Import SQLite 3.8.7.4.

third_party/sqlite/src/src/os.h

Index: third_party/sqlite/src/src/os.h
diff --git a/third_party/sqlite/src/src/os.h b/third_party/sqlite/src/src/os.h
index 7f17c203ef8dd4e75c7379f33d52937135830895..2c1b86f913bf8808fe873e675eef74c4dc899485 100644
--- a/third_party/sqlite/src/src/os.h
+++ b/third_party/sqlite/src/src/os.h
@@ -21,84 +21,10 @@
 #define _SQLITE_OS_H_
 
 /*
-** Figure out if we are dealing with Unix, Windows, or some other
-** operating system.  After the following block of preprocess macros,
-** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, SQLITE_OS_OS2, and SQLITE_OS_OTHER 
-** will defined to either 1 or 0.  One of the four will be 1.  The other 
-** three will be 0.
+** Attempt to automatically detect the operating system and setup the
+** necessary pre-processor macros for it.
 */
-#if defined(SQLITE_OS_OTHER)
-# if SQLITE_OS_OTHER==1
-#   undef SQLITE_OS_UNIX
-#   define SQLITE_OS_UNIX 0
-#   undef SQLITE_OS_WIN
-#   define SQLITE_OS_WIN 0
-#   undef SQLITE_OS_OS2
-#   define SQLITE_OS_OS2 0
-# else
-#   undef SQLITE_OS_OTHER
-# endif
-#endif
-#if !defined(SQLITE_OS_UNIX) && !defined(SQLITE_OS_OTHER)
-# define SQLITE_OS_OTHER 0
-# ifndef SQLITE_OS_WIN
-#   if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__BORLANDC__)
-#     define SQLITE_OS_WIN 1
-#     define SQLITE_OS_UNIX 0
-#     define SQLITE_OS_OS2 0
-#   elif defined(__EMX__) || defined(_OS2) || defined(OS2) || defined(_OS2_) || defined(__OS2__)
-#     define SQLITE_OS_WIN 0
-#     define SQLITE_OS_UNIX 0
-#     define SQLITE_OS_OS2 1
-#   else
-#     define SQLITE_OS_WIN 0
-#     define SQLITE_OS_UNIX 1
-#     define SQLITE_OS_OS2 0
-#  endif
-# else
-#  define SQLITE_OS_UNIX 0
-#  define SQLITE_OS_OS2 0
-# endif
-#else
-# ifndef SQLITE_OS_WIN
-#  define SQLITE_OS_WIN 0
-# endif
-#endif
-
-/*
-** Determine if we are dealing with WindowsCE - which has a much
-** reduced API.
-*/
-#if defined(_WIN32_WCE)
-# define SQLITE_OS_WINCE 1
-#else
-# define SQLITE_OS_WINCE 0
-#endif
-
-
-/*
-** Define the maximum size of a temporary filename
-*/
-#if SQLITE_OS_WIN
-# include <windows.h>
-# define SQLITE_TEMPNAME_SIZE (MAX_PATH+50)
-#elif SQLITE_OS_OS2
-# if (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3) && defined(OS2_HIGH_MEMORY)
-#  include <os2safe.h> /* has to be included before os2.h for linking to work */
-# endif
-# define INCL_DOSDATETIME
-# define INCL_DOSFILEMGR
-# define INCL_DOSERRORS
-# define INCL_DOSMISC
-# define INCL_DOSPROCESS
-# define INCL_DOSMODULEMGR
-# define INCL_DOSSEMAPHORES
-# include <os2.h>
-# include <uconv.h>
-# define SQLITE_TEMPNAME_SIZE (CCHMAXPATHCOMP)
-#else
-# define SQLITE_TEMPNAME_SIZE 200
-#endif
+#include "os_setup.h"
 
 /* If the SET_FULLSYNC macro is not defined above, then make it
 ** a no-op
@@ -111,7 +37,7 @@
 ** The default size of a disk sector
 */
 #ifndef SQLITE_DEFAULT_SECTOR_SIZE
-# define SQLITE_DEFAULT_SECTOR_SIZE 512
+# define SQLITE_DEFAULT_SECTOR_SIZE 4096
 #endif
 
 /*
@@ -194,7 +120,7 @@
 ** shared locks begins at SHARED_FIRST. 
 **
 ** The same locking strategy and
-** byte ranges are used for Unix.  This leaves open the possiblity of having
+** byte ranges are used for Unix.  This leaves open the possibility of having
 ** clients on win95, winNT, and unix all talking to the same shared file
 ** and all locking correctly.  To do so would require that samba (or whatever
 ** tool is being used for file sharing) implements locks correctly between
@@ -244,6 +170,7 @@ int sqlite3OsLock(sqlite3_file*, int);
 int sqlite3OsUnlock(sqlite3_file*, int);
 int sqlite3OsCheckReservedLock(sqlite3_file *id, int *pResOut);
 int sqlite3OsFileControl(sqlite3_file*,int,void*);
+void sqlite3OsFileControlHint(sqlite3_file*,int,void*);
 #define SQLITE_FCNTL_DB_UNCHANGED 0xca093fa0
 int sqlite3OsSectorSize(sqlite3_file *id);
 int sqlite3OsDeviceCharacteristics(sqlite3_file *id);
@@ -251,6 +178,9 @@ int sqlite3OsShmMap(sqlite3_file *,int,int,int,void volatile **);
 int sqlite3OsShmLock(sqlite3_file *id, int, int, int);
 void sqlite3OsShmBarrier(sqlite3_file *id);
 int sqlite3OsShmUnmap(sqlite3_file *id, int);
+int sqlite3OsFetch(sqlite3_file *id, i64, int, void **);
+int sqlite3OsUnfetch(sqlite3_file *, i64, void *);
+
 
 /* 
 ** Functions for accessing sqlite3_vfs methods