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https://github.com/jart/cosmopolitan.git
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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/' ```
123 lines
4.4 KiB
C
123 lines
4.4 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/assert.h"
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#include "libc/log/libfatal.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/symbols.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/ezbench.h"
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#include "libc/testlib/hyperion.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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void SetUpOnce(void) {
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testlib_enable_tmp_setup_teardown();
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}
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TEST(getline, testEmpty) {
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FILE *f = fmemopen("", 0, "r+");
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char *line = NULL;
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size_t linesize = 0;
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EXPECT_EQ(-1, getline(&line, &linesize, f));
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EXPECT_TRUE(feof(f));
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EXPECT_FALSE(ferror(f));
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EXPECT_EQ(0, fclose(f));
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free(line);
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}
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TEST(getline, testOneWithoutLineFeed) {
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FILE *f = fmemopen("hello", 5, "r+");
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char *line = NULL;
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size_t linesize = 0;
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ASSERT_EQ(5, getline(&line, &linesize, f));
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EXPECT_STREQ("hello", line);
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EXPECT_TRUE(feof(f));
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EXPECT_FALSE(ferror(f));
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ASSERT_EQ(-1, getline(&line, &linesize, f));
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EXPECT_EQ(0, fclose(f));
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free(line);
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}
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TEST(getline, testTwoLines) {
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const char *s = "hello\nthere\n";
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FILE *f = fmemopen((void *)s, strlen(s), "r+");
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char *line = NULL;
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size_t linesize = 0;
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ASSERT_EQ(6, getline(&line, &linesize, f));
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EXPECT_STREQ("hello\n", line);
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EXPECT_FALSE(feof(f) | ferror(f));
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ASSERT_EQ(6, getline(&line, &linesize, f));
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EXPECT_STREQ("there\n", line);
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ASSERT_EQ(-1, getline(&line, &linesize, f));
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EXPECT_STREQ("", line);
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EXPECT_EQ(0, fclose(f));
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free(line);
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}
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TEST(getline, testBinaryLine_countExcludesOnlyTheBonusNul) {
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const char s[] = "he\0\3o\n";
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FILE *f = fmemopen((void *)s, sizeof(s), "r+");
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char *line = NULL;
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size_t linesize = 0;
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ASSERT_EQ(6, getline(&line, &linesize, f));
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EXPECT_BINEQ(u"he ♥o◙ ", line);
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fclose(f);
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free(line);
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}
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void WriteHyperionFile(void) {
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FILE *f;
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ASSERT_NE(NULL, (f = fopen("hyperion.txt", "w")));
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EXPECT_EQ(1, fwrite(kHyperion, kHyperionSize, 1, f));
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EXPECT_NE(-1, fclose(f));
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}
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void ReadHyperionLines(void) {
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FILE *f;
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ssize_t rc;
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char *data = NULL;
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size_t size = 0;
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char *line = NULL;
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size_t linesize = 0;
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ASSERT_NE(NULL, (f = fopen("hyperion.txt", "r")));
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for (;;) {
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rc = getline(&line, &linesize, f);
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if (rc == -1) break;
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data = xrealloc(data, size + rc);
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memcpy(data + size, line, rc);
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size += rc;
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}
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EXPECT_TRUE(feof(f));
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ASSERT_EQ(kHyperionSize, size);
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EXPECT_EQ(0, memcmp(kHyperion, data, size));
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EXPECT_NE(-1, fclose(f));
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free(line);
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free(data);
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}
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TEST(getline, lotsOfLines_roundTrips) {
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WriteHyperionFile();
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ReadHyperionLines();
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}
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BENCH(getline, bench) {
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WriteHyperionFile();
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EZBENCH2("getline", donothing, ReadHyperionLines());
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}
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