mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-21 06:22:28 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

branches/zip: fil_create_new_single_table_tablespace():

Browse source 
Make page_zip->data point to an address different from page,
to avoid calling memcpy() with overlapping source and destination.
This commit is contained in:
marko 2006-09-20 11:14:54 +00:00
parent 7f057a4b18
commit 3b14ab95d3
1 changed files with 3 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
fil/fil0fil.c
View file

@ -2607,7 +2607,7 @@ fil_create_new_single_table_tablespace(
return(DB_ERROR);
}
buf2 = ut_malloc(2 * UNIV_PAGE_SIZE);
buf2 = ut_malloc(2 * UNIV_PAGE_SIZE + zip_size);
/* Align the memory for file i/o if we might have O_DIRECT set */
page = ut_align(buf2, UNIV_PAGE_SIZE);
@ -2658,7 +2658,8 @@ error_exit2:
} else {
page_zip_des_t page_zip;
page_zip.size = zip_size;
page_zip.data = page;
page_zip.data = page + UNIV_PAGE_SIZE;
memset(page_zip.data, 0, zip_size);
page_zip.n_blobs = page_zip.m_start = page_zip.m_end = 0;
buf_flush_init_for_writing(page, &page_zip,
ut_dulint_zero, *space_id, 0);