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Remove PAGE_SIZE from hastd

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It may not be known at compile time so we should detect it at run time.

Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D35118
This commit is contained in:
Andrew Turner 2022-05-03 14:59:33 +01:00
parent d843dd0e1a
commit ea578b34cb
1 changed files with 11 additions and 7 deletions
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18
sbin/hastd/ebuf.c
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@ -70,12 +70,14 @@ struct ebuf *
ebuf_alloc(size_t size)
{
struct ebuf *eb;
size_t page_size;
int rerrno;
eb = malloc(sizeof(*eb));
if (eb == NULL)
return (NULL);
size += PAGE_SIZE;
page_size = getpagesize();
size += page_size;
eb->eb_start = malloc(size);
if (eb->eb_start == NULL) {
rerrno = errno;
@ -88,7 +90,7 @@ ebuf_alloc(size_t size)
* We set start address for real data not at the first entry, because
* we want to be able to add data at the front.
*/
eb->eb_used = eb->eb_start + PAGE_SIZE / 4;
eb->eb_used = eb->eb_start + page_size / 4;
eb->eb_size = 0;
eb->eb_magic = EBUF_MAGIC;
@ -215,17 +217,18 @@ static int
ebuf_head_extend(struct ebuf *eb, size_t size)
{
unsigned char *newstart, *newused;
size_t newsize;
size_t newsize, page_size;
PJDLOG_ASSERT(eb != NULL && eb->eb_magic == EBUF_MAGIC);
newsize = eb->eb_end - eb->eb_start + (PAGE_SIZE / 4) + size;
page_size = getpagesize();
newsize = eb->eb_end - eb->eb_start + (page_size / 4) + size;
newstart = malloc(newsize);
if (newstart == NULL)
return (-1);
newused =
newstart + (PAGE_SIZE / 4) + size + (eb->eb_used - eb->eb_start);
newstart + (page_size / 4) + size + (eb->eb_used - eb->eb_start);
bcopy(eb->eb_used, newused, eb->eb_size);
@ -243,11 +246,12 @@ static int
ebuf_tail_extend(struct ebuf *eb, size_t size)
{
unsigned char *newstart;
size_t newsize;
size_t newsize, page_size;
PJDLOG_ASSERT(eb != NULL && eb->eb_magic == EBUF_MAGIC);
newsize = eb->eb_end - eb->eb_start + size + ((3 * PAGE_SIZE) / 4);
page_size = getpagesize();
newsize = eb->eb_end - eb->eb_start + size + ((3 * page_size) / 4);
newstart = realloc(eb->eb_start, newsize);
if (newstart == NULL)