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- 1.2
- date 92.04.21.14.12.21; author kupfer; state Exp;
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- 1.1
- date 92.04.19.17.50.53; author kupfer; state Exp;
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- desc
- @Like malloc, but guarantees that the result is page-aligned.
- @
-
-
- 1.2
- log
- @Lint. Fix so can be used in the kernel.
- @
- text
- @/*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #if defined(LIBC_SCCS) && !defined(lint)
- static char sccsid[] = "@@(#)valloc.c 5.5 (Berkeley) 2/23/91";
- static char rcsid[] = "$Header: /sprite/lib/forms/RCS/proto.c,v 1.6 92/03/02 15:29:56 bmiller Exp $ SPRITE (Berkeley)";
- #endif /* LIBC_SCCS and not lint */
-
- #include <cfuncproto.h>
- #include <stdlib.h>
- #include <unistd.h>
- #ifdef KERNEL
- #include <vm.h>
- #endif
-
- _VoidPtr
- valloc(i)
- size_t i;
- {
- int valsiz;
- int j;
- _VoidPtr cp;
-
- #ifdef KERNEL
- valsiz = vm_PageSize;
- #else
- valsiz = getpagesize();
- #endif
- cp = malloc(i + (valsiz-1));
- j = ((int)cp + (valsiz-1)) &~ (valsiz-1);
- return ((_VoidPtr)j);
- }
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d36 1
- d39 1
- d42 3
- d46 1
- a46 1
- void *
- d50 3
- a52 2
- int valsiz = getpagesize(), j;
- void *cp = malloc(i + (valsiz-1));
- d54 6
- d61 1
- a61 1
- return ((void *)j);
- @
-