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- /*
- * setbuf.c --
- *
- * Source code for the "setbuf" library procedure.
- *
- * Copyright 1988 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: setbuf.c,v 1.1 88/06/10 16:23:57 ouster Exp $ SPRITE (Berkeley)";
- #endif not lint
-
- #include "stdio.h"
-
- /*
- *----------------------------------------------------------------------
- *
- * setbuf --
- *
- * Use a user-allocated buffer for a stdio stream.
- *
- * Results:
- * None.
- *
- * Side effects:
- * From now on, buf will be used as the buffer for stream. If
- * buf is NULL, then the stream will be unbuffered.
- *
- *----------------------------------------------------------------------
- */
-
- void
- setbuf(stream, buf)
- FILE *stream; /* Stream to be re-buffered. */
- char *buf; /* Buffer area; must hold at least BUFSIZ
- * bytes, and must live as long as stream
- * does. NULL means stream should be
- * unbuffered. */
- {
- if (buf == 0) {
- (void) setvbuf(stream, buf, _IONBF, 1);
- } else {
- (void) setvbuf(stream, buf, _IOFBF, BUFSIZ);
- }
- }
-