Hi,
Documentation says that:
"The only exception is that if SQLite is unable to allocate memory to hold
the sqlite3 object, a NULL will be written into *ppDb instead of a pointer
to the sqlite3 object"
but I see it's not entirely true. This example below stores NULL in *ppDb
even when (I think) no memory allocation problems occurs:
void TestOpenMisuse(void)
{
sqlite3 *ppDb;
int err = sqlite3_open_v2("whatever", &ppDb, SQLITE_OPEN_CREATE , 0);
if (ppDb == NULL)
{
printf("ppDb==NULL, but err==%d, sqlite3_errmsg(ppDb)==%s",
err, sqlite3_errmsg(ppDb));
}
}
Error code in this case will be err==21 (SQLITE_MISUSE) because
flag SQLITE_OPEN_CREATE cannot be there without SQLITE_OPEN_READWRITE -
which is docummented.
But sqlite3_errmsg(ppDb) will return "out of memory" (because ppDb==NULL),
which can be sometimes little misleading (for me as a SQLite newbie it was
;).
SQLite 3.7.8 (amalgamation)
--
Best regards,
Krystian Bigaj
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