fastfetch/src/detection/memory/memory_bsd.c

#include "memory.h"
#include "common/sysctl.h"

void ffDetectMemory(FFMemoryStorage* ram)
{
    uint32_t pageSize = (uint32_t) ffSysctlGetInt("hw.pagesize", 0);
    if(pageSize == 0)
    {
        ffStrbufAppendS(&ram->error, "Failed to read hw.pagesize");
        return;
    }

    ram->bytesTotal = (uint64_t) ffSysctlGetInt64("vm.stats.vm.v_page_count", 0) * pageSize;
    if(ram->bytesTotal == 0)
    {
        ffStrbufAppendS(&ram->error, "Failed to read vm.stats.vm.v_page_count");
        return;
    }

    ram->bytesUsed = ram->bytesTotal
        - (uint64_t) ffSysctlGetInt64("vm.stats.vm.v_free_count", 0) * pageSize
        - (uint64_t) ffSysctlGetInt64("vm.stats.vm.v_inactive_count", 0) * pageSize
    ;
}