sys/cmd/rc/prompt.c


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#include "rc.h"


int
prompt(ushort *flag)
{
    int fd, f = *flag;
    if(f){
        if(!readline(shell.prompt)){
            runner->flag.eof = 1;
            return 0;
        }
        fd = mapfd(0);
        write(fd, "\n\r", 2);
        shell.prompt = ">    "; // NOTE: can't use tab here: we have a hacky prompt length computation

        runner->line++;
        *flag = 0;
    }
    return 1;
}