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2bd1e72d5a
We can put this back the moment someone requests it. Pain-free garbage collection for the C language is pretty cool. All it does is overwrite the return address with a trampoline that calls free(). It's not clear what it should be named if it's made a public API.
49 lines
2.8 KiB
C
49 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dns/dns.h"
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#include "libc/dns/dnsheader.h"
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#include "libc/mem/mem.h"
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#include "libc/rand/rand.h"
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#include "libc/runtime/gc.internal.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/testlib/testlib.h"
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TEST(serializednsheader, test) {
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struct DnsHeader header;
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memset(&header, 0, sizeof(header));
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header.id = 255;
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header.bf1 = true;
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header.qdcount = 1;
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uint8_t *buf = malloc(12);
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ASSERT_EQ(12, serializednsheader(buf, 12, header));
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EXPECT_BINEQ(u" λ☺ ☺ ", buf);
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free(buf);
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}
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TEST(serializednsheader, fuzzSymmetry) {
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uint8_t *buf;
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struct DnsHeader *in, *out;
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buf = gc(malloc(12));
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in = rngset(gc(malloc(sizeof(struct DnsHeader))), 12, rand64, -1);
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out = rngset(gc(malloc(sizeof(struct DnsHeader))), 12, rand64, -1);
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ASSERT_EQ(12, serializednsheader(buf, 12, *in));
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ASSERT_EQ(12, deserializednsheader(out, buf, 12));
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ASSERT_EQ(0, memcmp(in, out, 12), "%#.*s\n\t%#.*s", 12, in, 12, buf);
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}
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