> -----Original Message----- > From: Dennis Jenkins [mailto:[EMAIL PROTECTED] > Sent: Wednesday, June 07, 2006 11:46 AM > To: sqlite-users@sqlite.org > Subject: Re: [sqlite] DLLs containing user-defined SQL functions > > Robert Simpson wrote: > >> -----Original Message----- > >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > >> Sent: Wednesday, June 07, 2006 10:36 AM > >> To: sqlite-users@sqlite.org > >> Subject: Re: [sqlite] DLLs containing user-defined SQL functions > >> > >> > > > Pardon my ignorance about *nix, but what happens during > this whole global > > symbol mapping thing if two libraries both export the same > function name? > > > > > > The PE (exe,dll,sys) file format on Windows defines an import table. > Each entry in the import table has both a DLL name AND a > symbol name (or > ordinal import). It is perfectly valid for one PE file to import two > objects from two different PEs that both have the same symbol name. > Convincing your compiler/linker to produce such a PE import table is > left as an exercise to the reader ;)
I know how Windows works -- being a Windows programmer :) I was asking about how *nix works. On the surface the *nix way resolving these global symbols seemed like a keen way for some kind of injection attack or something.
