Fix a problem in the shell preventing it from working with

SQLITE_OMIT_AUTOINIT builds.

FossilOrigin-Name: 89209000a205c685bb6bd941376ef16e507919d192d606c1be110ccf2921d9bd

manifest

@@ -1,5 +1,5 @@
-C Lemon\senhancements:\s\s(1)\sDo\snot\sallocate\sspace\sfor\sthe\s'error'\snon-terminal\nif\sit\sis\snot\sused.\s(2)\sFix\san\soff-by-one\sproblem\sso\sthat\s'unsigned\schar'\scan\nbe\sused\sfor\ssymbol\snumbers\sif\sthe\snumber\sof\ssymbols\sis\s256.
-D 2018-04-16T14:31:34.763
+C Fix\sa\sproblem\sin\sthe\sshell\spreventing\sit\sfrom\sworking\swith\nSQLITE_OMIT_AUTOINIT\sbuilds.
+D 2018-04-18T09:16:11.382
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 7016fc56c6b9bfe5daac4f34be8be38d8c0b5fab79ccbfb764d3b23bf1c6fff3
@@ -492,7 +492,7 @@ F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 F src/resolve.c b3ace63b0470cb0063c2acc3a1dcb95eb432be45ed3c931854694f8a000cd763
 F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
 F src/select.c 3e84cb869930aa8fcacd3acbb1a0ec2d82736c8479d6a4367a5f1a926fb8a763
-F src/shell.c.in cc960721e56ebc1a78773bb5d2f5608b54275f945cbe49e4afe919d6888062a7
+F src/shell.c.in 7fbdc5c59265f50f266f45e822234d2c0911b96486b41a2970b19157f5bb3b37
 F src/sqlite.h.in e0be726ea6e4e6571724d39d242472ecd8bd1ba6f84ade88e1641bde98a6d02b
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 83a3c4ce93d650bedfd1aa558cb85a516bd6d094445ee989740827d0d944368d
@@ -1717,7 +1717,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P f94528e1c70765c8649750b2d9c17f23e81f191554ff56d905a9abe3fb6037b7
-R 18b312f44245c8bb0efcaee081107bdf
-U drh
-Z 3fd29baec877178d68467f0290bb20cf
+P 3b7801acff91905d0e78e06121ebcf2664f6de5f605699dc8726ec9bcb558eb8
+R a0146e2418a1016db3981cef5d6586f3
+U dan
+Z 637909db0518eab1f4c770ca4f8eeed3

manifest.uuid

@@ -1 +1 @@
-3b7801acff91905d0e78e06121ebcf2664f6de5f605699dc8726ec9bcb558eb8
+89209000a205c685bb6bd941376ef16e507919d192d606c1be110ccf2921d9bd

src/shell.c.in

@@ -3484,7 +3484,6 @@ static int deduceDatabaseType(const char *zName, int dfltZip){
 */
 static void open_db(ShellState *p, int keepAlive){
   if( p->db==0 ){
-    sqlite3_initialize();
     if( p->openMode==SHELL_OPEN_UNSPEC && access(p->zDbFilename,0)==0 ){
       p->openMode = (u8)deduceDatabaseType(p->zDbFilename, 0);
     }
@@ -8025,7 +8024,6 @@ static void process_sqliterc(
                       " cannot read ~/.sqliterc\n");
       return;
     }
-    sqlite3_initialize();
     zBuf = sqlite3_mprintf("%s/.sqliterc",home_dir);
     sqliterc = zBuf;
   }
@@ -8173,6 +8171,7 @@ int SQLITE_CDECL wmain(int argc, wchar_t **wargv){
   int readStdin = 1;
   int nCmd = 0;
   char **azCmd = 0;
+  const char *zVfs = 0;           /* Value of -vfs command-line option */
 
   setBinaryMode(stdin, 0);
   setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */
@@ -8332,13 +8331,7 @@ int SQLITE_CDECL wmain(int argc, wchar_t **wargv){
       sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i));
       sqlite3_config(SQLITE_CONFIG_MMAP_SIZE, sz, sz);
     }else if( strcmp(z,"-vfs")==0 ){
-      sqlite3_vfs *pVfs = sqlite3_vfs_find(cmdline_option_value(argc,argv,++i));
-      if( pVfs ){
-        sqlite3_vfs_register(pVfs, 1);
-      }else{
-        utf8_printf(stderr, "no such VFS: \"%s\"\n", argv[i]);
-        exit(1);
-      }
+      zVfs = cmdline_option_value(argc, argv, ++i);
 #ifdef SQLITE_HAVE_ZLIB
     }else if( strcmp(z,"-zip")==0 ){
       data.openMode = SHELL_OPEN_ZIPFILE;
@@ -8355,6 +8348,20 @@ int SQLITE_CDECL wmain(int argc, wchar_t **wargv){
 #endif
     }
   }
+
+  /* All the sqlite3_config() calls have now been made. So it is safe
+  ** to call sqlite3_initialize() and process any command line -vfs option. */
+  sqlite3_initialize();
+  if( zVfs ){
+    sqlite3_vfs *pVfs = sqlite3_vfs_find(zVfs);
+    if( pVfs ){
+      sqlite3_vfs_register(pVfs, 1);
+    }else{
+      utf8_printf(stderr, "no such VFS: \"%s\"\n", argv[i]);
+      exit(1);
+    }
+  }
+
   if( data.zDbFilename==0 ){
 #ifndef SQLITE_OMIT_MEMORYDB
     data.zDbFilename = ":memory:";