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authorMarkus Mittendrein <git@maxmitti.tk>2019-03-18 16:50:16 +0100
committerMarkus Mittendrein <git@maxmitti.tk>2019-03-18 16:50:16 +0100
commit24c860a7285c5874ebe480f00c9a1e240567c94b (patch)
treebb5f4e71457a2371f5d8abfab5351cef90ab6e85 /src
parentecd14ab39b0a44d246f4d50507dcc28d8abc1787 (diff)
downloadcc4group-24c860a7285c5874ebe480f00c9a1e240567c94b.tar.gz
cc4group-24c860a7285c5874ebe480f00c9a1e240567c94b.zip
Add a check to cc4group_uncompressGroup that should always fail, but may be helpful for debugging a problem with the windows build
Diffstat (limited to 'src')
-rw-r--r--src/cc4group.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cc4group.c b/src/cc4group.c
index 5b7fe98..0a8a3bd 100644
--- a/src/cc4group.c
+++ b/src/cc4group.c
@@ -657,6 +657,12 @@ static bool cc4group_uncompressGroup(CC4Group* const this, CC4Group_ReadCallback
currentSize += uncompressedSize;
+ if(currentSize == 0)
+ {
+ SET_MESSAGE_ERROR("Bug: the computed size of the whole uncompressed group somehow turned out to be 0");
+ goto ret;
+ }
+
uncompressedData = cc4group_tmpMemoryStrategy(this, currentSize, &tmpCleanup);
if(uncompressedData == NULL)
{