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Merge branch 'main' of https://bdgit.educoder.net/py5ktlmgf/reptile

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main^2
waiwai 2 months ago
parent e7ebc263b8 08f4c104d5
commit 3015c61eae
1 changed files with 399 additions and 382 deletions
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src/Reptile/scripts/kconfig/confdata.c
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@ -17,456 +17,473 @@
#include "lkc.h"
// 定义警告信息输出函数
static void conf_warning(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
__attribute__ ((format (printf, 1, 2)));
// 定义普通信息输出函数
static void conf_message(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
__attribute__ ((format (printf, 1, 2)));
// 配置文件名
static const char *conf_filename;
// 当前行号
static int conf_lineno, conf_warnings, conf_unsaved;
// 默认配置文件名
const char conf_defname[] = ".defconfig";
// 输出警告信息
static void conf_warning(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
conf_warnings++;
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
conf_warnings++;
}
// 默认的消息回调函数
static void conf_default_message_callback(const char *fmt, va_list ap)
{
printf("#\n# ");
vprintf(fmt, ap);
printf("\n#\n");
printf("#\n# ");
vprintf(fmt, ap);
printf("\n#\n");
}
// 消息回调函数指针
static void (*conf_message_callback) (const char *fmt, va_list ap) =
conf_default_message_callback;
conf_default_message_callback;
// 设置消息回调函数
void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
{
conf_message_callback = fn;
conf_message_callback = fn;
}
// 输出消息信息
static void conf_message(const char *fmt, ...)
{
va_list ap;
va_list ap;
va_start(ap, fmt);
if (conf_message_callback)
conf_message_callback(fmt, ap);
va_start(ap, fmt);
if (conf_message_callback)
conf_message_callback(fmt, ap);
}
// 获取配置文件名
const char *conf_get_configname(void)
{
char *name = getenv(PRODUCT_ENV"_CONFIG");
char *name = getenv(PRODUCT_ENV"_CONFIG");
return name ? name : ".config";
return name ? name : ".config";
}
// 获取自动配置文件名
const char *conf_get_autoconfig_name(void)
{
return getenv(PRODUCT_ENV"_AUTOCONFIG");
return getenv(PRODUCT_ENV"_AUTOCONFIG");
}
// 展开配置值中的变量
static char *conf_expand_value(const char *in)
{
struct symbol *sym;
const char *src;
static char res_value[SYMBOL_MAXLENGTH];
char *dst, name[SYMBOL_MAXLENGTH];
res_value[0] = 0;
dst = name;
while ((src = strchr(in, '$'))) {
strncat(res_value, in, src - in);
src++;
dst = name;
while (isalnum(*src) || *src == '_')
*dst++ = *src++;
*dst = 0;
sym = sym_lookup(name, 0);
sym_calc_value(sym);
strcat(res_value, sym_get_string_value(sym));
in = src;
}
strcat(res_value, in);
return res_value;
struct symbol *sym;
const char *src;
static char res_value[SYMBOL_MAXLENGTH];
char *dst, name[SYMBOL_MAXLENGTH];
res_value[0] = 0;
dst = name;
while ((src = strchr(in, '$'))) {
strncat(res_value, in, src - in);
src++;
dst = name;
while (isalnum(*src) || *src == '_')
*dst++ = *src++;
*dst = 0;
sym = sym_lookup(name, 0);
sym_calc_value(sym);
strcat(res_value, sym_get_string_value(sym));
in = src;
}
strcat(res_value, in);
return res_value;
}
// 获取默认配置文件名
char *conf_get_default_confname(void)
{
struct stat buf;
static char fullname[PATH_MAX+1];
char *env, *name;
name = conf_expand_value(conf_defname);
env = getenv(SRCTREE);
if (env) {
sprintf(fullname, "%s/%s", env, name);
if (!stat(fullname, &buf))
return fullname;
}
return name;
struct stat buf;
static char fullname[PATH_MAX+1];
char *env, *name;
name = conf_expand_value(conf_defname);
env = getenv(SRCTREE);
if (env) {
sprintf(fullname, "%s/%s", env, name);
if (!stat(fullname, &buf))
return fullname;
}
return name;
}
// 设置符号值
static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
{
char *p2;
switch (sym->type) {
case S_TRISTATE:
if (p[0] == 'm') {
sym->def[def].tri = mod;
sym->flags |= def_flags;
break;
}
/* fall through */
case S_BOOLEAN:
if (p[0] == 'y') {
sym->def[def].tri = yes;
sym->flags |= def_flags;
break;
}
if (p[0] == 'n') {
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
}
if (def != S_DEF_AUTO)
conf_warning("symbol value '%s' invalid for %s",
p, sym->name);
return 1;
case S_OTHER:
if (*p != '"') {
for (p2 = p; *p2 && !isspace(*p2); p2++)
;
sym->type = S_STRING;
goto done;
}
/* fall through */
case S_STRING:
if (*p++ != '"')
break;
for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
if (*p2 == '"') {
*p2 = 0;
break;
}
memmove(p2, p2 + 1, strlen(p2));
}
if (!p2) {
if (def != S_DEF_AUTO)
conf_warning("invalid string found");
return 1;
}
/* fall through */
case S_INT:
case S_HEX:
done:
if (sym_string_valid(sym, p)) {
sym->def[def].val = strdup(p);
sym->flags |= def_flags;
} else {
if (def != S_DEF_AUTO)
conf_warning("symbol value '%s' invalid for %s",
p, sym->name);
return 1;
}
break;
default:
;
}
return 0;
char *p2;
switch (sym->type) {
case S_TRISTATE:
if (p[0] == 'm') {
sym->def[def].tri = mod;
sym->flags |= def_flags;
break;
}
// 跌落至下一个case
case S_BOOLEAN:
if (p[0] == 'y') {
sym->def[def].tri = yes;
sym->flags |= def_flags;
break;
}
if (p[0] == 'n') {
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
}
if (def != S_DEF_AUTO)
conf_warning("symbol value '%s' invalid for %s",
p, sym->name);
return 1;
case S_OTHER:
if (*p != '"') {
for (p2 = p; *p2 && !isspace(*p2); p2++)
;
sym->type = S_STRING;
goto done;
}
// 跌落至下一个case
case S_STRING:
if (*p++ != '"')
break;
for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
if (*p2 == '"') {
*p2 = 0;
break;
}
memmove(p2, p2 + 1, strlen(p2));
}
if (!p2) {
if (def != S_DEF_AUTO)
conf_warning("invalid string found");
return 1;
}
// 跌落至下一个case
case S_INT:
case S_HEX:
done:
if (sym_string_valid(sym, p)) {
sym->def[def].val = strdup(p);
sym->flags |= def_flags;
} else {
if (def != S_DEF_AUTO)
conf_warning("symbol value '%s' invalid for %s",
p, sym->name);
return 1;
}
break;
default:
;
}
return 0;
}
// 增加字节到行缓冲区
#define LINE_GROWTH 16
static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
{
char *nline;
size_t new_size = slen + 1;
if (new_size > *n) {
new_size += LINE_GROWTH - 1;
new_size *= 2;
nline = realloc(*lineptr, new_size);
if (!nline)
return -1;
*lineptr = nline;
*n = new_size;
}
(*lineptr)[slen] = c;
return 0;
char *nline;
size_t new_size = slen + 1;
if (new_size > *n) {
new_size += LINE_GROWTH - 1;
new_size *= 2;
nline = realloc(*lineptr, new_size);
if (!nline)
return -1;
*lineptr = nline;
*n = new_size;
}
(*lineptr)[slen] = c;
return 0;
}
// 兼容getline函数
static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
{
char *line = *lineptr;
size_t slen = 0;
for (;;) {
int c = getc(stream);
switch (c) {
case '\n':
if (add_byte(c, &line, slen, n) < 0)
goto e_out;
slen++;
/* fall through */
case EOF:
if (add_byte('\0', &line, slen, n) < 0)
goto e_out;
*lineptr = line;
if (slen == 0)
return -1;
return slen;
default:
if (add_byte(c, &line, slen, n) < 0)
goto e_out;
slen++;
}
}
char *line = *lineptr;
size_t slen = 0;
for (;;) {
int c = getc(stream);
switch (c) {
case '\n':
if (add_byte(c, &line, slen, n) < 0)
goto e_out;
slen++;
// 跌落至下一个case
case EOF:
if (add_byte('\0', &line, slen, n) < 0)
goto e_out;
*lineptr = line;
if (slen == 0)
return -1;
return slen;
default:
if (add_byte(c, &line, slen, n) < 0)
goto e_out;
slen++;
}
}
e_out:
line[slen-1] = '\0';
*lineptr = line;
return -1;
line[slen-1] = '\0';
*lineptr = line;
return -1;
}
// 读取简单的配置文件
int conf_read_simple(const char *name, int def)
{
FILE *in = NULL;
char *line = NULL;
size_t line_asize = 0;
char *p, *p2;
struct symbol *sym;
int i, def_flags;
if (name) {
in = zconf_fopen(name);
} else {
struct property *prop;
name = conf_get_configname();
in = zconf_fopen(name);
if (in)
goto load;
sym_add_change_count(1);
if (!sym_defconfig_list) {
if (modules_sym)
sym_calc_value(modules_sym);
return 1;
}
for_all_defaults(sym_defconfig_list, prop) {
if (expr_calc_value(prop->visible.expr) == no ||
prop->expr->type != E_SYMBOL)
continue;
name = conf_expand_value(prop->expr->left.sym->name);
in = zconf_fopen(name);
if (in) {
conf_message(_("using defaults found in %s"),
name);
goto load;
}
}
}
if (!in)
return 1;
FILE *in = NULL;
char *line = NULL;
size_t line_asize = 0;
char *p, *p2;
struct symbol *sym;
int i, def_flags;
if (name) {
in = zconf_fopen(name);
} else {
struct property *prop;
name = conf_get_configname();
in = zconf_fopen(name);
if (in)
goto load;
sym_add_change_count(1);
if (!sym_defconfig_list) {
if (modules_sym)
sym_calc_value(modules_sym);
return 1;
}
for_all_defaults(sym_defconfig_list, prop) {
if (expr_calc_value(prop->visible.expr) == no ||
prop->expr->type != E_SYMBOL)
continue;
name = conf_expand_value(prop->expr->left.sym->name);
in = zconf_fopen(name);
if (in) {
conf_message(_("using defaults found in %s"),
name);
goto load;
}
}
}
if (!in)
return 1;
load:
conf_filename = name;
conf_lineno = 0;
conf_warnings = 0;
conf_unsaved = 0;
def_flags = SYMBOL_DEF << def;
for_all_symbols(i, sym) {
sym->flags |= SYMBOL_CHANGED;
sym->flags &= ~(def_flags|SYMBOL_VALID);
if (sym_is_choice(sym))
sym->flags |= def_flags;
switch (sym->type) {
case S_INT:
case S_HEX:
case S_STRING:
if (sym->def[def].val)
free(sym->def[def].val);
/* fall through */
default:
sym->def[def].val = NULL;
sym->def[def].tri = no;
}
}
while (compat_getline(&line, &line_asize, in) != -1) {
conf_lineno++;
sym = NULL;
if (line[0] == '#') {
if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
continue;
p = strchr(line + 2 + strlen(CONFIG_), ' ');
if (!p)
continue;
*p++ = 0;
if (strncmp(p, "is not set", 10))
continue;
if (def == S_DEF_USER) {
sym = sym_find(line + 2 + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
goto setsym;
}
} else {
sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_BOOLEAN;
}
if (sym->flags & def_flags) {
conf_warning("override: reassigning to symbol %s", sym->name);
}
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
default:
;
}
} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
p = strchr(line + strlen(CONFIG_), '=');
if (!p)
continue;
*p++ = 0;
p2 = strchr(p, '\n');
if (p2) {
*p2-- = 0;
if (*p2 == '\r')
*p2 = 0;
}
if (def == S_DEF_USER) {
sym = sym_find(line + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
goto setsym;
}
} else {
sym = sym_lookup(line + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_OTHER;
}
if (sym->flags & def_flags) {
conf_warning("override: reassigning to symbol %s", sym->name);
}
if (conf_set_sym_val(sym, def, def_flags, p))
continue;
} else {
if (line[0] != '\r' && line[0] != '\n')
conf_warning("unexpected data");
continue;
}
conf_filename = name;
conf_lineno = 0;
conf_warnings = 0;
conf_unsaved = 0;
def_flags = SYMBOL_DEF << def;
for_all_symbols(i, sym) {
sym->flags |= SYMBOL_CHANGED;
sym->flags &= ~(def_flags|SYMBOL_VALID);
if (sym_is_choice(sym))
sym->flags |= def_flags;
switch (sym->type) {
case S_INT:
case S_HEX:
case S_STRING:
if (sym->def[def].val)
free(sym->def[def].val);
// 跌落至下一个case
default:
sym->def[def].val = NULL;
sym->def[def].tri = no;
}
}
while (compat_getline(&line, &line_asize, in) != -1) {
conf_lineno++;
sym = NULL;
if (line[0] == '#') {
if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
continue;
p = strchr(line + 2 + strlen(CONFIG_), ' ');
if (!p)
continue;
*p++ = 0;
if (strncmp(p, "is not set", 10))
continue;
if (def == S_DEF_USER) {
sym = sym_find(line + 2 + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
goto setsym;
}
} else {
sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_BOOLEAN;
}
if (sym->flags & def_flags) {
conf_warning("override: reassigning to symbol %s", sym->name);
}
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
default:
;
}
} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
p = strchr(line + strlen(CONFIG_), '=');
if (!p)
continue;
*p++ = 0;
p2 = strchr(p, '\n');
if (p2) {
*p2-- = 0;
if (*p2 == '\r')
*p2 = 0;
}
if (def == S_DEF_USER) {
sym = sym_find(line + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
goto setsym;
}
} else {
sym = sym_lookup(line + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_OTHER;
}
if (sym->flags & def_flags) {
conf_warning("override: reassigning to symbol %s", sym->name);
}
if (conf_set_sym_val(sym, def, def_flags, p))
continue;
} else {
if (line[0] != '\r' && line[0] != '\n')
conf_warning("unexpected data");
continue;
}
setsym:
if (sym && sym_is_choice_value(sym)) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
switch (sym->def[def].tri) {
case no:
break;
case mod:
if (cs->def[def].tri == yes) {
conf_warning("%s creates inconsistent choice state", sym->name);
cs->flags &= ~def_flags;
}
break;
case yes:
if (cs->def[def].tri != no)
conf_warning("override: %s changes choice state", sym->name);
cs->def[def].val = sym;
break;
}
cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
}
}
free(line);
fclose(in);
if (modules_sym)
sym_calc_value(modules_sym);
return 0;
if (sym && sym_is_choice_value(sym)) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
switch (sym->def[def].tri) {
case no:
break;
case mod:
if (cs->def[def].tri == yes) {
conf_warning("%s creates inconsistent choice state", sym->name);
cs->flags &= ~def_flags;
}
break;
case yes:
if (cs->def[def].tri != no)
conf_warning("override: %s changes choice state", sym->name);
cs->def[def].val = sym;
break;
}
cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
}
}
free(line);
fclose(in);
if (modules_sym)
sym_calc_value(modules_sym);
return 0;
}
// 读取配置文件
int conf_read(const char *name)
{
struct symbol *sym;
int i;
sym_set_change_count(0);
if (conf_read_simple(name, S_DEF_USER))
return 1;
for_all_symbols(i, sym) {
sym_calc_value(sym);
if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
continue;
if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
/* check that calculated value agrees with saved value */
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
break;
if (!sym_is_choice(sym))
continue;
/* fall through */
default:
if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
continue;
break;
}
} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
/* no previous value and not saved */
continue;
conf_unsaved++;
/* maybe print value in verbose mode... */
}
for_all_symbols(i, sym) {
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
/* Reset values of generates values, so they'll appear
* as new, if they should become visible, but that
* doesn't quite work if the Kconfig and the saved
* configuration disagree.
*/
if (sym->visible == no && !conf_unsaved)
sym->flags &= ~SYMBOL_DEF_USER;
switch (sym->type) {
case S_STRING:
case S_INT:
case S_HEX:
/* Reset a string value if it's out of range */
if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
break;
sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
conf_unsaved++;
break;
default:
break;
}
}
}
sym_add_change_count(conf_warnings || conf_unsaved);
return 0;
struct symbol *sym;
int i;
sym_set_change_count(0);
if (conf_read_simple(name, S_DEF_USER))
return 1;
for_all_symbols(i, sym) {
sym_calc_value(sym);
if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
continue;
if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
// 检查计算值是否与保存值一致
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
break;
if (!sym_is_choice(sym))
continue;
// 跌落至下一个case
default:
if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
continue;
break;
}
} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
// 没有先前值且未保存
continue;
conf_unsaved++;
// 在详细模式下可能打印值...
}
for_all_symbols(i, sym) {
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
// 重置生成值的值，以便它们在出现时会显示为新值，
// 但如果Kconfig和保存的配置不一致，则不起作用。
if (sym->visible == no && !conf_unsaved)
sym->flags &= ~SYMBOL_DEF_USER;
switch (sym->type) {
case S_STRING:
case S_INT:
case S_HEX:
// 如果字符串值超出范围，则重置字符串值
if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
break;
sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
conf_unsaved++;
break;
default:
break;
}
}
}
sym_add_change_count(conf_warnings || conf_unsaved);
return 0;
}
/*

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