ckolivas/lrzip
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Fix the page size rounding for mmap to work properly.

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Con Kolivas 2010-10-31 17:02:12 +11:00
parent 25705aec28
commit 19c2769061
1 changed files with 2 additions and 2 deletions
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4
rzip.c
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@ -562,7 +562,7 @@ static void rzip_chunk(struct rzip_state *st, int fd_in, int fd_out, i64 offset,
static void round_to_page_size(i64 *chunk)
{
unsigned long page_size = sysconf(_SC_PAGE_SIZE);
i64 pages = *chunk / page_size + 1;
i64 pages = *chunk / page_size;
*chunk = pages * page_size;
}
@ -609,6 +609,7 @@ void rzip_fd(int fd_in, int fd_out)
fprintf(control.msgout, "Byte width: %d\n", st->chunk_bytes);
chunk_window = control.window * CHUNK_MULTIPLE;
round_to_page_size(&chunk_window);
st->level = &levels[MIN(9, control.window)];
st->fd_in = fd_in;
@ -636,7 +637,6 @@ void rzip_fd(int fd_in, int fd_out)
chunk = chunk_window;
if (chunk > len)
chunk = len;
round_to_page_size(&chunk);
limit = chunk;
st->chunk_size = chunk;
if (control.flags & FLAG_VERBOSE)