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Eliminate msvc compiler warnings (#931)

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The sheer presence of 'std::gmtime' or 'std::localtime' gives rise to C4996 warnings in Microsofts compilers. Alas, the 'fallback(internal::null<>)'functions containing these library calls are never ADL-picked in the respective 'handle(internal::null<>)' selectors. Therefore hiding the fallbacks from msvc is perfectly fine.
This commit is contained in:
Daniela Engert 2018-11-25 09:02:06 +01:00 committed by Victor Zverovich
parent 64690d3a97
commit fecb2d6f0d
1 changed files with 4 additions and 0 deletions
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4
include/fmt/time.h
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@ -46,12 +46,14 @@ inline std::tm localtime(std::time_t time) {
bool fallback(int res) { return res == 0; } bool fallback(int res) { return res == 0; }
#if !FMT_MSC_VER
bool fallback(internal::null<>) { bool fallback(internal::null<>) {
using namespace fmt::internal; using namespace fmt::internal;
std::tm *tm = std::localtime(&time_); std::tm *tm = std::localtime(&time_);
if (tm) tm_ = *tm; if (tm) tm_ = *tm;
return tm != FMT_NULL; return tm != FMT_NULL;
} }
#endif
}; };
dispatcher lt(time); dispatcher lt(time);
if (lt.run()) if (lt.run())
@ -83,11 +85,13 @@ inline std::tm gmtime(std::time_t time) {
bool fallback(int res) { return res == 0; } bool fallback(int res) { return res == 0; }
#if !FMT_MSC_VER
bool fallback(internal::null<>) { bool fallback(internal::null<>) {
std::tm *tm = std::gmtime(&time_); std::tm *tm = std::gmtime(&time_);
if (tm) tm_ = *tm; if (tm) tm_ = *tm;
return tm != FMT_NULL; return tm != FMT_NULL;
} }
#endif
}; };
dispatcher gt(time); dispatcher gt(time);
if (gt.run()) if (gt.run())