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-rwxr-xr-xgfx/graphite2/src/MozGrMalloc.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/gfx/graphite2/src/MozGrMalloc.h b/gfx/graphite2/src/MozGrMalloc.h
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+++ b/gfx/graphite2/src/MozGrMalloc.h
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef MOZ_GR_MALLOC_H
+#define MOZ_GR_MALLOC_H
+
+// Override malloc() and friends to call moz_xmalloc() etc, so that we get
+// predictable, safe OOM crashes rather than relying on the code to handle
+// allocation failures reliably.
+
+#include "mozilla/mozalloc.h"
+
+#if defined(XP_LINUX)
+
+#define malloc moz_xmalloc
+#define calloc moz_xcalloc
+#define realloc moz_xrealloc
+
+#else
+
+// extern "C" is needed for the Solaris build, while the inline
+// functions are needed for the MinGW build. They break gcc 5.4.0
+// on Linux however, so keep the old #define's above for Linux
+
+extern "C" inline void* malloc(size_t size)
+{
+ return moz_xmalloc(size);
+}
+
+extern "C" inline void* calloc(size_t nmemb, size_t size)
+{
+ return moz_xcalloc(nmemb, size);
+}
+
+extern "C" inline void* realloc(void *ptr, size_t size)
+{
+ return moz_xrealloc(ptr, size);
+}
+
+#endif // defined(XP_LINUX)
+
+#endif // MOZ_GR_MALLOC_H