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Fix freeaddrinfo(), which did not match allocation in JS. #16085

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Merged
merged 1 commit into from
Jan 21, 2022
Merged

Fix freeaddrinfo(), which did not match allocation in JS. #16085

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8 changes: 8 additions & 0 deletions system/lib/libc/musl/src/network/freeaddrinfo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,19 @@

void freeaddrinfo(struct addrinfo *p)
{
#if __EMSCRIPTEN__
// Emscripten's usage of this structure is very simple: we always allocate
// ai_addr, and do not use the linked list aspect at all. There is also no
// aliasing with aibuf.
free(p->ai_addr);
free(p);
#else
size_t cnt;
for (cnt=1; p->ai_next; cnt++, p=p->ai_next);
struct aibuf *b = (void *)((char *)p - offsetof(struct aibuf, ai));
b -= b->slot;
LOCK(b->lock);
if (!(b->ref -= cnt)) free(b);
else UNLOCK(b->lock);
#endif
}