mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2021 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/calls/struct/dirent.h"
|
|
#include "libc/calls/struct/stat.h"
|
|
#include "libc/calls/syscall_support-sysv.internal.h"
|
|
#include "libc/dce.h"
|
|
#include "libc/limits.h"
|
|
#include "libc/mem/gc.h"
|
|
#include "libc/runtime/runtime.h"
|
|
#include "libc/stdio/stdio.h"
|
|
#include "libc/str/str.h"
|
|
#include "libc/sysv/consts/at.h"
|
|
#include "libc/temp.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "libc/x/xasprintf.h"
|
|
|
|
char oldtmpdir[PATH_MAX];
|
|
|
|
bool IsDirectoryEmpty(const char *path) {
|
|
DIR *d;
|
|
bool res = true;
|
|
struct dirent *e;
|
|
ASSERT_NE(NULL, (d = opendir(path)));
|
|
while ((e = readdir(d))) {
|
|
if (!strcmp(e->d_name, ".")) continue;
|
|
if (!strcmp(e->d_name, "..")) continue;
|
|
res = false;
|
|
}
|
|
closedir(d);
|
|
return res;
|
|
}
|
|
|
|
void SetUpOnce(void) {
|
|
testlib_enable_tmp_setup_teardown();
|
|
}
|
|
|
|
void SetUp(void) {
|
|
strcpy(oldtmpdir, __get_tmpdir());
|
|
strcpy(__get_tmpdir(), ".");
|
|
}
|
|
|
|
void TearDown(void) {
|
|
strcpy(__get_tmpdir(), oldtmpdir);
|
|
}
|
|
|
|
TEST(tmpfile, test) {
|
|
FILE *f;
|
|
struct stat st;
|
|
EXPECT_TRUE(IsDirectoryEmpty(__get_tmpdir()));
|
|
f = tmpfile();
|
|
if (IsWindows()) {
|
|
EXPECT_FALSE(IsDirectoryEmpty(__get_tmpdir()));
|
|
} else {
|
|
EXPECT_TRUE(IsDirectoryEmpty(__get_tmpdir()));
|
|
}
|
|
EXPECT_SYS(0, 0, fstat(fileno(f), &st));
|
|
EXPECT_NE(010600, st.st_mode);
|
|
EXPECT_NE(-1, fputc('t', f));
|
|
EXPECT_NE(-1, fflush(f));
|
|
rewind(f);
|
|
EXPECT_EQ('t', fgetc(f));
|
|
EXPECT_EQ(0, fclose(f));
|
|
EXPECT_TRUE(IsDirectoryEmpty(__get_tmpdir()));
|
|
}
|
|
|
|
#ifndef __aarch64__
|
|
// TODO(jart): Why does this apply to pi and qemu-aarch64?
|
|
TEST(tmpfile, renameToRealFile) {
|
|
if (!(IsLinux() && __is_linux_2_6_23())) return; // need non-ancient linux
|
|
FILE *f;
|
|
f = tmpfile();
|
|
ASSERT_EQ(2, fputs("hi", f));
|
|
ASSERT_SYS(0, 0,
|
|
linkat(AT_FDCWD, _gc(xasprintf("/proc/self/fd/%d", fileno(f))),
|
|
AT_FDCWD, "real", AT_SYMLINK_FOLLOW));
|
|
ASSERT_EQ(0, fclose(f));
|
|
ASSERT_NE(NULL, (f = fopen("real", "r")));
|
|
ASSERT_EQ('h', fgetc(f));
|
|
ASSERT_EQ('i', fgetc(f));
|
|
ASSERT_EQ(0, fclose(f));
|
|
}
|
|
#endif
|