4.3BSD - /usr/src/lib/libc/stdio/setbuffer.c

   1: /*
   2:  * Copyright (c) 1983 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #if defined(LIBC_SCCS) && !defined(lint)
   8: static char sccsid[] = "@(#)setbuffer.c	5.2 (Berkeley) 3/9/86";
   9: #endif LIBC_SCCS and not lint
  10: 
  11: #include    <stdio.h>
  12: 
  13: setbuffer(iop, buf, size)
  14:     register FILE *iop;
  15:     char *buf;
  16:     int size;
  17: {
  18:     if (iop->_base != NULL && iop->_flag&_IOMYBUF)
  19:         free(iop->_base);
  20:     iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF);
  21:     if ((iop->_base = buf) == NULL) {
  22:         iop->_flag |= _IONBF;
  23:         iop->_bufsiz = NULL;
  24:     } else {
  25:         iop->_ptr = iop->_base;
  26:         iop->_bufsiz = size;
  27:     }
  28:     iop->_cnt = 0;
  29: }
  30: 
  31: /*
  32:  * set line buffering for either stdout or stderr
  33:  */
  34: setlinebuf(iop)
  35:     register FILE *iop;
  36: {
  37:     char *buf;
  38:     extern char *malloc();
  39: 
  40:     fflush(iop);
  41:     setbuffer(iop, NULL, 0);
  42:     buf = malloc(BUFSIZ);
  43:     if (buf != NULL) {
  44:         setbuffer(iop, buf, BUFSIZ);
  45:         iop->_flag |= _IOLBF|_IOMYBUF;
  46:     }
  47: }

Defined functions

Defined variables