[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/src/ctime.c

+/*
+** 2010 February 23
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+**
+** This file implements routines used to report what compile-time options
+** SQLite was built with.
+*/
+
+#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
+
+#include "sqliteInt.h"
+
+/*
+** An array of names of all compile-time options.  This array should 
+** be sorted A-Z.
+**
+** This array looks large, but in a typical installation actually uses
+** only a handful of compile-time options, so most times this array is usually
+** rather short and uses little memory space.
+*/
+static const char * const azCompileOpt[] = {
+
+/* These macros are provided to "stringify" the value of the define
+** for those options in which the value is meaningful. */
+#define CTIMEOPT_VAL_(opt) #opt
+#define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt)
+
+#if SQLITE_32BIT_ROWID
+  "32BIT_ROWID",
+#endif
+#if SQLITE_4_BYTE_ALIGNED_MALLOC
+  "4_BYTE_ALIGNED_MALLOC",
+#endif
+#if SQLITE_CASE_SENSITIVE_LIKE
+  "CASE_SENSITIVE_LIKE",
+#endif
+#if SQLITE_CHECK_PAGES
+  "CHECK_PAGES",
+#endif
+#if defined(__clang__) && defined(__clang_major__)
+  "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "."
+                    CTIMEOPT_VAL(__clang_minor__) "."
+                    CTIMEOPT_VAL(__clang_patchlevel__),
+#elif defined(_MSC_VER)
+  "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER),
+#elif defined(__GNUC__) && defined(__VERSION__)
+  "COMPILER=gcc-" __VERSION__,
+#endif
+#if SQLITE_COVERAGE_TEST
+  "COVERAGE_TEST",
+#endif
+#if SQLITE_DEBUG
+  "DEBUG",
+#endif
+#if SQLITE_DEFAULT_LOCKING_MODE
+  "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE),
+#endif
+#if defined(SQLITE_DEFAULT_MMAP_SIZE) && !defined(SQLITE_DEFAULT_MMAP_SIZE_xc)
+  "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE),
+#endif
+#if SQLITE_DIRECT_OVERFLOW_READ
+  "DIRECT_OVERFLOW_READ",
+#endif
+#if SQLITE_DISABLE_DIRSYNC
+  "DISABLE_DIRSYNC",
+#endif
+#if SQLITE_DISABLE_LFS
+  "DISABLE_LFS",
+#endif
+#if SQLITE_ENABLE_8_3_NAMES
+  "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES),
+#endif
+#if SQLITE_ENABLE_API_ARMOR
+  "ENABLE_API_ARMOR",
+#endif
+#if SQLITE_ENABLE_ATOMIC_WRITE
+  "ENABLE_ATOMIC_WRITE",
+#endif
+#if SQLITE_ENABLE_CEROD
+  "ENABLE_CEROD",
+#endif
+#if SQLITE_ENABLE_COLUMN_METADATA
+  "ENABLE_COLUMN_METADATA",
+#endif
+#if SQLITE_ENABLE_DBSTAT_VTAB
+  "ENABLE_DBSTAT_VTAB",
+#endif
+#if SQLITE_ENABLE_EXPENSIVE_ASSERT
+  "ENABLE_EXPENSIVE_ASSERT",
+#endif
+#if SQLITE_ENABLE_FTS1
+  "ENABLE_FTS1",
+#endif
+#if SQLITE_ENABLE_FTS2
+  "ENABLE_FTS2",
+#endif
+#if SQLITE_ENABLE_FTS3
+  "ENABLE_FTS3",
+#endif
+#if SQLITE_ENABLE_FTS3_PARENTHESIS
+  "ENABLE_FTS3_PARENTHESIS",
+#endif
+#if SQLITE_ENABLE_FTS4
+  "ENABLE_FTS4",
+#endif
+#if SQLITE_ENABLE_FTS5
+  "ENABLE_FTS5",
+#endif
+#if SQLITE_ENABLE_ICU
+  "ENABLE_ICU",
+#endif
+#if SQLITE_ENABLE_IOTRACE
+  "ENABLE_IOTRACE",
+#endif
+#if SQLITE_ENABLE_JSON1
+  "ENABLE_JSON1",
+#endif
+#if SQLITE_ENABLE_LOAD_EXTENSION
+  "ENABLE_LOAD_EXTENSION",
+#endif
+#if SQLITE_ENABLE_LOCKING_STYLE
+  "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE),
+#endif
+#if SQLITE_ENABLE_MEMORY_MANAGEMENT
+  "ENABLE_MEMORY_MANAGEMENT",
+#endif
+#if SQLITE_ENABLE_MEMSYS3
+  "ENABLE_MEMSYS3",
+#endif
+#if SQLITE_ENABLE_MEMSYS5
+  "ENABLE_MEMSYS5",
+#endif
+#if SQLITE_ENABLE_OVERSIZE_CELL_CHECK
+  "ENABLE_OVERSIZE_CELL_CHECK",
+#endif
+#if SQLITE_ENABLE_RTREE
+  "ENABLE_RTREE",
+#endif
+#if defined(SQLITE_ENABLE_STAT4)
+  "ENABLE_STAT4",
+#elif defined(SQLITE_ENABLE_STAT3)
+  "ENABLE_STAT3",
+#endif
+#if SQLITE_ENABLE_UNLOCK_NOTIFY
+  "ENABLE_UNLOCK_NOTIFY",
+#endif
+#if SQLITE_ENABLE_UPDATE_DELETE_LIMIT
+  "ENABLE_UPDATE_DELETE_LIMIT",
+#endif
+#if defined(SQLITE_ENABLE_URI_00_ERROR)
+  "ENABLE_URI_00_ERROR",
+#endif
+#if SQLITE_HAS_CODEC
+  "HAS_CODEC",
+#endif
+#if HAVE_ISNAN || SQLITE_HAVE_ISNAN
+  "HAVE_ISNAN",
+#endif
+#if SQLITE_HOMEGROWN_RECURSIVE_MUTEX
+  "HOMEGROWN_RECURSIVE_MUTEX",
+#endif
+#if SQLITE_IGNORE_AFP_LOCK_ERRORS
+  "IGNORE_AFP_LOCK_ERRORS",
+#endif
+#if SQLITE_IGNORE_FLOCK_LOCK_ERRORS
+  "IGNORE_FLOCK_LOCK_ERRORS",
+#endif
+#ifdef SQLITE_INT64_TYPE
+  "INT64_TYPE",
+#endif
+#ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS
+  "LIKE_DOESNT_MATCH_BLOBS",
+#endif
+#if SQLITE_LOCK_TRACE
+  "LOCK_TRACE",
+#endif
+#if defined(SQLITE_MAX_MMAP_SIZE) && !defined(SQLITE_MAX_MMAP_SIZE_xc)
+  "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE),
+#endif
+#ifdef SQLITE_MAX_SCHEMA_RETRY
+  "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY),
+#endif
+#if SQLITE_MEMDEBUG
+  "MEMDEBUG",
+#endif
+#if SQLITE_MIXED_ENDIAN_64BIT_FLOAT
+  "MIXED_ENDIAN_64BIT_FLOAT",
+#endif
+#if SQLITE_NO_SYNC
+  "NO_SYNC",
+#endif
+#if SQLITE_OMIT_ALTERTABLE
+  "OMIT_ALTERTABLE",
+#endif
+#if SQLITE_OMIT_ANALYZE
+  "OMIT_ANALYZE",
+#endif
+#if SQLITE_OMIT_ATTACH
+  "OMIT_ATTACH",
+#endif
+#if SQLITE_OMIT_AUTHORIZATION
+  "OMIT_AUTHORIZATION",
+#endif
+#if SQLITE_OMIT_AUTOINCREMENT
+  "OMIT_AUTOINCREMENT",
+#endif
+#if SQLITE_OMIT_AUTOINIT
+  "OMIT_AUTOINIT",
+#endif
+#if SQLITE_OMIT_AUTOMATIC_INDEX
+  "OMIT_AUTOMATIC_INDEX",
+#endif
+#if SQLITE_OMIT_AUTORESET
+  "OMIT_AUTORESET",
+#endif
+#if SQLITE_OMIT_AUTOVACUUM
+  "OMIT_AUTOVACUUM",
+#endif
+#if SQLITE_OMIT_BETWEEN_OPTIMIZATION
+  "OMIT_BETWEEN_OPTIMIZATION",
+#endif
+#if SQLITE_OMIT_BLOB_LITERAL
+  "OMIT_BLOB_LITERAL",
+#endif
+#if SQLITE_OMIT_BTREECOUNT
+  "OMIT_BTREECOUNT",
+#endif
+#if SQLITE_OMIT_CAST
+  "OMIT_CAST",
+#endif
+#if SQLITE_OMIT_CHECK
+  "OMIT_CHECK",
+#endif
+#if SQLITE_OMIT_COMPLETE
+  "OMIT_COMPLETE",
+#endif
+#if SQLITE_OMIT_COMPOUND_SELECT
+  "OMIT_COMPOUND_SELECT",
+#endif
+#if SQLITE_OMIT_CTE
+  "OMIT_CTE",
+#endif
+#if SQLITE_OMIT_DATETIME_FUNCS
+  "OMIT_DATETIME_FUNCS",
+#endif
+#if SQLITE_OMIT_DECLTYPE
+  "OMIT_DECLTYPE",
+#endif
+#if SQLITE_OMIT_DEPRECATED
+  "OMIT_DEPRECATED",
+#endif
+#if SQLITE_OMIT_DISKIO
+  "OMIT_DISKIO",
+#endif
+#if SQLITE_OMIT_EXPLAIN
+  "OMIT_EXPLAIN",
+#endif
+#if SQLITE_OMIT_FLAG_PRAGMAS
+  "OMIT_FLAG_PRAGMAS",
+#endif
+#if SQLITE_OMIT_FLOATING_POINT
+  "OMIT_FLOATING_POINT",
+#endif
+#if SQLITE_OMIT_FOREIGN_KEY
+  "OMIT_FOREIGN_KEY",
+#endif
+#if SQLITE_OMIT_GET_TABLE
+  "OMIT_GET_TABLE",
+#endif
+#if SQLITE_OMIT_INCRBLOB
+  "OMIT_INCRBLOB",
+#endif
+#if SQLITE_OMIT_INTEGRITY_CHECK
+  "OMIT_INTEGRITY_CHECK",
+#endif
+#if SQLITE_OMIT_LIKE_OPTIMIZATION
+  "OMIT_LIKE_OPTIMIZATION",
+#endif
+#if SQLITE_OMIT_LOAD_EXTENSION
+  "OMIT_LOAD_EXTENSION",
+#endif
+#if SQLITE_OMIT_LOCALTIME
+  "OMIT_LOCALTIME",
+#endif
+#if SQLITE_OMIT_LOOKASIDE
+  "OMIT_LOOKASIDE",
+#endif
+#if SQLITE_OMIT_MEMORYDB
+  "OMIT_MEMORYDB",
+#endif
+#if SQLITE_OMIT_OR_OPTIMIZATION
+  "OMIT_OR_OPTIMIZATION",
+#endif
+#if SQLITE_OMIT_PAGER_PRAGMAS
+  "OMIT_PAGER_PRAGMAS",
+#endif
+#if SQLITE_OMIT_PRAGMA
+  "OMIT_PRAGMA",
+#endif
+#if SQLITE_OMIT_PROGRESS_CALLBACK
+  "OMIT_PROGRESS_CALLBACK",
+#endif
+#if SQLITE_OMIT_QUICKBALANCE
+  "OMIT_QUICKBALANCE",
+#endif
+#if SQLITE_OMIT_REINDEX
+  "OMIT_REINDEX",
+#endif
+#if SQLITE_OMIT_SCHEMA_PRAGMAS
+  "OMIT_SCHEMA_PRAGMAS",
+#endif
+#if SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS
+  "OMIT_SCHEMA_VERSION_PRAGMAS",
+#endif
+#if SQLITE_OMIT_SHARED_CACHE
+  "OMIT_SHARED_CACHE",
+#endif
+#if SQLITE_OMIT_SUBQUERY
+  "OMIT_SUBQUERY",
+#endif
+#if SQLITE_OMIT_TCL_VARIABLE
+  "OMIT_TCL_VARIABLE",
+#endif
+#if SQLITE_OMIT_TEMPDB
+  "OMIT_TEMPDB",
+#endif
+#if SQLITE_OMIT_TRACE
+  "OMIT_TRACE",
+#endif
+#if SQLITE_OMIT_TRIGGER
+  "OMIT_TRIGGER",
+#endif
+#if SQLITE_OMIT_TRUNCATE_OPTIMIZATION
+  "OMIT_TRUNCATE_OPTIMIZATION",
+#endif
+#if SQLITE_OMIT_UTF16
+  "OMIT_UTF16",
+#endif
+#if SQLITE_OMIT_VACUUM
+  "OMIT_VACUUM",
+#endif
+#if SQLITE_OMIT_VIEW
+  "OMIT_VIEW",
+#endif
+#if SQLITE_OMIT_VIRTUALTABLE
+  "OMIT_VIRTUALTABLE",
+#endif
+#if SQLITE_OMIT_WAL
+  "OMIT_WAL",
+#endif
+#if SQLITE_OMIT_WSD
+  "OMIT_WSD",
+#endif
+#if SQLITE_OMIT_XFER_OPT
+  "OMIT_XFER_OPT",
+#endif
+#if SQLITE_PERFORMANCE_TRACE
+  "PERFORMANCE_TRACE",
+#endif
+#if SQLITE_PROXY_DEBUG
+  "PROXY_DEBUG",
+#endif
+#if SQLITE_RTREE_INT_ONLY
+  "RTREE_INT_ONLY",
+#endif
+#if SQLITE_SECURE_DELETE
+  "SECURE_DELETE",
+#endif
+#if SQLITE_SMALL_STACK
+  "SMALL_STACK",
+#endif
+#if SQLITE_SOUNDEX
+  "SOUNDEX",
+#endif
+#if SQLITE_SYSTEM_MALLOC
+  "SYSTEM_MALLOC",
+#endif
+#if SQLITE_TCL
+  "TCL",
+#endif
+#if defined(SQLITE_TEMP_STORE) && !defined(SQLITE_TEMP_STORE_xc)
+  "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE),
+#endif
+#if SQLITE_TEST
+  "TEST",
+#endif
+#if defined(SQLITE_THREADSAFE)
+  "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE),
+#endif
+#if SQLITE_UNTESTABLE
+  "UNTESTABLE"
+#endif
+#if SQLITE_USE_ALLOCA
+  "USE_ALLOCA",
+#endif
+#if SQLITE_USER_AUTHENTICATION
+  "USER_AUTHENTICATION",
+#endif
+#if SQLITE_WIN32_MALLOC
+  "WIN32_MALLOC",
+#endif
+#if SQLITE_ZERO_MALLOC
+  "ZERO_MALLOC"
+#endif
+};
+
+/*
+** Given the name of a compile-time option, return true if that option
+** was used and false if not.
+**
+** The name can optionally begin with "SQLITE_" but the "SQLITE_" prefix
+** is not required for a match.
+*/
+int sqlite3_compileoption_used(const char *zOptName){
+  int i, n;
+
+#if SQLITE_ENABLE_API_ARMOR
+  if( zOptName==0 ){
+    (void)SQLITE_MISUSE_BKPT;
+    return 0;
+  }
+#endif
+  if( sqlite3StrNICmp(zOptName, "SQLITE_", 7)==0 ) zOptName += 7;
+  n = sqlite3Strlen30(zOptName);
+
+  /* Since ArraySize(azCompileOpt) is normally in single digits, a
+  ** linear search is adequate.  No need for a binary search. */
+  for(i=0; i<ArraySize(azCompileOpt); i++){
+    if( sqlite3StrNICmp(zOptName, azCompileOpt[i], n)==0
+     && sqlite3IsIdChar((unsigned char)azCompileOpt[i][n])==0
+    ){
+      return 1;
+    }
+  }
+  return 0;
+}
+
+/*
+** Return the N-th compile-time option string.  If N is out of range,
+** return a NULL pointer.
+*/
+const char *sqlite3_compileoption_get(int N){
+  if( N>=0 && N<ArraySize(azCompileOpt) ){
+    return azCompileOpt[N];
+  }
+  return 0;
+}
+
+#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */