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authordrh <drh@noemail.net>2008-11-07 00:06:18 +0000
committerdrh <drh@noemail.net>2008-11-07 00:06:18 +0000
commit4c17c3fb115c10c744b710c91177f7090ae2ecb9 (patch)
tree949f60865c5c609c7944703663fb628bb93605f5 /src/os_os2.c
parent1735fa8892b658988b1e92a4bc96627ca53510c5 (diff)
downloadsqlite-4c17c3fb115c10c744b710c91177f7090ae2ecb9.tar.gz
sqlite-4c17c3fb115c10c744b710c91177f7090ae2ecb9.zip
Add documentation to make it clear that short reads from xRead in the VFS
must be zero-filled. (CVS 5867) FossilOrigin-Name: fb311d6f4098a08f05b3fac9a2a7e2a53c38bb5f
Diffstat (limited to 'src/os_os2.c')
-rw-r--r--src/os_os2.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/os_os2.c b/src/os_os2.c
index 26f905e5b..0a3b1434a 100644
--- a/src/os_os2.c
+++ b/src/os_os2.c
@@ -12,7 +12,7 @@
**
** This file contains code that is specific to OS/2.
**
-** $Id: os_os2.c,v 1.57 2008/10/13 21:46:47 pweilbacher Exp $
+** $Id: os_os2.c,v 1.58 2008/11/07 00:06:18 drh Exp $
*/
#include "sqliteInt.h"
@@ -124,6 +124,7 @@ static int os2Read(
if( got == (ULONG)amt )
return SQLITE_OK;
else {
+ /* Unread portions of the input buffer must be zero-filled */
memset(&((char*)pBuf)[got], 0, amt-got);
return SQLITE_IOERR_SHORT_READ;
}