mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 12:03:41 +00:00
550b52abf6
- Introduce epoll_pwait() - Rewrite -ftrapv and ffs() libraries in C code - Use more FreeBSD code in math function library - Get significantly more tests passing on qemu-aarch64 - Fix many Musl long double functions that were broken on AARCH64
95 lines
3.7 KiB
C
95 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 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/dirent.h"
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#include "libc/calls/struct/stat.h"
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#include "libc/calls/syscall_support-sysv.internal.h"
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#include "libc/dce.h"
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#include "libc/mem/gc.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/stdio/temp.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/at.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/xasprintf.h"
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char testlib_enable_tmp_setup_teardown;
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char oldtmpdir[PATH_MAX];
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bool IsDirectoryEmpty(const char *path) {
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DIR *d;
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bool res = true;
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struct dirent *e;
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ASSERT_NE(NULL, (d = opendir(path)));
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while ((e = readdir(d))) {
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if (!strcmp(e->d_name, ".")) continue;
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if (!strcmp(e->d_name, "..")) continue;
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res = false;
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}
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closedir(d);
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return res;
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}
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void SetUp(void) {
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strcpy(oldtmpdir, kTmpPath);
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strcpy(kTmpPath, ".");
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}
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void TearDown(void) {
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strcpy(kTmpPath, oldtmpdir);
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}
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TEST(tmpfile, test) {
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FILE *f;
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struct stat st;
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EXPECT_TRUE(IsDirectoryEmpty(kTmpPath));
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f = tmpfile();
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if (IsWindows()) {
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EXPECT_FALSE(IsDirectoryEmpty(kTmpPath));
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} else {
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EXPECT_TRUE(IsDirectoryEmpty(kTmpPath));
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}
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EXPECT_SYS(0, 0, fstat(fileno(f), &st));
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EXPECT_NE(010600, st.st_mode);
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EXPECT_NE(-1, fputc('t', f));
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EXPECT_NE(-1, fflush(f));
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rewind(f);
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EXPECT_EQ('t', fgetc(f));
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EXPECT_EQ(0, fclose(f));
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EXPECT_TRUE(IsDirectoryEmpty(kTmpPath));
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}
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#ifndef __aarch64__
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// TODO(jart): Find way to detect qemu-aarch64
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TEST(tmpfile, renameToRealFile) {
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if (!IsLinux() || !__is_linux_2_6_23()) return;
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FILE *f;
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f = tmpfile();
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ASSERT_EQ(2, fputs("hi", f));
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ASSERT_SYS(0, 0,
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linkat(AT_FDCWD, _gc(xasprintf("/proc/self/fd/%d", fileno(f))),
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AT_FDCWD, "real", AT_SYMLINK_FOLLOW));
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ASSERT_EQ(0, fclose(f));
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ASSERT_NE(NULL, (f = fopen("real", "r")));
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ASSERT_EQ('h', fgetc(f));
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ASSERT_EQ('i', fgetc(f));
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ASSERT_EQ(0, fclose(f));
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}
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#endif
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