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authorScott Murray <scott.murray@konsulko.com>2021-07-12 15:51:18 -0400
committerScott Murray <scott.murray@konsulko.com>2021-07-12 20:48:08 +0000
commitc5c15f86d2eaaa5ac72f0ac00634a978326daae9 (patch)
treedd23637a7c453c663e3070f67bcfbf1bfd8cdfc8 /include/afb/c++/binding-wrap.hpp
parent9a8aea1b682f522d7b278312b9bd85ed12fab820 (diff)
Changes for compiling with gcc 11.x: - g++ now seems to instantiate duplicate entries for the set member function in the contextclass template class in binding-wrap.hpp. The use of a closure as a default argument value seems to be the culprit, as it seems there are longstanding issues with respect to using closures like that and resulting symbol names (i.e. the use of a closure isn't necessarily recognized as generating unique instantiations). In theory, C++17 should explicitly allow this when the closure has no captures, but bumping up to -std=gnu++17 did not fix the issue. To avoid it, replace the closure usage with a private static member function. - In afb-hook.c, tweaked the ignoring of the writev return code to make the stricter checking in gcc 11 happy. - In decode_base64 in wrap-json.c, initialize u16 as gcc now seems to miss that it will be initialized on the first loop iteration. Bug-AGL: SPEC-3819 Signed-off-by: Scott Murray <scott.murray@konsulko.com> Change-Id: I8876db196b46cc35ecd2798e20d5ec3425df865e
Diffstat (limited to 'include/afb/c++/binding-wrap.hpp')
-rw-r--r--include/afb/c++/binding-wrap.hpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/afb/c++/binding-wrap.hpp b/include/afb/c++/binding-wrap.hpp
index f94d1bc5..b798cf11 100644
--- a/include/afb/c++/binding-wrap.hpp
+++ b/include/afb/c++/binding-wrap.hpp
@@ -300,6 +300,7 @@ public:
friend class req;
afb_req_t req_;
contextclass(afb_req_t r) : req_(r) {}
+ static void default_destroyer(T*t) { delete t; }
public:
inline operator T *() const { return get(); }
@@ -312,7 +313,7 @@ public:
nullptr));
}
- inline void set(T *value, void (*destroyer)(T*) = [](T*t){delete t;}) const {
+ inline void set(T *value, void (*destroyer)(T*) = default_destroyer) const {
afb_req_context(req_, 1,
nullptr,
reinterpret_cast<void(*)(void*)>(destroyer),