mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
0e2b1bfeed
- You can now use _gc(malloc()) in multithreaded programs - This change fixes a bug where fork() on NT disabled TLS - Fixed TLS code morphing on XNU/NT, for R8-R15 registers
88 lines
3.7 KiB
C
88 lines
3.7 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 2022 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/mem/mem.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/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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TEST(fgetln, test) {
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FILE *f;
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f = fmemopen(gc(strdup(kHyperion)), kHyperionSize, "r+");
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EXPECT_STREQ("The fall of Hyperion - a Dream\n", fgetln(f, 0));
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EXPECT_STREQ("John Keats\n", fgetln(f, 0));
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EXPECT_STREQ("\n", fgetln(f, 0));
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fclose(f);
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}
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TEST(fgetln, testGoodLastLine) {
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FILE *f;
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size_t n;
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f = fmemopen("foo\nbar\n", 8, "r");
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EXPECT_STREQ("foo\n", fgetln(f, &n));
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EXPECT_EQ(4, n);
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EXPECT_STREQ("bar\n", fgetln(f, &n));
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EXPECT_EQ(4, n);
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EXPECT_EQ(NULL, fgetln(f, 0));
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EXPECT_FALSE(ferror(f));
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EXPECT_TRUE(feof(f));
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fclose(f);
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}
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TEST(fgetln, testEvilLastLine) {
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FILE *f;
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f = fmemopen("foo\nbar", 7, "r");
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EXPECT_STREQ("foo\n", fgetln(f, 0));
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EXPECT_STREQ("bar", fgetln(f, 0));
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EXPECT_EQ(NULL, fgetln(f, 0));
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EXPECT_FALSE(ferror(f));
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EXPECT_TRUE(feof(f));
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fclose(f);
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}
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TEST(fgetln, testReadingFromStdin_doesntLeakMemory) {
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FILE *f;
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int oldstdin, pfds[2];
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oldstdin = dup(0);
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EXPECT_SYS(0, 0, pipe(pfds));
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EXPECT_SYS(0, 8, write(pfds[1], "foo\nbar\n", 8));
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EXPECT_SYS(0, 0, close(pfds[1]));
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EXPECT_SYS(0, 0, close(0));
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EXPECT_SYS(0, 0, dup(pfds[0]));
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EXPECT_SYS(0, 0, close(pfds[0]));
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EXPECT_STREQ("foo\n", fgetln(stdin, 0));
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EXPECT_STREQ("bar\n", fgetln(stdin, 0));
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EXPECT_EQ(NULL, fgetln(stdin, 0));
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EXPECT_FALSE(ferror(stdin));
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EXPECT_TRUE(feof(stdin));
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EXPECT_SYS(0, 0, close(0));
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EXPECT_SYS(0, 0, dup(oldstdin));
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clearerr(stdin);
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}
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BENCH(fgetln, bench) {
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FILE *f = fmemopen(gc(strdup(kHyperion)), kHyperionSize, "r+");
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EZBENCH2("fgetln", donothing, fgetln(f, 0));
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EZBENCH2("xgetline", donothing, free(xgetline(f)));
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fclose(f);
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}
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