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fixed a build break on AARCH64.

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Eric van Beurden 2021-04-09 16:07:27 -04:00 committed by Joshua Kriegshauser
parent 00ac6d1d8e
commit fc142b4f9c
1 changed files with 36 additions and 37 deletions
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73
client/TracyProfiler.cpp
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@ -175,6 +175,42 @@ struct ThreadHandleWrapper
}; };
#endif #endif
static const char* GetEnvVar(const char* name, char* buffer, size_t maxLen)
{
#if defined _WIN32 || defined __CYGWIN__
// unfortunately getenv() on Windows is just fundamentally broken. It caches the entire
// environment block once on startup, then never refreshes it again. If any environment
// strings are added or modified after startup of the CRT, those changes will not be
// seen by getenv(). This removes the possibility of an app using this SDK from
// programmatically setting any of the behaviour controlling envvars here.
//
// To work around this, we'll instead go directly to the Win32 environment strings APIs
// to get the current value.
DWORD count = GetEnvironmentVariableA(name, buffer, maxLen);
if( count == 0 )
return nullptr;
if( count >= maxLen )
{
char* buf = reinterpret_cast<char*>(_alloca(count + 1));
count = GetEnvironmentVariableA(name, buf, count + 1);
memcpy(buffer, buf, maxLen);
buffer[maxLen - 1] = 0;
}
return buffer;
#else
const char* value = getenv(name);
if (value == nullptr)
return nullptr;
strncpy(buffer, value, maxLen);
buffer[maxLen - 1] = 0;
return buffer;
#endif
}
#if defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 #if defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64
static inline void CpuId( uint32_t* regs, uint32_t leaf ) static inline void CpuId( uint32_t* regs, uint32_t leaf )
@ -225,43 +261,6 @@ static void InitFailure( const char* msg )
exit( 0 ); exit( 0 );
} }
static const char* GetEnvVar(const char* name, char* buffer, size_t maxLen)
{
#if defined _WIN32 || defined __CYGWIN__
// unfortunately getenv() on Windows is just fundamentally broken. It caches the entire
// environment block once on startup, then never refreshes it again. If any environment
// strings are added or modified after startup of the CRT, those changes will not be
// seen by getenv(). This removes the possibility of an app using this SDK from
// programmatically setting any of the behaviour controlling envvars here.
//
// To work around this, we'll instead go directly to the Win32 environment strings APIs
// to get the current value.
DWORD count = GetEnvironmentVariableA(name, buffer, maxLen);
if( count == 0 )
return nullptr;
if( count >= maxLen )
{
char* buf = reinterpret_cast<char*>(_alloca(count + 1));
count = GetEnvironmentVariableA(name, buf, count + 1);
memcpy(buffer, buf, maxLen);
buffer[maxLen - 1] = 0;
}
return buffer;
#else
const char* value = getenv(name);
if (value == nullptr)
return nullptr;
strncpy(buffer, value, maxLen);
buffer[maxLen - 1] = 0;
return buffer;
#endif
}
static int64_t SetupHwTimer() static int64_t SetupHwTimer()
{ {
#if !defined TRACY_TIMER_QPC && !defined TRACY_TIMER_FALLBACK #if !defined TRACY_TIMER_QPC && !defined TRACY_TIMER_FALLBACK