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- /* This is file SETBUFFE.C */
- /* This file may have been modified by DJ Delorie (Jan 1991). If so,
- ** these modifications are Coyright (C) 1993 DJ Delorie, 24 Kirsten Ave,
- ** Rochester NH, 03867-2954, USA.
- */
-
- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
- */
-
- #if defined(LIBC_SCCS) && !defined(lint)
- static char sccsid[] = "@(#)setbuffer.c 5.2 (Berkeley) 3/9/86";
- #endif LIBC_SCCS and not lint
-
- #include <stdio.h>
-
- void setbuffer(iop, buf, size)
- register FILE *iop;
- char *buf;
- int size;
- {
- if (iop->_base != NULL && iop->_flag&_IOMYBUF)
- free(iop->_base);
- iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF);
- if ((iop->_base = buf) == NULL) {
- iop->_flag |= _IONBF;
- iop->_bufsiz = NULL;
- } else {
- iop->_ptr = iop->_base;
- iop->_bufsiz = size;
- }
- iop->_cnt = 0;
- }
-
- /*
- * set line buffering for either stdout or stderr
- */
- void setlinebuf(iop)
- register FILE *iop;
- {
- char *buf;
- extern char *malloc();
-
- fflush(iop);
- setbuffer(iop, NULL, 0);
- buf = malloc(BUFSIZ);
- if (buf != NULL) {
- setbuffer(iop, buf, BUFSIZ);
- iop->_flag |= _IOLBF|_IOMYBUF;
- }
- }
-