[unix-history] / usr / src / lib / libc / gen / valloc.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)valloc.c	5.5 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <stdlib.h>
#include <unistd.h>

void *
valloc(i)
	size_t i;
{
	int valsiz = getpagesize(), j;
	void *cp = malloc(i + (valsiz-1));

	j = ((int)cp + (valsiz-1)) &~ (valsiz-1);
	return ((void *)j);
}
Commit	Line	Data
bb0cfa24 DF	1	/*
bb0cfa24 DF	2	* Copyright (c) 1980 Regents of the University of California.
21fad3ef KB	3	* All rights reserved.
21fad3ef KB	4	*
269a7923	5	* %sccs.include.redist.c%
bb0cfa24 DF	6	*/
bb0cfa24 DF	7
2ce81398	8	#if defined(LIBC_SCCS) && !defined(lint)
c5980113	9	static char sccsid[] = "@(#)valloc.c 5.5 (Berkeley) %G%";
21fad3ef	10	#endif /* LIBC_SCCS and not lint */
feea7534	11
c5980113 DS	12	#include <stdlib.h>
c5980113 DS	13	#include <unistd.h>
feea7534	14
c5980113	15	void *
feea7534	16	valloc(i)
c5980113	17	size_t i;
feea7534	18	{
8b4f574e	19	int valsiz = getpagesize(), j;
c5980113	20	void *cp = malloc(i + (valsiz-1));
feea7534	21
8b4f574e	22	j = ((int)cp + (valsiz-1)) &~ (valsiz-1);
c5980113	23	return ((void *)j);
feea7534	24	}