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Fix Xcode 14 sprintf deprecation warning

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We use snprintf when stdc is set to C++11, however in C++98 mode we can't use variadic macros,
and Xcode 14 complains about the use of sprintf.

It should be safe however to use variadic macros on any remotely recent version of clang on Apple,
unless -pedantic is defined which warns against the use of variadic macros in C++98 mode...

This change fixes the problem for the builds that don't specify -pedantic, which is a problem for
another day.
This commit is contained in:
Arseny Kapoulkine 2022-11-06 10:12:22 -08:00
parent a0e0643363
commit 8be081fbbe
1 changed files with 2 additions and 0 deletions
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src/pugixml.cpp
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@ -143,6 +143,8 @@ using std::memset;
# define PUGI__SNPRINTF(buf, ...) snprintf(buf, sizeof(buf), __VA_ARGS__) # define PUGI__SNPRINTF(buf, ...) snprintf(buf, sizeof(buf), __VA_ARGS__)
#elif defined(PUGI__MSVC_CRT_VERSION) && PUGI__MSVC_CRT_VERSION >= 1400 #elif defined(PUGI__MSVC_CRT_VERSION) && PUGI__MSVC_CRT_VERSION >= 1400
# define PUGI__SNPRINTF(buf, ...) _snprintf_s(buf, _countof(buf), _TRUNCATE, __VA_ARGS__) # define PUGI__SNPRINTF(buf, ...) _snprintf_s(buf, _countof(buf), _TRUNCATE, __VA_ARGS__)
#elif defined(__APPLE__) && __clang_major__ >= 14 && !defined(__STRICT_ANSI__) // Xcode 14 marks snprintf as deprecated while still using C++98 by default
# define PUGI__SNPRINTF(buf, ...) snprintf(buf, sizeof(buf), __VA_ARGS__)
#else #else
# define PUGI__SNPRINTF sprintf # define PUGI__SNPRINTF sprintf
#endif #endif