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Fix getUsableMemory() and getFreeSwapMemory() on Windows #209

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Fix getUsableMemory() and getFreeSwapMemory() on Windows #209

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13 changes: 9 additions & 4 deletions src/cbang/os/win/WinSystemInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -72,11 +72,16 @@ uint64_t WinSystemInfo::getMemoryInfo(memory_info_t type) const {
GlobalMemoryStatusEx(&info);

switch (type) {
case MEM_INFO_TOTAL: return (uint64_t)info.ullTotalPhys;
case MEM_INFO_FREE: return (uint64_t)info.ullAvailPhys;
case MEM_INFO_SWAP: return (uint64_t)info.ullAvailPageFile;
case MEM_INFO_TOTAL:
return (uint64_t)info.ullTotalPhys;

case MEM_INFO_FREE:
case MEM_INFO_USABLE:
return (uint64_t)(info.ullAvailPhys + info.ullAvailPageFile);
return (uint64_t)info.ullAvailPhys;

case MEM_INFO_SWAP:
return info.ullAvailPageFile > info.ullAvailPhys ?
(uint64_t)(info.ullAvailPageFile - info.ullAvailPhys) : 0;
}

return 0;
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