make dll.c robust against it being listed in its configuration file...

From: Jochen Eisinger (jochen.eisinger@gno.de)
Date: Mon Oct 16 2000 - 06:50:32 PDT

  • Next message: mh: "Re: Problems with saned/net backend"

    Hi!

    What about just checking the backend name against "dll" while reading
    the dll.conf? This avoids that dll segfaults if dll is listed in the
    dll.conf.

     If someone modifies the Makefile to preload dll or renames the library,
    he can't be helped, but this patch avoids that someone adds dll to
    dll.conf by accident.

    -- jochen

    --- backend/dll.c Sun Sep 24 13:21:59 2000
    +++ ../sane2/backend/dll.c Mon Oct 16 15:43:06 2000
    @@ -203,6 +203,12 @@
     
       DBG(1, "adding backend %s\n", name);
     
    + if (strcmp(name,"dll") == 0)
    + {
    + DBG( 0, "remove the dll-backend from your dll.conf !!!\n");
    + return SANE_STATUS_GOOD;
    + }
    +
       for (prev = 0, be = first_backend; be; prev = be, be = be->next)
         if (strcmp (be->name, name) == 0)
           { 

    --
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