Subversion Repositories planix.SVN

#include "lib.h"
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include "sys9.h"

int
close(int d)
{
        int n;
        Fdinfo *f;

        n = -1;
        f = &_fdinfo[d];
        if(d<0 || d>=OPEN_MAX || !(f->flags&FD_ISOPEN))
                errno = EBADF;
        else{
                if(f->flags&(FD_BUFFERED|FD_BUFFEREDX)) {
                        if(f->flags&FD_BUFFERED)
                                _closebuf(d);
                        f->flags &= ~FD_BUFFERED;
                }
                n = _CLOSE(d);
                if(n < 0)
                        _syserrno();
                _fdinfo[d].flags = 0;
                _fdinfo[d].oflags = 0;
                if(_fdinfo[d].name){
                        free(_fdinfo[d].name);
                        _fdinfo[d].name = 0;
                }
        }
        return n;
}