Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6) #include <sys/mman.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7) #include <sys/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8) #include <ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10) #include <fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11) #include <limits.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) #include <time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19) #include "lkc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21) /* return true if 'path' exists, false otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) static bool is_present(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) 	struct stat st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) 	return !stat(path, &st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) /* return true if 'path' exists and it is a directory, false otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) static bool is_dir(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) 	struct stat st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) 	if (stat(path, &st))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) 	return S_ISDIR(st.st_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) /* return true if the given two files are the same, false otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) static bool is_same(const char *file1, const char *file2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) 	int fd1, fd2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) 	struct stat st1, st2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) 	void *map1, *map2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) 	bool ret = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) 	fd1 = open(file1, O_RDONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) 	if (fd1 < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) 	fd2 = open(file2, O_RDONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) 	if (fd2 < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) 		goto close1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) 	ret = fstat(fd1, &st1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) 		goto close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) 	ret = fstat(fd2, &st2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) 		goto close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) 	if (st1.st_size != st2.st_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) 		goto close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) 	map1 = mmap(NULL, st1.st_size, PROT_READ, MAP_PRIVATE, fd1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) 	if (map1 == MAP_FAILED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) 		goto close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) 	map2 = mmap(NULL, st2.st_size, PROT_READ, MAP_PRIVATE, fd2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) 	if (map2 == MAP_FAILED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) 		goto close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) 	if (bcmp(map1, map2, st1.st_size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) 		goto close2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) 	ret = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) close2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 	close(fd2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) close1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) 	close(fd1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87)  * Create the parent directory of the given path.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89)  * For example, if 'include/config/auto.conf' is given, create 'include/config'.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) static int make_parent_dir(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) 	char tmp[PATH_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) 	char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 	strncpy(tmp, path, sizeof(tmp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) 	tmp[sizeof(tmp) - 1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	/* Remove the base name. Just return if nothing is left */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 	p = strrchr(tmp, '/');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 	if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	*(p + 1) = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 	/* Just in case it is an absolute path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 	p = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 	while (*p == '/')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 		p++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	while ((p = strchr(p, '/'))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 		*p = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 		/* skip if the directory exists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 		if (!is_dir(tmp) && mkdir(tmp, 0755))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 			return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 		*p = '/';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 		while (*p == '/')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 			p++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) static char depfile_path[PATH_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) static size_t depfile_prefix_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) /* touch depfile for symbol 'name' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) static int conf_touch_dep(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 	int fd, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 	const char *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 	char *d, c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 	/* check overflow: prefix + name + ".h" + '\0' must fit in buffer. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 	if (depfile_prefix_len + strlen(name) + 3 > sizeof(depfile_path))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 	d = depfile_path + depfile_prefix_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 	s = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 	while ((c = *s++))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 		*d++ = (c == '_') ? '/' : tolower(c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 	strcpy(d, ".h");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 	/* Assume directory path already exists. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 	fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 	if (fd == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 		if (errno != ENOENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 			return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 		ret = make_parent_dir(depfile_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 		/* Try it again. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 		fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 		if (fd == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 			return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 	close(fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) struct conf_printer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	void (*print_symbol)(FILE *, struct symbol *, const char *, void *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 	void (*print_comment)(FILE *, const char *, void *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) static void conf_warning(const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 	__attribute__ ((format (printf, 1, 2)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) static void conf_message(const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	__attribute__ ((format (printf, 1, 2)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) static const char *conf_filename;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) static int conf_lineno, conf_warnings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) static void conf_warning(const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 	va_list ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	va_start(ap, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 	vfprintf(stderr, fmt, ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	fprintf(stderr, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	va_end(ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	conf_warnings++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) static void conf_default_message_callback(const char *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 	printf("#\n# ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 	printf("%s", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 	printf("\n#\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) static void (*conf_message_callback)(const char *s) =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	conf_default_message_callback;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) void conf_set_message_callback(void (*fn)(const char *s))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 	conf_message_callback = fn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) static void conf_message(const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 	va_list ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 	char buf[4096];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 	if (!conf_message_callback)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 	va_start(ap, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 	vsnprintf(buf, sizeof(buf), fmt, ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 	conf_message_callback(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 	va_end(ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) const char *conf_get_configname(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 	char *name = getenv("KCONFIG_CONFIG");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 	return name ? name : ".config";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) static const char *conf_get_autoconfig_name(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 	char *name = getenv("KCONFIG_AUTOCONFIG");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 	return name ? name : "include/config/auto.conf";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 	char *p2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 	switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 	case S_TRISTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 		if (p[0] == 'm') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 			sym->def[def].tri = mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 			sym->flags |= def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 		/* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 	case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 		if (p[0] == 'y') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 			sym->def[def].tri = yes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 			sym->flags |= def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 		if (p[0] == 'n') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 			sym->def[def].tri = no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) 			sym->flags |= def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 		if (def != S_DEF_AUTO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 			conf_warning("symbol value '%s' invalid for %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 				     p, sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 	case S_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 		if (*p++ != '"')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 		for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 			if (*p2 == '"') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 				*p2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 			memmove(p2, p2 + 1, strlen(p2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 		if (!p2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 			if (def != S_DEF_AUTO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 				conf_warning("invalid string found");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 		/* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 	case S_INT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 	case S_HEX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 		if (sym_string_valid(sym, p)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 			sym->def[def].val = xstrdup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 			sym->flags |= def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 			if (def != S_DEF_AUTO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 				conf_warning("symbol value '%s' invalid for %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 					     p, sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 		;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) #define LINE_GROWTH 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 	char *nline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 	size_t new_size = slen + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 	if (new_size > *n) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 		new_size += LINE_GROWTH - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 		new_size *= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 		nline = xrealloc(*lineptr, new_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 		if (!nline)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 			return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 		*lineptr = nline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 		*n = new_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 	(*lineptr)[slen] = c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	char *line = *lineptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 	size_t slen = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 		int c = getc(stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 		switch (c) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 		case '\n':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 			if (add_byte(c, &line, slen, n) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 				goto e_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 			slen++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 			/* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 		case EOF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 			if (add_byte('\0', &line, slen, n) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 				goto e_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 			*lineptr = line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 			if (slen == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 				return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 			return slen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 			if (add_byte(c, &line, slen, n) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 				goto e_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 			slen++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) e_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 	line[slen-1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 	*lineptr = line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 	return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) int conf_read_simple(const char *name, int def)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	FILE *in = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 	char   *line = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	size_t  line_asize = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 	char *p, *p2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 	int i, def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	if (name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 		in = zconf_fopen(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 		struct property *prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 		name = conf_get_configname();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 		in = zconf_fopen(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 		if (in)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 			goto load;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 		sym_add_change_count(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 		if (!sym_defconfig_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 		for_all_defaults(sym_defconfig_list, prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 			if (expr_calc_value(prop->visible.expr) == no ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 			    prop->expr->type != E_SYMBOL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 			sym_calc_value(prop->expr->left.sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 			name = sym_get_string_value(prop->expr->left.sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 			in = zconf_fopen(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 			if (in) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 				conf_message("using defaults found in %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 					 name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 				goto load;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 	if (!in)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) load:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 	conf_filename = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	conf_lineno = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 	conf_warnings = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 	def_flags = SYMBOL_DEF << def;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 	for_all_symbols(i, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 		sym->flags |= SYMBOL_CHANGED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 		sym->flags &= ~(def_flags|SYMBOL_VALID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 		if (sym_is_choice(sym))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 			sym->flags |= def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 		switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 		case S_INT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 		case S_HEX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 		case S_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 			if (sym->def[def].val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 				free(sym->def[def].val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 			/* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 			sym->def[def].val = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 			sym->def[def].tri = no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 	while (compat_getline(&line, &line_asize, in) != -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 		conf_lineno++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 		sym = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 		if (line[0] == '#') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 			if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 			p = strchr(line + 2 + strlen(CONFIG_), ' ');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 			if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 			*p++ = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 			if (strncmp(p, "is not set", 10))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 			if (def == S_DEF_USER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 				sym = sym_find(line + 2 + strlen(CONFIG_));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 				if (!sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 					sym_add_change_count(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 					continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 				sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 				if (sym->type == S_UNKNOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 					sym->type = S_BOOLEAN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 			if (sym->flags & def_flags) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 				conf_warning("override: reassigning to symbol %s", sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 			switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 			case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 			case S_TRISTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 				sym->def[def].tri = no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 				sym->flags |= def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 				;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 		} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 			p = strchr(line + strlen(CONFIG_), '=');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 			if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 			*p++ = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 			p2 = strchr(p, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 			if (p2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 				*p2-- = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 				if (*p2 == '\r')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 					*p2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 			sym = sym_find(line + strlen(CONFIG_));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 			if (!sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 				if (def == S_DEF_AUTO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 					/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 					 * Reading from include/config/auto.conf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 					 * If CONFIG_FOO previously existed in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 					 * auto.conf but it is missing now,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 					 * include/config/foo.h must be touched.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 					 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 					conf_touch_dep(line + strlen(CONFIG_));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 				else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 					sym_add_change_count(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 			if (sym->flags & def_flags) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 				conf_warning("override: reassigning to symbol %s", sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 			if (conf_set_sym_val(sym, def, def_flags, p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 			if (line[0] != '\r' && line[0] != '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 				conf_warning("unexpected data: %.*s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 					     (int)strcspn(line, "\r\n"), line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 		if (sym && sym_is_choice_value(sym)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 			struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 			switch (sym->def[def].tri) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 			case no:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 			case mod:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 				if (cs->def[def].tri == yes) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 					conf_warning("%s creates inconsistent choice state", sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 					cs->flags &= ~def_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 			case yes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 				if (cs->def[def].tri != no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 					conf_warning("override: %s changes choice state", sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 				cs->def[def].val = sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 			cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 	free(line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 	fclose(in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) int conf_read(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 	int conf_unsaved = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 	sym_set_change_count(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 	if (conf_read_simple(name, S_DEF_USER)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 		sym_calc_value(modules_sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 	sym_calc_value(modules_sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	for_all_symbols(i, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 		sym_calc_value(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 		if (sym_is_choice(sym) || (sym->flags & SYMBOL_NO_WRITE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 		if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 			/* check that calculated value agrees with saved value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 			switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 			case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 			case S_TRISTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 				if (sym->def[S_DEF_USER].tri == sym_get_tristate_value(sym))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 					continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 				if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 					continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 		} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 			/* no previous value and not saved */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 		conf_unsaved++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 		/* maybe print value in verbose mode... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 	for_all_symbols(i, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 		if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 			/* Reset values of generates values, so they'll appear
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 			 * as new, if they should become visible, but that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 			 * doesn't quite work if the Kconfig and the saved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 			 * configuration disagree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 			if (sym->visible == no && !conf_unsaved)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 				sym->flags &= ~SYMBOL_DEF_USER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 			switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 			case S_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 			case S_INT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 			case S_HEX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 				/* Reset a string value if it's out of range */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 				if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 				sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 				conf_unsaved++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 	sym_add_change_count(conf_warnings || conf_unsaved);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583)  * Kconfig configuration printer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585)  * This printer is used when generating the resulting configuration after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586)  * kconfig invocation and `defconfig' files. Unset symbol might be omitted by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587)  * passing a non-NULL argument to the printer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 	switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 	case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 	case S_TRISTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 		if (*value == 'n') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 			bool skip_unset = (arg != NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 			if (!skip_unset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 				fprintf(fp, "# %s%s is not set\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 				    CONFIG_, sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 	fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) kconfig_print_comment(FILE *fp, const char *value, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 	const char *p = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 	size_t l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 		l = strcspn(p, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 		fprintf(fp, "#");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 		if (l) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 			fprintf(fp, " ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 			xfwrite(p, l, 1, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 			p += l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 		fprintf(fp, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 		if (*p++ == '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) static struct conf_printer kconfig_printer_cb =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 	.print_symbol = kconfig_print_symbol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 	.print_comment = kconfig_print_comment,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640)  * Header printer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642)  * This printer is used when generating the `include/generated/autoconf.h' file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 	switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 	case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 	case S_TRISTATE: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 		const char *suffix = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 		switch (*value) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 		case 'n':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 		case 'm':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 			suffix = "_MODULE";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 			/* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 			fprintf(fp, "#define %s%s%s 1\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 			    CONFIG_, sym->name, suffix);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	case S_HEX: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 		const char *prefix = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 		if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 			prefix = "0x";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 		fprintf(fp, "#define %s%s %s%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 		    CONFIG_, sym->name, prefix, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	case S_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 	case S_INT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 		fprintf(fp, "#define %s%s %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 		    CONFIG_, sym->name, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) header_print_comment(FILE *fp, const char *value, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	const char *p = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 	size_t l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 	fprintf(fp, "/*\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 		l = strcspn(p, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 		fprintf(fp, " *");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 		if (l) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 			fprintf(fp, " ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 			xfwrite(p, l, 1, fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 			p += l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 		fprintf(fp, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 		if (*p++ == '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 	fprintf(fp, " */\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) static struct conf_printer header_printer_cb =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 	.print_symbol = header_print_symbol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 	.print_comment = header_print_comment,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) static void conf_write_symbol(FILE *fp, struct symbol *sym,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 			      struct conf_printer *printer, void *printer_arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 	const char *str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 	switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 	case S_UNKNOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	case S_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 		str = sym_get_string_value(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 		str = sym_escape_string_value(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 		printer->print_symbol(fp, sym, str, printer_arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 		free((void *)str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 		str = sym_get_string_value(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 		printer->print_symbol(fp, sym, str, printer_arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 	char buf[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	snprintf(buf, sizeof(buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	    "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	    "Automatically generated file; DO NOT EDIT.\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	    "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	    rootmenu.prompt->text);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	printer->print_comment(fp, buf, printer_arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748)  * Write out a minimal config.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749)  * All values that has default values are skipped as this is redundant.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) int conf_write_defconfig(const char *filename)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 	struct menu *menu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 	FILE *out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 	out = fopen(filename, "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 	if (!out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 	sym_clear_all_valid();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 	/* Traverse all menus to find all relevant symbols */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 	menu = rootmenu.list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 	while (menu != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 		sym = menu->sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 		if (sym == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 			if (!menu_is_visible(menu))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 				goto next_menu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 		} else if (!sym_is_choice(sym)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 			sym_calc_value(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 			if (!(sym->flags & SYMBOL_WRITE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 				goto next_menu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 			sym->flags &= ~SYMBOL_WRITE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 			/* If we cannot change the symbol - skip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 			if (!sym_is_changeable(sym))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 				goto next_menu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 			/* If symbol equals to default value - skip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 			if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 				goto next_menu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 			 * If symbol is a choice value and equals to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 			 * default for a choice - skip.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 			 * But only if value is bool and equal to "y" and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 			 * choice is not "optional".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 			 * (If choice is "optional" then all values can be "n")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 			if (sym_is_choice_value(sym)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 				struct symbol *cs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 				struct symbol *ds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 				cs = prop_get_symbol(sym_get_choice_prop(sym));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 				ds = sym_choice_default(cs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 				if (!sym_is_optional(cs) && sym == ds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 					if ((sym->type == S_BOOLEAN) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 					    sym_get_tristate_value(sym) == yes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 						goto next_menu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 			conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) next_menu:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 		if (menu->list != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 			menu = menu->list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 		else if (menu->next != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 			menu = menu->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 			while ((menu = menu->parent)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 				if (menu->next != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 					menu = menu->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 	fclose(out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) int conf_write(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 	FILE *out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 	struct menu *menu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 	const char *str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 	char tmpname[PATH_MAX + 1], oldname[PATH_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 	char *env;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 	bool need_newline = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 	if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 		name = conf_get_configname();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 	if (!*name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 		fprintf(stderr, "config name is empty\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 	if (is_dir(name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 		fprintf(stderr, "%s: Is a directory\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 	if (make_parent_dir(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 	env = getenv("KCONFIG_OVERWRITECONFIG");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 	if (env && *env) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 		*tmpname = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 		out = fopen(name, "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 		snprintf(tmpname, sizeof(tmpname), "%s.%d.tmp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 			 name, (int)getpid());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 		out = fopen(tmpname, "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 	if (!out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 	conf_write_heading(out, &kconfig_printer_cb, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 	if (!conf_get_changed())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 		sym_clear_all_valid();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 	menu = rootmenu.list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 	while (menu) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 		sym = menu->sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 		if (!sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 			if (!menu_is_visible(menu))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 				goto next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 			str = menu_get_prompt(menu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 			fprintf(out, "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 				     "#\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 				     "# %s\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 				     "#\n", str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 			need_newline = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		} else if (!(sym->flags & SYMBOL_CHOICE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 			   !(sym->flags & SYMBOL_WRITTEN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 			sym_calc_value(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 			if (!(sym->flags & SYMBOL_WRITE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 				goto next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 			if (need_newline) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 				fprintf(out, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 				need_newline = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 			sym->flags |= SYMBOL_WRITTEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 			conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) next:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 		if (menu->list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 			menu = menu->list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 		if (menu->next)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 			menu = menu->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 		else while ((menu = menu->parent)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 			if (!menu->sym && menu_is_visible(menu) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 			    menu != &rootmenu) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 				str = menu_get_prompt(menu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 				fprintf(out, "# end of %s\n", str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 				need_newline = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 			if (menu->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 				menu = menu->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 	fclose(out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 	for_all_symbols(i, sym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 		sym->flags &= ~SYMBOL_WRITTEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 	if (*tmpname) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 		if (is_same(name, tmpname)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 			conf_message("No change to %s", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 			unlink(tmpname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 			sym_set_change_count(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 		snprintf(oldname, sizeof(oldname), "%s.old", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 		rename(name, oldname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 		if (rename(tmpname, name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 	conf_message("configuration written to %s", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 	sym_set_change_count(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) /* write a dependency file as used by kbuild to track dependencies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) static int conf_write_dep(const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 	struct file *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 	FILE *out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 	out = fopen("..config.tmp", "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 	if (!out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 	fprintf(out, "deps_config := \\\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 	for (file = file_list; file; file = file->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 		if (file->next)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 			fprintf(out, "\t%s \\\n", file->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 			fprintf(out, "\t%s\n", file->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 	fprintf(out, "\n%s: \\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 		     "\t$(deps_config)\n\n", conf_get_autoconfig_name());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 	env_write_dep(out, conf_get_autoconfig_name());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 	fprintf(out, "\n$(deps_config): ;\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 	fclose(out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	if (make_parent_dir(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	rename("..config.tmp", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) static int conf_touch_deps(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 	const char *name, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	int res, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	name = conf_get_autoconfig_name();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	tmp = strrchr(name, '/');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 	depfile_prefix_len = tmp ? tmp - name + 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	if (depfile_prefix_len + 1 > sizeof(depfile_path))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 	strncpy(depfile_path, name, depfile_prefix_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 	depfile_path[depfile_prefix_len] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 	conf_read_simple(name, S_DEF_AUTO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 	sym_calc_value(modules_sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 	for_all_symbols(i, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 		sym_calc_value(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 		if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 		if (sym->flags & SYMBOL_WRITE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 			if (sym->flags & SYMBOL_DEF_AUTO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 				 * symbol has old and new value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 				 * so compare them...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 				switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 				case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 				case S_TRISTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 					if (sym_get_tristate_value(sym) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 					    sym->def[S_DEF_AUTO].tri)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 						continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 				case S_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 				case S_HEX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 				case S_INT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 					if (!strcmp(sym_get_string_value(sym),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 						    sym->def[S_DEF_AUTO].val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 						continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 				default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 				 * If there is no old value, only 'no' (unset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 				 * is allowed as new value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 				switch (sym->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 				case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 				case S_TRISTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 					if (sym_get_tristate_value(sym) == no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 						continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 				default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 		} else if (!(sym->flags & SYMBOL_DEF_AUTO))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 			/* There is neither an old nor a new value. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 		/* else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 		 *	There is an old value, but no new value ('no' (unset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 		 *	isn't saved in auto.conf, so the old value is always
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 		 *	different from 'no').
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 		res = conf_touch_dep(sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 		if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 			return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) int conf_write_autoconf(int overwrite)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 	const char *autoconf_name = conf_get_autoconfig_name();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 	FILE *out, *out_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 	if (!overwrite && is_present(autoconf_name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 	conf_write_dep("include/config/auto.conf.cmd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 	if (conf_touch_deps())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 	out = fopen(".tmpconfig", "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 	if (!out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 	out_h = fopen(".tmpconfig.h", "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 	if (!out_h) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 		fclose(out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 	conf_write_heading(out, &kconfig_printer_cb, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 	conf_write_heading(out_h, &header_printer_cb, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 	for_all_symbols(i, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 		sym_calc_value(sym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 		if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 		/* write symbols to auto.conf and autoconf.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 		conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 		conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 	fclose(out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 	fclose(out_h);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 	name = getenv("KCONFIG_AUTOHEADER");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 	if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 		name = "include/generated/autoconf.h";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 	if (make_parent_dir(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 	if (rename(".tmpconfig.h", name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 	if (make_parent_dir(autoconf_name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 	 * This must be the last step, kbuild has a dependency on auto.conf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 	 * and this marks the successful completion of the previous steps.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 	if (rename(".tmpconfig", autoconf_name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) static int sym_change_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) static void (*conf_changed_callback)(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) void sym_set_change_count(int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 	int _sym_change_count = sym_change_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 	sym_change_count = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 	if (conf_changed_callback &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 	    (bool)_sym_change_count != (bool)count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 		conf_changed_callback();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) void sym_add_change_count(int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 	sym_set_change_count(count + sym_change_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) bool conf_get_changed(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 	return sym_change_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) void conf_set_changed_callback(void (*fn)(void))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 	conf_changed_callback = fn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) static bool randomize_choice_values(struct symbol *csym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 	struct property *prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 	struct expr *e;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 	int cnt, def;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 	 * If choice is mod then we may have more items selected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 	 * and if no then no-one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 	 * In both cases stop.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 	if (csym->curr.tri != yes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 	prop = sym_get_choice_prop(csym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 	/* count entries in choice block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 	cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 	expr_list_for_each_sym(prop->expr, e, sym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 		cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 	 * find a random value and set it to yes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	 * set the rest to no so we have only one set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 	def = (rand() % cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 	expr_list_for_each_sym(prop->expr, e, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 		if (def == cnt++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 			sym->def[S_DEF_USER].tri = yes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 			csym->def[S_DEF_USER].val = sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 		else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 			sym->def[S_DEF_USER].tri = no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 		sym->flags |= SYMBOL_DEF_USER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 		/* clear VALID to get value calculated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 		sym->flags &= ~SYMBOL_VALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 	csym->flags |= SYMBOL_DEF_USER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 	/* clear VALID to get value calculated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 	csym->flags &= ~(SYMBOL_VALID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) void set_all_choice_values(struct symbol *csym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 	struct property *prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 	struct expr *e;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 	prop = sym_get_choice_prop(csym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 	 * Set all non-assinged choice values to no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 	expr_list_for_each_sym(prop->expr, e, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 		if (!sym_has_value(sym))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 			sym->def[S_DEF_USER].tri = no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 	csym->flags |= SYMBOL_DEF_USER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 	/* clear VALID to get value calculated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 	csym->flags &= ~(SYMBOL_VALID | SYMBOL_NEED_SET_CHOICE_VALUES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) bool conf_set_all_new_symbols(enum conf_def_mode mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 	struct symbol *sym, *csym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 	int i, cnt, pby, pty, ptm;	/* pby: probability of bool     = y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 					 * pty: probability of tristate = y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 					 * ptm: probability of tristate = m
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 					 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 	pby = 50; pty = ptm = 33; /* can't go as the default in switch-case
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 				   * below, otherwise gcc whines about
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 				   * -Wmaybe-uninitialized */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 	if (mode == def_random) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 		int n, p[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 		char *env = getenv("KCONFIG_PROBABILITY");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 		n = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 		while( env && *env ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 			char *endp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 			int tmp = strtol( env, &endp, 10 );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 			if( tmp >= 0 && tmp <= 100 ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 				p[n++] = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 				errno = ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 				perror( "KCONFIG_PROBABILITY" );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 				exit( 1 );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 			env = (*endp == ':') ? endp+1 : endp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 			if( n >=3 ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 		switch( n ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 			pby = p[0]; ptm = pby/2; pty = pby-ptm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 			pty = p[0]; ptm = p[1]; pby = pty + ptm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 		case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 			pby = p[0]; pty = p[1]; ptm = p[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 		if( pty+ptm > 100 ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 			errno = ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 			perror( "KCONFIG_PROBABILITY" );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 			exit( 1 );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 	bool has_changed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 	for_all_symbols(i, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 		if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 		switch (sym_get_type(sym)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 		case S_BOOLEAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 		case S_TRISTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 			has_changed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 			switch (mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 			case def_yes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 				sym->def[S_DEF_USER].tri = yes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 			case def_mod:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 				sym->def[S_DEF_USER].tri = mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 			case def_no:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 				if (sym->flags & SYMBOL_ALLNOCONFIG_Y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 					sym->def[S_DEF_USER].tri = yes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 				else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 					sym->def[S_DEF_USER].tri = no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 			case def_random:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 				sym->def[S_DEF_USER].tri = no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 				cnt = rand() % 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 				if (sym->type == S_TRISTATE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 					if (cnt < pty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 						sym->def[S_DEF_USER].tri = yes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 					else if (cnt < (pty+ptm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 						sym->def[S_DEF_USER].tri = mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 				} else if (cnt < pby)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 					sym->def[S_DEF_USER].tri = yes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 			if (!(sym_is_choice(sym) && mode == def_random))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 				sym->flags |= SYMBOL_DEF_USER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 	sym_clear_all_valid();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 	 * We have different type of choice blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 	 * If curr.tri equals to mod then we can select several
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	 * choice symbols in one block.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 	 * In this case we do nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 	 * If curr.tri equals yes then only one symbol can be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 	 * selected in a choice block and we set it to yes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 	 * and the rest to no.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 	if (mode != def_random) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 		for_all_symbols(i, csym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 			if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 			    sym_is_choice_value(csym))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 				csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 	for_all_symbols(i, csym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 		if (sym_has_value(csym) || !sym_is_choice(csym))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 		sym_calc_value(csym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 		if (mode == def_random)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 			has_changed |= randomize_choice_values(csym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 		else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 			set_all_choice_values(csym);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 			has_changed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 	return has_changed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) void conf_rewrite_mod_or_yes(enum conf_def_mode mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 	struct symbol *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 	tristate old_val = (mode == def_y2m) ? yes : mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 	tristate new_val = (mode == def_y2m) ? mod : yes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 	for_all_symbols(i, sym) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 		if (sym_get_type(sym) == S_TRISTATE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 		    sym->def[S_DEF_USER].tri == old_val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 			sym->def[S_DEF_USER].tri = new_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 	sym_clear_all_valid();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) }