third_party/sqlite/sqlite-src-3080704/src/ctime.c

   1 /*
   2 ** 2010 February 23
   3 **
   4 ** The author disclaims copyright to this source code.  In place of
   5 ** a legal notice, here is a blessing:
   6 **
   7 **    May you do good and not evil.
   8 **    May you find forgiveness for yourself and forgive others.
   9 **    May you share freely, never taking more than you give.
  10 **
  11 *************************************************************************
  12 **
  13 ** This file implements routines used to report what compile-time options
  14 ** SQLite was built with.
  15 */
  16
  17 #ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
  18
  19 #include "sqliteInt.h"
  20
  21 /*
  22 ** An array of names of all compile-time options.  This array should
  23 ** be sorted A-Z.
  24 **
  25 ** This array looks large, but in a typical installation actually uses
  26 ** only a handful of compile-time options, so most times this array is usually
  27 ** rather short and uses little memory space.
  28 */
  29 static const char * const azCompileOpt[] = {
  30
  31 /* These macros are provided to "stringify" the value of the define
  32 ** for those options in which the value is meaningful. */
  33 #define CTIMEOPT_VAL_(opt) #opt
  34 #define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt)
  35
  36 #ifdef SQLITE_32BIT_ROWID
  37   "32BIT_ROWID",
  38 #endif
  39 #ifdef SQLITE_4_BYTE_ALIGNED_MALLOC
  40   "4_BYTE_ALIGNED_MALLOC",
  41 #endif
  42 #ifdef SQLITE_CASE_SENSITIVE_LIKE
  43   "CASE_SENSITIVE_LIKE",
  44 #endif
  45 #ifdef SQLITE_CHECK_PAGES
  46   "CHECK_PAGES",
  47 #endif
  48 #ifdef SQLITE_COVERAGE_TEST
  49   "COVERAGE_TEST",
  50 #endif
  51 #ifdef SQLITE_DEBUG
  52   "DEBUG",
  53 #endif
  54 #ifdef SQLITE_DEFAULT_LOCKING_MODE
  55   "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE),
  56 #endif
  57 #if defined(SQLITE_DEFAULT_MMAP_SIZE) && !defined(SQLITE_DEFAULT_MMAP_SIZE_xc)
  58   "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE),
  59 #endif
  60 #ifdef SQLITE_DISABLE_DIRSYNC
  61   "DISABLE_DIRSYNC",
  62 #endif
  63 #ifdef SQLITE_DISABLE_LFS
  64   "DISABLE_LFS",
  65 #endif
  66 #ifdef SQLITE_ENABLE_ATOMIC_WRITE
  67   "ENABLE_ATOMIC_WRITE",
  68 #endif
  69 #ifdef SQLITE_ENABLE_CEROD
  70   "ENABLE_CEROD",
  71 #endif
  72 #ifdef SQLITE_ENABLE_COLUMN_METADATA
  73   "ENABLE_COLUMN_METADATA",
  74 #endif
  75 #ifdef SQLITE_ENABLE_EXPENSIVE_ASSERT
  76   "ENABLE_EXPENSIVE_ASSERT",
  77 #endif
  78 #ifdef SQLITE_ENABLE_FTS1
  79   "ENABLE_FTS1",
  80 #endif
  81 #ifdef SQLITE_ENABLE_FTS2
  82   "ENABLE_FTS2",
  83 #endif
  84 #ifdef SQLITE_ENABLE_FTS3
  85   "ENABLE_FTS3",
  86 #endif
  87 #ifdef SQLITE_ENABLE_FTS3_PARENTHESIS
  88   "ENABLE_FTS3_PARENTHESIS",
  89 #endif
  90 #ifdef SQLITE_ENABLE_FTS4
  91   "ENABLE_FTS4",
  92 #endif
  93 #ifdef SQLITE_ENABLE_ICU
  94   "ENABLE_ICU",
  95 #endif
  96 #ifdef SQLITE_ENABLE_IOTRACE
  97   "ENABLE_IOTRACE",
  98 #endif
  99 #ifdef SQLITE_ENABLE_LOAD_EXTENSION
 100   "ENABLE_LOAD_EXTENSION",
 101 #endif
 102 #ifdef SQLITE_ENABLE_LOCKING_STYLE
 103   "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE),
 104 #endif
 105 #ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
 106   "ENABLE_MEMORY_MANAGEMENT",
 107 #endif
 108 #ifdef SQLITE_ENABLE_MEMSYS3
 109   "ENABLE_MEMSYS3",
 110 #endif
 111 #ifdef SQLITE_ENABLE_MEMSYS5
 112   "ENABLE_MEMSYS5",
 113 #endif
 114 #ifdef SQLITE_ENABLE_OVERSIZE_CELL_CHECK
 115   "ENABLE_OVERSIZE_CELL_CHECK",
 116 #endif
 117 #ifdef SQLITE_ENABLE_RTREE
 118   "ENABLE_RTREE",
 119 #endif
 120 #if defined(SQLITE_ENABLE_STAT4)
 121   "ENABLE_STAT4",
 122 #elif defined(SQLITE_ENABLE_STAT3)
 123   "ENABLE_STAT3",
 124 #endif
 125 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
 126   "ENABLE_UNLOCK_NOTIFY",
 127 #endif
 128 #ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT
 129   "ENABLE_UPDATE_DELETE_LIMIT",
 130 #endif
 131 #ifdef SQLITE_HAS_CODEC
 132   "HAS_CODEC",
 133 #endif
 134 #ifdef SQLITE_HAVE_ISNAN
 135   "HAVE_ISNAN",
 136 #endif
 137 #ifdef SQLITE_HOMEGROWN_RECURSIVE_MUTEX
 138   "HOMEGROWN_RECURSIVE_MUTEX",
 139 #endif
 140 #ifdef SQLITE_IGNORE_AFP_LOCK_ERRORS
 141   "IGNORE_AFP_LOCK_ERRORS",
 142 #endif
 143 #ifdef SQLITE_IGNORE_FLOCK_LOCK_ERRORS
 144   "IGNORE_FLOCK_LOCK_ERRORS",
 145 #endif
 146 #ifdef SQLITE_INT64_TYPE
 147   "INT64_TYPE",
 148 #endif
 149 #ifdef SQLITE_LOCK_TRACE
 150   "LOCK_TRACE",
 151 #endif
 152 #if defined(SQLITE_MAX_MMAP_SIZE) && !defined(SQLITE_MAX_MMAP_SIZE_xc)
 153   "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE),
 154 #endif
 155 #ifdef SQLITE_MAX_SCHEMA_RETRY
 156   "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY),
 157 #endif
 158 #ifdef SQLITE_MEMDEBUG
 159   "MEMDEBUG",
 160 #endif
 161 #ifdef SQLITE_MIXED_ENDIAN_64BIT_FLOAT
 162   "MIXED_ENDIAN_64BIT_FLOAT",
 163 #endif
 164 #ifdef SQLITE_NO_SYNC
 165   "NO_SYNC",
 166 #endif
 167 #ifdef SQLITE_OMIT_ALTERTABLE
 168   "OMIT_ALTERTABLE",
 169 #endif
 170 #ifdef SQLITE_OMIT_ANALYZE
 171   "OMIT_ANALYZE",
 172 #endif
 173 #ifdef SQLITE_OMIT_ATTACH
 174   "OMIT_ATTACH",
 175 #endif
 176 #ifdef SQLITE_OMIT_AUTHORIZATION
 177   "OMIT_AUTHORIZATION",
 178 #endif
 179 #ifdef SQLITE_OMIT_AUTOINCREMENT
 180   "OMIT_AUTOINCREMENT",
 181 #endif
 182 #ifdef SQLITE_OMIT_AUTOINIT
 183   "OMIT_AUTOINIT",
 184 #endif
 185 #ifdef SQLITE_OMIT_AUTOMATIC_INDEX
 186   "OMIT_AUTOMATIC_INDEX",
 187 #endif
 188 #ifdef SQLITE_OMIT_AUTORESET
 189   "OMIT_AUTORESET",
 190 #endif
 191 #ifdef SQLITE_OMIT_AUTOVACUUM
 192   "OMIT_AUTOVACUUM",
 193 #endif
 194 #ifdef SQLITE_OMIT_BETWEEN_OPTIMIZATION
 195   "OMIT_BETWEEN_OPTIMIZATION",
 196 #endif
 197 #ifdef SQLITE_OMIT_BLOB_LITERAL
 198   "OMIT_BLOB_LITERAL",
 199 #endif
 200 #ifdef SQLITE_OMIT_BTREECOUNT
 201   "OMIT_BTREECOUNT",
 202 #endif
 203 #ifdef SQLITE_OMIT_BUILTIN_TEST
 204   "OMIT_BUILTIN_TEST",
 205 #endif
 206 #ifdef SQLITE_OMIT_CAST
 207   "OMIT_CAST",
 208 #endif
 209 #ifdef SQLITE_OMIT_CHECK
 210   "OMIT_CHECK",
 211 #endif
 212 #ifdef SQLITE_OMIT_COMPLETE
 213   "OMIT_COMPLETE",
 214 #endif
 215 #ifdef SQLITE_OMIT_COMPOUND_SELECT
 216   "OMIT_COMPOUND_SELECT",
 217 #endif
 218 #ifdef SQLITE_OMIT_CTE
 219   "OMIT_CTE",
 220 #endif
 221 #ifdef SQLITE_OMIT_DATETIME_FUNCS
 222   "OMIT_DATETIME_FUNCS",
 223 #endif
 224 #ifdef SQLITE_OMIT_DECLTYPE
 225   "OMIT_DECLTYPE",
 226 #endif
 227 #ifdef SQLITE_OMIT_DEPRECATED
 228   "OMIT_DEPRECATED",
 229 #endif
 230 #ifdef SQLITE_OMIT_DISKIO
 231   "OMIT_DISKIO",
 232 #endif
 233 #ifdef SQLITE_OMIT_EXPLAIN
 234   "OMIT_EXPLAIN",
 235 #endif
 236 #ifdef SQLITE_OMIT_FLAG_PRAGMAS
 237   "OMIT_FLAG_PRAGMAS",
 238 #endif
 239 #ifdef SQLITE_OMIT_FLOATING_POINT
 240   "OMIT_FLOATING_POINT",
 241 #endif
 242 #ifdef SQLITE_OMIT_FOREIGN_KEY
 243   "OMIT_FOREIGN_KEY",
 244 #endif
 245 #ifdef SQLITE_OMIT_GET_TABLE
 246   "OMIT_GET_TABLE",
 247 #endif
 248 #ifdef SQLITE_OMIT_INCRBLOB
 249   "OMIT_INCRBLOB",
 250 #endif
 251 #ifdef SQLITE_OMIT_INTEGRITY_CHECK
 252   "OMIT_INTEGRITY_CHECK",
 253 #endif
 254 #ifdef SQLITE_OMIT_LIKE_OPTIMIZATION
 255   "OMIT_LIKE_OPTIMIZATION",
 256 #endif
 257 #ifdef SQLITE_OMIT_LOAD_EXTENSION
 258   "OMIT_LOAD_EXTENSION",
 259 #endif
 260 #ifdef SQLITE_OMIT_LOCALTIME
 261   "OMIT_LOCALTIME",
 262 #endif
 263 #ifdef SQLITE_OMIT_LOOKASIDE
 264   "OMIT_LOOKASIDE",
 265 #endif
 266 #ifdef SQLITE_OMIT_MEMORYDB
 267   "OMIT_MEMORYDB",
 268 #endif
 269 #ifdef SQLITE_OMIT_OR_OPTIMIZATION
 270   "OMIT_OR_OPTIMIZATION",
 271 #endif
 272 #ifdef SQLITE_OMIT_PAGER_PRAGMAS
 273   "OMIT_PAGER_PRAGMAS",
 274 #endif
 275 #ifdef SQLITE_OMIT_PRAGMA
 276   "OMIT_PRAGMA",
 277 #endif
 278 #ifdef SQLITE_OMIT_PROGRESS_CALLBACK
 279   "OMIT_PROGRESS_CALLBACK",
 280 #endif
 281 #ifdef SQLITE_OMIT_QUICKBALANCE
 282   "OMIT_QUICKBALANCE",
 283 #endif
 284 #ifdef SQLITE_OMIT_REINDEX
 285   "OMIT_REINDEX",
 286 #endif
 287 #ifdef SQLITE_OMIT_SCHEMA_PRAGMAS
 288   "OMIT_SCHEMA_PRAGMAS",
 289 #endif
 290 #ifdef SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS
 291   "OMIT_SCHEMA_VERSION_PRAGMAS",
 292 #endif
 293 #ifdef SQLITE_OMIT_SHARED_CACHE
 294   "OMIT_SHARED_CACHE",
 295 #endif
 296 #ifdef SQLITE_OMIT_SUBQUERY
 297   "OMIT_SUBQUERY",
 298 #endif
 299 #ifdef SQLITE_OMIT_TCL_VARIABLE
 300   "OMIT_TCL_VARIABLE",
 301 #endif
 302 #ifdef SQLITE_OMIT_TEMPDB
 303   "OMIT_TEMPDB",
 304 #endif
 305 #ifdef SQLITE_OMIT_TRACE
 306   "OMIT_TRACE",
 307 #endif
 308 #ifdef SQLITE_OMIT_TRIGGER
 309   "OMIT_TRIGGER",
 310 #endif
 311 #ifdef SQLITE_OMIT_TRUNCATE_OPTIMIZATION
 312   "OMIT_TRUNCATE_OPTIMIZATION",
 313 #endif
 314 #ifdef SQLITE_OMIT_UTF16
 315   "OMIT_UTF16",
 316 #endif
 317 #ifdef SQLITE_OMIT_VACUUM
 318   "OMIT_VACUUM",
 319 #endif
 320 #ifdef SQLITE_OMIT_VIEW
 321   "OMIT_VIEW",
 322 #endif
 323 #ifdef SQLITE_OMIT_VIRTUALTABLE
 324   "OMIT_VIRTUALTABLE",
 325 #endif
 326 #ifdef SQLITE_OMIT_WAL
 327   "OMIT_WAL",
 328 #endif
 329 #ifdef SQLITE_OMIT_WSD
 330   "OMIT_WSD",
 331 #endif
 332 #ifdef SQLITE_OMIT_XFER_OPT
 333   "OMIT_XFER_OPT",
 334 #endif
 335 #ifdef SQLITE_PERFORMANCE_TRACE
 336   "PERFORMANCE_TRACE",
 337 #endif
 338 #ifdef SQLITE_PROXY_DEBUG
 339   "PROXY_DEBUG",
 340 #endif
 341 #ifdef SQLITE_RTREE_INT_ONLY
 342   "RTREE_INT_ONLY",
 343 #endif
 344 #ifdef SQLITE_SECURE_DELETE
 345   "SECURE_DELETE",
 346 #endif
 347 #ifdef SQLITE_SMALL_STACK
 348   "SMALL_STACK",
 349 #endif
 350 #ifdef SQLITE_SOUNDEX
 351   "SOUNDEX",
 352 #endif
 353 #ifdef SQLITE_SYSTEM_MALLOC
 354   "SYSTEM_MALLOC",
 355 #endif
 356 #ifdef SQLITE_TCL
 357   "TCL",
 358 #endif
 359 #if defined(SQLITE_TEMP_STORE) && !defined(SQLITE_TEMP_STORE_xc)
 360   "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE),
 361 #endif
 362 #ifdef SQLITE_TEST
 363   "TEST",
 364 #endif
 365 #if defined(SQLITE_THREADSAFE)
 366   "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE),
 367 #endif
 368 #ifdef SQLITE_USE_ALLOCA
 369   "USE_ALLOCA",
 370 #endif
 371 #ifdef SQLITE_USER_AUTHENTICATION
 372   "USER_AUTHENTICATION",
 373 #endif
 374 #ifdef SQLITE_WIN32_MALLOC
 375   "WIN32_MALLOC",
 376 #endif
 377 #ifdef SQLITE_ZERO_MALLOC
 378   "ZERO_MALLOC"
 379 #endif
 380 };
 381
 382 /*
 383 ** Given the name of a compile-time option, return true if that option
 384 ** was used and false if not.
 385 **
 386 ** The name can optionally begin with "SQLITE_" but the "SQLITE_" prefix
 387 ** is not required for a match.
 388 */
 389 int sqlite3_compileoption_used(const char *zOptName){
 390   int i, n;
 391   if( sqlite3StrNICmp(zOptName, "SQLITE_", 7)==0 ) zOptName += 7;
 392   n = sqlite3Strlen30(zOptName);
 393
 394   /* Since ArraySize(azCompileOpt) is normally in single digits, a
 395   ** linear search is adequate.  No need for a binary search. */
 396   for(i=0; i<ArraySize(azCompileOpt); i++){
 397     if( sqlite3StrNICmp(zOptName, azCompileOpt[i], n)==0
 398      && sqlite3IsIdChar((unsigned char)azCompileOpt[i][n])==0
 399     ){
 400       return 1;
 401     }
 402   }
 403   return 0;
 404 }
 405
 406 /*
 407 ** Return the N-th compile-time option string.  If N is out of range,
 408 ** return a NULL pointer.
 409 */
 410 const char *sqlite3_compileoption_get(int N){
 411   if( N>=0 && N<ArraySize(azCompileOpt) ){
 412     return azCompileOpt[N];
 413   }
 414   return 0;
 415 }
 416
 417 #endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */