creating a command

[shell steppe]

Im trying to create a command "background" that runs a program in the background, and redirects standard in, out, and error. (this command should take at least four arguments)

void background(char *file){
        int filename = open(file, O_CREAT | O_TRUNC | O_WRONLY); //with O_CREAT -> no effect if file already exists
        //O_TRUNC -> reset its content if it does exist
        dup2(filename, STDOUT_FILENO);
        close(filename);

}
the command should ignore any > or & characters included

i get the error: "error: call to ‘__open_missing_mode’ declared with attribute error: open with O_CREAT or O_TMPFILE in second argument needs 3 arguments
50 | __open_missing_mode ()"

[blissful fable]

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[sinful agate]

looks like open () needs a third argument when using O_CREAT that tells it what mode to create the file with

[blissful fable]

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