lmdb/SOURCES/lmdb-covscan.patch

38 lines
1.0 KiB
Diff

diff -up ./libraries/liblmdb/midl.c.fix ./libraries/liblmdb/midl.c
--- ./libraries/liblmdb/midl.c.fix 2019-06-19 11:10:07.791337785 +0200
+++ ./libraries/liblmdb/midl.c 2019-06-19 11:16:04.005166705 +0200
@@ -120,9 +120,15 @@ void mdb_midl_free(MDB_IDL ids)
void mdb_midl_shrink( MDB_IDL *idp )
{
MDB_IDL ids = *idp;
- if (*(--ids) > MDB_IDL_UM_MAX &&
- (ids = realloc(ids, (MDB_IDL_UM_MAX+2) * sizeof(MDB_ID))))
+ MDB_IDL res = NULL;
+ if (*(--ids) > MDB_IDL_UM_MAX)
{
+ res = realloc(ids, (MDB_IDL_UM_MAX+2) * sizeof(MDB_ID));
+ if (res)
+ ids = res;
+ else
+ return;
+
*ids++ = MDB_IDL_UM_MAX;
*idp = ids;
}
@@ -131,10 +137,13 @@ void mdb_midl_shrink( MDB_IDL *idp )
static int mdb_midl_grow( MDB_IDL *idp, int num )
{
MDB_IDL idn = *idp-1;
+ MDB_IDL res = NULL;
/* grow it */
- idn = realloc(idn, (*idn + num + 2) * sizeof(MDB_ID));
- if (!idn)
+ res = realloc(idn, (*idn + num + 2) * sizeof(MDB_ID));
+ if (!res)
return ENOMEM;
+ else
+ idn = res;
*idn++ += num;
*idp = idn;
return 0;