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Swap (OpenBSD): fix mem leaks

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李通洲
2025-03-31 18:45:51 +08:00
parent a091d209cf
commit 1133cb619b
1 changed files with 7 additions and 4 deletions
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src/detection/swap/swap_obsd.c
+7 -4
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@@ -10,21 +10,24 @@ const char* ffDetectSwap(FFSwapResult* swap)
{
int nswap = swapctl(SWAP_NSWAP, 0, 0);
if (nswap < 0) return "swapctl(SWAP_NSWAP) failed";
if (nswap == 0) NULL;
if (nswap == 0) return NULL;
struct swapent* swdev = malloc((uint32_t) nswap * sizeof(*swdev));
FF_AUTO_FREE struct swapent* swdev = malloc((uint32_t) nswap * sizeof(*swdev));
if (swapctl(SWAP_STATS, swdev, nswap) < 0)
return "swapctl(SWAP_STATS) failed";
uint64_t swapTotal = 0, swapUsed = 0;
for (int i = 0; i < nswap; i++)
{
if (swdev[i].se_flags & SWF_ENABLE)
{
swap->bytesUsed += (uint64_t) swdev[i].se_inuse * DEV_BSIZE;
swap->bytesTotal += (uint64_t) swdev[i].se_nblks * DEV_BSIZE;
swapUsed += (uint64_t) swdev[i].se_inuse;
swapTotal += (uint64_t) swdev[i].se_nblks;
}
}
swap->bytesUsed = swapUsed * DEV_BSIZE;
swap->bytesTotal = swapTotal * DEV_BSIZE;
return NULL;
}