mirror of
https://github.com/jart/cosmopolitan.git
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0d748ad58e
This change fixes Cosmopolitan so it has fewer opinions about compiler warnings. The whole repository had to be cleaned up to be buildable in -Werror -Wall mode. This lets us benefit from things like strict const checking. Some actual bugs might have been caught too.
80 lines
4.2 KiB
C
80 lines
4.2 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/hoststxt.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/stdio/stdio.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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static const char *parseip(unsigned char ip[4]) {
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static char g_ipbuf[16];
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return inet_ntop(AF_INET, ip, g_ipbuf, sizeof(g_ipbuf));
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}
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TEST(ParseHostsTxt, testEmpty) {
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struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
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FILE *f = fmemopen(NULL, BUFSIZ, "r+");
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ASSERT_EQ(0, ParseHostsTxt(ht, f));
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ASSERT_EQ(0, ht->entries.i);
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FreeHostsTxt(&ht);
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fclose(f);
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}
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TEST(ParseHostsTxt, testCorrectlyTokenizesAndSorts) {
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const char kInput[] = "# this is a comment\n"
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"# IP HOST1 HOST2\n"
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"203.0.113.1 lol.example. lol\n"
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"203.0.113.2 cat.example. cat\n";
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struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
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FILE *f = fmemopen(NULL, BUFSIZ, "r+");
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ASSERT_EQ(1, fwrite(kInput, strlen(kInput), 1, f));
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rewind(f);
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ASSERT_EQ(0, ParseHostsTxt(ht, f));
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ASSERT_EQ(4, ht->entries.i);
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EXPECT_STREQ("lol.example.", &ht->strings.p[ht->entries.p[0].name]);
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EXPECT_STREQ("lol.example.", &ht->strings.p[ht->entries.p[0].canon]);
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EXPECT_STREQ("203.0.113.1", parseip(ht->entries.p[0].ip));
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EXPECT_STREQ("lol", &ht->strings.p[ht->entries.p[1].name]);
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EXPECT_STREQ("lol.example.", &ht->strings.p[ht->entries.p[1].canon]);
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EXPECT_STREQ("203.0.113.1", parseip(ht->entries.p[1].ip));
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EXPECT_STREQ("cat.example.", &ht->strings.p[ht->entries.p[2].name]);
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EXPECT_STREQ("cat.example.", &ht->strings.p[ht->entries.p[2].canon]);
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EXPECT_STREQ("203.0.113.2", parseip(ht->entries.p[2].ip));
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EXPECT_STREQ("cat", &ht->strings.p[ht->entries.p[3].name]);
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EXPECT_STREQ("cat.example.", &ht->strings.p[ht->entries.p[3].canon]);
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EXPECT_STREQ("203.0.113.2", parseip(ht->entries.p[3].ip));
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FreeHostsTxt(&ht);
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fclose(f);
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}
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TEST(ParseHostsTxt, testIpv6_isIgnored) {
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const char kInput[] = "::1 boop\n"
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"203.0.113.2 cat # ignore me\n";
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struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
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FILE *f = fmemopen((void *)kInput, strlen(kInput), "r+");
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ASSERT_EQ(0, ParseHostsTxt(ht, f));
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ASSERT_EQ(1, ht->entries.i);
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EXPECT_STREQ("cat", &ht->strings.p[ht->entries.p[0].name]);
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EXPECT_STREQ("cat", &ht->strings.p[ht->entries.p[0].canon]);
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EXPECT_STREQ("203.0.113.2", parseip(ht->entries.p[0].ip));
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FreeHostsTxt(&ht);
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fclose(f);
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}
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