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-rw-r--r--methods/rred.cc17
1 files changed, 12 insertions, 5 deletions
diff --git a/methods/rred.cc b/methods/rred.cc
index 1a18a381c..849973e1a 100644
--- a/methods/rred.cc
+++ b/methods/rred.cc
@@ -252,13 +252,20 @@ struct EdCommand { /*{{{*/
RredMethod::State RredMethod::patchMMap(FileFd &Patch, FileFd &From, /*{{{*/
FileFd &out_file, Hashes *hash) const {
#ifdef _POSIX_MAPPED_FILES
- MMap ed_cmds(Patch, MMap::ReadOnly);
+ MMap ed_cmds(MMap::ReadOnly);
if (Patch.gzFd() != NULL) {
unsigned long mapSize = Patch.Size();
- DynamicMMap dyn(0, mapSize, 0);
- gzread(Patch.gzFd(), dyn.Data(), mapSize);
- ed_cmds = dyn;
- }
+ DynamicMMap* dyn = new DynamicMMap(0, mapSize, 0);
+ if (dyn->validData() == false) {
+ delete dyn;
+ return MMAP_FAILED;
+ }
+ dyn->AddSize(mapSize);
+ gzread(Patch.gzFd(), dyn->Data(), mapSize);
+ ed_cmds = *dyn;
+ } else
+ ed_cmds = MMap(Patch, MMap::ReadOnly);
+
MMap in_file(From, MMap::ReadOnly);
if (ed_cmds.Size() == 0 || in_file.Size() == 0)