Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>

int
access(char *name, int mode)
{
        int fd;
        Dir *db;
        static char omode[] = {
                0,
                OEXEC,
                OWRITE,
                ORDWR,
                OREAD,
                OEXEC,  /* only approximate */
                ORDWR,
                ORDWR   /* only approximate */
        };

        if(mode == AEXIST){
                db = dirstat(name);
                free(db);
                if(db != nil)
                        return 0;
                return -1;
        }
        fd = open(name, omode[mode&7]);
        if(fd >= 0){
                close(fd);
                return 0;
        }
        return -1;
}