1*21410Sdist /* 2*21410Sdist * Copyright (c) 1983 Regents of the University of California. 3*21410Sdist * All rights reserved. The Berkeley software License Agreement 4*21410Sdist * specifies the terms and conditions for redistribution. 5*21410Sdist */ 6*21410Sdist 7*21410Sdist #ifndef lint 8*21410Sdist static char sccsid[] = "@(#)setbuffer.c 5.1 (Berkeley) 05/30/85"; 9*21410Sdist #endif not lint 10*21410Sdist 118327Smckusick #include <stdio.h> 128327Smckusick 138327Smckusick setbuffer(iop, buf, size) 1417951Sserge register FILE *iop; 158327Smckusick char *buf; 168327Smckusick int size; 178327Smckusick { 188327Smckusick if (iop->_base != NULL && iop->_flag&_IOMYBUF) 198327Smckusick free(iop->_base); 208327Smckusick iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF); 218327Smckusick if ((iop->_base = buf) == NULL) { 228327Smckusick iop->_flag |= _IONBF; 238327Smckusick iop->_bufsiz = NULL; 248327Smckusick } else { 258327Smckusick iop->_ptr = iop->_base; 268327Smckusick iop->_bufsiz = size; 278327Smckusick } 288327Smckusick iop->_cnt = 0; 298327Smckusick } 3011307Smckusick 3111307Smckusick /* 3211307Smckusick * set line buffering for either stdout or stderr 3311307Smckusick */ 3411307Smckusick setlinebuf(iop) 3517951Sserge register FILE *iop; 3611307Smckusick { 3716522Skarels char *buf; 3816491Sralph extern char *malloc(); 3911307Smckusick 4011307Smckusick fflush(iop); 4116522Skarels setbuffer(iop, NULL, 0); 4216522Skarels buf = malloc(BUFSIZ); 4316522Skarels if (buf != NULL) { 4416522Skarels setbuffer(iop, buf, BUFSIZ); 4516522Skarels iop->_flag |= _IOLBF|_IOMYBUF; 4616522Skarels } 4711307Smckusick } 48