Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> |
| 3 | * Released under the terms of the GNU GPL v2.0. |
| 4 | */ |
| 5 | |
| 6 | #include <sys/stat.h> |
| 7 | #include <ctype.h> |
Arnaud Lacombe | 94bedec | 2010-08-17 01:40:20 -0400 | [diff] [blame] | 8 | #include <errno.h> |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 9 | #include <fcntl.h> |
Arnaud Lacombe | 10a4b27 | 2011-06-01 16:00:46 -0400 | [diff] [blame] | 10 | #include <stdarg.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <stdio.h> |
| 12 | #include <stdlib.h> |
| 13 | #include <string.h> |
| 14 | #include <time.h> |
| 15 | #include <unistd.h> |
| 16 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #include "lkc.h" |
| 18 | |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 19 | static void conf_warning(const char *fmt, ...) |
| 20 | __attribute__ ((format (printf, 1, 2))); |
| 21 | |
Michal Marek | 42368c3 | 2010-08-17 10:21:19 +0200 | [diff] [blame] | 22 | static void conf_message(const char *fmt, ...) |
| 23 | __attribute__ ((format (printf, 1, 2))); |
| 24 | |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 25 | static const char *conf_filename; |
| 26 | static int conf_lineno, conf_warnings, conf_unsaved; |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | const char conf_defname[] = "arch/$ARCH/defconfig"; |
| 29 | |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 30 | static void conf_warning(const char *fmt, ...) |
| 31 | { |
| 32 | va_list ap; |
| 33 | va_start(ap, fmt); |
| 34 | fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno); |
| 35 | vfprintf(stderr, fmt, ap); |
| 36 | fprintf(stderr, "\n"); |
| 37 | va_end(ap); |
| 38 | conf_warnings++; |
| 39 | } |
| 40 | |
Michal Marek | 42368c3 | 2010-08-17 10:21:19 +0200 | [diff] [blame] | 41 | static void conf_default_message_callback(const char *fmt, va_list ap) |
| 42 | { |
| 43 | printf("#\n# "); |
| 44 | vprintf(fmt, ap); |
| 45 | printf("\n#\n"); |
| 46 | } |
| 47 | |
| 48 | static void (*conf_message_callback) (const char *fmt, va_list ap) = |
| 49 | conf_default_message_callback; |
| 50 | void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap)) |
| 51 | { |
| 52 | conf_message_callback = fn; |
| 53 | } |
| 54 | |
| 55 | static void conf_message(const char *fmt, ...) |
| 56 | { |
| 57 | va_list ap; |
| 58 | |
| 59 | va_start(ap, fmt); |
| 60 | if (conf_message_callback) |
| 61 | conf_message_callback(fmt, ap); |
| 62 | } |
| 63 | |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 64 | const char *conf_get_configname(void) |
| 65 | { |
| 66 | char *name = getenv("KCONFIG_CONFIG"); |
| 67 | |
| 68 | return name ? name : ".config"; |
| 69 | } |
| 70 | |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 71 | const char *conf_get_autoconfig_name(void) |
| 72 | { |
| 73 | char *name = getenv("KCONFIG_AUTOCONFIG"); |
| 74 | |
| 75 | return name ? name : "include/config/auto.conf"; |
| 76 | } |
| 77 | |
J.A. Magallon | 48b9d03 | 2005-06-25 14:59:22 -0700 | [diff] [blame] | 78 | static char *conf_expand_value(const char *in) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | { |
| 80 | struct symbol *sym; |
J.A. Magallon | 48b9d03 | 2005-06-25 14:59:22 -0700 | [diff] [blame] | 81 | const char *src; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | static char res_value[SYMBOL_MAXLENGTH]; |
| 83 | char *dst, name[SYMBOL_MAXLENGTH]; |
| 84 | |
| 85 | res_value[0] = 0; |
| 86 | dst = name; |
| 87 | while ((src = strchr(in, '$'))) { |
| 88 | strncat(res_value, in, src - in); |
| 89 | src++; |
| 90 | dst = name; |
| 91 | while (isalnum(*src) || *src == '_') |
| 92 | *dst++ = *src++; |
| 93 | *dst = 0; |
| 94 | sym = sym_lookup(name, 0); |
| 95 | sym_calc_value(sym); |
| 96 | strcat(res_value, sym_get_string_value(sym)); |
| 97 | in = src; |
| 98 | } |
| 99 | strcat(res_value, in); |
| 100 | |
| 101 | return res_value; |
| 102 | } |
| 103 | |
| 104 | char *conf_get_default_confname(void) |
| 105 | { |
| 106 | struct stat buf; |
| 107 | static char fullname[PATH_MAX+1]; |
| 108 | char *env, *name; |
| 109 | |
| 110 | name = conf_expand_value(conf_defname); |
| 111 | env = getenv(SRCTREE); |
| 112 | if (env) { |
| 113 | sprintf(fullname, "%s/%s", env, name); |
| 114 | if (!stat(fullname, &buf)) |
| 115 | return fullname; |
| 116 | } |
| 117 | return name; |
| 118 | } |
| 119 | |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 120 | static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) |
| 121 | { |
| 122 | char *p2; |
| 123 | |
| 124 | switch (sym->type) { |
| 125 | case S_TRISTATE: |
| 126 | if (p[0] == 'm') { |
| 127 | sym->def[def].tri = mod; |
| 128 | sym->flags |= def_flags; |
| 129 | break; |
| 130 | } |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 131 | /* fall through */ |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 132 | case S_BOOLEAN: |
| 133 | if (p[0] == 'y') { |
| 134 | sym->def[def].tri = yes; |
| 135 | sym->flags |= def_flags; |
| 136 | break; |
| 137 | } |
| 138 | if (p[0] == 'n') { |
| 139 | sym->def[def].tri = no; |
| 140 | sym->flags |= def_flags; |
| 141 | break; |
| 142 | } |
| 143 | conf_warning("symbol value '%s' invalid for %s", p, sym->name); |
Arnaud Lacombe | 75f1468 | 2011-05-31 12:31:57 -0400 | [diff] [blame] | 144 | return 1; |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 145 | case S_OTHER: |
| 146 | if (*p != '"') { |
| 147 | for (p2 = p; *p2 && !isspace(*p2); p2++) |
| 148 | ; |
| 149 | sym->type = S_STRING; |
| 150 | goto done; |
| 151 | } |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 152 | /* fall through */ |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 153 | case S_STRING: |
| 154 | if (*p++ != '"') |
| 155 | break; |
| 156 | for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { |
| 157 | if (*p2 == '"') { |
| 158 | *p2 = 0; |
| 159 | break; |
| 160 | } |
| 161 | memmove(p2, p2 + 1, strlen(p2)); |
| 162 | } |
| 163 | if (!p2) { |
| 164 | conf_warning("invalid string found"); |
| 165 | return 1; |
| 166 | } |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 167 | /* fall through */ |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 168 | case S_INT: |
| 169 | case S_HEX: |
| 170 | done: |
| 171 | if (sym_string_valid(sym, p)) { |
| 172 | sym->def[def].val = strdup(p); |
| 173 | sym->flags |= def_flags; |
| 174 | } else { |
| 175 | conf_warning("symbol value '%s' invalid for %s", p, sym->name); |
| 176 | return 1; |
| 177 | } |
| 178 | break; |
| 179 | default: |
| 180 | ; |
| 181 | } |
| 182 | return 0; |
| 183 | } |
| 184 | |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 185 | int conf_read_simple(const char *name, int def) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | { |
| 187 | FILE *in = NULL; |
| 188 | char line[1024]; |
| 189 | char *p, *p2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | struct symbol *sym; |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 191 | int i, def_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | |
| 193 | if (name) { |
| 194 | in = zconf_fopen(name); |
| 195 | } else { |
Roman Zippel | face437 | 2006-06-08 22:12:45 -0700 | [diff] [blame] | 196 | struct property *prop; |
| 197 | |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 198 | name = conf_get_configname(); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 199 | in = zconf_fopen(name); |
| 200 | if (in) |
| 201 | goto load; |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 202 | sym_add_change_count(1); |
Ulf Magnusson | ac1ffde | 2010-07-27 21:57:43 +0200 | [diff] [blame] | 203 | if (!sym_defconfig_list) { |
| 204 | if (modules_sym) |
| 205 | sym_calc_value(modules_sym); |
Roman Zippel | face437 | 2006-06-08 22:12:45 -0700 | [diff] [blame] | 206 | return 1; |
Ulf Magnusson | ac1ffde | 2010-07-27 21:57:43 +0200 | [diff] [blame] | 207 | } |
Roman Zippel | face437 | 2006-06-08 22:12:45 -0700 | [diff] [blame] | 208 | |
| 209 | for_all_defaults(sym_defconfig_list, prop) { |
| 210 | if (expr_calc_value(prop->visible.expr) == no || |
| 211 | prop->expr->type != E_SYMBOL) |
| 212 | continue; |
| 213 | name = conf_expand_value(prop->expr->left.sym->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | in = zconf_fopen(name); |
| 215 | if (in) { |
Michal Marek | 42368c3 | 2010-08-17 10:21:19 +0200 | [diff] [blame] | 216 | conf_message(_("using defaults found in %s"), |
| 217 | name); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 218 | goto load; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | } |
| 220 | } |
| 221 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | if (!in) |
| 223 | return 1; |
| 224 | |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 225 | load: |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 226 | conf_filename = name; |
| 227 | conf_lineno = 0; |
| 228 | conf_warnings = 0; |
| 229 | conf_unsaved = 0; |
| 230 | |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 231 | def_flags = SYMBOL_DEF << def; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | for_all_symbols(i, sym) { |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 233 | sym->flags |= SYMBOL_CHANGED; |
| 234 | sym->flags &= ~(def_flags|SYMBOL_VALID); |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 235 | if (sym_is_choice(sym)) |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 236 | sym->flags |= def_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | switch (sym->type) { |
| 238 | case S_INT: |
| 239 | case S_HEX: |
| 240 | case S_STRING: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 241 | if (sym->def[def].val) |
| 242 | free(sym->def[def].val); |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 243 | /* fall through */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | default: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 245 | sym->def[def].val = NULL; |
| 246 | sym->def[def].tri = no; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | } |
| 248 | } |
| 249 | |
| 250 | while (fgets(line, sizeof(line), in)) { |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 251 | conf_lineno++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | sym = NULL; |
Arnaud Lacombe | 8baefd3 | 2010-08-24 00:14:47 -0400 | [diff] [blame] | 253 | if (line[0] == '#') { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 254 | if (memcmp(line + 2, CONFIG_, strlen(CONFIG_))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | continue; |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 256 | p = strchr(line + 2 + strlen(CONFIG_), ' '); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | if (!p) |
| 258 | continue; |
| 259 | *p++ = 0; |
| 260 | if (strncmp(p, "is not set", 10)) |
| 261 | continue; |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 262 | if (def == S_DEF_USER) { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 263 | sym = sym_find(line + 2 + strlen(CONFIG_)); |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 264 | if (!sym) { |
| 265 | sym_add_change_count(1); |
Naohiro Aota | 8bea754 | 2010-10-01 04:23:17 +0900 | [diff] [blame] | 266 | goto setsym; |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 267 | } |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 268 | } else { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 269 | sym = sym_lookup(line + 2 + strlen(CONFIG_), 0); |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 270 | if (sym->type == S_UNKNOWN) |
| 271 | sym->type = S_BOOLEAN; |
| 272 | } |
| 273 | if (sym->flags & def_flags) { |
Jan Engelhardt | d84876f | 2008-01-03 23:33:44 +0100 | [diff] [blame] | 274 | conf_warning("override: reassigning to symbol %s", sym->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | } |
| 276 | switch (sym->type) { |
| 277 | case S_BOOLEAN: |
| 278 | case S_TRISTATE: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 279 | sym->def[def].tri = no; |
| 280 | sym->flags |= def_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | break; |
| 282 | default: |
| 283 | ; |
| 284 | } |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 285 | } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) { |
| 286 | p = strchr(line + strlen(CONFIG_), '='); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | if (!p) |
| 288 | continue; |
| 289 | *p++ = 0; |
| 290 | p2 = strchr(p, '\n'); |
Matthew Wilcox | d3660a8 | 2006-07-13 12:54:07 -0600 | [diff] [blame] | 291 | if (p2) { |
| 292 | *p2-- = 0; |
| 293 | if (*p2 == '\r') |
| 294 | *p2 = 0; |
| 295 | } |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 296 | if (def == S_DEF_USER) { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 297 | sym = sym_find(line + strlen(CONFIG_)); |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 298 | if (!sym) { |
| 299 | sym_add_change_count(1); |
Naohiro Aota | 8bea754 | 2010-10-01 04:23:17 +0900 | [diff] [blame] | 300 | goto setsym; |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 301 | } |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 302 | } else { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 303 | sym = sym_lookup(line + strlen(CONFIG_), 0); |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 304 | if (sym->type == S_UNKNOWN) |
| 305 | sym->type = S_OTHER; |
| 306 | } |
| 307 | if (sym->flags & def_flags) { |
Jan Engelhardt | d84876f | 2008-01-03 23:33:44 +0100 | [diff] [blame] | 308 | conf_warning("override: reassigning to symbol %s", sym->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | } |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 310 | if (conf_set_sym_val(sym, def, def_flags, p)) |
| 311 | continue; |
Arnaud Lacombe | 8baefd3 | 2010-08-24 00:14:47 -0400 | [diff] [blame] | 312 | } else { |
| 313 | if (line[0] != '\r' && line[0] != '\n') |
| 314 | conf_warning("unexpected data"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | continue; |
| 316 | } |
Naohiro Aota | 8bea754 | 2010-10-01 04:23:17 +0900 | [diff] [blame] | 317 | setsym: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | if (sym && sym_is_choice_value(sym)) { |
| 319 | struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 320 | switch (sym->def[def].tri) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | case no: |
| 322 | break; |
| 323 | case mod: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 324 | if (cs->def[def].tri == yes) { |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 325 | conf_warning("%s creates inconsistent choice state", sym->name); |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 326 | cs->flags &= ~def_flags; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 327 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | break; |
| 329 | case yes: |
Jan Engelhardt | d84876f | 2008-01-03 23:33:44 +0100 | [diff] [blame] | 330 | if (cs->def[def].tri != no) |
| 331 | conf_warning("override: %s changes choice state", sym->name); |
| 332 | cs->def[def].val = sym; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | break; |
| 334 | } |
Sam Ravnborg | d6ee357 | 2008-01-07 21:09:55 +0100 | [diff] [blame] | 335 | cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | } |
| 337 | } |
| 338 | fclose(in); |
| 339 | |
| 340 | if (modules_sym) |
| 341 | sym_calc_value(modules_sym); |
Roman Zippel | 9038916 | 2005-11-08 21:34:49 -0800 | [diff] [blame] | 342 | return 0; |
| 343 | } |
| 344 | |
| 345 | int conf_read(const char *name) |
| 346 | { |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 347 | struct symbol *sym; |
| 348 | int i; |
Roman Zippel | 9038916 | 2005-11-08 21:34:49 -0800 | [diff] [blame] | 349 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 350 | sym_set_change_count(0); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 351 | |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 352 | if (conf_read_simple(name, S_DEF_USER)) |
Roman Zippel | 9038916 | 2005-11-08 21:34:49 -0800 | [diff] [blame] | 353 | return 1; |
| 354 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | for_all_symbols(i, sym) { |
| 356 | sym_calc_value(sym); |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 357 | if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO)) |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 358 | continue; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 359 | if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) { |
| 360 | /* check that calculated value agrees with saved value */ |
| 361 | switch (sym->type) { |
| 362 | case S_BOOLEAN: |
| 363 | case S_TRISTATE: |
Roman Zippel | 0c1822e | 2006-06-08 22:12:41 -0700 | [diff] [blame] | 364 | if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym)) |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 365 | break; |
| 366 | if (!sym_is_choice(sym)) |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 367 | continue; |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 368 | /* fall through */ |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 369 | default: |
Roman Zippel | 0c1822e | 2006-06-08 22:12:41 -0700 | [diff] [blame] | 370 | if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val)) |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 371 | continue; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 372 | break; |
| 373 | } |
| 374 | } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE)) |
| 375 | /* no previous value and not saved */ |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 376 | continue; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 377 | conf_unsaved++; |
| 378 | /* maybe print value in verbose mode... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | } |
| 380 | |
Roman Zippel | d8982ba | 2007-07-09 11:43:58 -0700 | [diff] [blame] | 381 | for_all_symbols(i, sym) { |
| 382 | if (sym_has_value(sym) && !sym_is_choice_value(sym)) { |
| 383 | /* Reset values of generates values, so they'll appear |
| 384 | * as new, if they should become visible, but that |
| 385 | * doesn't quite work if the Kconfig and the saved |
| 386 | * configuration disagree. |
| 387 | */ |
| 388 | if (sym->visible == no && !conf_unsaved) |
| 389 | sym->flags &= ~SYMBOL_DEF_USER; |
| 390 | switch (sym->type) { |
| 391 | case S_STRING: |
| 392 | case S_INT: |
| 393 | case S_HEX: |
| 394 | /* Reset a string value if it's out of range */ |
| 395 | if (sym_string_within_range(sym, sym->def[S_DEF_USER].val)) |
| 396 | break; |
| 397 | sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER); |
| 398 | conf_unsaved++; |
| 399 | break; |
| 400 | default: |
| 401 | break; |
| 402 | } |
| 403 | } |
| 404 | } |
| 405 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 406 | sym_add_change_count(conf_warnings || conf_unsaved); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | |
| 408 | return 0; |
| 409 | } |
| 410 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 411 | /* |
| 412 | * Kconfig configuration printer |
| 413 | * |
| 414 | * This printer is used when generating the resulting configuration after |
| 415 | * kconfig invocation and `defconfig' files. Unset symbol might be omitted by |
| 416 | * passing a non-NULL argument to the printer. |
| 417 | * |
| 418 | */ |
| 419 | static void |
| 420 | kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 421 | { |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 422 | |
Arnaud Lacombe | 0dce631 | 2010-12-05 01:33:16 -0500 | [diff] [blame] | 423 | switch (sym->type) { |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 424 | case S_BOOLEAN: |
| 425 | case S_TRISTATE: |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 426 | if (*value == 'n') { |
| 427 | bool skip_unset = (arg != NULL); |
| 428 | |
| 429 | if (!skip_unset) |
| 430 | fprintf(fp, "# %s%s is not set\n", |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 431 | CONFIG_, sym->name); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 432 | return; |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 433 | } |
| 434 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 435 | default: |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 436 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value); |
| 440 | } |
| 441 | |
| 442 | static void |
| 443 | kconfig_print_comment(FILE *fp, const char *value, void *arg) |
| 444 | { |
| 445 | const char *p = value; |
| 446 | size_t l; |
| 447 | |
| 448 | for (;;) { |
| 449 | l = strcspn(p, "\n"); |
| 450 | fprintf(fp, "#"); |
| 451 | if (l) { |
| 452 | fprintf(fp, " "); |
Peter Foley | 70cc01e | 2011-10-22 10:48:49 -0400 | [diff] [blame] | 453 | xfwrite(p, l, 1, fp); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 454 | p += l; |
| 455 | } |
| 456 | fprintf(fp, "\n"); |
| 457 | if (*p++ == '\0') |
| 458 | break; |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | static struct conf_printer kconfig_printer_cb = |
| 463 | { |
| 464 | .print_symbol = kconfig_print_symbol, |
| 465 | .print_comment = kconfig_print_comment, |
| 466 | }; |
| 467 | |
| 468 | /* |
| 469 | * Header printer |
| 470 | * |
| 471 | * This printer is used when generating the `include/generated/autoconf.h' file. |
| 472 | */ |
| 473 | static void |
| 474 | header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) |
| 475 | { |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 476 | |
| 477 | switch (sym->type) { |
| 478 | case S_BOOLEAN: |
Arnaud Lacombe | eb4cf5a | 2011-07-14 15:31:07 -0400 | [diff] [blame] | 479 | case S_TRISTATE: { |
| 480 | const char *suffix = ""; |
| 481 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 482 | switch (*value) { |
| 483 | case 'n': |
Michal Marek | 2a11c8e | 2011-07-20 17:38:57 +0200 | [diff] [blame] | 484 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 485 | case 'm': |
| 486 | suffix = "_MODULE"; |
Arnaud Lacombe | eb4cf5a | 2011-07-14 15:31:07 -0400 | [diff] [blame] | 487 | /* fall through */ |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 488 | default: |
Michal Marek | 2a11c8e | 2011-07-20 17:38:57 +0200 | [diff] [blame] | 489 | fprintf(fp, "#define %s%s%s 1\n", |
| 490 | CONFIG_, sym->name, suffix); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 491 | } |
Paul Gortmaker | a959613 | 2012-04-12 19:46:33 -0400 | [diff] [blame^] | 492 | /* |
| 493 | * Generate the __enabled_CONFIG_* and |
| 494 | * __enabled_CONFIG_*_MODULE macros for use by the |
| 495 | * IS_{ENABLED,BUILTIN,MODULE} macros. The _MODULE variant is |
| 496 | * generated even for booleans so that the IS_ENABLED() macro |
| 497 | * works. |
| 498 | */ |
| 499 | fprintf(fp, "#define __enabled_" CONFIG_ "%s %d\n", |
| 500 | sym->name, (*value == 'y')); |
| 501 | fprintf(fp, "#define __enabled_" CONFIG_ "%s_MODULE %d\n", |
| 502 | sym->name, (*value == 'm')); |
Arnaud Lacombe | eb4cf5a | 2011-07-14 15:31:07 -0400 | [diff] [blame] | 503 | break; |
| 504 | } |
| 505 | case S_HEX: { |
| 506 | const char *prefix = ""; |
| 507 | |
| 508 | if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X')) |
| 509 | prefix = "0x"; |
| 510 | fprintf(fp, "#define %s%s %s%s\n", |
| 511 | CONFIG_, sym->name, prefix, value); |
| 512 | break; |
| 513 | } |
| 514 | case S_STRING: |
| 515 | case S_INT: |
| 516 | fprintf(fp, "#define %s%s %s\n", |
| 517 | CONFIG_, sym->name, value); |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 518 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 519 | default: |
| 520 | break; |
| 521 | } |
| 522 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 523 | } |
| 524 | |
| 525 | static void |
| 526 | header_print_comment(FILE *fp, const char *value, void *arg) |
| 527 | { |
| 528 | const char *p = value; |
| 529 | size_t l; |
| 530 | |
| 531 | fprintf(fp, "/*\n"); |
| 532 | for (;;) { |
| 533 | l = strcspn(p, "\n"); |
| 534 | fprintf(fp, " *"); |
| 535 | if (l) { |
| 536 | fprintf(fp, " "); |
Peter Foley | 70cc01e | 2011-10-22 10:48:49 -0400 | [diff] [blame] | 537 | xfwrite(p, l, 1, fp); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 538 | p += l; |
| 539 | } |
| 540 | fprintf(fp, "\n"); |
| 541 | if (*p++ == '\0') |
| 542 | break; |
| 543 | } |
| 544 | fprintf(fp, " */\n"); |
| 545 | } |
| 546 | |
| 547 | static struct conf_printer header_printer_cb = |
| 548 | { |
| 549 | .print_symbol = header_print_symbol, |
| 550 | .print_comment = header_print_comment, |
| 551 | }; |
| 552 | |
| 553 | /* |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 554 | * Tristate printer |
| 555 | * |
| 556 | * This printer is used when generating the `include/config/tristate.conf' file. |
| 557 | */ |
| 558 | static void |
| 559 | tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) |
| 560 | { |
| 561 | |
| 562 | if (sym->type == S_TRISTATE && *value != 'n') |
| 563 | fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value)); |
| 564 | } |
| 565 | |
| 566 | static struct conf_printer tristate_printer_cb = |
| 567 | { |
| 568 | .print_symbol = tristate_print_symbol, |
| 569 | .print_comment = kconfig_print_comment, |
| 570 | }; |
| 571 | |
| 572 | static void conf_write_symbol(FILE *fp, struct symbol *sym, |
| 573 | struct conf_printer *printer, void *printer_arg) |
| 574 | { |
| 575 | const char *str; |
| 576 | |
| 577 | switch (sym->type) { |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 578 | case S_OTHER: |
| 579 | case S_UNKNOWN: |
| 580 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 581 | case S_STRING: |
| 582 | str = sym_get_string_value(sym); |
| 583 | str = sym_escape_string_value(str); |
| 584 | printer->print_symbol(fp, sym, str, printer_arg); |
| 585 | free((void *)str); |
| 586 | break; |
| 587 | default: |
| 588 | str = sym_get_string_value(sym); |
| 589 | printer->print_symbol(fp, sym, str, printer_arg); |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 590 | } |
| 591 | } |
| 592 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 593 | static void |
| 594 | conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg) |
| 595 | { |
| 596 | char buf[256]; |
| 597 | |
| 598 | snprintf(buf, sizeof(buf), |
| 599 | "\n" |
| 600 | "Automatically generated file; DO NOT EDIT.\n" |
| 601 | "%s\n", |
| 602 | rootmenu.prompt->text); |
| 603 | |
| 604 | printer->print_comment(fp, buf, printer_arg); |
| 605 | } |
| 606 | |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 607 | /* |
| 608 | * Write out a minimal config. |
| 609 | * All values that has default values are skipped as this is redundant. |
| 610 | */ |
| 611 | int conf_write_defconfig(const char *filename) |
| 612 | { |
| 613 | struct symbol *sym; |
| 614 | struct menu *menu; |
| 615 | FILE *out; |
| 616 | |
| 617 | out = fopen(filename, "w"); |
| 618 | if (!out) |
| 619 | return 1; |
| 620 | |
| 621 | sym_clear_all_valid(); |
| 622 | |
| 623 | /* Traverse all menus to find all relevant symbols */ |
| 624 | menu = rootmenu.list; |
| 625 | |
| 626 | while (menu != NULL) |
| 627 | { |
| 628 | sym = menu->sym; |
| 629 | if (sym == NULL) { |
| 630 | if (!menu_is_visible(menu)) |
| 631 | goto next_menu; |
| 632 | } else if (!sym_is_choice(sym)) { |
| 633 | sym_calc_value(sym); |
| 634 | if (!(sym->flags & SYMBOL_WRITE)) |
| 635 | goto next_menu; |
| 636 | sym->flags &= ~SYMBOL_WRITE; |
| 637 | /* If we cannot change the symbol - skip */ |
| 638 | if (!sym_is_changable(sym)) |
| 639 | goto next_menu; |
| 640 | /* If symbol equals to default value - skip */ |
| 641 | if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0) |
| 642 | goto next_menu; |
| 643 | |
| 644 | /* |
| 645 | * If symbol is a choice value and equals to the |
| 646 | * default for a choice - skip. |
Sam Ravnborg | 84062dd | 2010-08-14 23:22:16 +0200 | [diff] [blame] | 647 | * But only if value is bool and equal to "y" and |
| 648 | * choice is not "optional". |
| 649 | * (If choice is "optional" then all values can be "n") |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 650 | */ |
| 651 | if (sym_is_choice_value(sym)) { |
| 652 | struct symbol *cs; |
| 653 | struct symbol *ds; |
| 654 | |
| 655 | cs = prop_get_symbol(sym_get_choice_prop(sym)); |
| 656 | ds = sym_choice_default(cs); |
Sam Ravnborg | 84062dd | 2010-08-14 23:22:16 +0200 | [diff] [blame] | 657 | if (!sym_is_optional(cs) && sym == ds) { |
Sam Ravnborg | 801690c | 2010-08-12 09:11:51 +0200 | [diff] [blame] | 658 | if ((sym->type == S_BOOLEAN) && |
| 659 | sym_get_tristate_value(sym) == yes) |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 660 | goto next_menu; |
| 661 | } |
| 662 | } |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 663 | conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 664 | } |
| 665 | next_menu: |
| 666 | if (menu->list != NULL) { |
| 667 | menu = menu->list; |
| 668 | } |
| 669 | else if (menu->next != NULL) { |
| 670 | menu = menu->next; |
| 671 | } else { |
| 672 | while ((menu = menu->parent)) { |
| 673 | if (menu->next != NULL) { |
| 674 | menu = menu->next; |
| 675 | break; |
| 676 | } |
| 677 | } |
| 678 | } |
| 679 | } |
| 680 | fclose(out); |
| 681 | return 0; |
| 682 | } |
| 683 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | int conf_write(const char *name) |
| 685 | { |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 686 | FILE *out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | struct symbol *sym; |
| 688 | struct menu *menu; |
| 689 | const char *basename; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 690 | const char *str; |
Will Newton | 1408b15 | 2010-09-22 15:59:13 +0100 | [diff] [blame] | 691 | char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | char *env; |
| 693 | |
| 694 | dirname[0] = 0; |
| 695 | if (name && name[0]) { |
| 696 | struct stat st; |
| 697 | char *slash; |
| 698 | |
| 699 | if (!stat(name, &st) && S_ISDIR(st.st_mode)) { |
| 700 | strcpy(dirname, name); |
| 701 | strcat(dirname, "/"); |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 702 | basename = conf_get_configname(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 703 | } else if ((slash = strrchr(name, '/'))) { |
| 704 | int size = slash - name + 1; |
| 705 | memcpy(dirname, name, size); |
| 706 | dirname[size] = 0; |
| 707 | if (slash[1]) |
| 708 | basename = slash + 1; |
| 709 | else |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 710 | basename = conf_get_configname(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | } else |
| 712 | basename = name; |
| 713 | } else |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 714 | basename = conf_get_configname(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 716 | sprintf(newname, "%s%s", dirname, basename); |
| 717 | env = getenv("KCONFIG_OVERWRITECONFIG"); |
| 718 | if (!env || !*env) { |
| 719 | sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); |
| 720 | out = fopen(tmpname, "w"); |
| 721 | } else { |
| 722 | *tmpname = 0; |
| 723 | out = fopen(newname, "w"); |
| 724 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | if (!out) |
| 726 | return 1; |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 727 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 728 | conf_write_heading(out, &kconfig_printer_cb, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | |
Karsten Wiese | b321429 | 2006-12-13 00:34:06 -0800 | [diff] [blame] | 730 | if (!conf_get_changed()) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | sym_clear_all_valid(); |
| 732 | |
| 733 | menu = rootmenu.list; |
| 734 | while (menu) { |
| 735 | sym = menu->sym; |
| 736 | if (!sym) { |
| 737 | if (!menu_is_visible(menu)) |
| 738 | goto next; |
| 739 | str = menu_get_prompt(menu); |
| 740 | fprintf(out, "\n" |
| 741 | "#\n" |
| 742 | "# %s\n" |
| 743 | "#\n", str); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | } else if (!(sym->flags & SYMBOL_CHOICE)) { |
| 745 | sym_calc_value(sym); |
| 746 | if (!(sym->flags & SYMBOL_WRITE)) |
| 747 | goto next; |
| 748 | sym->flags &= ~SYMBOL_WRITE; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 749 | |
| 750 | conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | } |
| 752 | |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 753 | next: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | if (menu->list) { |
| 755 | menu = menu->list; |
| 756 | continue; |
| 757 | } |
| 758 | if (menu->next) |
| 759 | menu = menu->next; |
| 760 | else while ((menu = menu->parent)) { |
| 761 | if (menu->next) { |
| 762 | menu = menu->next; |
| 763 | break; |
| 764 | } |
| 765 | } |
| 766 | } |
| 767 | fclose(out); |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 768 | |
| 769 | if (*tmpname) { |
Sam Ravnborg | 9a3d0fe | 2006-10-01 11:48:53 +0200 | [diff] [blame] | 770 | strcat(dirname, basename); |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 771 | strcat(dirname, ".old"); |
| 772 | rename(newname, dirname); |
| 773 | if (rename(tmpname, newname)) |
| 774 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 776 | |
Michal Marek | 42368c3 | 2010-08-17 10:21:19 +0200 | [diff] [blame] | 777 | conf_message(_("configuration written to %s"), newname); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 778 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 779 | sym_set_change_count(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | |
| 781 | return 0; |
| 782 | } |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 783 | |
Trevor Keith | 4356f48 | 2009-09-18 12:49:23 -0700 | [diff] [blame] | 784 | static int conf_split_config(void) |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 785 | { |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 786 | const char *name; |
Will Newton | 1408b15 | 2010-09-22 15:59:13 +0100 | [diff] [blame] | 787 | char path[PATH_MAX+1]; |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 788 | char *s, *d, c; |
| 789 | struct symbol *sym; |
| 790 | struct stat sb; |
| 791 | int res, i, fd; |
| 792 | |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 793 | name = conf_get_autoconfig_name(); |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 794 | conf_read_simple(name, S_DEF_AUTO); |
| 795 | |
| 796 | if (chdir("include/config")) |
| 797 | return 1; |
| 798 | |
| 799 | res = 0; |
| 800 | for_all_symbols(i, sym) { |
| 801 | sym_calc_value(sym); |
| 802 | if ((sym->flags & SYMBOL_AUTO) || !sym->name) |
| 803 | continue; |
| 804 | if (sym->flags & SYMBOL_WRITE) { |
| 805 | if (sym->flags & SYMBOL_DEF_AUTO) { |
| 806 | /* |
| 807 | * symbol has old and new value, |
| 808 | * so compare them... |
| 809 | */ |
| 810 | switch (sym->type) { |
| 811 | case S_BOOLEAN: |
| 812 | case S_TRISTATE: |
| 813 | if (sym_get_tristate_value(sym) == |
| 814 | sym->def[S_DEF_AUTO].tri) |
| 815 | continue; |
| 816 | break; |
| 817 | case S_STRING: |
| 818 | case S_HEX: |
| 819 | case S_INT: |
| 820 | if (!strcmp(sym_get_string_value(sym), |
| 821 | sym->def[S_DEF_AUTO].val)) |
| 822 | continue; |
| 823 | break; |
| 824 | default: |
| 825 | break; |
| 826 | } |
| 827 | } else { |
| 828 | /* |
| 829 | * If there is no old value, only 'no' (unset) |
| 830 | * is allowed as new value. |
| 831 | */ |
| 832 | switch (sym->type) { |
| 833 | case S_BOOLEAN: |
| 834 | case S_TRISTATE: |
| 835 | if (sym_get_tristate_value(sym) == no) |
| 836 | continue; |
| 837 | break; |
| 838 | default: |
| 839 | break; |
| 840 | } |
| 841 | } |
| 842 | } else if (!(sym->flags & SYMBOL_DEF_AUTO)) |
| 843 | /* There is neither an old nor a new value. */ |
| 844 | continue; |
| 845 | /* else |
| 846 | * There is an old value, but no new value ('no' (unset) |
| 847 | * isn't saved in auto.conf, so the old value is always |
| 848 | * different from 'no'). |
| 849 | */ |
| 850 | |
| 851 | /* Replace all '_' and append ".h" */ |
| 852 | s = sym->name; |
| 853 | d = path; |
| 854 | while ((c = *s++)) { |
| 855 | c = tolower(c); |
| 856 | *d++ = (c == '_') ? '/' : c; |
| 857 | } |
| 858 | strcpy(d, ".h"); |
| 859 | |
| 860 | /* Assume directory path already exists. */ |
| 861 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 862 | if (fd == -1) { |
| 863 | if (errno != ENOENT) { |
| 864 | res = 1; |
| 865 | break; |
| 866 | } |
| 867 | /* |
| 868 | * Create directory components, |
| 869 | * unless they exist already. |
| 870 | */ |
| 871 | d = path; |
| 872 | while ((d = strchr(d, '/'))) { |
| 873 | *d = 0; |
| 874 | if (stat(path, &sb) && mkdir(path, 0755)) { |
| 875 | res = 1; |
| 876 | goto out; |
| 877 | } |
| 878 | *d++ = '/'; |
| 879 | } |
| 880 | /* Try it again. */ |
| 881 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 882 | if (fd == -1) { |
| 883 | res = 1; |
| 884 | break; |
| 885 | } |
| 886 | } |
| 887 | close(fd); |
| 888 | } |
| 889 | out: |
| 890 | if (chdir("../..")) |
| 891 | return 1; |
| 892 | |
| 893 | return res; |
| 894 | } |
| 895 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 896 | int conf_write_autoconf(void) |
| 897 | { |
| 898 | struct symbol *sym; |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 899 | const char *name; |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 900 | FILE *out, *tristate, *out_h; |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 901 | int i; |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 902 | |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 903 | sym_clear_all_valid(); |
| 904 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 905 | file_write_dep("include/config/auto.conf.cmd"); |
| 906 | |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 907 | if (conf_split_config()) |
| 908 | return 1; |
| 909 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 910 | out = fopen(".tmpconfig", "w"); |
| 911 | if (!out) |
| 912 | return 1; |
| 913 | |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 914 | tristate = fopen(".tmpconfig_tristate", "w"); |
| 915 | if (!tristate) { |
| 916 | fclose(out); |
| 917 | return 1; |
| 918 | } |
| 919 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 920 | out_h = fopen(".tmpconfig.h", "w"); |
| 921 | if (!out_h) { |
| 922 | fclose(out); |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 923 | fclose(tristate); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 924 | return 1; |
| 925 | } |
| 926 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 927 | conf_write_heading(out, &kconfig_printer_cb, NULL); |
| 928 | |
| 929 | conf_write_heading(tristate, &tristate_printer_cb, NULL); |
| 930 | |
| 931 | conf_write_heading(out_h, &header_printer_cb, NULL); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 932 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 933 | for_all_symbols(i, sym) { |
Arnaud Lacombe | 953742c | 2011-08-16 01:20:20 -0400 | [diff] [blame] | 934 | sym_calc_value(sym); |
Paul Gortmaker | a959613 | 2012-04-12 19:46:33 -0400 | [diff] [blame^] | 935 | if (!(sym->flags & SYMBOL_WRITE) || !sym->name) |
Arnaud Lacombe | 953742c | 2011-08-16 01:20:20 -0400 | [diff] [blame] | 936 | continue; |
| 937 | |
Paul Gortmaker | a959613 | 2012-04-12 19:46:33 -0400 | [diff] [blame^] | 938 | /* write symbol to auto.conf, tristate and header files */ |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 939 | conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1); |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 940 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 941 | conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1); |
| 942 | |
| 943 | conf_write_symbol(out_h, sym, &header_printer_cb, NULL); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 944 | } |
| 945 | fclose(out); |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 946 | fclose(tristate); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 947 | fclose(out_h); |
| 948 | |
| 949 | name = getenv("KCONFIG_AUTOHEADER"); |
| 950 | if (!name) |
Sam Ravnborg | 264a268 | 2009-10-18 00:49:24 +0200 | [diff] [blame] | 951 | name = "include/generated/autoconf.h"; |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 952 | if (rename(".tmpconfig.h", name)) |
| 953 | return 1; |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 954 | name = getenv("KCONFIG_TRISTATE"); |
| 955 | if (!name) |
| 956 | name = "include/config/tristate.conf"; |
| 957 | if (rename(".tmpconfig_tristate", name)) |
| 958 | return 1; |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 959 | name = conf_get_autoconfig_name(); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 960 | /* |
| 961 | * This must be the last step, kbuild has a dependency on auto.conf |
| 962 | * and this marks the successful completion of the previous steps. |
| 963 | */ |
| 964 | if (rename(".tmpconfig", name)) |
| 965 | return 1; |
| 966 | |
| 967 | return 0; |
| 968 | } |
Karsten Wiese | b321429 | 2006-12-13 00:34:06 -0800 | [diff] [blame] | 969 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 970 | static int sym_change_count; |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 971 | static void (*conf_changed_callback)(void); |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 972 | |
| 973 | void sym_set_change_count(int count) |
| 974 | { |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 975 | int _sym_change_count = sym_change_count; |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 976 | sym_change_count = count; |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 977 | if (conf_changed_callback && |
| 978 | (bool)_sym_change_count != (bool)count) |
| 979 | conf_changed_callback(); |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 980 | } |
| 981 | |
| 982 | void sym_add_change_count(int count) |
| 983 | { |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 984 | sym_set_change_count(count + sym_change_count); |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 985 | } |
| 986 | |
Karsten Wiese | b321429 | 2006-12-13 00:34:06 -0800 | [diff] [blame] | 987 | bool conf_get_changed(void) |
| 988 | { |
| 989 | return sym_change_count; |
| 990 | } |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 991 | |
| 992 | void conf_set_changed_callback(void (*fn)(void)) |
| 993 | { |
| 994 | conf_changed_callback = fn; |
| 995 | } |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 996 | |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 997 | static void randomize_choice_values(struct symbol *csym) |
| 998 | { |
| 999 | struct property *prop; |
| 1000 | struct symbol *sym; |
| 1001 | struct expr *e; |
| 1002 | int cnt, def; |
| 1003 | |
| 1004 | /* |
Arnaud Lacombe | 579fb8e | 2010-12-05 01:41:16 -0500 | [diff] [blame] | 1005 | * If choice is mod then we may have more items selected |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1006 | * and if no then no-one. |
| 1007 | * In both cases stop. |
| 1008 | */ |
| 1009 | if (csym->curr.tri != yes) |
| 1010 | return; |
| 1011 | |
| 1012 | prop = sym_get_choice_prop(csym); |
| 1013 | |
| 1014 | /* count entries in choice block */ |
| 1015 | cnt = 0; |
| 1016 | expr_list_for_each_sym(prop->expr, e, sym) |
| 1017 | cnt++; |
| 1018 | |
| 1019 | /* |
| 1020 | * find a random value and set it to yes, |
| 1021 | * set the rest to no so we have only one set |
| 1022 | */ |
| 1023 | def = (rand() % cnt); |
| 1024 | |
| 1025 | cnt = 0; |
| 1026 | expr_list_for_each_sym(prop->expr, e, sym) { |
| 1027 | if (def == cnt++) { |
| 1028 | sym->def[S_DEF_USER].tri = yes; |
| 1029 | csym->def[S_DEF_USER].val = sym; |
| 1030 | } |
| 1031 | else { |
| 1032 | sym->def[S_DEF_USER].tri = no; |
| 1033 | } |
| 1034 | } |
| 1035 | csym->flags |= SYMBOL_DEF_USER; |
| 1036 | /* clear VALID to get value calculated */ |
| 1037 | csym->flags &= ~(SYMBOL_VALID); |
| 1038 | } |
| 1039 | |
| 1040 | static void set_all_choice_values(struct symbol *csym) |
| 1041 | { |
| 1042 | struct property *prop; |
| 1043 | struct symbol *sym; |
| 1044 | struct expr *e; |
| 1045 | |
| 1046 | prop = sym_get_choice_prop(csym); |
| 1047 | |
| 1048 | /* |
| 1049 | * Set all non-assinged choice values to no |
| 1050 | */ |
| 1051 | expr_list_for_each_sym(prop->expr, e, sym) { |
| 1052 | if (!sym_has_value(sym)) |
| 1053 | sym->def[S_DEF_USER].tri = no; |
| 1054 | } |
| 1055 | csym->flags |= SYMBOL_DEF_USER; |
| 1056 | /* clear VALID to get value calculated */ |
| 1057 | csym->flags &= ~(SYMBOL_VALID); |
| 1058 | } |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1059 | |
| 1060 | void conf_set_all_new_symbols(enum conf_def_mode mode) |
| 1061 | { |
| 1062 | struct symbol *sym, *csym; |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1063 | int i, cnt; |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1064 | |
| 1065 | for_all_symbols(i, sym) { |
| 1066 | if (sym_has_value(sym)) |
| 1067 | continue; |
| 1068 | switch (sym_get_type(sym)) { |
| 1069 | case S_BOOLEAN: |
| 1070 | case S_TRISTATE: |
| 1071 | switch (mode) { |
| 1072 | case def_yes: |
| 1073 | sym->def[S_DEF_USER].tri = yes; |
| 1074 | break; |
| 1075 | case def_mod: |
| 1076 | sym->def[S_DEF_USER].tri = mod; |
| 1077 | break; |
| 1078 | case def_no: |
| 1079 | sym->def[S_DEF_USER].tri = no; |
| 1080 | break; |
| 1081 | case def_random: |
Peter Korsgaard | 1244b41 | 2010-07-22 14:24:57 +0200 | [diff] [blame] | 1082 | cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2; |
| 1083 | sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt); |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1084 | break; |
| 1085 | default: |
| 1086 | continue; |
| 1087 | } |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1088 | if (!(sym_is_choice(sym) && mode == def_random)) |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1089 | sym->flags |= SYMBOL_DEF_USER; |
| 1090 | break; |
| 1091 | default: |
| 1092 | break; |
| 1093 | } |
| 1094 | |
| 1095 | } |
| 1096 | |
Al Viro | ce97e13 | 2008-10-26 05:12:34 +0000 | [diff] [blame] | 1097 | sym_clear_all_valid(); |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1098 | |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1099 | /* |
| 1100 | * We have different type of choice blocks. |
Arnaud Lacombe | 579fb8e | 2010-12-05 01:41:16 -0500 | [diff] [blame] | 1101 | * If curr.tri equals to mod then we can select several |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1102 | * choice symbols in one block. |
| 1103 | * In this case we do nothing. |
Arnaud Lacombe | 579fb8e | 2010-12-05 01:41:16 -0500 | [diff] [blame] | 1104 | * If curr.tri equals yes then only one symbol can be |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1105 | * selected in a choice block and we set it to yes, |
| 1106 | * and the rest to no. |
| 1107 | */ |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1108 | for_all_symbols(i, csym) { |
| 1109 | if (sym_has_value(csym) || !sym_is_choice(csym)) |
| 1110 | continue; |
| 1111 | |
| 1112 | sym_calc_value(csym); |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1113 | if (mode == def_random) |
| 1114 | randomize_choice_values(csym); |
| 1115 | else |
| 1116 | set_all_choice_values(csym); |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1117 | } |
| 1118 | } |