbol value '%s' invalid for %s",
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p, sym->name);
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return 1;
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}
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break;
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default:
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;
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}
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return 0;
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}
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#define LINE_GROWTH 16
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static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
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{
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char *nline;
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size_t new_size = slen + 1;
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if (new_size > *n) {
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new_size += LINE_GROWTH - 1;
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new_size *= 2;
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nline = realloc(*lineptr, new_size);
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if (!nline)
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return -1;
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*lineptr = nline;
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*n = new_size;
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}
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(*lineptr)[slen] = c;
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return 0;
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}
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static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
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{
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char *line = *lineptr;
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size_t slen = 0;
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for (;;) {
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int c = getc(stream);
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switch (c) {
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case '\n':
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if (add_byte(c, &line, slen, n) < 0)
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goto e_out;
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slen++;
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/* fall through */
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case EOF:
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if (add_byte('\0', &line, slen, n) < 0)
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goto e_out;
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*lineptr = line;
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if (slen == 0)
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return -1;
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return slen;
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default:
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if (add_byte(c, &line, slen, n) < 0)
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goto e_out;
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slen++;
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}
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}
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e_out:
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line[slen-1] = '\0';
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*lineptr = line;
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return -1;
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}
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void conf_reset(int def)
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{
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struct symbol *sym;
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int i, def_flags;
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def_flags = SYMBOL_DEF << def;
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for_all_symbols(i, sym) {
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sym->flags |= SYMBOL_CHANGED;
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sym->flags &= ~(def_flags|SYMBOL_VALID);
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if (sym_is_choice(sym))
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sym->flags |= def_flags;
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switch (sym->type) {
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case S_INT:
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case S_HEX:
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case S_STRING:
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if (sym->def[def].val)
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free(sym->def[def].val);
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/* fall through */
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default:
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sym->def[def].val = NULL;
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sym->def[def].tri = no;
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}
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}
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}
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int conf_read_simple(const char *name, int def)
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{
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FILE *in = NULL;
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char *line = NULL;
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size_t line_asize = 0;
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char *p, *p2;
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struct symbol *sym;
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int def_flags;
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if (name) {
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in = zconf_fopen(name);
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} else {
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struct property *prop;
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name = conf_get_configname();
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in = zconf_fopen(name);
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if (in)
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goto load;
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sym_add_change_count(1);
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if (!sym_defconfig_list) {
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if (modules_sym)
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sym_calc_value(modules_sym);
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return 1;
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}
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for_all_defaults(sym_defconfig_list, prop) {
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if (expr_calc_value(prop->visible.expr) == no ||
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prop->expr->type != E_SYMBOL)
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continue;
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name = conf_expand_value(prop->expr->left.sym->name);
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in = zconf_fopen(name);
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if (in) {
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conf_message(_("using defaults found in %s"),
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name);
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goto load;
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}
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}
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}
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if (!in)
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return 1;
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load:
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conf_filename = name;
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conf_lineno = 0;
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conf_warnings = 0;
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conf_unsaved = 0;
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def_flags = SYMBOL_DEF << def;
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conf_reset(def);
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while (compat_getline(&line, &line_asize, in) != -1) {
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conf_lineno++;
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sym = NULL;
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if (line[0] == '#') {
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if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
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continue;
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p = strchr(line + 2 + strlen(CONFIG_), ' ');
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if (!p)
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continue;
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*p++ = 0;
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if (strncmp(p, "is not set", 10))
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continue;
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if (def == S_DEF_USER) {
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sym = sym_find(line + 2 + strlen(CONFIG_));
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if (!sym) {
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sym_add_change_count(1);
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goto setsym;
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}
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} else {
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sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
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if (sym->type == S_UNKNOWN)
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sym->type = S_BOOLEAN;
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}
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switch (sym->type) {
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case S_BOOLEAN:
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case S_TRISTATE:
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sym->def[def].tri = no;
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sym->flags |= def_flags;
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break;
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default:
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;
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}
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} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
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p = strchr(line + strlen(CONFIG_), '=');
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if (!p)
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continue;
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*p++ = 0;
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p2 = strchr(p, '\n');
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if (p2) {
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*p2-- = 0;
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if (*p2 == '\r')
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*p2 = 0;
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}
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if (def == S_DEF_USER) {
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sym = sym_find(line + strlen(CONFIG_));
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if (!sym) {
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sym_add_change_count(1);
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goto setsym;
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}
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} else {
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sym = sym_lookup(line + strlen(CONFIG_), 0);
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if (sym->type == S_UNKNOWN)
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sym->type = S_OTHER;
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}
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if (conf_set_sym_val(sym, def, def_flags, p))
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continue;
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} else {
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if (line[0] != '\r' && line[0] != '\n')
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conf_warning("unexpected data");
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continue;
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}
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setsym:
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if (sym && sym_is_choice_value(sym)) {
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struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
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switch (sym->def[def].tri) {
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case no:
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break;
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case mod:
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if (cs->def[def].tri == yes) {
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conf_warning("%s creates inconsistent choice state", sym->name);
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cs->flags &= ~def_flags;
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}
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break;
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case yes:
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if (cs->def[def].tri != no)
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conf_warning("override: %s changes choice state", sym->name);
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cs->def[def].val = sym;
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break;
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}
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cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
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}
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}
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free(line);
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fclose(in);
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if (modules_sym)
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sym_calc_value(modules_sym);
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return 0;
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}
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int conf_read(const char *name)
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{
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struct symbol *sym;
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int i;
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sym_set_change_count(0);
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if (conf_read_simple(name, S_DEF_USER))
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return 1;
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for_all_symbols(i, sym) {
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sym_calc_value(sym);
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if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
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continue;
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if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
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/* check that calculated value agrees with saved value */
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switch (sym->type) {
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case S_BOOLEAN:
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case S_TRISTATE:
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if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
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break;
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if (!sym_is_choice(sym))
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continue;
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/* fall through */
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default:
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if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
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continue;
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break;
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}
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} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
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/* no previous value and not saved */
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continue;
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conf_unsaved++;
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/* maybe print value in verbose mode... */
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}
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for_all_symbols(i, sym) {
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if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
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/* Reset values of generates values, so they'll appear
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* as new, if they should become visible, but that
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* doesn't quite work if the Kconfig and the saved
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* configuration disagree.
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*/
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if (sym->visible == no && !conf_unsaved)
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sym->flags &= ~SYMBOL_DEF_USER;
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switch (sym->type) {
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case S_STRING:
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case S_INT:
|
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case S_HEX:
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/* Reset a string value if it's out of range */
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if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
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break;
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sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
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conf_unsaved++;
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break;
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default:
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break;
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}
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}
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}
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sym_add_change_count(conf_warnings || conf_unsaved);
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return 0;
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}
|
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|
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/*
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* Kconfig configuration printer
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*
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* This printer is used when generating the resulting configuration after
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* kconfig invocation and `defconfig' files. Unset symbol might be omitted by
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* passing a non-NULL argument to the printer.
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*
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*/
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static void
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kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
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{
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switch (sym->type) {
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case S_BOOLEAN:
|
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case S_TRISTATE:
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if (*value == 'n') {
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bool skip_unset = (arg != NULL);
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|
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if (!skip_unset)
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fprintf(fp, "# %s%s is not set\n",
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CONFIG_, sym->name);
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return;
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}
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break;
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default:
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break;
|
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}
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fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
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}
|
|
|
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static void
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kconfig_print_comment(FILE *fp, const char *value, void *arg)
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|
{
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const char *p = value;
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size_t l;
|
|
|
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for (;;) {
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l = strcspn(p, "\n");
|
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fprintf(fp, "#");
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if (l) {
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fprintf(fp, " ");
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xfwrite(p, l, 1, fp);
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p += l;
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}
|
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fprintf(fp, "\n");
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if (*p++ == '\0')
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break;
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}
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}
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|
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static struct conf_printer kconfig_printer_cb =
|
|
{
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.print_symbol = kconfig_print_symbol,
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|
.print_comment = kconfig_print_comment,
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};
|
|
|
|
/*
|
|
* Header printer
|
|
*
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* This printer is used when generating the `include/generated/autoconf.h' file.
|
|
*/
|
|
static void
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header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
|
|
{
|
|
|
|
switch (sym->type) {
|
|
case S_BOOLEAN:
|
|
case S_TRISTATE: {
|
|
const char *suffix = "";
|
|
|
|
switch (*value) {
|
|
case 'n':
|
|
break;
|
|
case 'm':
|
|
suffix = "_MODULE";
|
|
/* fall through */
|
|
default:
|
|
fprintf(fp, "#define %s%s%s 1\n",
|
|
CONFIG_, sym->name, suffix);
|
|
}
|
|
break;
|
|
}
|
|
case S_HEX: {
|
|
const char *prefix = "";
|
|
|
|
if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
|
|
prefix = "0x";
|
|
fprintf(fp, "#define %s%s %s%s\n",
|
|
CONFIG_, sym->name, prefix, value);
|
|
break;
|
|
}
|
|
case S_STRING:
|
|
case S_INT:
|
|
fprintf(fp, "#define %s%s %s\n",
|
|
CONFIG_, sym->name, value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
header_print_comment(FILE *fp, const char *value, void *arg)
|
|
{
|
|
const char *p = value;
|
|
size_t l;
|
|
|
|
fprintf(fp, "/*\n");
|
|
for (;;) {
|
|
l = strcspn(p, "\n");
|
|
fprintf(fp, " *");
|
|
if (l) {
|
|
fprintf(fp, " ");
|
|
xfwrite(p, l, 1, fp);
|
|
p += l;
|
|
}
|
|
fprintf(fp, "\n");
|
|
if (*p++ == '\0')
|
|
break;
|
|
}
|
|
fprintf(fp, " */\n");
|
|
}
|
|
|
|
static struct conf_printer header_printer_cb =
|
|
{
|
|
.print_symbol = header_print_symbol,
|
|
.print_comment = header_print_comment,
|
|
};
|
|
|
|
/*
|
|
* Tristate printer
|
|
*
|
|
* This printer is used when generating the `include/config/tristate.conf' file.
|
|
*/
|
|
static void
|
|
tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
|
|
{
|
|
|
|
if (sym->type == S_TRISTATE && *value != 'n')
|
|
fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value));
|
|
}
|
|
|
|
static struct conf_printer tristate_printer_cb =
|
|
{
|
|
.print_symbol = tristate_print_symbol,
|
|
.print_comment = kconfig_print_comment,
|
|
};
|
|
|
|
static void conf_write_symbol(FILE *fp, struct symbol *sym,
|
|
struct conf_printer *printer, void *printer_arg)
|
|
{
|
|
const char *str;
|
|
|
|
switch (sym->type) {
|
|
case S_OTHER:
|
|
case S_UNKNOWN:
|
|
break;
|
|
case S_STRING:
|
|
str = sym_get_string_value(sym);
|
|
str = sym_escape_string_value(str);
|
|
printer->print_symbol(fp, sym, str, printer_arg);
|
|
free((void *)str);
|
|
break;
|
|
default:
|
|
str = sym_get_string_value(sym);
|
|
printer->print_symbol(fp, sym, str, printer_arg);
|
|
}
|
|
}
|
|
|
|
static void
|
|
conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg)
|
|
{
|
|
char buf[256];
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
"\n"
|
|
"Automatically generated file; DO NOT EDIT.\n"
|
|
"%s\n",
|
|
rootmenu.prompt->text);
|
|
|
|
printer->print_comment(fp, buf, printer_arg);
|
|
}
|
|
|
|
/*
|
|
* 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(out, sym, &kconfig_printer_cb, NULL);
|
|
}
|
|
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];
|
|
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;
|
|
|
|
conf_write_heading(out, &kconfig_printer_cb, NULL);
|
|
|
|
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;
|
|
|
|
conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
|
|
}
|
|
|
|
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 *name;
|
|
FILE *out, *tristate, *out_h;
|
|
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;
|
|
}
|
|
|
|
conf_write_heading(out, &kconfig_printer_cb, NULL);
|
|
|
|
conf_write_heading(tristate, &tristate_printer_cb, NULL);
|
|
|
|
conf_write_heading(out_h, &header_printer_cb, NULL);
|
|
|
|
for_all_symbols(i, sym) {
|
|
sym_calc_value(sym);
|
|
if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
|
|
continue;
|
|
|
|
/* write symbol to auto.conf, tristate and header files */
|
|
conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
|
|
|
|
conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1);
|
|
|
|
conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
|
|
}
|
|
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 bool 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 false;
|
|
|
|
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;
|
|
}
|
|
sym->flags |= SYMBOL_DEF_USER;
|
|
/* clear VALID to get value calculated */
|
|
sym->flags &= ~SYMBOL_VALID;
|
|
}
|
|
csym->flags |= SYMBOL_DEF_USER;
|
|
/* clear VALID to get value calculated */
|
|
csym->flags &= ~(SYMBOL_VALID);
|
|
|
|
return true;
|
|
}
|
|
|
|
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 | SYMBOL_NEED_SET_CHOICE_VALUES);
|
|
}
|
|
|
|
bool conf_set_all_new_symbols(enum conf_def_mode mode)
|
|
{
|
|
struct symbol *sym, *csym;
|
|
int i, cnt, pby, pty, ptm; /* pby: probability of boolean = y
|
|
* pty: probability of tristate = y
|
|
* ptm: probability of tristate = m
|
|
*/
|
|
|
|
pby = 50; pty = ptm = 33; /* can't go as the default in switch-case
|
|
* below, otherwise gcc whines about
|
|
* -Wmaybe-uninitialized */
|
|
if (mode == def_random) {
|
|
int n, p[3];
|
|
char *env = getenv("KCONFIG_PROBABILITY");
|
|
n = 0;
|
|
while( env && *env ) {
|
|
char *endp;
|
|
int tmp = strtol( env, &endp, 10 );
|
|
if( tmp >= 0 && tmp <= 100 ) {
|
|
p[n++] = tmp;
|
|
} else {
|
|
errno = ERANGE;
|
|
perror( "KCONFIG_PROBABILITY" );
|
|
exit( 1 );
|
|
}
|
|
env = (*endp == ':') ? endp+1 : endp;
|
|
if( n >=3 ) {
|
|
break;
|
|
}
|
|
}
|
|
switch( n ) {
|
|
case 1:
|
|
pby = p[0]; ptm = pby/2; pty = pby-ptm;
|
|
break;
|
|
case 2:
|
|
pty = p[0]; ptm = p[1]; pby = pty + ptm;
|
|
break;
|
|
case 3:
|
|
pby = p[0]; pty = p[1]; ptm = p[2];
|
|
break;
|
|
}
|
|
|
|
if( pty+ptm > 100 ) {
|
|
errno = ERANGE;
|
|
perror( "KCONFIG_PROBABILITY" );
|
|
exit( 1 );
|
|
}
|
|
}
|
|
bool has_changed = false;
|
|
|
|
for_all_symbols(i, sym) {
|
|
if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID))
|
|
continue;
|
|
switch (sym_get_type(sym)) {
|
|
case S_BOOLEAN:
|
|
case S_TRISTATE:
|
|
has_changed = true;
|
|
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:
|
|
if (sym->flags & SYMBOL_ALLNOCONFIG_Y)
|
|
sym->def[S_DEF_USER].tri = yes;
|
|
else
|
|
sym->def[S_DEF_USER].tri = no;
|
|
break;
|
|
case def_random:
|
|
sym->def[S_DEF_USER].tri = no;
|
|
cnt = rand() % 100;
|
|
if (sym->type == S_TRISTATE) {
|
|
if (cnt < pty)
|
|
sym->def[S_DEF_USER].tri = yes;
|
|
else if (cnt < (pty+ptm))
|
|
sym->def[S_DEF_USER].tri = mod;
|
|
} else if (cnt < pby)
|
|
sym->def[S_DEF_USER].tri = yes;
|
|
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.
|
|
*/
|
|
if (mode != def_random) {
|
|
for_all_symbols(i, csym) {
|
|
if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
|
|
sym_is_choice_value(csym))
|
|
csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
|
|
}
|
|
}
|
|
|
|
for_all_symbols(i, csym) {
|
|
if (sym_has_value(csym) || !sym_is_choice(csym))
|
|
continue;
|
|
|
|
sym_calc_value(csym);
|
|
if (mode == def_random)
|
|
has_changed = randomize_choice_values(csym);
|
|
else {
|
|
set_all_choice_values(csym);
|
|
has_changed = true;
|
|
}
|
|
}
|
|
|
|
return has_changed;
|
|
}
|