Thanks! I'm not sure how I've missed it. -- Best regards, Krystian Bigaj On Oct 12, 2011 11:01 PM, "David Garfield" <garfi...@irving.iisd.sra.com> wrote:
> The documentation also says (http://sqlite.org/c3ref/open.html): > > If the 3rd parameter to sqlite3_open_v2() is not one of the > combinations shown above optionally combined with other > SQLITE_OPEN_* bits then the behavior is undefined. > > Seems like the undefined behavior was non-dangerous. > > That sqlite3_errmsg() had to guess and guessed wrong is not > surprising. > > --David Garfield > > Krystian Bigaj writes: > > 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 > > _______________________________________________ > > sqlite-users mailing list > > sqlite-users@sqlite.org > > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
