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Make init_winver() idempotent.

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This way, anyone who needs to use the version data can quickly call
init_winver to make sure it's been set up, and not waste too much faff
redoing the actual work.
This commit is contained in:
Simon Tatham 2022-03-12 15:21:18 +00:00
parent 5de1df1b94
commit 26dcfcbd44
1 changed files with 5 additions and 0 deletions
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5
windows/utils/version.c
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@ -4,6 +4,11 @@ DWORD osMajorVersion, osMinorVersion, osPlatformId;
void init_winver(void) void init_winver(void)
{ {
static bool initialised = false;
if (initialised)
return;
initialised = true;
OSVERSIONINFO osVersion; OSVERSIONINFO osVersion;
static HMODULE kernel32_module; static HMODULE kernel32_module;
DECL_WINDOWS_FUNCTION(static, BOOL, GetVersionExA, (LPOSVERSIONINFO)); DECL_WINDOWS_FUNCTION(static, BOOL, GetVersionExA, (LPOSVERSIONINFO));