git.m6w6.name Git - m6w6/ext-http/blob - php_http_misc.h

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2010, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id: php_http_api.h 298891 2010-05-03 08:26:38Z mike $ */
  14
  15 #ifndef PHP_HTTP_MISC_H
  16 #define PHP_HTTP_MISC_H
  17
  18 /* DEFAULTS */
  19
  20 /* DATE FORMAT RFC1123 */
  21 #define PHP_HTTP_DATE_FORMAT "D, d M Y H:i:s \\G\\M\\T"
  22
  23 /* CR LF */
  24 #define PHP_HTTP_CRLF "\r\n"
  25
  26 /* default cache control */
  27 #define PHP_HTTP_DEFAULT_CACHECONTROL "private, must-revalidate, max-age=0"
  28
  29 /* max URL length */
  30 #define PHP_HTTP_URL_MAXLEN 4096
  31
  32 /* max request method length */
  33 #define PHP_HTTP_REQUEST_METHOD_MAXLEN 31
  34
  35 /* def URL arg separator */
  36 #define PHP_HTTP_URL_ARGSEP "&"
  37
  38 /* send buffer size */
  39 #define PHP_HTTP_SENDBUF_SIZE 40960
  40
  41 /* CURL buffer size */
  42 #define PHP_HTTP_CURLBUF_SIZE 16384
  43
  44 /* SLEEP */
  45
  46 #define PHP_HTTP_DIFFSEC (0.001)
  47 #define PHP_HTTP_MLLISEC (1000)
  48 #define PHP_HTTP_MCROSEC (1000 * 1000)
  49 #define PHP_HTTP_NANOSEC (1000 * 1000 * 1000)
  50 #define PHP_HTTP_MSEC(s) ((long)(s * PHP_HTTP_MLLISEC))
  51 #define PHP_HTTP_USEC(s) ((long)(s * PHP_HTTP_MCROSEC))
  52 #define PHP_HTTP_NSEC(s) ((long)(s * PHP_HTTP_NANOSEC))
  53
  54 PHP_HTTP_API void php_http_sleep(double s);
  55
  56 /* STRING UTILITIES */
  57
  58 #define PHP_HTTP_CHECK_CONTENT_TYPE(ct, action) \
  59         if (!strchr((ct), '/')) { \
  60                 php_http_error(HE_WARNING, PHP_HTTP_E_INVALID_PARAM, \
  61                         "Content type \"%s\" does not seem to contain a primary and a secondary part", (ct)); \
  62                 action; \
  63         }
  64
  65
  66 #ifndef STR_SET
  67 #       define STR_SET(STR, SET) \
  68         { \
  69                 STR_FREE(STR); \
  70                 STR = SET; \
  71         }
  72 #endif
  73
  74 #define STR_PTR(s) (s?s:"")
  75
  76 #define lenof(S) (sizeof(S) - 1)
  77
  78 #define PHP_HTTP_MATCH_LOOSE    0
  79 #define PHP_HTTP_MATCH_CASE             0x01
  80 #define PHP_HTTP_MATCH_WORD             0x10
  81 #define PHP_HTTP_MATCH_FULL             0x20
  82 #define PHP_HTTP_MATCH_STRICT   (PHP_HTTP_ENV_MATCH_CASE|PHP_HTTP_ENV_MATCH_FULL)
  83
  84 extern int php_http_match(const char *haystack, const char *needle, int flags);
  85
  86 extern char *php_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen);
  87 extern size_t php_http_boundary(char *buf, size_t len TSRMLS_DC);
  88
  89 static inline const char *php_http_locate_str(const char *h, size_t h_len, const char *n, size_t n_len)
  90 {
  91         const char *p, *e;
  92
  93         if (n_len && h_len) {
  94                 e = h + h_len;
  95                 do {
  96                         if (*h == *n) {
  97                                 for (p = n; *p == h[p-n]; ++p) {
  98                                         if (p == n+n_len-1) {
  99                                                 return h;
 100                                         }
 101                                 }
 102                         }
 103                 } while (h++ != e);
 104         }
 105
 106         return NULL;
 107 }
 108
 109 static inline const char *php_http_locate_body(const char *message)
 110 {
 111         const char *body = NULL, *msg = message;
 112
 113         while (*msg) {
 114                 if (*msg == '\n') {
 115                         if (*(msg+1) == '\n') {
 116                                 body = msg + 2;
 117                                 break;
 118                         } else if (*(msg+1) == '\r' && *(msg+2) == '\n') {
 119                                 body = msg + 3;
 120                                 break;
 121                         }
 122                 }
 123                 ++msg;
 124         }
 125         return body;
 126 }
 127
 128 static inline const char *php_http_locate_eol(const char *line, int *eol_len)
 129 {
 130         const char *eol = strpbrk(line, "\r\n");
 131
 132         if (eol_len) {
 133                 *eol_len = eol ? ((eol[0] == '\r' && eol[1] == '\n') ? 2 : 1) : 0;
 134         }
 135         return eol;
 136 }
 137
 138 static inline const char *php_http_locate_bin_eol(const char *bin, size_t len, int *eol_len)
 139 {
 140         const char *eol;
 141
 142         for (eol = bin; eol - bin < len; ++eol) {
 143                 if (*eol == '\r' || *eol == '\n') {
 144                         *eol_len = eol ? ((eol[0] == '\r' && eol[1] == '\n') ? 2 : 1) : 0;
 145                         return eol;
 146                 }
 147         }
 148
 149         return NULL;
 150 }
 151
 152 /* ZEND */
 153
 154 #define INIT_PZVAL_ARRAY(zv, ht) \
 155         { \
 156                 INIT_PZVAL((zv)); \
 157                 Z_TYPE_P(zv) = IS_ARRAY; \
 158                 Z_ARRVAL_P(zv) = (ht); \
 159         }
 160
 161 static inline zval *php_http_zsep(int type, zval *z)
 162 {
 163         SEPARATE_ARG_IF_REF(z);
 164         if (Z_TYPE_P(z) != type) {
 165                 switch (type) {
 166                         case IS_NULL:   convert_to_null_ex(&z);         break;
 167                         case IS_BOOL:   convert_to_boolean_ex(&z);      break;
 168                         case IS_LONG:   convert_to_long_ex(&z);         break;
 169                         case IS_DOUBLE: convert_to_double_ex(&z);       break;
 170                         case IS_STRING: convert_to_string_ex(&z);       break;
 171                         case IS_ARRAY:  convert_to_array_ex(&z);        break;
 172                         case IS_OBJECT: convert_to_object_ex(&z);       break;
 173                 }
 174         }
 175         return z;
 176 }
 177
 178
 179 /* return bool (v == SUCCESS) */
 180 #define RETVAL_SUCCESS(v) RETVAL_BOOL(SUCCESS == (v))
 181 #define RETURN_SUCCESS(v) RETURN_BOOL(SUCCESS == (v))
 182 /* return object(values) */
 183 #define RETVAL_OBJECT(o, addref) \
 184         RETVAL_OBJVAL((o)->value.obj, addref)
 185 #define RETURN_OBJECT(o, addref) \
 186         RETVAL_OBJECT(o, addref); \
 187         return
 188 #define RETVAL_OBJVAL(ov, addref) \
 189         ZVAL_OBJVAL(return_value, ov, addref)
 190 #define RETURN_OBJVAL(ov, addref) \
 191         RETVAL_OBJVAL(ov, addref); \
 192         return
 193 #define ZVAL_OBJVAL(zv, ov, addref) \
 194         (zv)->type = IS_OBJECT; \
 195         (zv)->value.obj = (ov);\
 196         if (addref && Z_OBJ_HT_P(zv)->add_ref) { \
 197                 Z_OBJ_HT_P(zv)->add_ref((zv) TSRMLS_CC); \
 198         }
 199 /* return property */
 200 #define RETVAL_PROP(CE, n) RETVAL_PROP_EX(CE, getThis(), n)
 201 #define RETURN_PROP(CE, n) RETURN_PROP_EX(CE, getThis(), n)
 202 #define RETVAL_PROP_EX(CE, this, n) \
 203         { \
 204                 zval *__prop = zend_read_property(CE, this, ZEND_STRL(n), 0 TSRMLS_CC); \
 205                 RETVAL_ZVAL(__prop, 1, 0); \
 206         }
 207 #define RETURN_PROP_EX(CE, this, n) \
 208         { \
 209                 zval *__prop = zend_read_property(CE, this, ZEND_STRL(n), 0 TSRMLS_CC); \
 210                 RETURN_ZVAL(__prop, 1, 0); \
 211         }
 212 #define RETVAL_SPROP(CE, n) \
 213         { \
 214                 zval *__prop = zend_read_static_property(CE, ZEND_STRL(n), 0 TSRMLS_CC); \
 215                 RETVAL_ZVAL(__prop, 1, 0); \
 216         }
 217 #define RETURN_SPROP(CE, n) \
 218         { \
 219                 zval *__prop = zend_read_static_property(CE, ZEND_STRL(n), 0 TSRMLS_CC); \
 220                 RETURN_ZVAL(__prop, 1, 0); \
 221         }
 222
 223 #define Z_OBJ_DELREF(z) \
 224         if (Z_OBJ_HT(z)->del_ref) { \
 225                 Z_OBJ_HT(z)->del_ref(&(z) TSRMLS_CC); \
 226         }
 227 #define Z_OBJ_ADDREF(z) \
 228         if (Z_OBJ_HT(z)->add_ref) { \
 229                 Z_OBJ_HT(z)->add_ref(&(z) TSRMLS_CC); \
 230         }
 231 #define Z_OBJ_DELREF_P(z) \
 232         if (Z_OBJ_HT_P(z)->del_ref) { \
 233                 Z_OBJ_HT_P(z)->del_ref((z) TSRMLS_CC); \
 234         }
 235 #define Z_OBJ_ADDREF_P(z) \
 236         if (Z_OBJ_HT_P(z)->add_ref) { \
 237                 Z_OBJ_HT_P(z)->add_ref((z) TSRMLS_CC); \
 238         }
 239 #define Z_OBJ_DELREF_PP(z) \
 240         if (Z_OBJ_HT_PP(z)->del_ref) { \
 241                 Z_OBJ_HT_PP(z)->del_ref(*(z) TSRMLS_CC); \
 242         }
 243 #define Z_OBJ_ADDREF_PP(z) \
 244         if (Z_OBJ_HT_PP(z)->add_ref) { \
 245                 Z_OBJ_HT_PP(z)->add_ref(*(z) TSRMLS_CC); \
 246         }
 247
 248 #define PHP_HTTP_BEGIN_ARGS_EX(class, method, ret_ref, req_args)        ZEND_BEGIN_ARG_INFO_EX(args_for_ ##class## _ ##method , 0, ret_ref, req_args)
 249 #define PHP_HTTP_BEGIN_ARGS_AR(class, method, ret_ref, req_args)        ZEND_BEGIN_ARG_INFO_EX(args_for_ ##class## _ ##method , 1, ret_ref, req_args)
 250 #define PHP_HTTP_END_ARGS                                                                                       }
 251 #define PHP_HTTP_EMPTY_ARGS_EX(class, method, ret_ref)                          PHP_HTTP_BEGIN_ARGS_EX(class, method, ret_ref, 0) PHP_HTTP_END_ARGS
 252 #define PHP_HTTP_ARGS(class, method)                                                            args_for_ ##class## _ ##method
 253 #define PHP_HTTP_ARG_VAL(name, pass_ref)                                                        ZEND_ARG_INFO(pass_ref, name)
 254 #define PHP_HTTP_ARG_OBJ(class, name, allow_null)                                       ZEND_ARG_OBJ_INFO(0, name, class, allow_null)
 255
 256 #define EMPTY_FUNCTION_ENTRY {NULL, NULL, NULL, 0, 0}
 257
 258 #define PHP_MINIT_CALL(func) PHP_MINIT(func)(INIT_FUNC_ARGS_PASSTHRU)
 259 #define PHP_RINIT_CALL(func) PHP_RINIT(func)(INIT_FUNC_ARGS_PASSTHRU)
 260 #define PHP_MSHUTDOWN_CALL(func) PHP_MSHUTDOWN(func)(SHUTDOWN_FUNC_ARGS_PASSTHRU)
 261 #define PHP_RSHUTDOWN_CALL(func) PHP_RSHUTDOWN(func)(SHUTDOWN_FUNC_ARGS_PASSTHRU)
 262
 263
 264 #define PHP_HTTP_INI_ENTRY(entry, default, scope, updater, global) \
 265         STD_PHP_INI_ENTRY(entry, default, scope, updater, global, zend_php_http_globals, php_http_globals)
 266 #define PHP_HTTP_INI_ENTRY_EX(entry, default, scope, updater, displayer, global) \
 267         STD_PHP_INI_ENTRY_EX(entry, default, scope, updater, global, zend_php_http_globals, php_http_globals, displayer)
 268
 269 #define PHP_HTTP_REGISTER_CLASS(ns, classname, name, parent, flags) \
 270         { \
 271                 zend_class_entry ce; \
 272                 memset(&ce, 0, sizeof(zend_class_entry)); \
 273                 INIT_NS_CLASS_ENTRY(ce, #ns, #classname, php_ ##name## _method_entry); \
 274                 php_ ##name## _class_entry = zend_register_internal_class_ex(&ce, parent, NULL TSRMLS_CC); \
 275                 php_ ##name## _class_entry->ce_flags |= flags;  \
 276         }
 277
 278 #define PHP_HTTP_REGISTER_EXCEPTION(classname, cename, parent) \
 279         { \
 280                 zend_class_entry ce; \
 281                 memset(&ce, 0, sizeof(zend_class_entry)); \
 282                 INIT_NS_CLASS_ENTRY(ce, "http", #classname, NULL); \
 283                 ce.create_object = NULL; \
 284                 cename = zend_register_internal_class_ex(&ce, parent, NULL TSRMLS_CC); \
 285         }
 286
 287 #define ACC_PROP_PRIVATE(ce, flags)             ((flags & ZEND_ACC_PRIVATE) && (EG(scope) && ce == EG(scope))
 288 #define ACC_PROP_PROTECTED(ce, flags)   ((flags & ZEND_ACC_PROTECTED) && (zend_check_protected(ce, EG(scope))))
 289 #define ACC_PROP_PUBLIC(flags)                  (flags & ZEND_ACC_PUBLIC)
 290 #define ACC_PROP(ce, flags)                             (ACC_PROP_PUBLIC(flags) || ACC_PROP_PRIVATE(ce, flags) || ACC_PROP_PROTECTED(ce, flags))
 291
 292 #ifdef PHP_HTTP_HAVE_CURL
 293 #               define PHP_HTTP_DECLARE_ARG_PASS_INFO() \
 294                         ZEND_BEGIN_ARG_INFO(http_arg_pass_ref_2, 0) \
 295                                 ZEND_ARG_PASS_INFO(0) \
 296                                 ZEND_ARG_PASS_INFO(1) \
 297                         ZEND_END_ARG_INFO(); \
 298  \
 299                         ZEND_BEGIN_ARG_INFO(http_arg_pass_ref_3, 0) \
 300                                 ZEND_ARG_PASS_INFO(0) \
 301                                 ZEND_ARG_PASS_INFO(0) \
 302                                 ZEND_ARG_PASS_INFO(1) \
 303                         ZEND_END_ARG_INFO(); \
 304  \
 305                         ZEND_BEGIN_ARG_INFO(http_arg_pass_ref_4, 0) \
 306                                 ZEND_ARG_PASS_INFO(0) \
 307                                 ZEND_ARG_PASS_INFO(0) \
 308                                 ZEND_ARG_PASS_INFO(0) \
 309                                 ZEND_ARG_PASS_INFO(1) \
 310                         ZEND_END_ARG_INFO(); \
 311  \
 312                         ZEND_BEGIN_ARG_INFO(http_arg_pass_ref_5, 0) \
 313                                 ZEND_ARG_PASS_INFO(0) \
 314                                 ZEND_ARG_PASS_INFO(0) \
 315                                 ZEND_ARG_PASS_INFO(0) \
 316                                 ZEND_ARG_PASS_INFO(0) \
 317                                 ZEND_ARG_PASS_INFO(1) \
 318                         ZEND_END_ARG_INFO();
 319
 320 #else
 321 #               define PHP_HTTP_DECLARE_ARG_PASS_INFO() \
 322                         ZEND_BEGIN_ARG_INFO(http_arg_pass_ref_2, 0) \
 323                                 ZEND_ARG_PASS_INFO(0) \
 324                                 ZEND_ARG_PASS_INFO(1) \
 325                         ZEND_END_ARG_INFO(); \
 326 \
 327                         ZEND_BEGIN_ARG_INFO(http_arg_pass_ref_4, 0) \
 328                                 ZEND_ARG_PASS_INFO(0) \
 329                                 ZEND_ARG_PASS_INFO(0) \
 330                                 ZEND_ARG_PASS_INFO(0) \
 331                                 ZEND_ARG_PASS_INFO(1) \
 332                         ZEND_END_ARG_INFO();
 333 #endif /* PHP_HTTP_HAVE_CURL */
 334
 335 /* ARRAYS */
 336
 337 typedef struct php_http_array_hashkey {
 338         char *str;
 339         uint len;
 340         ulong num;
 341         uint dup:1;
 342         uint type:31;
 343 } php_http_array_hashkey_t;
 344 #define php_http_array_hashkey_init(dup) {NULL, 0, 0, (dup), 0}
 345
 346 #define FOREACH_VAL(pos, array, val) FOREACH_HASH_VAL(pos, Z_ARRVAL_P(array), val)
 347 #define FOREACH_HASH_VAL(pos, hash, val) \
 348         for (   zend_hash_internal_pointer_reset_ex(hash, &pos); \
 349                         zend_hash_get_current_data_ex(hash, (void *) &val, &pos) == SUCCESS; \
 350                         zend_hash_move_forward_ex(hash, &pos))
 351
 352 #define FOREACH_KEY(pos, array, key) FOREACH_HASH_KEY(pos, Z_ARRVAL_P(array), key)
 353 #define FOREACH_HASH_KEY(pos, hash, _key) \
 354         for (   zend_hash_internal_pointer_reset_ex(hash, &pos); \
 355                         ((_key).type = zend_hash_get_current_key_ex(hash, &(_key).str, &(_key).len, &(_key).num, (zend_bool) (_key).dup, &pos)) != HASH_KEY_NON_EXISTANT; \
 356                         zend_hash_move_forward_ex(hash, &pos)) \
 357
 358 #define FOREACH_KEYVAL(pos, array, key, val) FOREACH_HASH_KEYVAL(pos, Z_ARRVAL_P(array), key, val)
 359 #define FOREACH_HASH_KEYVAL(pos, hash, _key, val) \
 360         for (   zend_hash_internal_pointer_reset_ex(hash, &pos); \
 361                         ((_key).type = zend_hash_get_current_key_ex(hash, &(_key).str, &(_key).len, &(_key).num, (zend_bool) (_key).dup, &pos)) != HASH_KEY_NON_EXISTANT && \
 362                         zend_hash_get_current_data_ex(hash, (void *) &val, &pos) == SUCCESS; \
 363                         zend_hash_move_forward_ex(hash, &pos))
 364
 365 #define array_copy(src, dst) zend_hash_copy(dst, src, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *))
 366 #define ARRAY_JOIN_STRONLY 1
 367 #define ARRAY_JOIN_PRETTIFY 2
 368 #define array_join(src, dst, append, flags) zend_hash_apply_with_arguments(src TSRMLS_CC, (append)?php_http_array_apply_append_func:php_http_array_apply_merge_func, 2, dst, (int)flags)
 369
 370 extern int php_http_array_apply_append_func(void *pDest TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key);
 371 extern int php_http_array_apply_merge_func(void *pDest TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key);
 372
 373 /* PASS CALLBACK */
 374
 375 typedef size_t (*php_http_pass_callback_t)(void *cb_arg, const char *str, size_t len);
 376 typedef size_t (*php_http_pass_php_http_buffer_callback_t)(void *cb_arg, php_http_buffer_t *str);
 377
 378 typedef struct php_http_pass_callback_arg {
 379         size_t (*cb_zts)(void *cb_arg, const char *str, size_t len TSRMLS_DC);
 380         void *cb_arg;
 381 } php_http_pass_callback_arg_t;
 382
 383 PHP_HTTP_API size_t php_http_pass_wrapper(php_http_pass_callback_arg_t *cb_arg, const char *str, size_t len);
 384
 385 /* ERROR */
 386
 387 extern void php_http_error(long type TSRMLS_DC, long code, const char *format, ...);
 388
 389 #define with_error_handling(eh, ec) \
 390         { \
 391                 zend_error_handling __eh; \
 392                 zend_replace_error_handling((eh), (ec), &__eh TSRMLS_CC);
 393
 394 #define end_error_handling() \
 395                 zend_restore_error_handling(&__eh TSRMLS_CC); \
 396         }
 397
 398 #ifndef E_THROW
 399 #       define E_THROW -1
 400 #endif
 401 #define HE_THROW        E_THROW TSRMLS_CC
 402 #define HE_NOTICE       E_NOTICE TSRMLS_CC
 403 #define HE_WARNING      E_WARNING TSRMLS_CC
 404 #define HE_ERROR        E_ERROR TSRMLS_CC
 405
 406 typedef enum php_http_error {
 407         PHP_HTTP_E_RUNTIME,
 408         PHP_HTTP_E_INVALID_PARAM,
 409         PHP_HTTP_E_HEADER,
 410         PHP_HTTP_E_MALFORMED_HEADERS,
 411         PHP_HTTP_E_REQUEST_METHOD,
 412         PHP_HTTP_E_MESSAGE,
 413         PHP_HTTP_E_MESSAGE_TYPE,
 414         PHP_HTTP_E_ENCODING,
 415         PHP_HTTP_E_REQUEST,
 416         PHP_HTTP_E_REQUEST_POOL,
 417         PHP_HTTP_E_SOCKET,
 418         PHP_HTTP_E_RESPONSE,
 419         PHP_HTTP_E_URL,
 420         PHP_HTTP_E_QUERYSTRING,
 421         PHP_HTTP_E_COOKIE,
 422 } php_http_error_t;
 423
 424 /* CURL */
 425
 426 #define PHP_HTTP_CURL_OPT(OPTION, p) curl_easy_setopt((request->ch), OPTION, (p))
 427
 428 #define PHP_HTTP_CURL_OPT_STRING(OPTION, ldiff, obdc) \
 429         { \
 430                 char *K = #OPTION; \
 431                 PHP_HTTP_CURL_OPT_STRING_EX(K+lenof("CURLOPT_KEY")+ldiff, OPTION, obdc); \
 432         }
 433 #define PHP_HTTP_CURL_OPT_STRING_EX(keyname, optname, obdc) \
 434         if (!strcasecmp(key.str, keyname)) { \
 435                 zval *copy = php_http_request_option_cache(request, keyname, strlen(keyname)+1, 0, php_http_zsep(IS_STRING, *param)); \
 436                 if (obdc) { \
 437                         if (SUCCESS != php_check_open_basedir(Z_STRVAL_P(copy) TSRMLS_CC)) { \
 438                                 return FAILURE; \
 439                         } \
 440                 } \
 441                 PHP_HTTP_CURL_OPT(optname, Z_STRVAL_P(copy)); \
 442                 zval_ptr_dtor(&copy); \
 443                 continue; \
 444         }
 445 #define PHP_HTTP_CURL_OPT_LONG(OPTION, ldiff) \
 446         { \
 447                 char *K = #OPTION; \
 448                 PHP_HTTP_CURL_OPT_LONG_EX(K+lenof("CURLOPT_KEY")+ldiff, OPTION); \
 449         }
 450 #define PHP_HTTP_CURL_OPT_LONG_EX(keyname, optname) \
 451         if (!strcasecmp(key.str, keyname)) { \
 452                 zval *copy = php_http_zsep(IS_LONG, *param); \
 453                 PHP_HTTP_CURL_OPT(optname, Z_LVAL_P(copy)); \
 454                 zval_ptr_dtor(&copy); \
 455                 continue; \
 456         }
 457
 458 #endif
 459
 460 /*
 461  * Local variables:
 462  * tab-width: 4
 463  * c-basic-offset: 4
 464  * End:
 465  * vim600: noet sw=4 ts=4 fdm=marker
 466  * vim<600: noet sw=4 ts=4
 467  */