dist/Android.patch

diff -r -u -d orig/shell.c ./shell.c
--- orig/shell.c	2017-07-21 00:59:10.429051976 -0700
+++ ./shell.c	2017-07-21 00:59:36.616845501 -0700
@@ -35,6 +35,11 @@
 #include "sqlite3.h"
 #include <ctype.h>
 #include <stdarg.h>
+// Begin Android Add
+#ifndef NO_ANDROID_FUNCS
+#include <sqlite3_android.h>
+#endif
+// End Android Add
 
 #if !defined(_WIN32) && !defined(WIN32)
 # include <signal.h>
@@ -1737,6 +1742,21 @@
                             readfileFunc, 0, 0);
     sqlite3_create_function(db, "writefile", 2, SQLITE_UTF8, 0,
                             writefileFunc, 0, 0);
+
+    // Begin Android Add
+    #ifndef NO_ANDROID_FUNCS
+        int err = register_localized_collators(db, "en_US", 0);
+        if (err != SQLITE_OK) {
+          fprintf(stderr, "register_localized_collators() failed\n");
+          exit(1);
+        }
+        err = register_android_functions(db, 0);
+        if (err != SQLITE_OK) {
+          fprintf(stderr, "register_android_functions() failed\n");
+          exit(1);
+        }
+    #endif
+    // End Android Add
   }
 }
 
diff -r -u -d orig/sqlite3.c ./sqlite3.c
--- orig/sqlite3.c	2017-07-21 00:59:14.089023131 -0700
+++ ./sqlite3.c	2017-07-21 00:59:36.652845217 -0700
@@ -24119,6 +24119,13 @@
 */
 #if SQLITE_OS_UNIX              /* This file is used on unix only */
 
+/* Use posix_fallocate() if it is available
+*/
+#if !defined(HAVE_POSIX_FALLOCATE) \
+      && (_XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L)
+# define HAVE_POSIX_FALLOCATE 1
+#endif
+
 /*
 ** There are various methods for file locking used for concurrency
 ** control:
@@ -24670,7 +24677,12 @@
 #else
   { "pread64",      (sqlite3_syscall_ptr)0,          0  },
 #endif
+#ifdef ANDROID
+// Bionic defines pread64 using off64_t rather than off_t.
+#define osPread64   ((ssize_t(*)(int,void*,size_t,off64_t))aSyscall[10].pCurrent)
+#else
 #define osPread64   ((ssize_t(*)(int,void*,size_t,off_t))aSyscall[10].pCurrent)
+#endif
 
   { "write",        (sqlite3_syscall_ptr)write,      0  },
 #define osWrite     ((ssize_t(*)(int,const void*,size_t))aSyscall[11].pCurrent)
@@ -24688,8 +24700,14 @@
 #else
   { "pwrite64",     (sqlite3_syscall_ptr)0,          0  },
 #endif
+#ifdef ANDROID
+// Bionic defines pwrite64 using off64_t rather than off_t.
+#define osPwrite64  ((ssize_t(*)(int,const void*,size_t,off64_t))\
+                    aSyscall[13].pCurrent)
+#else
 #define osPwrite64  ((ssize_t(*)(int,const void*,size_t,off_t))\
                     aSyscall[13].pCurrent)
+#endif
 
   { "fchmod",       (sqlite3_syscall_ptr)fchmod,     0  },
 #define osFchmod    ((int(*)(int,mode_t))aSyscall[14].pCurrent)
@@ -27919,7 +27937,7 @@
   SimulateIOError( rc=1 );
   if( rc!=0 ){
     ((unixFile*)id)->lastErrno = errno;
-    return SQLITE_IOERR_FSTAT;
+    return unixLogError(SQLITE_IOERR_FSTAT, "fstat", ((unixFile*)id)->zPath);
   }
   *pSize = buf.st_size;
 
@@ -27954,7 +27972,9 @@
     i64 nSize;                    /* Required file size */
     struct stat buf;              /* Used to hold return values of fstat() */
    
-    if( osFstat(pFile->h, &buf) ) return SQLITE_IOERR_FSTAT;
+    if( osFstat(pFile->h, &buf) ) {
+      return unixLogError(SQLITE_IOERR_FSTAT, "fstat", pFile->zPath);
+    }
 
     nSize = ((nByte+pFile->szChunk-1) / pFile->szChunk) * pFile->szChunk;
     if( nSize>(i64)buf.st_size ){
@@ -28520,7 +28540,7 @@
     ** with the same permissions.
     */
     if( osFstat(pDbFd->h, &sStat) && pInode->bProcessLock==0 ){
-      rc = SQLITE_IOERR_FSTAT;
+      rc = unixLogError(SQLITE_IOERR_FSTAT, "fstat", pDbFd->zPath);
       goto shm_open_err;
     }
 
@@ -29858,7 +29878,7 @@
       *pUid = sStat.st_uid;
       *pGid = sStat.st_gid;
     }else{
-      rc = SQLITE_IOERR_FSTAT;
+      rc = unixLogError(SQLITE_IOERR_FSTAT, "stat", zDb);
     }
   }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){
     *pMode = 0600;
@@ -100910,7 +100930,7 @@
   }
   if( pDb->pSchema->file_format>SQLITE_MAX_FILE_FORMAT ){
     sqlite3SetString(pzErrMsg, db, "unsupported file format");
-    rc = SQLITE_ERROR;
+    rc = SQLITE_CORRUPT_BKPT; // Android Change from "rc = SQLITE_ERROR;"
     goto initone_error_out;
   }
 
@@ -124833,9 +124853,9 @@
 #endif
 
 #ifdef SQLITE_ENABLE_FTS3
-  if( !db->mallocFailed && rc==SQLITE_OK ){
-    rc = sqlite3Fts3Init(db);
-  }
+    if( !db->mallocFailed && rc==SQLITE_OK ){
+      rc = sqlite3Fts3Init(db);
+    }
 #endif
 
 #ifdef SQLITE_ENABLE_ICU
@@ -130729,16 +130749,28 @@
   ** module with sqlite.
   */
   if( SQLITE_OK==rc 
+#ifndef ANDROID    /* fts3_tokenizer disabled for security reasons */
    && SQLITE_OK==(rc = sqlite3Fts3InitHashTable(db, pHash, "fts3_tokenizer"))
+#endif
    && SQLITE_OK==(rc = sqlite3_overload_function(db, "snippet", -1))
    && SQLITE_OK==(rc = sqlite3_overload_function(db, "offsets", 1))
    && SQLITE_OK==(rc = sqlite3_overload_function(db, "matchinfo", 1))
    && SQLITE_OK==(rc = sqlite3_overload_function(db, "matchinfo", 2))
    && SQLITE_OK==(rc = sqlite3_overload_function(db, "optimize", 1))
   ){
+#ifdef SQLITE_ENABLE_FTS3_BACKWARDS
+    rc = sqlite3_create_module_v2(
+        db, "fts1", &fts3Module, (void *)pHash, 0
+        );
+    if(rc) return rc;
+    rc = sqlite3_create_module_v2(
+        db, "fts2", &fts3Module, (void *)pHash, 0
+        );
+    if(rc) return rc;
+#endif
     rc = sqlite3_create_module_v2(
         db, "fts3", &fts3Module, (void *)pHash, hashDestroy
-    );
+        );
     if( rc==SQLITE_OK ){
       rc = sqlite3_create_module_v2(
           db, "fts4", &fts3Module, (void *)pHash, 0