Clean up properly in the QPF1 font engine

We have to munmap() what we have mmap()ed

Reviewed-by: Gunnar
Reviewed-by: Jeremy
(cherry picked from commit 2ffcf454806d0167c36bb626f07c3cc969206709)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gui/text/qfontengine_qws.cpp b/src/gui/text/qfontengine_qws.cpp
index a042a5a..8938050 100644
--- a/src/gui/text/qfontengine_qws.cpp
+++ b/src/gui/text/qfontengine_qws.cpp
@@ -380,6 +380,8 @@ class QFontEngineQPF1Data
 public:
     QPFFontMetrics fm;
     QPFGlyphTree *tree;
+    void *mmapStart;
+    size_t mmapLength;
 };
 
 
@@ -409,6 +411,8 @@ QFontEngineQPF1::QFontEngineQPF1(const QFontDef&, const QString &fn)
     ::close(f);
 
     d = new QFontEngineQPF1Data;
+    d->mmapStart = data;
+    d->mmapLength = st.st_size;
     memcpy(reinterpret_cast<char*>(&d->fm),data,sizeof(d->fm));
 
     data += sizeof(d->fm);
@@ -430,6 +434,8 @@ QFontEngineQPF1::QFontEngineQPF1(const QFontDef&, const QString &fn)
 
 QFontEngineQPF1::~QFontEngineQPF1()
 {
+    if (d->mmapStart)
+        munmap(d->mmapStart, d->mmapLength);
     delete d->tree;
     delete d;
 }