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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/' ```
100 lines
4.5 KiB
C
100 lines
4.5 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 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/errno.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/str/str.h"
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#include "libc/sysv/consts/af.h"
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#include "libc/testlib/testlib.h"
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TEST(inet_ntop, test) {
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char buf[16];
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uint8_t localhost[4] = {127, 0, 0, 1};
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EXPECT_STREQ("127.0.0.1", inet_ntop(AF_INET, localhost, buf, sizeof(buf)));
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}
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TEST(inet_ntop, testMax) {
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char buf[16];
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uint8_t localhost[4] = {255, 255, 255, 255};
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EXPECT_STREQ("255.255.255.255",
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inet_ntop(AF_INET, localhost, buf, sizeof(buf)));
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}
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TEST(inet_ntop, testBadFamily) {
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char buf[16] = "hi";
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uint8_t localhost[4] = {127, 0, 0, 1};
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ASSERT_EQ(NULL, inet_ntop(666, localhost, buf, sizeof(buf)));
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EXPECT_EQ(EAFNOSUPPORT, errno);
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ASSERT_STREQ("hi", buf);
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}
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TEST(inet_ntop, testNoSpace) {
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char *buf = memcpy(malloc(16), "hi", 3);
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uint8_t localhost[4] = {127, 0, 0, 1};
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EXPECT_EQ(NULL, inet_ntop(AF_INET, localhost, buf, 1));
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EXPECT_EQ(ENOSPC, errno);
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ASSERT_STREQ("hi", buf);
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ASSERT_EQ(NULL, inet_ntop(AF_INET, localhost, buf, 7));
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ASSERT_STREQ("hi", buf);
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free(buf);
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}
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TEST(inet_ntop, ipv6_testMin_isJustColons) {
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char buf[46];
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uint8_t ip[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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EXPECT_STREQ("::", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
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}
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TEST(inet_ntop, ipv6_testMax) {
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char buf[46];
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uint8_t ip[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
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EXPECT_STREQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
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inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
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}
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TEST(inet_ntop, ipv6_loopback_isColonsThenJustOne) {
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char buf[46];
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uint8_t ip[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
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EXPECT_STREQ("::1", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
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}
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TEST(inet_ntop, ipv6_rfc4291example) {
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char buf[46];
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uint8_t ip[16] = {0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x08, 0x08, 0x00, 0x20, 0x0C, 0x41, 0x7A};
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EXPECT_STREQ("2001:db8::8:800:200c:417a",
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inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
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}
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TEST(inet_ntop, ipv6_leading) {
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char buf[46];
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uint8_t ip[16] = {0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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EXPECT_STREQ("1::", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
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}
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TEST(inet_ntop, ipv6_kindOfLeading) {
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char buf[46];
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uint8_t ip[16] = {0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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EXPECT_STREQ("100::", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
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}
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