1*17443Sralph /* @(#)fwrite.c 4.3 (Berkeley) 11/29/84 */ 216550Skarels #include <stdio.h> 316550Skarels 416550Skarels fwrite(ptr, size, count, iop) 516550Skarels register char *ptr; 616550Skarels unsigned size, count; 716550Skarels register FILE *iop; 816550Skarels { 916550Skarels register int s; 1016550Skarels 1116550Skarels s = size * count; 12*17443Sralph if (iop->_flag & _IOLBF) 13*17443Sralph while (--s >= 0) { 14*17443Sralph if (--iop->_cnt > -iop->_bufsiz && *ptr != '\n') 15*17443Sralph *iop->_ptr++ = *ptr++; 16*17443Sralph else if (_flsbuf(*(unsigned char *)ptr++, iop) == EOF) 17*17443Sralph break; 18*17443Sralph } 19*17443Sralph else while (s > 0) { 2016550Skarels if (iop->_cnt < s) { 2116550Skarels if (iop->_cnt > 0) { 2216550Skarels bcopy(ptr, iop->_ptr, iop->_cnt); 2316550Skarels ptr += iop->_cnt; 2416550Skarels iop->_ptr += iop->_cnt; 2516550Skarels s -= iop->_cnt; 2616550Skarels } 27*17443Sralph if (_flsbuf(*(unsigned char *)ptr++, iop) == EOF) 2816550Skarels break; 2916550Skarels s--; 3016550Skarels } 3116550Skarels if (iop->_cnt >= s) { 3216550Skarels bcopy(ptr, iop->_ptr, s); 3316550Skarels iop->_ptr += s; 3416550Skarels iop->_cnt -= s; 3516550Skarels return (count); 3616550Skarels } 3716550Skarels } 3816550Skarels return (count - ((s + size - 1) / size)); 3916550Skarels } 40