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 #if SQLITE_32BIT_ROWID
  37   "32BIT_ROWID",
  38 #endif
  39 #if SQLITE_4_BYTE_ALIGNED_MALLOC
  40   "4_BYTE_ALIGNED_MALLOC",
  41 #endif
  42 #if SQLITE_CASE_SENSITIVE_LIKE
  43   "CASE_SENSITIVE_LIKE",
  44 #endif
  45 #if SQLITE_CHECK_PAGES
  46   "CHECK_PAGES",
  47 #endif
  48 #if defined(__clang__) && defined(__clang_major__)
  49   "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "."
  50                     CTIMEOPT_VAL(__clang_minor__) "."
  51                     CTIMEOPT_VAL(__clang_patchlevel__),
  52 #elif defined(_MSC_VER)
  53   "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER),
  54 #elif defined(__GNUC__) && defined(__VERSION__)
  55   "COMPILER=gcc-" __VERSION__,
  56 #endif
  57 #if SQLITE_COVERAGE_TEST
  58   "COVERAGE_TEST",
  59 #endif
  60 #if SQLITE_DEBUG
  61   "DEBUG",
  62 #endif
  63 #if SQLITE_DEFAULT_LOCKING_MODE
  64   "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE),
  65 #endif
  66 #if defined(SQLITE_DEFAULT_MMAP_SIZE) && !defined(SQLITE_DEFAULT_MMAP_SIZE_xc)
  67   "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE),
  68 #endif
  69 #if SQLITE_DISABLE_DIRSYNC
  70   "DISABLE_DIRSYNC",
  71 #endif
  72 #if SQLITE_DISABLE_LFS
  73   "DISABLE_LFS",
  74 #endif
  75 #if SQLITE_ENABLE_8_3_NAMES
  76   "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES),
  77 #endif
  78 #if SQLITE_ENABLE_API_ARMOR
  79   "ENABLE_API_ARMOR",
  80 #endif
  81 #if SQLITE_ENABLE_ATOMIC_WRITE
  82   "ENABLE_ATOMIC_WRITE",
  83 #endif
  84 #if SQLITE_ENABLE_CEROD
  85   "ENABLE_CEROD",
  86 #endif
  87 #if SQLITE_ENABLE_COLUMN_METADATA
  88   "ENABLE_COLUMN_METADATA",
  89 #endif
  90 #if SQLITE_ENABLE_DBSTAT_VTAB
  91   "ENABLE_DBSTAT_VTAB",
  92 #endif
  93 #if SQLITE_ENABLE_EXPENSIVE_ASSERT
  94   "ENABLE_EXPENSIVE_ASSERT",
  95 #endif
  96 #if SQLITE_ENABLE_FTS1
  97   "ENABLE_FTS1",
  98 #endif
  99 #if SQLITE_ENABLE_FTS2
 100   "ENABLE_FTS2",
 101 #endif
 102 #if SQLITE_ENABLE_FTS3
 103   "ENABLE_FTS3",
 104 #endif
 105 #if SQLITE_ENABLE_FTS3_PARENTHESIS
 106   "ENABLE_FTS3_PARENTHESIS",
 107 #endif
 108 #if SQLITE_ENABLE_FTS4
 109   "ENABLE_FTS4",
 110 #endif
 111 #if SQLITE_ENABLE_FTS5
 112   "ENABLE_FTS5",
 113 #endif
 114 #if SQLITE_ENABLE_ICU
 115   "ENABLE_ICU",
 116 #endif
 117 #if SQLITE_ENABLE_IOTRACE
 118   "ENABLE_IOTRACE",
 119 #endif
 120 #if SQLITE_ENABLE_JSON1
 121   "ENABLE_JSON1",
 122 #endif
 123 #if SQLITE_ENABLE_LOAD_EXTENSION
 124   "ENABLE_LOAD_EXTENSION",
 125 #endif
 126 #if SQLITE_ENABLE_LOCKING_STYLE
 127   "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE),
 128 #endif
 129 #if SQLITE_ENABLE_MEMORY_MANAGEMENT
 130   "ENABLE_MEMORY_MANAGEMENT",
 131 #endif
 132 #if SQLITE_ENABLE_MEMSYS3
 133   "ENABLE_MEMSYS3",
 134 #endif
 135 #if SQLITE_ENABLE_MEMSYS5
 136   "ENABLE_MEMSYS5",
 137 #endif
 138 #if SQLITE_ENABLE_OVERSIZE_CELL_CHECK
 139   "ENABLE_OVERSIZE_CELL_CHECK",
 140 #endif
 141 #if SQLITE_ENABLE_RTREE
 142   "ENABLE_RTREE",
 143 #endif
 144 #if defined(SQLITE_ENABLE_STAT4)
 145   "ENABLE_STAT4",
 146 #elif defined(SQLITE_ENABLE_STAT3)
 147   "ENABLE_STAT3",
 148 #endif
 149 #if SQLITE_ENABLE_UNLOCK_NOTIFY
 150   "ENABLE_UNLOCK_NOTIFY",
 151 #endif
 152 #if SQLITE_ENABLE_UPDATE_DELETE_LIMIT
 153   "ENABLE_UPDATE_DELETE_LIMIT",
 154 #endif
 155 #if SQLITE_HAS_CODEC
 156   "HAS_CODEC",
 157 #endif
 158 #if HAVE_ISNAN || SQLITE_HAVE_ISNAN
 159   "HAVE_ISNAN",
 160 #endif
 161 #if SQLITE_HOMEGROWN_RECURSIVE_MUTEX
 162   "HOMEGROWN_RECURSIVE_MUTEX",
 163 #endif
 164 #if SQLITE_IGNORE_AFP_LOCK_ERRORS
 165   "IGNORE_AFP_LOCK_ERRORS",
 166 #endif
 167 #if SQLITE_IGNORE_FLOCK_LOCK_ERRORS
 168   "IGNORE_FLOCK_LOCK_ERRORS",
 169 #endif
 170 #ifdef SQLITE_INT64_TYPE
 171   "INT64_TYPE",
 172 #endif
 173 #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS
 174   "LIKE_DOESNT_MATCH_BLOBS",
 175 #endif
 176 #if SQLITE_LOCK_TRACE
 177   "LOCK_TRACE",
 178 #endif
 179 #if defined(SQLITE_MAX_MMAP_SIZE) && !defined(SQLITE_MAX_MMAP_SIZE_xc)
 180   "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE),
 181 #endif
 182 #ifdef SQLITE_MAX_SCHEMA_RETRY
 183   "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY),
 184 #endif
 185 #if SQLITE_MEMDEBUG
 186   "MEMDEBUG",
 187 #endif
 188 #if SQLITE_MIXED_ENDIAN_64BIT_FLOAT
 189   "MIXED_ENDIAN_64BIT_FLOAT",
 190 #endif
 191 #if SQLITE_NO_SYNC
 192   "NO_SYNC",
 193 #endif
 194 #if SQLITE_OMIT_ALTERTABLE
 195   "OMIT_ALTERTABLE",
 196 #endif
 197 #if SQLITE_OMIT_ANALYZE
 198   "OMIT_ANALYZE",
 199 #endif
 200 #if SQLITE_OMIT_ATTACH
 201   "OMIT_ATTACH",
 202 #endif
 203 #if SQLITE_OMIT_AUTHORIZATION
 204   "OMIT_AUTHORIZATION",
 205 #endif
 206 #if SQLITE_OMIT_AUTOINCREMENT
 207   "OMIT_AUTOINCREMENT",
 208 #endif
 209 #if SQLITE_OMIT_AUTOINIT
 210   "OMIT_AUTOINIT",
 211 #endif
 212 #if SQLITE_OMIT_AUTOMATIC_INDEX
 213   "OMIT_AUTOMATIC_INDEX",
 214 #endif
 215 #if SQLITE_OMIT_AUTORESET
 216   "OMIT_AUTORESET",
 217 #endif
 218 #if SQLITE_OMIT_AUTOVACUUM
 219   "OMIT_AUTOVACUUM",
 220 #endif
 221 #if SQLITE_OMIT_BETWEEN_OPTIMIZATION
 222   "OMIT_BETWEEN_OPTIMIZATION",
 223 #endif
 224 #if SQLITE_OMIT_BLOB_LITERAL
 225   "OMIT_BLOB_LITERAL",
 226 #endif
 227 #if SQLITE_OMIT_BTREECOUNT
 228   "OMIT_BTREECOUNT",
 229 #endif
 230 #if SQLITE_OMIT_BUILTIN_TEST
 231   "OMIT_BUILTIN_TEST",
 232 #endif
 233 #if SQLITE_OMIT_CAST
 234   "OMIT_CAST",
 235 #endif
 236 #if SQLITE_OMIT_CHECK
 237   "OMIT_CHECK",
 238 #endif
 239 #if SQLITE_OMIT_COMPLETE
 240   "OMIT_COMPLETE",
 241 #endif
 242 #if SQLITE_OMIT_COMPOUND_SELECT
 243   "OMIT_COMPOUND_SELECT",
 244 #endif
 245 #if SQLITE_OMIT_CTE
 246   "OMIT_CTE",
 247 #endif
 248 #if SQLITE_OMIT_DATETIME_FUNCS
 249   "OMIT_DATETIME_FUNCS",
 250 #endif
 251 #if SQLITE_OMIT_DECLTYPE
 252   "OMIT_DECLTYPE",
 253 #endif
 254 #if SQLITE_OMIT_DEPRECATED
 255   "OMIT_DEPRECATED",
 256 #endif
 257 #if SQLITE_OMIT_DISKIO
 258   "OMIT_DISKIO",
 259 #endif
 260 #if SQLITE_OMIT_EXPLAIN
 261   "OMIT_EXPLAIN",
 262 #endif
 263 #if SQLITE_OMIT_FLAG_PRAGMAS
 264   "OMIT_FLAG_PRAGMAS",
 265 #endif
 266 #if SQLITE_OMIT_FLOATING_POINT
 267   "OMIT_FLOATING_POINT",
 268 #endif
 269 #if SQLITE_OMIT_FOREIGN_KEY
 270   "OMIT_FOREIGN_KEY",
 271 #endif
 272 #if SQLITE_OMIT_GET_TABLE
 273   "OMIT_GET_TABLE",
 274 #endif
 275 #if SQLITE_OMIT_INCRBLOB
 276   "OMIT_INCRBLOB",
 277 #endif
 278 #if SQLITE_OMIT_INTEGRITY_CHECK
 279   "OMIT_INTEGRITY_CHECK",
 280 #endif
 281 #if SQLITE_OMIT_LIKE_OPTIMIZATION
 282   "OMIT_LIKE_OPTIMIZATION",
 283 #endif
 284 #if SQLITE_OMIT_LOAD_EXTENSION
 285   "OMIT_LOAD_EXTENSION",
 286 #endif
 287 #if SQLITE_OMIT_LOCALTIME
 288   "OMIT_LOCALTIME",
 289 #endif
 290 #if SQLITE_OMIT_LOOKASIDE
 291   "OMIT_LOOKASIDE",
 292 #endif
 293 #if SQLITE_OMIT_MEMORYDB
 294   "OMIT_MEMORYDB",
 295 #endif
 296 #if SQLITE_OMIT_OR_OPTIMIZATION
 297   "OMIT_OR_OPTIMIZATION",
 298 #endif
 299 #if SQLITE_OMIT_PAGER_PRAGMAS
 300   "OMIT_PAGER_PRAGMAS",
 301 #endif
 302 #if SQLITE_OMIT_PRAGMA
 303   "OMIT_PRAGMA",
 304 #endif
 305 #if SQLITE_OMIT_PROGRESS_CALLBACK
 306   "OMIT_PROGRESS_CALLBACK",
 307 #endif
 308 #if SQLITE_OMIT_QUICKBALANCE
 309   "OMIT_QUICKBALANCE",
 310 #endif
 311 #if SQLITE_OMIT_REINDEX
 312   "OMIT_REINDEX",
 313 #endif
 314 #if SQLITE_OMIT_SCHEMA_PRAGMAS
 315   "OMIT_SCHEMA_PRAGMAS",
 316 #endif
 317 #if SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS
 318   "OMIT_SCHEMA_VERSION_PRAGMAS",
 319 #endif
 320 #if SQLITE_OMIT_SHARED_CACHE
 321   "OMIT_SHARED_CACHE",
 322 #endif
 323 #if SQLITE_OMIT_SUBQUERY
 324   "OMIT_SUBQUERY",
 325 #endif
 326 #if SQLITE_OMIT_TCL_VARIABLE
 327   "OMIT_TCL_VARIABLE",
 328 #endif
 329 #if SQLITE_OMIT_TEMPDB
 330   "OMIT_TEMPDB",
 331 #endif
 332 #if SQLITE_OMIT_TRACE
 333   "OMIT_TRACE",
 334 #endif
 335 #if SQLITE_OMIT_TRIGGER
 336   "OMIT_TRIGGER",
 337 #endif
 338 #if SQLITE_OMIT_TRUNCATE_OPTIMIZATION
 339   "OMIT_TRUNCATE_OPTIMIZATION",
 340 #endif
 341 #if SQLITE_OMIT_UTF16
 342   "OMIT_UTF16",
 343 #endif
 344 #if SQLITE_OMIT_VACUUM
 345   "OMIT_VACUUM",
 346 #endif
 347 #if SQLITE_OMIT_VIEW
 348   "OMIT_VIEW",
 349 #endif
 350 #if SQLITE_OMIT_VIRTUALTABLE
 351   "OMIT_VIRTUALTABLE",
 352 #endif
 353 #if SQLITE_OMIT_WAL
 354   "OMIT_WAL",
 355 #endif
 356 #if SQLITE_OMIT_WSD
 357   "OMIT_WSD",
 358 #endif
 359 #if SQLITE_OMIT_XFER_OPT
 360   "OMIT_XFER_OPT",
 361 #endif
 362 #if SQLITE_PERFORMANCE_TRACE
 363   "PERFORMANCE_TRACE",
 364 #endif
 365 #if SQLITE_PROXY_DEBUG
 366   "PROXY_DEBUG",
 367 #endif
 368 #if SQLITE_RTREE_INT_ONLY
 369   "RTREE_INT_ONLY",
 370 #endif
 371 #if SQLITE_SECURE_DELETE
 372   "SECURE_DELETE",
 373 #endif
 374 #if SQLITE_SMALL_STACK
 375   "SMALL_STACK",
 376 #endif
 377 #if SQLITE_SOUNDEX
 378   "SOUNDEX",
 379 #endif
 380 #if SQLITE_SYSTEM_MALLOC
 381   "SYSTEM_MALLOC",
 382 #endif
 383 #if SQLITE_TCL
 384   "TCL",
 385 #endif
 386 #if defined(SQLITE_TEMP_STORE) && !defined(SQLITE_TEMP_STORE_xc)
 387   "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE),
 388 #endif
 389 #if SQLITE_TEST
 390   "TEST",
 391 #endif
 392 #if defined(SQLITE_THREADSAFE)
 393   "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE),
 394 #endif
 395 #if SQLITE_USE_ALLOCA
 396   "USE_ALLOCA",
 397 #endif
 398 #if SQLITE_USER_AUTHENTICATION
 399   "USER_AUTHENTICATION",
 400 #endif
 401 #if SQLITE_WIN32_MALLOC
 402   "WIN32_MALLOC",
 403 #endif
 404 #if SQLITE_ZERO_MALLOC
 405   "ZERO_MALLOC"
 406 #endif
 407 };
 408
 409 /*
 410 ** Given the name of a compile-time option, return true if that option
 411 ** was used and false if not.
 412 **
 413 ** The name can optionally begin with "SQLITE_" but the "SQLITE_" prefix
 414 ** is not required for a match.
 415 */
 416 int sqlite3_compileoption_used(const char *zOptName){
 417   int i, n;
 418
 419 #if SQLITE_ENABLE_API_ARMOR
 420   if( zOptName==0 ){
 421     (void)SQLITE_MISUSE_BKPT;
 422     return 0;
 423   }
 424 #endif
 425   if( sqlite3StrNICmp(zOptName, "SQLITE_", 7)==0 ) zOptName += 7;
 426   n = sqlite3Strlen30(zOptName);
 427
 428   /* Since ArraySize(azCompileOpt) is normally in single digits, a
 429   ** linear search is adequate.  No need for a binary search. */
 430   for(i=0; i<ArraySize(azCompileOpt); i++){
 431     if( sqlite3StrNICmp(zOptName, azCompileOpt[i], n)==0
 432      && sqlite3IsIdChar((unsigned char)azCompileOpt[i][n])==0
 433     ){
 434       return 1;
 435     }
 436   }
 437   return 0;
 438 }
 439
 440 /*
 441 ** Return the N-th compile-time option string.  If N is out of range,
 442 ** return a NULL pointer.
 443 */
 444 const char *sqlite3_compileoption_get(int N){
 445   if( N>=0 && N<ArraySize(azCompileOpt) ){
 446     return azCompileOpt[N];
 447   }
 448   return 0;
 449 }
 450
 451 #endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */