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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
61 lines
2.9 KiB
C
61 lines
2.9 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 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/calls/calls.h"
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#include "libc/calls/struct/iovec.h"
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#include "libc/mem/gc.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/sock/sock.h"
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#include "libc/sock/struct/msghdr.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/af.h"
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#include "libc/sysv/consts/sock.h"
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#include "libc/testlib/testlib.h"
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TEST(sendrecvmsg, testPingPong) {
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int fd[2];
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const char hello[] = "HELLO";
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const char world[] = "WORLD";
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struct msghdr msg;
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struct iovec data[2];
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const uint32_t hwLen = strlen(hello) + strlen(world);
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memset(&msg, 0, sizeof(msg));
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memset(&data[0], 0, sizeof(data));
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data[0].iov_base = (void *)hello;
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data[0].iov_len = strlen(hello);
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data[1].iov_base = (void *)world;
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data[1].iov_len = strlen(world); /* Don't send the '\0' */
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msg.msg_iov = &data[0];
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msg.msg_iovlen = 2;
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ASSERT_NE(-1, socketpair(AF_UNIX, SOCK_STREAM, 0, fd));
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ASSERT_EQ(hwLen, sendmsg(fd[0], &msg, 0));
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data[0].iov_base = gc(calloc(20, 1));
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data[0].iov_len = 20;
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msg.msg_iovlen = 1;
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ASSERT_EQ(hwLen, recvmsg(fd[1], &msg, 0));
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EXPECT_STREQ("HELLOWORLD", msg.msg_iov[0].iov_base);
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ASSERT_NE(-1, close(fd[0]));
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ASSERT_NE(-1, close(fd[1]));
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}
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