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); |
Colin Ian King | b6a2ab2 | 2015-01-12 13:18:26 +0000 | [diff] [blame^] | 62 | va_end(ap); |
Michal Marek | 42368c3 | 2010-08-17 10:21:19 +0200 | [diff] [blame] | 63 | } |
| 64 | |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 65 | const char *conf_get_configname(void) |
| 66 | { |
| 67 | char *name = getenv("KCONFIG_CONFIG"); |
| 68 | |
| 69 | return name ? name : ".config"; |
| 70 | } |
| 71 | |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 72 | const char *conf_get_autoconfig_name(void) |
| 73 | { |
| 74 | char *name = getenv("KCONFIG_AUTOCONFIG"); |
| 75 | |
| 76 | return name ? name : "include/config/auto.conf"; |
| 77 | } |
| 78 | |
J.A. Magallon | 48b9d03 | 2005-06-25 14:59:22 -0700 | [diff] [blame] | 79 | static char *conf_expand_value(const char *in) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | { |
| 81 | struct symbol *sym; |
J.A. Magallon | 48b9d03 | 2005-06-25 14:59:22 -0700 | [diff] [blame] | 82 | const char *src; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | static char res_value[SYMBOL_MAXLENGTH]; |
| 84 | char *dst, name[SYMBOL_MAXLENGTH]; |
| 85 | |
| 86 | res_value[0] = 0; |
| 87 | dst = name; |
| 88 | while ((src = strchr(in, '$'))) { |
| 89 | strncat(res_value, in, src - in); |
| 90 | src++; |
| 91 | dst = name; |
| 92 | while (isalnum(*src) || *src == '_') |
| 93 | *dst++ = *src++; |
| 94 | *dst = 0; |
| 95 | sym = sym_lookup(name, 0); |
| 96 | sym_calc_value(sym); |
| 97 | strcat(res_value, sym_get_string_value(sym)); |
| 98 | in = src; |
| 99 | } |
| 100 | strcat(res_value, in); |
| 101 | |
| 102 | return res_value; |
| 103 | } |
| 104 | |
| 105 | char *conf_get_default_confname(void) |
| 106 | { |
| 107 | struct stat buf; |
| 108 | static char fullname[PATH_MAX+1]; |
| 109 | char *env, *name; |
| 110 | |
| 111 | name = conf_expand_value(conf_defname); |
| 112 | env = getenv(SRCTREE); |
| 113 | if (env) { |
| 114 | sprintf(fullname, "%s/%s", env, name); |
| 115 | if (!stat(fullname, &buf)) |
| 116 | return fullname; |
| 117 | } |
| 118 | return name; |
| 119 | } |
| 120 | |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 121 | static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) |
| 122 | { |
| 123 | char *p2; |
| 124 | |
| 125 | switch (sym->type) { |
| 126 | case S_TRISTATE: |
| 127 | if (p[0] == 'm') { |
| 128 | sym->def[def].tri = mod; |
| 129 | sym->flags |= def_flags; |
| 130 | break; |
| 131 | } |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 132 | /* fall through */ |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 133 | case S_BOOLEAN: |
| 134 | if (p[0] == 'y') { |
| 135 | sym->def[def].tri = yes; |
| 136 | sym->flags |= def_flags; |
| 137 | break; |
| 138 | } |
| 139 | if (p[0] == 'n') { |
| 140 | sym->def[def].tri = no; |
| 141 | sym->flags |= def_flags; |
| 142 | break; |
| 143 | } |
Yann E. MORIN | 04b19b7 | 2013-08-06 18:45:07 +0200 | [diff] [blame] | 144 | if (def != S_DEF_AUTO) |
| 145 | conf_warning("symbol value '%s' invalid for %s", |
| 146 | p, sym->name); |
Arnaud Lacombe | 75f1468 | 2011-05-31 12:31:57 -0400 | [diff] [blame] | 147 | return 1; |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 148 | case S_OTHER: |
| 149 | if (*p != '"') { |
| 150 | for (p2 = p; *p2 && !isspace(*p2); p2++) |
| 151 | ; |
| 152 | sym->type = S_STRING; |
| 153 | goto done; |
| 154 | } |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 155 | /* fall through */ |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 156 | case S_STRING: |
| 157 | if (*p++ != '"') |
| 158 | break; |
| 159 | for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { |
| 160 | if (*p2 == '"') { |
| 161 | *p2 = 0; |
| 162 | break; |
| 163 | } |
| 164 | memmove(p2, p2 + 1, strlen(p2)); |
| 165 | } |
| 166 | if (!p2) { |
Yann E. MORIN | 04b19b7 | 2013-08-06 18:45:07 +0200 | [diff] [blame] | 167 | if (def != S_DEF_AUTO) |
| 168 | conf_warning("invalid string found"); |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 169 | return 1; |
| 170 | } |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 171 | /* fall through */ |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 172 | case S_INT: |
| 173 | case S_HEX: |
| 174 | done: |
| 175 | if (sym_string_valid(sym, p)) { |
| 176 | sym->def[def].val = strdup(p); |
| 177 | sym->flags |= def_flags; |
| 178 | } else { |
Yann E. MORIN | 04b19b7 | 2013-08-06 18:45:07 +0200 | [diff] [blame] | 179 | if (def != S_DEF_AUTO) |
| 180 | conf_warning("symbol value '%s' invalid for %s", |
| 181 | p, sym->name); |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 182 | return 1; |
| 183 | } |
| 184 | break; |
| 185 | default: |
| 186 | ; |
| 187 | } |
| 188 | return 0; |
| 189 | } |
| 190 | |
Cody Schafer | 1a7a8c6 | 2012-07-13 11:27:12 -0700 | [diff] [blame] | 191 | #define LINE_GROWTH 16 |
| 192 | static int add_byte(int c, char **lineptr, size_t slen, size_t *n) |
| 193 | { |
| 194 | char *nline; |
| 195 | size_t new_size = slen + 1; |
| 196 | if (new_size > *n) { |
| 197 | new_size += LINE_GROWTH - 1; |
| 198 | new_size *= 2; |
| 199 | nline = realloc(*lineptr, new_size); |
| 200 | if (!nline) |
| 201 | return -1; |
| 202 | |
| 203 | *lineptr = nline; |
| 204 | *n = new_size; |
| 205 | } |
| 206 | |
| 207 | (*lineptr)[slen] = c; |
| 208 | |
| 209 | return 0; |
| 210 | } |
| 211 | |
| 212 | static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream) |
| 213 | { |
| 214 | char *line = *lineptr; |
| 215 | size_t slen = 0; |
| 216 | |
| 217 | for (;;) { |
| 218 | int c = getc(stream); |
| 219 | |
| 220 | switch (c) { |
| 221 | case '\n': |
| 222 | if (add_byte(c, &line, slen, n) < 0) |
| 223 | goto e_out; |
| 224 | slen++; |
| 225 | /* fall through */ |
| 226 | case EOF: |
| 227 | if (add_byte('\0', &line, slen, n) < 0) |
| 228 | goto e_out; |
| 229 | *lineptr = line; |
| 230 | if (slen == 0) |
| 231 | return -1; |
| 232 | return slen; |
| 233 | default: |
| 234 | if (add_byte(c, &line, slen, n) < 0) |
| 235 | goto e_out; |
| 236 | slen++; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | e_out: |
| 241 | line[slen-1] = '\0'; |
| 242 | *lineptr = line; |
| 243 | return -1; |
| 244 | } |
| 245 | |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 246 | int conf_read_simple(const char *name, int def) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | { |
| 248 | FILE *in = NULL; |
Cody Schafer | 1a7a8c6 | 2012-07-13 11:27:12 -0700 | [diff] [blame] | 249 | char *line = NULL; |
| 250 | size_t line_asize = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | char *p, *p2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | struct symbol *sym; |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 253 | int i, def_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | |
| 255 | if (name) { |
| 256 | in = zconf_fopen(name); |
| 257 | } else { |
Roman Zippel | face437 | 2006-06-08 22:12:45 -0700 | [diff] [blame] | 258 | struct property *prop; |
| 259 | |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 260 | name = conf_get_configname(); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 261 | in = zconf_fopen(name); |
| 262 | if (in) |
| 263 | goto load; |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 264 | sym_add_change_count(1); |
Ulf Magnusson | ac1ffde | 2010-07-27 21:57:43 +0200 | [diff] [blame] | 265 | if (!sym_defconfig_list) { |
| 266 | if (modules_sym) |
| 267 | sym_calc_value(modules_sym); |
Roman Zippel | face437 | 2006-06-08 22:12:45 -0700 | [diff] [blame] | 268 | return 1; |
Ulf Magnusson | ac1ffde | 2010-07-27 21:57:43 +0200 | [diff] [blame] | 269 | } |
Roman Zippel | face437 | 2006-06-08 22:12:45 -0700 | [diff] [blame] | 270 | |
| 271 | for_all_defaults(sym_defconfig_list, prop) { |
| 272 | if (expr_calc_value(prop->visible.expr) == no || |
| 273 | prop->expr->type != E_SYMBOL) |
| 274 | continue; |
| 275 | name = conf_expand_value(prop->expr->left.sym->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | in = zconf_fopen(name); |
| 277 | if (in) { |
Michal Marek | 42368c3 | 2010-08-17 10:21:19 +0200 | [diff] [blame] | 278 | conf_message(_("using defaults found in %s"), |
| 279 | name); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 280 | goto load; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | } |
| 282 | } |
| 283 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | if (!in) |
| 285 | return 1; |
| 286 | |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 287 | load: |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 288 | conf_filename = name; |
| 289 | conf_lineno = 0; |
| 290 | conf_warnings = 0; |
| 291 | conf_unsaved = 0; |
| 292 | |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 293 | def_flags = SYMBOL_DEF << def; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | for_all_symbols(i, sym) { |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 295 | sym->flags |= SYMBOL_CHANGED; |
| 296 | sym->flags &= ~(def_flags|SYMBOL_VALID); |
Yann E. MORIN | 490f161 | 2013-06-25 23:37:44 +0200 | [diff] [blame] | 297 | if (sym_is_choice(sym)) |
| 298 | sym->flags |= def_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | switch (sym->type) { |
| 300 | case S_INT: |
| 301 | case S_HEX: |
| 302 | case S_STRING: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 303 | if (sym->def[def].val) |
| 304 | free(sym->def[def].val); |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 305 | /* fall through */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | default: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 307 | sym->def[def].val = NULL; |
| 308 | sym->def[def].tri = no; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | } |
| 310 | } |
| 311 | |
Cody Schafer | 1a7a8c6 | 2012-07-13 11:27:12 -0700 | [diff] [blame] | 312 | while (compat_getline(&line, &line_asize, in) != -1) { |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 313 | conf_lineno++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | sym = NULL; |
Arnaud Lacombe | 8baefd3 | 2010-08-24 00:14:47 -0400 | [diff] [blame] | 315 | if (line[0] == '#') { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 316 | if (memcmp(line + 2, CONFIG_, strlen(CONFIG_))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | continue; |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 318 | p = strchr(line + 2 + strlen(CONFIG_), ' '); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | if (!p) |
| 320 | continue; |
| 321 | *p++ = 0; |
| 322 | if (strncmp(p, "is not set", 10)) |
| 323 | continue; |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 324 | if (def == S_DEF_USER) { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 325 | sym = sym_find(line + 2 + strlen(CONFIG_)); |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 326 | if (!sym) { |
| 327 | sym_add_change_count(1); |
Naohiro Aota | 8bea754 | 2010-10-01 04:23:17 +0900 | [diff] [blame] | 328 | goto setsym; |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 329 | } |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 330 | } else { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 331 | sym = sym_lookup(line + 2 + strlen(CONFIG_), 0); |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 332 | if (sym->type == S_UNKNOWN) |
| 333 | sym->type = S_BOOLEAN; |
| 334 | } |
| 335 | if (sym->flags & def_flags) { |
Jan Engelhardt | d84876f | 2008-01-03 23:33:44 +0100 | [diff] [blame] | 336 | conf_warning("override: reassigning to symbol %s", sym->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | } |
| 338 | switch (sym->type) { |
| 339 | case S_BOOLEAN: |
| 340 | case S_TRISTATE: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 341 | sym->def[def].tri = no; |
| 342 | sym->flags |= def_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | break; |
| 344 | default: |
| 345 | ; |
| 346 | } |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 347 | } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) { |
| 348 | p = strchr(line + strlen(CONFIG_), '='); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | if (!p) |
| 350 | continue; |
| 351 | *p++ = 0; |
| 352 | p2 = strchr(p, '\n'); |
Matthew Wilcox | d3660a8 | 2006-07-13 12:54:07 -0600 | [diff] [blame] | 353 | if (p2) { |
| 354 | *p2-- = 0; |
| 355 | if (*p2 == '\r') |
| 356 | *p2 = 0; |
| 357 | } |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 358 | if (def == S_DEF_USER) { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 359 | sym = sym_find(line + strlen(CONFIG_)); |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 360 | if (!sym) { |
| 361 | sym_add_change_count(1); |
Naohiro Aota | 8bea754 | 2010-10-01 04:23:17 +0900 | [diff] [blame] | 362 | goto setsym; |
zippel@linux-m68k.org | 661b068 | 2008-09-29 05:27:11 +0200 | [diff] [blame] | 363 | } |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 364 | } else { |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 365 | sym = sym_lookup(line + strlen(CONFIG_), 0); |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 366 | if (sym->type == S_UNKNOWN) |
| 367 | sym->type = S_OTHER; |
| 368 | } |
| 369 | if (sym->flags & def_flags) { |
Jan Engelhardt | d84876f | 2008-01-03 23:33:44 +0100 | [diff] [blame] | 370 | conf_warning("override: reassigning to symbol %s", sym->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | } |
Sam Ravnborg | 9c900a9 | 2007-11-10 20:01:56 +0100 | [diff] [blame] | 372 | if (conf_set_sym_val(sym, def, def_flags, p)) |
| 373 | continue; |
Arnaud Lacombe | 8baefd3 | 2010-08-24 00:14:47 -0400 | [diff] [blame] | 374 | } else { |
| 375 | if (line[0] != '\r' && line[0] != '\n') |
| 376 | conf_warning("unexpected data"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | continue; |
| 378 | } |
Naohiro Aota | 8bea754 | 2010-10-01 04:23:17 +0900 | [diff] [blame] | 379 | setsym: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | if (sym && sym_is_choice_value(sym)) { |
| 381 | struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 382 | switch (sym->def[def].tri) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | case no: |
| 384 | break; |
| 385 | case mod: |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 386 | if (cs->def[def].tri == yes) { |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 387 | conf_warning("%s creates inconsistent choice state", sym->name); |
Yann E. MORIN | 490f161 | 2013-06-25 23:37:44 +0200 | [diff] [blame] | 388 | cs->flags &= ~def_flags; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 389 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | break; |
| 391 | case yes: |
Jan Engelhardt | d84876f | 2008-01-03 23:33:44 +0100 | [diff] [blame] | 392 | if (cs->def[def].tri != no) |
| 393 | conf_warning("override: %s changes choice state", sym->name); |
| 394 | cs->def[def].val = sym; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | break; |
| 396 | } |
Sam Ravnborg | d6ee357 | 2008-01-07 21:09:55 +0100 | [diff] [blame] | 397 | 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] | 398 | } |
| 399 | } |
Cody Schafer | 1a7a8c6 | 2012-07-13 11:27:12 -0700 | [diff] [blame] | 400 | free(line); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | fclose(in); |
| 402 | |
| 403 | if (modules_sym) |
| 404 | sym_calc_value(modules_sym); |
Roman Zippel | 9038916 | 2005-11-08 21:34:49 -0800 | [diff] [blame] | 405 | return 0; |
| 406 | } |
| 407 | |
| 408 | int conf_read(const char *name) |
| 409 | { |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 410 | struct symbol *sym; |
| 411 | int i; |
Roman Zippel | 9038916 | 2005-11-08 21:34:49 -0800 | [diff] [blame] | 412 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 413 | sym_set_change_count(0); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 414 | |
Roman Zippel | 669bfad | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 415 | if (conf_read_simple(name, S_DEF_USER)) |
Roman Zippel | 9038916 | 2005-11-08 21:34:49 -0800 | [diff] [blame] | 416 | return 1; |
| 417 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | for_all_symbols(i, sym) { |
| 419 | sym_calc_value(sym); |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 420 | if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO)) |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 421 | continue; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 422 | if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) { |
| 423 | /* check that calculated value agrees with saved value */ |
| 424 | switch (sym->type) { |
| 425 | case S_BOOLEAN: |
| 426 | case S_TRISTATE: |
Roman Zippel | 0c1822e | 2006-06-08 22:12:41 -0700 | [diff] [blame] | 427 | if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym)) |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 428 | break; |
| 429 | if (!sym_is_choice(sym)) |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 430 | continue; |
Arnaud Lacombe | d8fc320 | 2011-05-31 12:30:26 -0400 | [diff] [blame] | 431 | /* fall through */ |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 432 | default: |
Roman Zippel | 0c1822e | 2006-06-08 22:12:41 -0700 | [diff] [blame] | 433 | if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val)) |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 434 | continue; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 435 | break; |
| 436 | } |
| 437 | } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE)) |
| 438 | /* no previous value and not saved */ |
Arnaud Lacombe | 5d09598 | 2012-01-23 17:29:05 -0500 | [diff] [blame] | 439 | continue; |
Roman Zippel | c1a0f5e | 2005-11-08 21:34:54 -0800 | [diff] [blame] | 440 | conf_unsaved++; |
| 441 | /* maybe print value in verbose mode... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | } |
| 443 | |
Roman Zippel | d8982ba | 2007-07-09 11:43:58 -0700 | [diff] [blame] | 444 | for_all_symbols(i, sym) { |
| 445 | if (sym_has_value(sym) && !sym_is_choice_value(sym)) { |
| 446 | /* Reset values of generates values, so they'll appear |
| 447 | * as new, if they should become visible, but that |
| 448 | * doesn't quite work if the Kconfig and the saved |
| 449 | * configuration disagree. |
| 450 | */ |
| 451 | if (sym->visible == no && !conf_unsaved) |
| 452 | sym->flags &= ~SYMBOL_DEF_USER; |
| 453 | switch (sym->type) { |
| 454 | case S_STRING: |
| 455 | case S_INT: |
| 456 | case S_HEX: |
| 457 | /* Reset a string value if it's out of range */ |
| 458 | if (sym_string_within_range(sym, sym->def[S_DEF_USER].val)) |
| 459 | break; |
| 460 | sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER); |
| 461 | conf_unsaved++; |
| 462 | break; |
| 463 | default: |
| 464 | break; |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 469 | sym_add_change_count(conf_warnings || conf_unsaved); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | |
| 471 | return 0; |
| 472 | } |
| 473 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 474 | /* |
| 475 | * Kconfig configuration printer |
| 476 | * |
| 477 | * This printer is used when generating the resulting configuration after |
| 478 | * kconfig invocation and `defconfig' files. Unset symbol might be omitted by |
| 479 | * passing a non-NULL argument to the printer. |
| 480 | * |
| 481 | */ |
| 482 | static void |
| 483 | 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] | 484 | { |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 485 | |
Arnaud Lacombe | 0dce631 | 2010-12-05 01:33:16 -0500 | [diff] [blame] | 486 | switch (sym->type) { |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 487 | case S_BOOLEAN: |
| 488 | case S_TRISTATE: |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 489 | if (*value == 'n') { |
| 490 | bool skip_unset = (arg != NULL); |
| 491 | |
| 492 | if (!skip_unset) |
| 493 | fprintf(fp, "# %s%s is not set\n", |
Arnaud Lacombe | ffb5957 | 2010-08-14 23:57:43 -0400 | [diff] [blame] | 494 | CONFIG_, sym->name); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 495 | return; |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 496 | } |
| 497 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 498 | default: |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 499 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value); |
| 503 | } |
| 504 | |
| 505 | static void |
| 506 | kconfig_print_comment(FILE *fp, const char *value, void *arg) |
| 507 | { |
| 508 | const char *p = value; |
| 509 | size_t l; |
| 510 | |
| 511 | for (;;) { |
| 512 | l = strcspn(p, "\n"); |
| 513 | fprintf(fp, "#"); |
| 514 | if (l) { |
| 515 | fprintf(fp, " "); |
Peter Foley | 70cc01e | 2011-10-22 10:48:49 -0400 | [diff] [blame] | 516 | xfwrite(p, l, 1, fp); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 517 | p += l; |
| 518 | } |
| 519 | fprintf(fp, "\n"); |
| 520 | if (*p++ == '\0') |
| 521 | break; |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | static struct conf_printer kconfig_printer_cb = |
| 526 | { |
| 527 | .print_symbol = kconfig_print_symbol, |
| 528 | .print_comment = kconfig_print_comment, |
| 529 | }; |
| 530 | |
| 531 | /* |
| 532 | * Header printer |
| 533 | * |
| 534 | * This printer is used when generating the `include/generated/autoconf.h' file. |
| 535 | */ |
| 536 | static void |
| 537 | header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) |
| 538 | { |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 539 | |
| 540 | switch (sym->type) { |
| 541 | case S_BOOLEAN: |
Arnaud Lacombe | eb4cf5a | 2011-07-14 15:31:07 -0400 | [diff] [blame] | 542 | case S_TRISTATE: { |
| 543 | const char *suffix = ""; |
| 544 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 545 | switch (*value) { |
| 546 | case 'n': |
Michal Marek | 2a11c8e | 2011-07-20 17:38:57 +0200 | [diff] [blame] | 547 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 548 | case 'm': |
| 549 | suffix = "_MODULE"; |
Arnaud Lacombe | eb4cf5a | 2011-07-14 15:31:07 -0400 | [diff] [blame] | 550 | /* fall through */ |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 551 | default: |
Michal Marek | 2a11c8e | 2011-07-20 17:38:57 +0200 | [diff] [blame] | 552 | fprintf(fp, "#define %s%s%s 1\n", |
| 553 | CONFIG_, sym->name, suffix); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 554 | } |
Arnaud Lacombe | eb4cf5a | 2011-07-14 15:31:07 -0400 | [diff] [blame] | 555 | break; |
| 556 | } |
| 557 | case S_HEX: { |
| 558 | const char *prefix = ""; |
| 559 | |
| 560 | if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X')) |
| 561 | prefix = "0x"; |
| 562 | fprintf(fp, "#define %s%s %s%s\n", |
| 563 | CONFIG_, sym->name, prefix, value); |
| 564 | break; |
| 565 | } |
| 566 | case S_STRING: |
| 567 | case S_INT: |
| 568 | fprintf(fp, "#define %s%s %s\n", |
| 569 | CONFIG_, sym->name, value); |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 570 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 571 | default: |
| 572 | break; |
| 573 | } |
| 574 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | static void |
| 578 | header_print_comment(FILE *fp, const char *value, void *arg) |
| 579 | { |
| 580 | const char *p = value; |
| 581 | size_t l; |
| 582 | |
| 583 | fprintf(fp, "/*\n"); |
| 584 | for (;;) { |
| 585 | l = strcspn(p, "\n"); |
| 586 | fprintf(fp, " *"); |
| 587 | if (l) { |
| 588 | fprintf(fp, " "); |
Peter Foley | 70cc01e | 2011-10-22 10:48:49 -0400 | [diff] [blame] | 589 | xfwrite(p, l, 1, fp); |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 590 | p += l; |
| 591 | } |
| 592 | fprintf(fp, "\n"); |
| 593 | if (*p++ == '\0') |
| 594 | break; |
| 595 | } |
| 596 | fprintf(fp, " */\n"); |
| 597 | } |
| 598 | |
| 599 | static struct conf_printer header_printer_cb = |
| 600 | { |
| 601 | .print_symbol = header_print_symbol, |
| 602 | .print_comment = header_print_comment, |
| 603 | }; |
| 604 | |
| 605 | /* |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 606 | * Tristate printer |
| 607 | * |
| 608 | * This printer is used when generating the `include/config/tristate.conf' file. |
| 609 | */ |
| 610 | static void |
| 611 | tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) |
| 612 | { |
| 613 | |
| 614 | if (sym->type == S_TRISTATE && *value != 'n') |
| 615 | fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value)); |
| 616 | } |
| 617 | |
| 618 | static struct conf_printer tristate_printer_cb = |
| 619 | { |
| 620 | .print_symbol = tristate_print_symbol, |
| 621 | .print_comment = kconfig_print_comment, |
| 622 | }; |
| 623 | |
| 624 | static void conf_write_symbol(FILE *fp, struct symbol *sym, |
| 625 | struct conf_printer *printer, void *printer_arg) |
| 626 | { |
| 627 | const char *str; |
| 628 | |
| 629 | switch (sym->type) { |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 630 | case S_OTHER: |
| 631 | case S_UNKNOWN: |
| 632 | break; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 633 | case S_STRING: |
| 634 | str = sym_get_string_value(sym); |
| 635 | str = sym_escape_string_value(str); |
| 636 | printer->print_symbol(fp, sym, str, printer_arg); |
| 637 | free((void *)str); |
| 638 | break; |
| 639 | default: |
| 640 | str = sym_get_string_value(sym); |
| 641 | printer->print_symbol(fp, sym, str, printer_arg); |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 642 | } |
| 643 | } |
| 644 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 645 | static void |
| 646 | conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg) |
| 647 | { |
| 648 | char buf[256]; |
| 649 | |
| 650 | snprintf(buf, sizeof(buf), |
| 651 | "\n" |
| 652 | "Automatically generated file; DO NOT EDIT.\n" |
| 653 | "%s\n", |
| 654 | rootmenu.prompt->text); |
| 655 | |
| 656 | printer->print_comment(fp, buf, printer_arg); |
| 657 | } |
| 658 | |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 659 | /* |
| 660 | * Write out a minimal config. |
| 661 | * All values that has default values are skipped as this is redundant. |
| 662 | */ |
| 663 | int conf_write_defconfig(const char *filename) |
| 664 | { |
| 665 | struct symbol *sym; |
| 666 | struct menu *menu; |
| 667 | FILE *out; |
| 668 | |
| 669 | out = fopen(filename, "w"); |
| 670 | if (!out) |
| 671 | return 1; |
| 672 | |
| 673 | sym_clear_all_valid(); |
| 674 | |
| 675 | /* Traverse all menus to find all relevant symbols */ |
| 676 | menu = rootmenu.list; |
| 677 | |
| 678 | while (menu != NULL) |
| 679 | { |
| 680 | sym = menu->sym; |
| 681 | if (sym == NULL) { |
| 682 | if (!menu_is_visible(menu)) |
| 683 | goto next_menu; |
| 684 | } else if (!sym_is_choice(sym)) { |
| 685 | sym_calc_value(sym); |
| 686 | if (!(sym->flags & SYMBOL_WRITE)) |
| 687 | goto next_menu; |
| 688 | sym->flags &= ~SYMBOL_WRITE; |
| 689 | /* If we cannot change the symbol - skip */ |
| 690 | if (!sym_is_changable(sym)) |
| 691 | goto next_menu; |
| 692 | /* If symbol equals to default value - skip */ |
| 693 | if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0) |
| 694 | goto next_menu; |
| 695 | |
| 696 | /* |
| 697 | * If symbol is a choice value and equals to the |
| 698 | * default for a choice - skip. |
Sam Ravnborg | 84062dd | 2010-08-14 23:22:16 +0200 | [diff] [blame] | 699 | * But only if value is bool and equal to "y" and |
| 700 | * choice is not "optional". |
| 701 | * (If choice is "optional" then all values can be "n") |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 702 | */ |
| 703 | if (sym_is_choice_value(sym)) { |
| 704 | struct symbol *cs; |
| 705 | struct symbol *ds; |
| 706 | |
| 707 | cs = prop_get_symbol(sym_get_choice_prop(sym)); |
| 708 | ds = sym_choice_default(cs); |
Sam Ravnborg | 84062dd | 2010-08-14 23:22:16 +0200 | [diff] [blame] | 709 | if (!sym_is_optional(cs) && sym == ds) { |
Sam Ravnborg | 801690c | 2010-08-12 09:11:51 +0200 | [diff] [blame] | 710 | if ((sym->type == S_BOOLEAN) && |
| 711 | sym_get_tristate_value(sym) == yes) |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 712 | goto next_menu; |
| 713 | } |
| 714 | } |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 715 | conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); |
Sam Ravnborg | 7cf3d73 | 2010-07-31 23:35:34 +0200 | [diff] [blame] | 716 | } |
| 717 | next_menu: |
| 718 | if (menu->list != NULL) { |
| 719 | menu = menu->list; |
| 720 | } |
| 721 | else if (menu->next != NULL) { |
| 722 | menu = menu->next; |
| 723 | } else { |
| 724 | while ((menu = menu->parent)) { |
| 725 | if (menu->next != NULL) { |
| 726 | menu = menu->next; |
| 727 | break; |
| 728 | } |
| 729 | } |
| 730 | } |
| 731 | } |
| 732 | fclose(out); |
| 733 | return 0; |
| 734 | } |
| 735 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | int conf_write(const char *name) |
| 737 | { |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 738 | FILE *out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | struct symbol *sym; |
| 740 | struct menu *menu; |
| 741 | const char *basename; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 742 | const char *str; |
Will Newton | 1408b15 | 2010-09-22 15:59:13 +0100 | [diff] [blame] | 743 | 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] | 744 | char *env; |
| 745 | |
| 746 | dirname[0] = 0; |
| 747 | if (name && name[0]) { |
| 748 | struct stat st; |
| 749 | char *slash; |
| 750 | |
| 751 | if (!stat(name, &st) && S_ISDIR(st.st_mode)) { |
| 752 | strcpy(dirname, name); |
| 753 | strcat(dirname, "/"); |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 754 | basename = conf_get_configname(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 755 | } else if ((slash = strrchr(name, '/'))) { |
| 756 | int size = slash - name + 1; |
| 757 | memcpy(dirname, name, size); |
| 758 | dirname[size] = 0; |
| 759 | if (slash[1]) |
| 760 | basename = slash + 1; |
| 761 | else |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 762 | basename = conf_get_configname(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 763 | } else |
| 764 | basename = name; |
| 765 | } else |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 766 | basename = conf_get_configname(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 768 | sprintf(newname, "%s%s", dirname, basename); |
| 769 | env = getenv("KCONFIG_OVERWRITECONFIG"); |
| 770 | if (!env || !*env) { |
| 771 | sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); |
| 772 | out = fopen(tmpname, "w"); |
| 773 | } else { |
| 774 | *tmpname = 0; |
| 775 | out = fopen(newname, "w"); |
| 776 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 777 | if (!out) |
| 778 | return 1; |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 779 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 780 | conf_write_heading(out, &kconfig_printer_cb, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | |
Karsten Wiese | b321429 | 2006-12-13 00:34:06 -0800 | [diff] [blame] | 782 | if (!conf_get_changed()) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | sym_clear_all_valid(); |
| 784 | |
| 785 | menu = rootmenu.list; |
| 786 | while (menu) { |
| 787 | sym = menu->sym; |
| 788 | if (!sym) { |
| 789 | if (!menu_is_visible(menu)) |
| 790 | goto next; |
| 791 | str = menu_get_prompt(menu); |
| 792 | fprintf(out, "\n" |
| 793 | "#\n" |
| 794 | "# %s\n" |
| 795 | "#\n", str); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | } else if (!(sym->flags & SYMBOL_CHOICE)) { |
| 797 | sym_calc_value(sym); |
| 798 | if (!(sym->flags & SYMBOL_WRITE)) |
| 799 | goto next; |
| 800 | sym->flags &= ~SYMBOL_WRITE; |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 801 | |
| 802 | conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | } |
| 804 | |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 805 | next: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | if (menu->list) { |
| 807 | menu = menu->list; |
| 808 | continue; |
| 809 | } |
| 810 | if (menu->next) |
| 811 | menu = menu->next; |
| 812 | else while ((menu = menu->parent)) { |
| 813 | if (menu->next) { |
| 814 | menu = menu->next; |
| 815 | break; |
| 816 | } |
| 817 | } |
| 818 | } |
| 819 | fclose(out); |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 820 | |
| 821 | if (*tmpname) { |
Sam Ravnborg | 9a3d0fe | 2006-10-01 11:48:53 +0200 | [diff] [blame] | 822 | strcat(dirname, basename); |
Roman Zippel | 14cdd3c | 2006-06-08 22:12:51 -0700 | [diff] [blame] | 823 | strcat(dirname, ".old"); |
| 824 | rename(newname, dirname); |
| 825 | if (rename(tmpname, newname)) |
| 826 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 827 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | |
Michal Marek | 42368c3 | 2010-08-17 10:21:19 +0200 | [diff] [blame] | 829 | conf_message(_("configuration written to %s"), newname); |
Roman Zippel | ddc97ca | 2006-06-08 22:12:38 -0700 | [diff] [blame] | 830 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 831 | sym_set_change_count(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 832 | |
| 833 | return 0; |
| 834 | } |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 835 | |
Trevor Keith | 4356f48 | 2009-09-18 12:49:23 -0700 | [diff] [blame] | 836 | static int conf_split_config(void) |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 837 | { |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 838 | const char *name; |
Will Newton | 1408b15 | 2010-09-22 15:59:13 +0100 | [diff] [blame] | 839 | char path[PATH_MAX+1]; |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 840 | char *s, *d, c; |
| 841 | struct symbol *sym; |
| 842 | struct stat sb; |
| 843 | int res, i, fd; |
| 844 | |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 845 | name = conf_get_autoconfig_name(); |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 846 | conf_read_simple(name, S_DEF_AUTO); |
| 847 | |
| 848 | if (chdir("include/config")) |
| 849 | return 1; |
| 850 | |
| 851 | res = 0; |
| 852 | for_all_symbols(i, sym) { |
| 853 | sym_calc_value(sym); |
| 854 | if ((sym->flags & SYMBOL_AUTO) || !sym->name) |
| 855 | continue; |
| 856 | if (sym->flags & SYMBOL_WRITE) { |
| 857 | if (sym->flags & SYMBOL_DEF_AUTO) { |
| 858 | /* |
| 859 | * symbol has old and new value, |
| 860 | * so compare them... |
| 861 | */ |
| 862 | switch (sym->type) { |
| 863 | case S_BOOLEAN: |
| 864 | case S_TRISTATE: |
| 865 | if (sym_get_tristate_value(sym) == |
| 866 | sym->def[S_DEF_AUTO].tri) |
| 867 | continue; |
| 868 | break; |
| 869 | case S_STRING: |
| 870 | case S_HEX: |
| 871 | case S_INT: |
| 872 | if (!strcmp(sym_get_string_value(sym), |
| 873 | sym->def[S_DEF_AUTO].val)) |
| 874 | continue; |
| 875 | break; |
| 876 | default: |
| 877 | break; |
| 878 | } |
| 879 | } else { |
| 880 | /* |
| 881 | * If there is no old value, only 'no' (unset) |
| 882 | * is allowed as new value. |
| 883 | */ |
| 884 | switch (sym->type) { |
| 885 | case S_BOOLEAN: |
| 886 | case S_TRISTATE: |
| 887 | if (sym_get_tristate_value(sym) == no) |
| 888 | continue; |
| 889 | break; |
| 890 | default: |
| 891 | break; |
| 892 | } |
| 893 | } |
| 894 | } else if (!(sym->flags & SYMBOL_DEF_AUTO)) |
| 895 | /* There is neither an old nor a new value. */ |
| 896 | continue; |
| 897 | /* else |
| 898 | * There is an old value, but no new value ('no' (unset) |
| 899 | * isn't saved in auto.conf, so the old value is always |
| 900 | * different from 'no'). |
| 901 | */ |
| 902 | |
| 903 | /* Replace all '_' and append ".h" */ |
| 904 | s = sym->name; |
| 905 | d = path; |
| 906 | while ((c = *s++)) { |
| 907 | c = tolower(c); |
| 908 | *d++ = (c == '_') ? '/' : c; |
| 909 | } |
| 910 | strcpy(d, ".h"); |
| 911 | |
| 912 | /* Assume directory path already exists. */ |
| 913 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 914 | if (fd == -1) { |
| 915 | if (errno != ENOENT) { |
| 916 | res = 1; |
| 917 | break; |
| 918 | } |
| 919 | /* |
| 920 | * Create directory components, |
| 921 | * unless they exist already. |
| 922 | */ |
| 923 | d = path; |
| 924 | while ((d = strchr(d, '/'))) { |
| 925 | *d = 0; |
| 926 | if (stat(path, &sb) && mkdir(path, 0755)) { |
| 927 | res = 1; |
| 928 | goto out; |
| 929 | } |
| 930 | *d++ = '/'; |
| 931 | } |
| 932 | /* Try it again. */ |
| 933 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 934 | if (fd == -1) { |
| 935 | res = 1; |
| 936 | break; |
| 937 | } |
| 938 | } |
| 939 | close(fd); |
| 940 | } |
| 941 | out: |
| 942 | if (chdir("../..")) |
| 943 | return 1; |
| 944 | |
| 945 | return res; |
| 946 | } |
| 947 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 948 | int conf_write_autoconf(void) |
| 949 | { |
| 950 | struct symbol *sym; |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 951 | const char *name; |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 952 | FILE *out, *tristate, *out_h; |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 953 | int i; |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 954 | |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 955 | sym_clear_all_valid(); |
| 956 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 957 | file_write_dep("include/config/auto.conf.cmd"); |
| 958 | |
Roman Zippel | 2e3646e | 2006-06-08 22:12:42 -0700 | [diff] [blame] | 959 | if (conf_split_config()) |
| 960 | return 1; |
| 961 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 962 | out = fopen(".tmpconfig", "w"); |
| 963 | if (!out) |
| 964 | return 1; |
| 965 | |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 966 | tristate = fopen(".tmpconfig_tristate", "w"); |
| 967 | if (!tristate) { |
| 968 | fclose(out); |
| 969 | return 1; |
| 970 | } |
| 971 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 972 | out_h = fopen(".tmpconfig.h", "w"); |
| 973 | if (!out_h) { |
| 974 | fclose(out); |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 975 | fclose(tristate); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 976 | return 1; |
| 977 | } |
| 978 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 979 | conf_write_heading(out, &kconfig_printer_cb, NULL); |
| 980 | |
| 981 | conf_write_heading(tristate, &tristate_printer_cb, NULL); |
| 982 | |
| 983 | conf_write_heading(out_h, &header_printer_cb, NULL); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 984 | |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 985 | for_all_symbols(i, sym) { |
Arnaud Lacombe | 953742c | 2011-08-16 01:20:20 -0400 | [diff] [blame] | 986 | sym_calc_value(sym); |
Paul Gortmaker | a959613 | 2012-04-12 19:46:33 -0400 | [diff] [blame] | 987 | if (!(sym->flags & SYMBOL_WRITE) || !sym->name) |
Arnaud Lacombe | 953742c | 2011-08-16 01:20:20 -0400 | [diff] [blame] | 988 | continue; |
| 989 | |
Paul Gortmaker | a959613 | 2012-04-12 19:46:33 -0400 | [diff] [blame] | 990 | /* write symbol to auto.conf, tristate and header files */ |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 991 | conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1); |
Sam Ravnborg | 49192f2 | 2010-07-31 23:35:33 +0200 | [diff] [blame] | 992 | |
Arnaud Lacombe | e54e692 | 2011-05-15 23:42:09 -0400 | [diff] [blame] | 993 | conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1); |
| 994 | |
| 995 | conf_write_symbol(out_h, sym, &header_printer_cb, NULL); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 996 | } |
| 997 | fclose(out); |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 998 | fclose(tristate); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 999 | fclose(out_h); |
| 1000 | |
| 1001 | name = getenv("KCONFIG_AUTOHEADER"); |
| 1002 | if (!name) |
Sam Ravnborg | 264a268 | 2009-10-18 00:49:24 +0200 | [diff] [blame] | 1003 | name = "include/generated/autoconf.h"; |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 1004 | if (rename(".tmpconfig.h", name)) |
| 1005 | return 1; |
Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 1006 | name = getenv("KCONFIG_TRISTATE"); |
| 1007 | if (!name) |
| 1008 | name = "include/config/tristate.conf"; |
| 1009 | if (rename(".tmpconfig_tristate", name)) |
| 1010 | return 1; |
Markus Heidelberg | 12122f6 | 2009-05-18 01:36:54 +0200 | [diff] [blame] | 1011 | name = conf_get_autoconfig_name(); |
Roman Zippel | c955cca | 2006-06-08 22:12:39 -0700 | [diff] [blame] | 1012 | /* |
| 1013 | * This must be the last step, kbuild has a dependency on auto.conf |
| 1014 | * and this marks the successful completion of the previous steps. |
| 1015 | */ |
| 1016 | if (rename(".tmpconfig", name)) |
| 1017 | return 1; |
| 1018 | |
| 1019 | return 0; |
| 1020 | } |
Karsten Wiese | b321429 | 2006-12-13 00:34:06 -0800 | [diff] [blame] | 1021 | |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 1022 | static int sym_change_count; |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 1023 | static void (*conf_changed_callback)(void); |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 1024 | |
| 1025 | void sym_set_change_count(int count) |
| 1026 | { |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 1027 | int _sym_change_count = sym_change_count; |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 1028 | sym_change_count = count; |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 1029 | if (conf_changed_callback && |
| 1030 | (bool)_sym_change_count != (bool)count) |
| 1031 | conf_changed_callback(); |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 1032 | } |
| 1033 | |
| 1034 | void sym_add_change_count(int count) |
| 1035 | { |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 1036 | sym_set_change_count(count + sym_change_count); |
Karsten Wiese | bfc1000 | 2006-12-13 00:34:07 -0800 | [diff] [blame] | 1037 | } |
| 1038 | |
Karsten Wiese | b321429 | 2006-12-13 00:34:06 -0800 | [diff] [blame] | 1039 | bool conf_get_changed(void) |
| 1040 | { |
| 1041 | return sym_change_count; |
| 1042 | } |
Karsten Wiese | 3b354c5 | 2006-12-13 00:34:08 -0800 | [diff] [blame] | 1043 | |
| 1044 | void conf_set_changed_callback(void (*fn)(void)) |
| 1045 | { |
| 1046 | conf_changed_callback = fn; |
| 1047 | } |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1048 | |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1049 | static bool randomize_choice_values(struct symbol *csym) |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1050 | { |
| 1051 | struct property *prop; |
| 1052 | struct symbol *sym; |
| 1053 | struct expr *e; |
| 1054 | int cnt, def; |
| 1055 | |
| 1056 | /* |
Arnaud Lacombe | 579fb8e | 2010-12-05 01:41:16 -0500 | [diff] [blame] | 1057 | * If choice is mod then we may have more items selected |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1058 | * and if no then no-one. |
| 1059 | * In both cases stop. |
| 1060 | */ |
| 1061 | if (csym->curr.tri != yes) |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1062 | return false; |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1063 | |
| 1064 | prop = sym_get_choice_prop(csym); |
| 1065 | |
| 1066 | /* count entries in choice block */ |
| 1067 | cnt = 0; |
| 1068 | expr_list_for_each_sym(prop->expr, e, sym) |
| 1069 | cnt++; |
| 1070 | |
| 1071 | /* |
| 1072 | * find a random value and set it to yes, |
| 1073 | * set the rest to no so we have only one set |
| 1074 | */ |
| 1075 | def = (rand() % cnt); |
| 1076 | |
| 1077 | cnt = 0; |
| 1078 | expr_list_for_each_sym(prop->expr, e, sym) { |
| 1079 | if (def == cnt++) { |
| 1080 | sym->def[S_DEF_USER].tri = yes; |
| 1081 | csym->def[S_DEF_USER].val = sym; |
| 1082 | } |
| 1083 | else { |
| 1084 | sym->def[S_DEF_USER].tri = no; |
| 1085 | } |
Yann E. MORIN | e6abf12 | 2013-04-28 17:33:15 +0200 | [diff] [blame] | 1086 | sym->flags |= SYMBOL_DEF_USER; |
| 1087 | /* clear VALID to get value calculated */ |
| 1088 | sym->flags &= ~SYMBOL_VALID; |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1089 | } |
| 1090 | csym->flags |= SYMBOL_DEF_USER; |
| 1091 | /* clear VALID to get value calculated */ |
| 1092 | csym->flags &= ~(SYMBOL_VALID); |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1093 | |
| 1094 | return true; |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1095 | } |
| 1096 | |
Arve Hjønnevåg | fbe98bb | 2013-06-06 20:37:00 -0700 | [diff] [blame] | 1097 | void set_all_choice_values(struct symbol *csym) |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1098 | { |
| 1099 | struct property *prop; |
| 1100 | struct symbol *sym; |
| 1101 | struct expr *e; |
| 1102 | |
| 1103 | prop = sym_get_choice_prop(csym); |
| 1104 | |
| 1105 | /* |
| 1106 | * Set all non-assinged choice values to no |
| 1107 | */ |
| 1108 | expr_list_for_each_sym(prop->expr, e, sym) { |
| 1109 | if (!sym_has_value(sym)) |
| 1110 | sym->def[S_DEF_USER].tri = no; |
| 1111 | } |
| 1112 | csym->flags |= SYMBOL_DEF_USER; |
| 1113 | /* clear VALID to get value calculated */ |
Arve Hjønnevåg | fbe98bb | 2013-06-06 20:37:00 -0700 | [diff] [blame] | 1114 | csym->flags &= ~(SYMBOL_VALID | SYMBOL_NEED_SET_CHOICE_VALUES); |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1115 | } |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1116 | |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1117 | bool conf_set_all_new_symbols(enum conf_def_mode mode) |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1118 | { |
| 1119 | struct symbol *sym, *csym; |
Yann E. MORIN | e43956e | 2013-04-13 17:18:36 +0200 | [diff] [blame] | 1120 | int i, cnt, pby, pty, ptm; /* pby: probability of boolean = y |
| 1121 | * pty: probability of tristate = y |
| 1122 | * ptm: probability of tristate = m |
| 1123 | */ |
| 1124 | |
| 1125 | pby = 50; pty = ptm = 33; /* can't go as the default in switch-case |
| 1126 | * below, otherwise gcc whines about |
| 1127 | * -Wmaybe-uninitialized */ |
| 1128 | if (mode == def_random) { |
| 1129 | int n, p[3]; |
| 1130 | char *env = getenv("KCONFIG_PROBABILITY"); |
| 1131 | n = 0; |
| 1132 | while( env && *env ) { |
| 1133 | char *endp; |
| 1134 | int tmp = strtol( env, &endp, 10 ); |
| 1135 | if( tmp >= 0 && tmp <= 100 ) { |
| 1136 | p[n++] = tmp; |
| 1137 | } else { |
| 1138 | errno = ERANGE; |
| 1139 | perror( "KCONFIG_PROBABILITY" ); |
| 1140 | exit( 1 ); |
| 1141 | } |
| 1142 | env = (*endp == ':') ? endp+1 : endp; |
| 1143 | if( n >=3 ) { |
| 1144 | break; |
| 1145 | } |
| 1146 | } |
| 1147 | switch( n ) { |
| 1148 | case 1: |
| 1149 | pby = p[0]; ptm = pby/2; pty = pby-ptm; |
| 1150 | break; |
| 1151 | case 2: |
| 1152 | pty = p[0]; ptm = p[1]; pby = pty + ptm; |
| 1153 | break; |
| 1154 | case 3: |
| 1155 | pby = p[0]; pty = p[1]; ptm = p[2]; |
| 1156 | break; |
| 1157 | } |
| 1158 | |
| 1159 | if( pty+ptm > 100 ) { |
| 1160 | errno = ERANGE; |
| 1161 | perror( "KCONFIG_PROBABILITY" ); |
| 1162 | exit( 1 ); |
| 1163 | } |
| 1164 | } |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1165 | bool has_changed = false; |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1166 | |
| 1167 | for_all_symbols(i, sym) { |
Yann E. MORIN | cfa98f2 | 2013-04-24 22:00:04 +0200 | [diff] [blame] | 1168 | if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID)) |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1169 | continue; |
| 1170 | switch (sym_get_type(sym)) { |
| 1171 | case S_BOOLEAN: |
| 1172 | case S_TRISTATE: |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1173 | has_changed = true; |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1174 | switch (mode) { |
| 1175 | case def_yes: |
| 1176 | sym->def[S_DEF_USER].tri = yes; |
| 1177 | break; |
| 1178 | case def_mod: |
| 1179 | sym->def[S_DEF_USER].tri = mod; |
| 1180 | break; |
| 1181 | case def_no: |
Josh Triplett | 5d2acfc | 2014-04-07 15:39:09 -0700 | [diff] [blame] | 1182 | if (sym->flags & SYMBOL_ALLNOCONFIG_Y) |
| 1183 | sym->def[S_DEF_USER].tri = yes; |
| 1184 | else |
| 1185 | sym->def[S_DEF_USER].tri = no; |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1186 | break; |
| 1187 | case def_random: |
Yann E. MORIN | e43956e | 2013-04-13 17:18:36 +0200 | [diff] [blame] | 1188 | sym->def[S_DEF_USER].tri = no; |
| 1189 | cnt = rand() % 100; |
| 1190 | if (sym->type == S_TRISTATE) { |
| 1191 | if (cnt < pty) |
| 1192 | sym->def[S_DEF_USER].tri = yes; |
| 1193 | else if (cnt < (pty+ptm)) |
| 1194 | sym->def[S_DEF_USER].tri = mod; |
| 1195 | } else if (cnt < pby) |
| 1196 | sym->def[S_DEF_USER].tri = yes; |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1197 | break; |
| 1198 | default: |
| 1199 | continue; |
| 1200 | } |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1201 | if (!(sym_is_choice(sym) && mode == def_random)) |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1202 | sym->flags |= SYMBOL_DEF_USER; |
| 1203 | break; |
| 1204 | default: |
| 1205 | break; |
| 1206 | } |
| 1207 | |
| 1208 | } |
| 1209 | |
Al Viro | ce97e13 | 2008-10-26 05:12:34 +0000 | [diff] [blame] | 1210 | sym_clear_all_valid(); |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1211 | |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1212 | /* |
| 1213 | * We have different type of choice blocks. |
Arnaud Lacombe | 579fb8e | 2010-12-05 01:41:16 -0500 | [diff] [blame] | 1214 | * If curr.tri equals to mod then we can select several |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1215 | * choice symbols in one block. |
| 1216 | * In this case we do nothing. |
Arnaud Lacombe | 579fb8e | 2010-12-05 01:41:16 -0500 | [diff] [blame] | 1217 | * If curr.tri equals yes then only one symbol can be |
Sam Ravnborg | 184832c | 2009-03-15 11:05:12 +0100 | [diff] [blame] | 1218 | * selected in a choice block and we set it to yes, |
| 1219 | * and the rest to no. |
| 1220 | */ |
Arve Hjønnevåg | fbe98bb | 2013-06-06 20:37:00 -0700 | [diff] [blame] | 1221 | if (mode != def_random) { |
| 1222 | for_all_symbols(i, csym) { |
| 1223 | if ((sym_is_choice(csym) && !sym_has_value(csym)) || |
| 1224 | sym_is_choice_value(csym)) |
| 1225 | csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES; |
| 1226 | } |
| 1227 | } |
| 1228 | |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1229 | for_all_symbols(i, csym) { |
| 1230 | if (sym_has_value(csym) || !sym_is_choice(csym)) |
| 1231 | continue; |
| 1232 | |
| 1233 | sym_calc_value(csym); |
Sam Ravnborg | a64b44e | 2010-08-12 09:11:52 +0200 | [diff] [blame] | 1234 | if (mode == def_random) |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1235 | has_changed = randomize_choice_values(csym); |
| 1236 | else { |
| 1237 | set_all_choice_values(csym); |
| 1238 | has_changed = true; |
| 1239 | } |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1240 | } |
Yann E. MORIN | 3b9a19e | 2013-04-28 22:36:38 +0200 | [diff] [blame] | 1241 | |
| 1242 | return has_changed; |
Roman Zippel | dc7862e | 2008-05-06 04:55:55 +0200 | [diff] [blame] | 1243 | } |