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Description: Avoid overloading on 32 bit architectures
unsigned and size_t are equivalent on 32 bit architectures,
so only define the size_t based overload of advance on 64
bit architectures.
https://wiki.debian.org/ArchitectureSpecificsMemo
Author: James Page <james.page@ubuntu.com>, Bernd Zeimetz <bzed@debian.org>
Forwarded: no
--- a/src/include/buffer.h
+++ b/src/include/buffer.h
@@ -737,7 +737,12 @@ inline namespace v14_2_0 {
void advance(int o) = delete;
void advance(unsigned o);
+
+// unsigned and size_t are equivalent on 32bit architectures.
+// so casting is only needed when not on 32bit.
+#if defined(UINTPTR_MAX) && UINTPTR_MAX > 0xffffffff
void advance(size_t o) { advance(static_cast<unsigned>(o)); }
+#endif
void seek(unsigned o);
char operator*() const;
iterator_impl& operator++();
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