The undocumented and unsupported ".selftest" command in the command-line

shell utility is now only available if compiled with SQLITE_DEBUG.  Also
fix a windows compiler warning in that command.

FossilOrigin-Name: e88fd5b22198edfc6f91390194bdde07ca06ba35

manifest

@@ -1,5 +1,5 @@
-C Add\sextended\serror\scode\sSQLITE_BUSY_SNAPSHOT\s-\sreturned\sin\sWAL\smode\swhen\sa\sread-transaction\scannot\sbe\supgraded\sto\sa\swrite-transaction\sbecause\sit\sis\sreading\sfrom\sa\ssnapshot\sother\sthan\sthe\smost\srecently\scommitted.
-D 2013-06-27T11:46:27.416
+C The\sundocumented\sand\sunsupported\s".selftest"\scommand\sin\sthe\scommand-line\nshell\sutility\sis\snow\sonly\savailable\sif\scompiled\swith\sSQLITE_DEBUG.\s\sAlso\nfix\sa\swindows\scompiler\swarning\sin\sthat\scommand.
+D 2013-06-27T13:01:21.431
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 5e41da95d92656a5004b03d3576e8b226858a28e
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -217,7 +217,7 @@ F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
 F src/resolve.c 89f9003e8316ee3a172795459efc2a0274e1d5a8
 F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
 F src/select.c 91b62654caf8dfe292fb8882715e575d34ad3874
-F src/shell.c 92cbe95eadc1c423422d36beac3609a9422889d1
+F src/shell.c fab2f606a82871c9f0862b79db7305e230a1bb97
 F src/sqlite.h.in 9e8d57aa4d2fdc181dc25e9aa295f5ecec7e184a
 F src/sqlite3.rc fea433eb0a59f4c9393c8e6d76a6e2596b1fe0c0
 F src/sqlite3ext.h d936f797812c28b81b26ed18345baf8db28a21a5
@@ -1098,7 +1098,7 @@ F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
 F tool/wherecosttest.c f407dc4c79786982a475261866a161cd007947ae
 F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
-P 93f632152e464a89322a0130adaf9f342411bf7d
-R d0186b84b9d50e701c6abd78c4c5b68c
-U dan
-Z cd0c18144512c4d9ba009e500eaa5fc3
+P 361c22969aa75340ed696e00e3dc5d17d5493bee
+R 52837f7d4da2db768acfe7016d71fba7
+U drh
+Z f3345aa28aafc2e60fbdaabb70077fb7

manifest.uuid

@@ -1 +1 @@
-361c22969aa75340ed696e00e3dc5d17d5493bee
+e88fd5b22198edfc6f91390194bdde07ca06ba35

src/shell.c

@@ -2437,6 +2437,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
+#ifdef SQLITE_DEBUG
   /* Undocumented commands for internal testing.  Subject to change
   ** without notice. */
   if( c=='s' && n>=10 && strncmp(azArg[0], "selftest-", 9)==0 ){
@@ -2450,11 +2451,14 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     if( strncmp(azArg[0]+9, "integer", n-9)==0 ){
       int i; sqlite3_int64 v;
       for(i=1; i<nArg; i++){
+        char zBuf[200];
         v = integerValue(azArg[i]);
-        fprintf(p->out, "%s: %lld 0x%llx\n", azArg[i], v, v);
+        sqlite3_snprintf(sizeof(zBuf), zBuf, "%s: %lld 0x%llx\n", azArg[i], v, v);
+        fprintf(p->out, "%s", zBuf);
       }
     }
   }else
+#endif
 
   if( c=='s' && strncmp(azArg[0], "separator", n)==0 && nArg==2 ){
     sqlite3_snprintf(sizeof(p->separator), p->separator,