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/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <sys/stat.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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15 |
#define LKC_DIRECT_LINK
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#include "lkc.h"
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static void conf_warning(const char *fmt, ...)
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__attribute__ ((format (printf, 1, 2)));
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static const char *conf_filename;
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static int conf_lineno, conf_warnings, conf_unsaved;
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const char conf_defname[] = "arch/$ARCH/defconfig";
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static void conf_warning(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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conf_warnings++;
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}
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const char *conf_get_configname(void)
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38 |
{
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char *name = getenv("KCONFIG_CONFIG");
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return name ? name : ".config";
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}
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44 |
static char *conf_expand_value(const char *in)
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{
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struct symbol *sym;
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47 |
const char *src;
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static char res_value[SYMBOL_MAXLENGTH];
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char *dst, name[SYMBOL_MAXLENGTH];
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res_value[0] = 0;
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dst = name;
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while ((src = strchr(in, '$'))) {
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strncat(res_value, in, src - in);
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src++;
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dst = name;
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while (isalnum(*src) || *src == '_')
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*dst++ = *src++;
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*dst = 0;
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sym = sym_lookup(name, 0);
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sym_calc_value(sym);
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strcat(res_value, sym_get_string_value(sym));
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in = src;
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}
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strcat(res_value, in);
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return res_value;
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}
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char *conf_get_default_confname(void)
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{
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struct stat buf;
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static char fullname[PATH_MAX+1];
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char *env, *name;
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name = conf_expand_value(conf_defname);
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env = getenv(SRCTREE);
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if (env) {
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sprintf(fullname, "%s/%s", env, name);
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if (!stat(fullname, &buf))
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return fullname;
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}
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return name;
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}
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int conf_read_simple(const char *name, int def)
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{
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FILE *in = NULL;
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char line[1024];
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char *p, *p2;
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struct symbol *sym;
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int i, def_flags;
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if (name) {
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in = zconf_fopen(name);
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} else {
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struct property *prop;
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name = conf_get_configname();
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in = zconf_fopen(name);
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if (in)
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goto load;
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sym_add_change_count(1);
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if (!sym_defconfig_list)
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return 1;
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for_all_defaults(sym_defconfig_list, prop) {
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if (expr_calc_value(prop->visible.expr) == no ||
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prop->expr->type != E_SYMBOL)
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continue;
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name = conf_expand_value(prop->expr->left.sym->name);
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in = zconf_fopen(name);
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if (in) {
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printf(_("#\n"
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"# using defaults found in %s\n"
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"#\n"), name);
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goto load;
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}
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}
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}
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if (!in)
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return 1;
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load:
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conf_filename = name;
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conf_lineno = 0;
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conf_warnings = 0;
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conf_unsaved = 0;
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def_flags = SYMBOL_DEF << def;
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for_all_symbols(i, sym) {
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sym->flags |= SYMBOL_CHANGED;
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sym->flags &= ~(def_flags|SYMBOL_VALID);
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if (sym_is_choice(sym))
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sym->flags |= def_flags;
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switch (sym->type) {
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case S_INT:
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case S_HEX:
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case S_STRING:
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if (sym->def[def].val)
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free(sym->def[def].val);
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default:
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sym->def[def].val = NULL;
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sym->def[def].tri = no;
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}
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}
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while (fgets(line, sizeof(line), in)) {
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conf_lineno++;
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sym = NULL;
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switch (line[0]) {
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case '#':
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if (memcmp(line + 2, "CT_", 3))
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continue;
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p = strchr(line + 5, ' ');
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if (!p)
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continue;
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*p++ = 0;
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if (strncmp(p, "is not set", 10))
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continue;
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if (def == S_DEF_USER) {
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sym = sym_find(line + 5);
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if (!sym) {
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conf_warning("trying to assign nonexistent symbol %s", line + 5);
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break;
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}
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} else {
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sym = sym_lookup(line + 5, 0);
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if (sym->type == S_UNKNOWN)
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sym->type = S_BOOLEAN;
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}
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if (sym->flags & def_flags) {
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conf_warning("trying to reassign symbol %s", sym->name);
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break;
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}
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switch (sym->type) {
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case S_BOOLEAN:
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case S_TRISTATE:
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179 |
sym->def[def].tri = no;
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sym->flags |= def_flags;
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break;
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182 |
default:
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183 |
;
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184 |
}
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yann@1
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185 |
break;
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186 |
case 'C':
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187 |
if (memcmp(line, "CT_", 3)) {
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188 |
conf_warning("unexpected data");
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189 |
continue;
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190 |
}
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191 |
p = strchr(line + 3, '=');
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192 |
if (!p)
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193 |
continue;
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194 |
*p++ = 0;
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195 |
p2 = strchr(p, '\n');
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yann@1
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196 |
if (p2) {
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197 |
*p2-- = 0;
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|
198 |
if (*p2 == '\r')
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*p2 = 0;
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200 |
}
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201 |
if (def == S_DEF_USER) {
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yann@1
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202 |
sym = sym_find(line + 3);
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yann@1
|
203 |
if (!sym) {
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yann@1
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204 |
conf_warning("trying to assign nonexistent symbol %s", line + 3);
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yann@1
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205 |
break;
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yann@1
|
206 |
}
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yann@1
|
207 |
} else {
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yann@1
|
208 |
sym = sym_lookup(line + 3, 0);
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yann@1
|
209 |
if (sym->type == S_UNKNOWN)
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|
210 |
sym->type = S_OTHER;
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yann@1
|
211 |
}
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yann@1
|
212 |
if (sym->flags & def_flags) {
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yann@1
|
213 |
conf_warning("trying to reassign symbol %s", sym->name);
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yann@1
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214 |
break;
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yann@1
|
215 |
}
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yann@1
|
216 |
switch (sym->type) {
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yann@1
|
217 |
case S_TRISTATE:
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yann@1
|
218 |
if (p[0] == 'm') {
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yann@1
|
219 |
sym->def[def].tri = mod;
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yann@1
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220 |
sym->flags |= def_flags;
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yann@1
|
221 |
break;
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yann@1
|
222 |
}
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yann@1
|
223 |
case S_BOOLEAN:
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yann@1
|
224 |
if (p[0] == 'y') {
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yann@1
|
225 |
sym->def[def].tri = yes;
|
yann@1
|
226 |
sym->flags |= def_flags;
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yann@1
|
227 |
break;
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yann@1
|
228 |
}
|
yann@1
|
229 |
if (p[0] == 'n') {
|
yann@1
|
230 |
sym->def[def].tri = no;
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yann@1
|
231 |
sym->flags |= def_flags;
|
yann@1
|
232 |
break;
|
yann@1
|
233 |
}
|
yann@1
|
234 |
conf_warning("symbol value '%s' invalid for %s", p, sym->name);
|
yann@1
|
235 |
break;
|
yann@1
|
236 |
case S_OTHER:
|
yann@1
|
237 |
if (*p != '"') {
|
yann@1
|
238 |
for (p2 = p; *p2 && !isspace(*p2); p2++)
|
yann@1
|
239 |
;
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yann@1
|
240 |
sym->type = S_STRING;
|
yann@1
|
241 |
goto done;
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yann@1
|
242 |
}
|
yann@1
|
243 |
case S_STRING:
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yann@1
|
244 |
if (*p++ != '"')
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yann@1
|
245 |
break;
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yann@1
|
246 |
for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
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yann@1
|
247 |
if (*p2 == '"') {
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yann@1
|
248 |
*p2 = 0;
|
yann@1
|
249 |
break;
|
yann@1
|
250 |
}
|
yann@1
|
251 |
memmove(p2, p2 + 1, strlen(p2));
|
yann@1
|
252 |
}
|
yann@1
|
253 |
if (!p2) {
|
yann@1
|
254 |
conf_warning("invalid string found");
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yann@1
|
255 |
continue;
|
yann@1
|
256 |
}
|
yann@1
|
257 |
case S_INT:
|
yann@1
|
258 |
case S_HEX:
|
yann@1
|
259 |
done:
|
yann@1
|
260 |
if (sym_string_valid(sym, p)) {
|
yann@1
|
261 |
sym->def[def].val = strdup(p);
|
yann@1
|
262 |
sym->flags |= def_flags;
|
yann@1
|
263 |
} else {
|
yann@1
|
264 |
conf_warning("symbol value '%s' invalid for %s", p, sym->name);
|
yann@1
|
265 |
continue;
|
yann@1
|
266 |
}
|
yann@1
|
267 |
break;
|
yann@1
|
268 |
default:
|
yann@1
|
269 |
;
|
yann@1
|
270 |
}
|
yann@1
|
271 |
break;
|
yann@1
|
272 |
case '\r':
|
yann@1
|
273 |
case '\n':
|
yann@1
|
274 |
break;
|
yann@1
|
275 |
default:
|
yann@1
|
276 |
conf_warning("unexpected data");
|
yann@1
|
277 |
continue;
|
yann@1
|
278 |
}
|
yann@1
|
279 |
if (sym && sym_is_choice_value(sym)) {
|
yann@1
|
280 |
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
|
yann@1
|
281 |
switch (sym->def[def].tri) {
|
yann@1
|
282 |
case no:
|
yann@1
|
283 |
break;
|
yann@1
|
284 |
case mod:
|
yann@1
|
285 |
if (cs->def[def].tri == yes) {
|
yann@1
|
286 |
conf_warning("%s creates inconsistent choice state", sym->name);
|
yann@1
|
287 |
cs->flags &= ~def_flags;
|
yann@1
|
288 |
}
|
yann@1
|
289 |
break;
|
yann@1
|
290 |
case yes:
|
yann@1
|
291 |
if (cs->def[def].tri != no) {
|
yann@1
|
292 |
conf_warning("%s creates inconsistent choice state", sym->name);
|
yann@1
|
293 |
cs->flags &= ~def_flags;
|
yann@1
|
294 |
} else
|
yann@1
|
295 |
cs->def[def].val = sym;
|
yann@1
|
296 |
break;
|
yann@1
|
297 |
}
|
yann@1
|
298 |
cs->def[def].tri = E_OR(cs->def[def].tri, sym->def[def].tri);
|
yann@1
|
299 |
}
|
yann@1
|
300 |
}
|
yann@1
|
301 |
fclose(in);
|
yann@1
|
302 |
|
yann@1
|
303 |
if (modules_sym)
|
yann@1
|
304 |
sym_calc_value(modules_sym);
|
yann@1
|
305 |
return 0;
|
yann@1
|
306 |
}
|
yann@1
|
307 |
|
yann@1
|
308 |
int conf_read(const char *name)
|
yann@1
|
309 |
{
|
yann@1
|
310 |
struct symbol *sym;
|
yann@1
|
311 |
struct property *prop;
|
yann@1
|
312 |
struct expr *e;
|
yann@1
|
313 |
int i, flags;
|
yann@1
|
314 |
|
yann@39
|
315 |
sym_set_change_count(0);
|
yann@1
|
316 |
|
yann@1
|
317 |
if (conf_read_simple(name, S_DEF_USER))
|
yann@1
|
318 |
return 1;
|
yann@1
|
319 |
|
yann@1
|
320 |
for_all_symbols(i, sym) {
|
yann@1
|
321 |
sym_calc_value(sym);
|
yann@1
|
322 |
if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
|
yann@1
|
323 |
goto sym_ok;
|
yann@1
|
324 |
if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
|
yann@1
|
325 |
/* check that calculated value agrees with saved value */
|
yann@1
|
326 |
switch (sym->type) {
|
yann@1
|
327 |
case S_BOOLEAN:
|
yann@1
|
328 |
case S_TRISTATE:
|
yann@1
|
329 |
if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
|
yann@1
|
330 |
break;
|
yann@1
|
331 |
if (!sym_is_choice(sym))
|
yann@1
|
332 |
goto sym_ok;
|
yann@1
|
333 |
default:
|
yann@1
|
334 |
if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
|
yann@1
|
335 |
goto sym_ok;
|
yann@1
|
336 |
break;
|
yann@1
|
337 |
}
|
yann@1
|
338 |
} else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
|
yann@1
|
339 |
/* no previous value and not saved */
|
yann@1
|
340 |
goto sym_ok;
|
yann@1
|
341 |
conf_unsaved++;
|
yann@1
|
342 |
/* maybe print value in verbose mode... */
|
yann@1
|
343 |
sym_ok:
|
yann@1
|
344 |
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
|
yann@1
|
345 |
if (sym->visible == no)
|
yann@1
|
346 |
sym->flags &= ~SYMBOL_DEF_USER;
|
yann@1
|
347 |
switch (sym->type) {
|
yann@1
|
348 |
case S_STRING:
|
yann@1
|
349 |
case S_INT:
|
yann@1
|
350 |
case S_HEX:
|
yann@1
|
351 |
if (!sym_string_within_range(sym, sym->def[S_DEF_USER].val))
|
yann@1
|
352 |
sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
|
yann@1
|
353 |
default:
|
yann@1
|
354 |
break;
|
yann@1
|
355 |
}
|
yann@1
|
356 |
}
|
yann@1
|
357 |
if (!sym_is_choice(sym))
|
yann@1
|
358 |
continue;
|
yann@1
|
359 |
prop = sym_get_choice_prop(sym);
|
yann@1
|
360 |
flags = sym->flags;
|
yann@1
|
361 |
for (e = prop->expr; e; e = e->left.expr)
|
yann@1
|
362 |
if (e->right.sym->visible != no)
|
yann@1
|
363 |
flags &= e->right.sym->flags;
|
yann@1
|
364 |
sym->flags &= flags | ~SYMBOL_DEF_USER;
|
yann@1
|
365 |
}
|
yann@1
|
366 |
|
yann@39
|
367 |
sym_add_change_count(conf_warnings || conf_unsaved);
|
yann@1
|
368 |
|
yann@1
|
369 |
return 0;
|
yann@1
|
370 |
}
|
yann@1
|
371 |
|
yann@1
|
372 |
int conf_write(const char *name)
|
yann@1
|
373 |
{
|
yann@1
|
374 |
FILE *out;
|
yann@1
|
375 |
struct symbol *sym;
|
yann@1
|
376 |
struct menu *menu;
|
yann@1
|
377 |
const char *basename;
|
yann@1
|
378 |
char dirname[128], tmpname[128], newname[128];
|
yann@39
|
379 |
int type, l;
|
yann@1
|
380 |
const char *str;
|
yann@1
|
381 |
time_t now;
|
yann@1
|
382 |
int use_timestamp = 1;
|
yann@1
|
383 |
char *env;
|
yann@1
|
384 |
|
yann@1
|
385 |
dirname[0] = 0;
|
yann@1
|
386 |
if (name && name[0]) {
|
yann@1
|
387 |
struct stat st;
|
yann@1
|
388 |
char *slash;
|
yann@1
|
389 |
|
yann@1
|
390 |
if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
|
yann@1
|
391 |
strcpy(dirname, name);
|
yann@1
|
392 |
strcat(dirname, "/");
|
yann@1
|
393 |
basename = conf_get_configname();
|
yann@1
|
394 |
} else if ((slash = strrchr(name, '/'))) {
|
yann@1
|
395 |
int size = slash - name + 1;
|
yann@1
|
396 |
memcpy(dirname, name, size);
|
yann@1
|
397 |
dirname[size] = 0;
|
yann@1
|
398 |
if (slash[1])
|
yann@1
|
399 |
basename = slash + 1;
|
yann@1
|
400 |
else
|
yann@1
|
401 |
basename = conf_get_configname();
|
yann@1
|
402 |
} else
|
yann@1
|
403 |
basename = name;
|
yann@1
|
404 |
} else
|
yann@1
|
405 |
basename = conf_get_configname();
|
yann@1
|
406 |
|
yann@1
|
407 |
sprintf(newname, "%s%s", dirname, basename);
|
yann@1
|
408 |
env = getenv("KCONFIG_OVERWRITECONFIG");
|
yann@1
|
409 |
if (!env || !*env) {
|
yann@1
|
410 |
sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
|
yann@1
|
411 |
out = fopen(tmpname, "w");
|
yann@1
|
412 |
} else {
|
yann@1
|
413 |
*tmpname = 0;
|
yann@1
|
414 |
out = fopen(newname, "w");
|
yann@1
|
415 |
}
|
yann@1
|
416 |
if (!out)
|
yann@1
|
417 |
return 1;
|
yann@1
|
418 |
|
yann@1
|
419 |
sym = sym_lookup("PROJECTVERSION", 0);
|
yann@1
|
420 |
sym_calc_value(sym);
|
yann@1
|
421 |
time(&now);
|
yann@1
|
422 |
env = getenv("KCONFIG_NOTIMESTAMP");
|
yann@1
|
423 |
if (env && *env)
|
yann@1
|
424 |
use_timestamp = 0;
|
yann@1
|
425 |
|
yann@1
|
426 |
fprintf(out, _("#\n"
|
yann@1
|
427 |
"# Automatically generated make config: don't edit\n"
|
yann@1
|
428 |
"# "PROJECT_NAME" version: %s\n"
|
yann@1
|
429 |
"%s%s"
|
yann@1
|
430 |
"#\n"),
|
yann@1
|
431 |
sym_get_string_value(sym),
|
yann@1
|
432 |
use_timestamp ? "# " : "",
|
yann@1
|
433 |
use_timestamp ? ctime(&now) : "");
|
yann@1
|
434 |
|
yann@39
|
435 |
if (!conf_get_changed())
|
yann@1
|
436 |
sym_clear_all_valid();
|
yann@1
|
437 |
|
yann@1
|
438 |
menu = rootmenu.list;
|
yann@1
|
439 |
while (menu) {
|
yann@1
|
440 |
sym = menu->sym;
|
yann@1
|
441 |
if (!sym) {
|
yann@1
|
442 |
if (!menu_is_visible(menu))
|
yann@1
|
443 |
goto next;
|
yann@1
|
444 |
str = menu_get_prompt(menu);
|
yann@1
|
445 |
fprintf(out, "\n"
|
yann@1
|
446 |
"#\n"
|
yann@1
|
447 |
"# %s\n"
|
yann@1
|
448 |
"#\n", str);
|
yann@1
|
449 |
} else if (!(sym->flags & SYMBOL_CHOICE)) {
|
yann@1
|
450 |
sym_calc_value(sym);
|
yann@39
|
451 |
if (!(sym->flags & SYMBOL_WRITE))
|
yann@1
|
452 |
goto next;
|
yann@39
|
453 |
sym->flags &= ~SYMBOL_WRITE;
|
yann@1
|
454 |
type = sym->type;
|
yann@1
|
455 |
if (type == S_TRISTATE) {
|
yann@1
|
456 |
sym_calc_value(modules_sym);
|
yann@1
|
457 |
if (modules_sym->curr.tri == no)
|
yann@1
|
458 |
type = S_BOOLEAN;
|
yann@1
|
459 |
}
|
yann@1
|
460 |
switch (type) {
|
yann@1
|
461 |
case S_BOOLEAN:
|
yann@1
|
462 |
case S_TRISTATE:
|
yann@1
|
463 |
switch (sym_get_tristate_value(sym)) {
|
yann@1
|
464 |
case no:
|
yann@1
|
465 |
fprintf(out, "# CT_%s is not set\n", sym->name);
|
yann@1
|
466 |
break;
|
yann@1
|
467 |
case mod:
|
yann@1
|
468 |
fprintf(out, "CT_%s=m\n", sym->name);
|
yann@1
|
469 |
break;
|
yann@1
|
470 |
case yes:
|
yann@1
|
471 |
fprintf(out, "CT_%s=y\n", sym->name);
|
yann@1
|
472 |
break;
|
yann@1
|
473 |
}
|
yann@1
|
474 |
break;
|
yann@1
|
475 |
case S_STRING:
|
yann@1
|
476 |
str = sym_get_string_value(sym);
|
yann@1
|
477 |
fprintf(out, "CT_%s=\"", sym->name);
|
yann@1
|
478 |
while (1) {
|
yann@1
|
479 |
l = strcspn(str, "\"\\");
|
yann@1
|
480 |
if (l) {
|
yann@1
|
481 |
fwrite(str, l, 1, out);
|
yann@1
|
482 |
str += l;
|
yann@1
|
483 |
}
|
yann@1
|
484 |
if (!*str)
|
yann@1
|
485 |
break;
|
yann@1
|
486 |
fprintf(out, "\\%c", *str++);
|
yann@1
|
487 |
}
|
yann@1
|
488 |
fputs("\"\n", out);
|
yann@1
|
489 |
break;
|
yann@1
|
490 |
case S_HEX:
|
yann@1
|
491 |
str = sym_get_string_value(sym);
|
yann@1
|
492 |
if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
|
yann@39
|
493 |
fprintf(out, "CT_%s=%s\n", sym->name, str);
|
yann@1
|
494 |
break;
|
yann@1
|
495 |
}
|
yann@1
|
496 |
case S_INT:
|
yann@1
|
497 |
str = sym_get_string_value(sym);
|
yann@39
|
498 |
fprintf(out, "CT_%s=%s\n", sym->name, str);
|
yann@1
|
499 |
break;
|
yann@1
|
500 |
}
|
yann@1
|
501 |
}
|
yann@1
|
502 |
|
yann@1
|
503 |
next:
|
yann@39
|
504 |
if (menu->list) {
|
yann@39
|
505 |
menu = menu->list;
|
yann@39
|
506 |
continue;
|
yann@39
|
507 |
}
|
yann@39
|
508 |
if (menu->next)
|
yann@39
|
509 |
menu = menu->next;
|
yann@39
|
510 |
else while ((menu = menu->parent)) {
|
yann@39
|
511 |
if (menu->next) {
|
yann@39
|
512 |
menu = menu->next;
|
yann@39
|
513 |
break;
|
yann@1
|
514 |
}
|
yann@39
|
515 |
}
|
yann@1
|
516 |
}
|
yann@1
|
517 |
fclose(out);
|
yann@1
|
518 |
|
yann@1
|
519 |
if (*tmpname) {
|
yann@1
|
520 |
strcat(dirname, basename);
|
yann@1
|
521 |
strcat(dirname, ".old");
|
yann@1
|
522 |
rename(newname, dirname);
|
yann@1
|
523 |
if (rename(tmpname, newname))
|
yann@1
|
524 |
return 1;
|
yann@1
|
525 |
}
|
yann@1
|
526 |
|
yann@39
|
527 |
sym_set_change_count(0);
|
yann@1
|
528 |
|
yann@1
|
529 |
return 0;
|
yann@1
|
530 |
}
|
yann@1
|
531 |
|
yann@1
|
532 |
int conf_split_config(void)
|
yann@1
|
533 |
{
|
yann@1
|
534 |
char *name, path[128];
|
yann@1
|
535 |
char *s, *d, c;
|
yann@1
|
536 |
struct symbol *sym;
|
yann@1
|
537 |
struct stat sb;
|
yann@1
|
538 |
int res, i, fd;
|
yann@1
|
539 |
|
yann@1
|
540 |
name = getenv("KCONFIG_AUTOCONFIG");
|
yann@1
|
541 |
if (!name)
|
yann@1
|
542 |
name = "include/config/auto.conf";
|
yann@1
|
543 |
conf_read_simple(name, S_DEF_AUTO);
|
yann@1
|
544 |
|
yann@1
|
545 |
if (chdir("include/config"))
|
yann@1
|
546 |
return 1;
|
yann@1
|
547 |
|
yann@1
|
548 |
res = 0;
|
yann@1
|
549 |
for_all_symbols(i, sym) {
|
yann@1
|
550 |
sym_calc_value(sym);
|
yann@1
|
551 |
if ((sym->flags & SYMBOL_AUTO) || !sym->name)
|
yann@1
|
552 |
continue;
|
yann@1
|
553 |
if (sym->flags & SYMBOL_WRITE) {
|
yann@1
|
554 |
if (sym->flags & SYMBOL_DEF_AUTO) {
|
yann@1
|
555 |
/*
|
yann@1
|
556 |
* symbol has old and new value,
|
yann@1
|
557 |
* so compare them...
|
yann@1
|
558 |
*/
|
yann@1
|
559 |
switch (sym->type) {
|
yann@1
|
560 |
case S_BOOLEAN:
|
yann@1
|
561 |
case S_TRISTATE:
|
yann@1
|
562 |
if (sym_get_tristate_value(sym) ==
|
yann@1
|
563 |
sym->def[S_DEF_AUTO].tri)
|
yann@1
|
564 |
continue;
|
yann@1
|
565 |
break;
|
yann@1
|
566 |
case S_STRING:
|
yann@1
|
567 |
case S_HEX:
|
yann@1
|
568 |
case S_INT:
|
yann@1
|
569 |
if (!strcmp(sym_get_string_value(sym),
|
yann@1
|
570 |
sym->def[S_DEF_AUTO].val))
|
yann@1
|
571 |
continue;
|
yann@1
|
572 |
break;
|
yann@1
|
573 |
default:
|
yann@1
|
574 |
break;
|
yann@1
|
575 |
}
|
yann@1
|
576 |
} else {
|
yann@1
|
577 |
/*
|
yann@1
|
578 |
* If there is no old value, only 'no' (unset)
|
yann@1
|
579 |
* is allowed as new value.
|
yann@1
|
580 |
*/
|
yann@1
|
581 |
switch (sym->type) {
|
yann@1
|
582 |
case S_BOOLEAN:
|
yann@1
|
583 |
case S_TRISTATE:
|
yann@1
|
584 |
if (sym_get_tristate_value(sym) == no)
|
yann@1
|
585 |
continue;
|
yann@1
|
586 |
break;
|
yann@1
|
587 |
default:
|
yann@1
|
588 |
break;
|
yann@1
|
589 |
}
|
yann@1
|
590 |
}
|
yann@1
|
591 |
} else if (!(sym->flags & SYMBOL_DEF_AUTO))
|
yann@1
|
592 |
/* There is neither an old nor a new value. */
|
yann@1
|
593 |
continue;
|
yann@1
|
594 |
/* else
|
yann@1
|
595 |
* There is an old value, but no new value ('no' (unset)
|
yann@1
|
596 |
* isn't saved in auto.conf, so the old value is always
|
yann@1
|
597 |
* different from 'no').
|
yann@1
|
598 |
*/
|
yann@1
|
599 |
|
yann@1
|
600 |
/* Replace all '_' and append ".h" */
|
yann@1
|
601 |
s = sym->name;
|
yann@1
|
602 |
d = path;
|
yann@1
|
603 |
while ((c = *s++)) {
|
yann@1
|
604 |
c = tolower(c);
|
yann@1
|
605 |
*d++ = (c == '_') ? '/' : c;
|
yann@1
|
606 |
}
|
yann@1
|
607 |
strcpy(d, ".h");
|
yann@1
|
608 |
|
yann@1
|
609 |
/* Assume directory path already exists. */
|
yann@1
|
610 |
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
|
yann@1
|
611 |
if (fd == -1) {
|
yann@1
|
612 |
if (errno != ENOENT) {
|
yann@1
|
613 |
res = 1;
|
yann@1
|
614 |
break;
|
yann@1
|
615 |
}
|
yann@1
|
616 |
/*
|
yann@1
|
617 |
* Create directory components,
|
yann@1
|
618 |
* unless they exist already.
|
yann@1
|
619 |
*/
|
yann@1
|
620 |
d = path;
|
yann@1
|
621 |
while ((d = strchr(d, '/'))) {
|
yann@1
|
622 |
*d = 0;
|
yann@1
|
623 |
if (stat(path, &sb) && mkdir(path, 0755)) {
|
yann@1
|
624 |
res = 1;
|
yann@1
|
625 |
goto out;
|
yann@1
|
626 |
}
|
yann@1
|
627 |
*d++ = '/';
|
yann@1
|
628 |
}
|
yann@1
|
629 |
/* Try it again. */
|
yann@1
|
630 |
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
|
yann@1
|
631 |
if (fd == -1) {
|
yann@1
|
632 |
res = 1;
|
yann@1
|
633 |
break;
|
yann@1
|
634 |
}
|
yann@1
|
635 |
}
|
yann@1
|
636 |
close(fd);
|
yann@1
|
637 |
}
|
yann@1
|
638 |
out:
|
yann@1
|
639 |
if (chdir("../.."))
|
yann@1
|
640 |
return 1;
|
yann@1
|
641 |
|
yann@1
|
642 |
return res;
|
yann@1
|
643 |
}
|
yann@1
|
644 |
|
yann@1
|
645 |
int conf_write_autoconf(void)
|
yann@1
|
646 |
{
|
yann@1
|
647 |
struct symbol *sym;
|
yann@1
|
648 |
const char *str;
|
yann@1
|
649 |
char *name;
|
yann@1
|
650 |
FILE *out, *out_h;
|
yann@1
|
651 |
time_t now;
|
yann@1
|
652 |
int i, l;
|
yann@1
|
653 |
|
yann@1
|
654 |
sym_clear_all_valid();
|
yann@1
|
655 |
|
yann@1
|
656 |
file_write_dep("include/config/auto.conf.cmd");
|
yann@1
|
657 |
|
yann@1
|
658 |
if (conf_split_config())
|
yann@1
|
659 |
return 1;
|
yann@1
|
660 |
|
yann@1
|
661 |
out = fopen(".tmpconfig", "w");
|
yann@1
|
662 |
if (!out)
|
yann@1
|
663 |
return 1;
|
yann@1
|
664 |
|
yann@1
|
665 |
out_h = fopen(".tmpconfig.h", "w");
|
yann@1
|
666 |
if (!out_h) {
|
yann@1
|
667 |
fclose(out);
|
yann@1
|
668 |
return 1;
|
yann@1
|
669 |
}
|
yann@1
|
670 |
|
yann@1
|
671 |
sym = sym_lookup("PROJECTVERSION", 0);
|
yann@1
|
672 |
sym_calc_value(sym);
|
yann@1
|
673 |
time(&now);
|
yann@1
|
674 |
fprintf(out, "#\n"
|
yann@1
|
675 |
"# Automatically generated make config: don't edit\n"
|
yann@1
|
676 |
"# "PROJECT_NAME" version: %s\n"
|
yann@1
|
677 |
"# %s"
|
yann@1
|
678 |
"#\n",
|
yann@1
|
679 |
sym_get_string_value(sym), ctime(&now));
|
yann@1
|
680 |
fprintf(out_h, "/*\n"
|
yann@1
|
681 |
" * Automatically generated C config: don't edit\n"
|
yann@1
|
682 |
" * "PROJECT_NAME" version: %s\n"
|
yann@1
|
683 |
" * %s"
|
yann@1
|
684 |
" */\n"
|
yann@1
|
685 |
"#define AUTOCONF_INCLUDED\n",
|
yann@1
|
686 |
sym_get_string_value(sym), ctime(&now));
|
yann@1
|
687 |
|
yann@1
|
688 |
for_all_symbols(i, sym) {
|
yann@1
|
689 |
sym_calc_value(sym);
|
yann@1
|
690 |
if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
|
yann@1
|
691 |
continue;
|
yann@1
|
692 |
switch (sym->type) {
|
yann@1
|
693 |
case S_BOOLEAN:
|
yann@1
|
694 |
case S_TRISTATE:
|
yann@1
|
695 |
switch (sym_get_tristate_value(sym)) {
|
yann@1
|
696 |
case no:
|
yann@1
|
697 |
break;
|
yann@1
|
698 |
case mod:
|
yann@1
|
699 |
fprintf(out, "CT_%s=m\n", sym->name);
|
yann@1
|
700 |
fprintf(out_h, "#define CT_%s_MODULE 1\n", sym->name);
|
yann@1
|
701 |
break;
|
yann@1
|
702 |
case yes:
|
yann@1
|
703 |
fprintf(out, "CT_%s=y\n", sym->name);
|
yann@1
|
704 |
fprintf(out_h, "#define CT_%s 1\n", sym->name);
|
yann@1
|
705 |
break;
|
yann@1
|
706 |
}
|
yann@1
|
707 |
break;
|
yann@1
|
708 |
case S_STRING:
|
yann@1
|
709 |
str = sym_get_string_value(sym);
|
yann@1
|
710 |
fprintf(out, "CT_%s=\"", sym->name);
|
yann@1
|
711 |
fprintf(out_h, "#define CT_%s \"", sym->name);
|
yann@1
|
712 |
while (1) {
|
yann@1
|
713 |
l = strcspn(str, "\"\\");
|
yann@1
|
714 |
if (l) {
|
yann@1
|
715 |
fwrite(str, l, 1, out);
|
yann@1
|
716 |
fwrite(str, l, 1, out_h);
|
yann@1
|
717 |
str += l;
|
yann@1
|
718 |
}
|
yann@1
|
719 |
if (!*str)
|
yann@1
|
720 |
break;
|
yann@1
|
721 |
fprintf(out, "\\%c", *str);
|
yann@1
|
722 |
fprintf(out_h, "\\%c", *str);
|
yann@1
|
723 |
str++;
|
yann@1
|
724 |
}
|
yann@1
|
725 |
fputs("\"\n", out);
|
yann@1
|
726 |
fputs("\"\n", out_h);
|
yann@1
|
727 |
break;
|
yann@1
|
728 |
case S_HEX:
|
yann@1
|
729 |
str = sym_get_string_value(sym);
|
yann@1
|
730 |
if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
|
yann@1
|
731 |
fprintf(out, "CT_%s=%s\n", sym->name, str);
|
yann@1
|
732 |
fprintf(out_h, "#define CT_%s 0x%s\n", sym->name, str);
|
yann@1
|
733 |
break;
|
yann@1
|
734 |
}
|
yann@1
|
735 |
case S_INT:
|
yann@1
|
736 |
str = sym_get_string_value(sym);
|
yann@1
|
737 |
fprintf(out, "CT_%s=%s\n", sym->name, str);
|
yann@1
|
738 |
fprintf(out_h, "#define CT_%s %s\n", sym->name, str);
|
yann@1
|
739 |
break;
|
yann@1
|
740 |
default:
|
yann@1
|
741 |
break;
|
yann@1
|
742 |
}
|
yann@1
|
743 |
}
|
yann@1
|
744 |
fclose(out);
|
yann@1
|
745 |
fclose(out_h);
|
yann@1
|
746 |
|
yann@1
|
747 |
name = getenv("KCONFIG_AUTOHEADER");
|
yann@1
|
748 |
if (!name)
|
yann@1
|
749 |
name = "include/linux/autoconf.h";
|
yann@1
|
750 |
if (rename(".tmpconfig.h", name))
|
yann@1
|
751 |
return 1;
|
yann@1
|
752 |
name = getenv("KCONFIG_AUTOCONFIG");
|
yann@1
|
753 |
if (!name)
|
yann@1
|
754 |
name = "include/config/auto.conf";
|
yann@1
|
755 |
/*
|
yann@1
|
756 |
* This must be the last step, kbuild has a dependency on auto.conf
|
yann@1
|
757 |
* and this marks the successful completion of the previous steps.
|
yann@1
|
758 |
*/
|
yann@1
|
759 |
if (rename(".tmpconfig", name))
|
yann@1
|
760 |
return 1;
|
yann@1
|
761 |
|
yann@1
|
762 |
return 0;
|
yann@1
|
763 |
}
|
yann@39
|
764 |
|
yann@39
|
765 |
static int sym_change_count;
|
yann@39
|
766 |
static void (*conf_changed_callback)(void);
|
yann@39
|
767 |
|
yann@39
|
768 |
void sym_set_change_count(int count)
|
yann@39
|
769 |
{
|
yann@39
|
770 |
int _sym_change_count = sym_change_count;
|
yann@39
|
771 |
sym_change_count = count;
|
yann@39
|
772 |
if (conf_changed_callback &&
|
yann@39
|
773 |
(bool)_sym_change_count != (bool)count)
|
yann@39
|
774 |
conf_changed_callback();
|
yann@39
|
775 |
}
|
yann@39
|
776 |
|
yann@39
|
777 |
void sym_add_change_count(int count)
|
yann@39
|
778 |
{
|
yann@39
|
779 |
sym_set_change_count(count + sym_change_count);
|
yann@39
|
780 |
}
|
yann@39
|
781 |
|
yann@39
|
782 |
bool conf_get_changed(void)
|
yann@39
|
783 |
{
|
yann@39
|
784 |
return sym_change_count;
|
yann@39
|
785 |
}
|
yann@39
|
786 |
|
yann@39
|
787 |
void conf_set_changed_callback(void (*fn)(void))
|
yann@39
|
788 |
{
|
yann@39
|
789 |
conf_changed_callback = fn;
|
yann@39
|
790 |
}
|