Thanks. Obviously it's going to take awhile to remember my C.
Jack
----- Original Message -----
From: "Dan Kennedy" <danielk1...@gmail.com>
To: "General Discussion of SQLite Database" <sqlite-users@sqlite.org>
Sent: Saturday, October 03, 2009 1:05 PM
Subject: Re: [sqlite] Need help To Get Started with SQLITE
>
> On Oct 4, 2009, at 12:01 AM, jack wrote:
>
>> I just setting out to learn how to use sqlite3 (3.6.18). Obviouly
>> I'm missing some very important points.
>>
>> The very simple test app below is to open (and create) an sql
>> datbase then close it
>>
>> Using windows XP. Using a precompiled .LIB. I confirmed the version
>> number from the command line.
>>
>> It bombs!
>>
>> #include <iostream>
>> #include "sqlite3.h"
>> int main()
>> {
>> using namespace std;
>> std::string dbName = "C:\\SQL DATABASES\\first_try.db";
>> const char * c_dbName = dbName.c_str();
>> sqlite3 **db;
>> int rc;
>>
>> rc = sqlite3_open( "X", db );
>
> The above causes SQLite to dereference pointer db, which is
> uninitialized.
> You want something like:
>
> sqlite3 *db;
> sqlite3_open("X", &db);
> ...
> sqlite3_close(db);
>
>
>
>
>> sqlite3_close( *db );
>> return 0;
>> }
>>
>>
>> I tracked down in sqlite3.c where it bombed.
>>
>> #if !SQLITE_OS_WINCE && !defined(__CYGWIN__)
>> int nByte;
>> void *zConverted;
>> char *zOut;
>> UNUSED_PARAMETER(nFull);
>> zConverted = convertUtf8Filename(zRelative);
>> if( isNT() ){
>> WCHAR *zTemp;
>> nByte = GetFullPathNameW((WCHAR*)zConverted, 0, 0, 0) + 3;
>> zTemp = malloc( nByte*sizeof(zTemp[0]) );
>> if( zTemp==0 ){
>> free(zConverted);
>> return SQLITE_NOMEM; <<<<<******* GOT TO HERE THEN BOMBED
>> }
>> GetFullPathNameW((WCHAR*)zConverted, nByte, zTemp, 0);
>> free(zConverted);
>> zOut = unicodeToUtf8(zTemp);
>> free(zTemp);
>>
>>
>> Jack
>>
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>> sqlite-users@sqlite.org
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>
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