[sql] Move time-machine support from third_party/sqlite to sql/

third_party/sqlite/amalgamation/sqlite3.c

Index: third_party/sqlite/amalgamation/sqlite3.c
diff --git a/third_party/sqlite/amalgamation/sqlite3.c b/third_party/sqlite/amalgamation/sqlite3.c
index 97d1ab9912109aba2d8c6268f4967449c2b4b28c..09fb4874fbfbb9eb8c96c2a48d9d929d2e8402d4 100644
--- a/third_party/sqlite/amalgamation/sqlite3.c
+++ b/third_party/sqlite/amalgamation/sqlite3.c
@@ -13995,16 +13995,6 @@ SQLITE_PRIVATE int sqlite3CantopenError(int);
 #endif
 
 /*
-** The CoreServices.h and CoreFoundation.h headers are needed for excluding a
-** -journal file from Time Machine backups when its associated database has
-** previously been excluded by the client code.
-*/
-#if defined(__APPLE__)
-#include <CoreServices/CoreServices.h>
-#include <CoreFoundation/CoreFoundation.h>
-#endif
-
-/*
 ** The following macros mimic the standard library functions toupper(),
 ** isspace(), isalnum(), isdigit() and isxdigit(), respectively. The
 ** sqlite versions only work for ASCII characters, regardless of locale.
@@ -48994,20 +48984,6 @@ SQLITE_PRIVATE void sqlite3PagerUnref(DbPage *pPg){
   if( pPg ) sqlite3PagerUnrefNotNull(pPg);
 }
 
-#if defined(__APPLE__)
-/*
-** Create and return a CFURLRef given a cstring containing the path to a file.
-*/
-static CFURLRef create_cfurl_from_cstring(const char* filePath){
-  CFStringRef urlString = CFStringCreateWithFileSystemRepresentation(
-      kCFAllocatorDefault, filePath);
-  CFURLRef urlRef = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
-      urlString, kCFURLPOSIXPathStyle, FALSE);
-  CFRelease(urlString);
-  return urlRef;
-}
-#endif
-
 /*
 ** This function is called at the start of every write transaction.
 ** There must already be a RESERVED or EXCLUSIVE lock on the database 
@@ -49072,24 +49048,6 @@ static int pager_open_journal(Pager *pPager){
 #else
           rc = sqlite3OsOpen(pVfs, pPager->zJournal, pPager->jfd, flags, 0);
 #endif
-#if defined(__APPLE__)
-          /* Set the TimeMachine exclusion metadata for the journal if it has
-          ** been set for the database. Only do this for unix-type vfs
-          ** implementations. */
-          if( rc==SQLITE_OK && pPager->zFilename!=NULL
-           && strlen(pPager->zFilename)>0
-           && strncmp(pVfs->zName, "unix", 4)==0
-           && ( pVfs->zName[4]=='-' || pVfs->zName[4]=='\0' ) ){
-            CFURLRef database = create_cfurl_from_cstring(pPager->zFilename);
-            if( CSBackupIsItemExcluded(database, NULL) ){
-              CFURLRef journal = create_cfurl_from_cstring(pPager->zJournal);
-              /* Ignore errors from the following exclusion call. */
-              CSBackupSetItemExcluded(journal, TRUE, FALSE);
-              CFRelease(journal);
-            }
-            CFRelease(database);
-          }
-#endif
         }
       }
       assert( rc!=SQLITE_OK || isOpen(pPager->jfd) );
@@ -145687,7 +145645,7 @@ static int porterClose(sqlite3_tokenizer_cursor *pCursor){
 /*
 ** Vowel or consonant
 */
-static const char vOrCType[] = {
+static const char cType[] = {
    0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0,
    1, 1, 1, 2, 1
 };
@@ -145711,7 +145669,7 @@ static int isConsonant(const char *z){
   char x = *z;
   if( x==0 ) return 0;
   assert( x>='a' && x<='z' );
-  j = vOrCType[x-'a'];
+  j = cType[x-'a'];
   if( j<2 ) return j;
   return z[1]==0 || isVowel(z + 1);
 }
@@ -145720,7 +145678,7 @@ static int isVowel(const char *z){
   char x = *z;
   if( x==0 ) return 0;
   assert( x>='a' && x<='z' );
-  j = vOrCType[x-'a'];
+  j = cType[x-'a'];
   if( j<2 ) return 1-j;
   return isConsonant(z + 1);
 }