Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <bio.h>
#include "authcmdlib.h"

int
readarg(int fd, char *arg, int len)
{
        char buf[1];
        int i;

        i = 0;
        memset(arg, 0, len);
        while(read(fd, buf, 1) == 1){
                if(i < len - 1)
                        arg[i++] = *buf;
                if(*buf == '\0'){
                        arg[i] = '\0';
                        return 0;
                }
        }
        return -1;
}