From: James Page james.page@ubuntu.com, Bernd Zeimetz <bzed@debian.org>
Date: Sun, 13 Dec 2020 15:33:57 +0000 (+0000)
Subject: Avoid overloading on 32 bit architectures
X-Git-Tag: archive/raspbian/14.2.15-4+rpi1^2~15
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e6278596873d46f994ae58931d861b2584adb243;p=ceph.git

Avoid overloading on 32 bit architectures

Forwarded: no

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

Gbp-Pq: Name 32bit-avoid-overloading.patch
---

diff --git a/src/include/buffer.h b/src/include/buffer.h
index 774ca0522..ef94302de 100644
--- 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++();