Acca-unix.170
net.games
utzoo!decvax!ucbvax!z@CCA-UNIX
Wed Sep 23 09:19:57 1981
Restricting game usage

The solution we have adopted for restricting game usage is to have the
shell run games at lower priority.  For example, in our version of the
C shell, we have have inserted the following code at the beginning of
the texec routine in sh.exec.c:

       char gamename[100];

       if (sindex(f, "/games/") || sindex(dcwd->di_name, "/games") &&
               !access(strcat(strcpy(gamename, "/usr/games/"), f), 1))
               nice(5);

sindex is a routine which we have which returns the index of the second
string in the first, or a null pointer if the second string doesn't exist
in the first.

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