Add the -vfstrace option to the usage error message in the shell.

FossilOrigin-Name: baca45c549e1c144257ee657258939640120e094

manifest

@@ -1,8 +1,8 @@
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA1
 
-C Add\sthe\sVFS-trace\sshim.
-D 2011-03-16T16:56:29.108
+C Add\sthe\s-vfstrace\soption\sto\sthe\susage\serror\smessage\sin\sthe\sshell.
+D 2011-03-16T17:05:28.564
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 27701a1653595a1f2187dc61c8117e00a6c1d50f
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -180,7 +180,7 @@ F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
 F src/resolve.c 1c0f32b64f8e3f555fe1f732f9d6f501a7f05706
 F src/rowset.c 69afa95a97c524ba6faf3805e717b5b7ae85a697
 F src/select.c d24406c45dd2442eb2eeaac413439066b149c944
-F src/shell.c 1378c13b8a58e55409cc5386545ffd552de929e3
+F src/shell.c 75ec746b9661e9b5cf956ef4cd9833c0545ef037
 F src/sqlite.h.in 369c767e6b9f101d63d8e4c5e40279f975ccec08
 F src/sqlite3ext.h c90bd5507099f62043832d73f6425d8d5c5da754
 F src/sqliteInt.h 2cea3e47997e3f4d9b4f1ce62f99c35be1b5a586
@@ -917,14 +917,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P d9846834993079fb2e42d6bd2644b2154ef324d1
-R 2013b1ad097a7d85c1ea307de0fd7493
+P f49a9ef3387bd4453f5654ebe83fea445c03cf4d
+R 10a20ce6ae78a895cdea10598348f18e
 U drh
-Z 4add82de13b36ad23f5fa229ae2ae933
+Z acc5d93678df1d134e86d0d878bc7d5a
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manifest.uuid

@@ -1 +1 @@
-f49a9ef3387bd4453f5654ebe83fea445c03cf4d
+baca45c549e1c144257ee657258939640120e094

src/shell.c

@@ -2602,6 +2602,9 @@ static const char zOptions[] =
   "   -nullvalue 'text'    set text string for NULL values\n"
   "   -version             show SQLite version\n"
   "   -vfs NAME            use NAME as the default VFS\n"
+#ifdef SQLITE_ENABLE_VFSTRACE
+  "   -vfstrace            enable tracing of all VFS calls\n"
+#endif
 ;
 static void usage(int showDetail){
   fprintf(stderr,
@@ -2638,7 +2641,6 @@ int main(int argc, char **argv){
   int i;
   int rc = 0;
 
-
   Argv0 = argv[0];
   main_init(&data);
   stdin_is_interactive = isatty(0);
@@ -2696,7 +2698,7 @@ int main(int argc, char **argv){
          void *pOutArg,
          int makeDefault
       );
-      vfstrace_register("trace",0,(int(*)(const char*,void*))fputs, stderr, 1);
+      vfstrace_register("trace",0,(int(*)(const char*,void*))fputs,stderr,1);
 #endif
     }else if( strcmp(argv[i],"-vfs")==0 ){
       sqlite3_vfs *pVfs = sqlite3_vfs_find(argv[++i]);