Re: #! and argv[0]: the path is removed before invoking the interpreter

From: Kevin Layer (layer@franz.com)
Date: Wed Feb 16 2000 - 16:32:32 EST

  • Next message: Erik Andersen: "Re: Of removable devices"

    >> > I believe the behavior of #! on Solaris goes all the way back to BSD
    >> > in of the early 80's. FreeBSD 3.0 behaves as Solaris does.
    >> >
    >> > I hope this considered a bug. If there willingness to take a patch for
    >> > it, I might work on making the fix.
    >>
    >> Im not sure about bug, but its certainly worth behaving the same way as
    >> everyone else in this case if its appropriate to do so. Take a look at
    >> the fs/binfmt* code and sure - send a patch
    >>

    I've been running with this for a while, and it works like a charm:

    diff -c ./fs/binfmt_script.c,0 ./fs/binfmt_script.c
    *** ./fs/binfmt_script.c,0 Thu Aug 20 14:32:48 1998
    --- ./fs/binfmt_script.c Wed Feb 16 13:30:04 2000
    ***************
    *** 47,54 ****
    --- 47,56 ----
            i_name_start = i_name = cp;
            i_arg = 0;
            for ( ; *cp && (*cp != ' ') && (*cp != '\t'); cp++) {
    + #if 0
                    if (*cp == '/')
                            i_name = cp+1;
    + #endif
            }
            while ((*cp == ' ') || (*cp == '\t'))
                    *cp++ = '\0';

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