cosmopolitan/test/libc/calls/openatemp_test.c
Justine Tunney f531acc8f9
Make improvements
- Invent openatemp() API
- Invent O_UNLINK open flag
- Introduce getenv_secure() API
- Remove `git pull` from cosmocc
- Fix utimes() when path is NULL
- Fix mktemp() to never return NULL
- Fix utimensat() UTIME_OMIT on XNU
- Improve utimensat() code for RHEL5
- Turn `argv[0]` C:/ to /C/ on Windows
- Introduce tmpnam() and tmpnam_r() APIs
- Fix more const issues with internal APIs
- Permit utimes() on WIN32 in O_RDONLY mode
- Fix fdopendir() to check fd is a directory
- Fix recent crash regression in landlock make
- Fix futimens(AT_FDCWD, NULL) to return EBADF
- Use workaround so `make -j` doesn't fork bomb
- Rename dontdiscard to __wur (just like glibc)
- Fix st_size for WIN32 symlinks containing UTF-8
- Introduce stdio ext APIs needed by GNU coreutils
- Fix lstat() on WIN32 for symlinks to directories
- Move some constants from normalize.inc to limits.h
- Fix segv with memchr() and memcmp() overlapping page
- Implement POSIX fflush() behavior for reader streams
- Implement AT_SYMLINK_NOFOLLOW for utimensat() on WIN32
- Don't change read-only status of existing files on WIN32
- Correctly handle `0x[^[:xdigit:]]` case in strtol() functions
2023-09-06 12:34:59 -07:00

115 lines
4.6 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2023 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/stat.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/limits.h"
#include "libc/mem/gc.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/at.h"
#include "libc/sysv/consts/o.h"
#include "libc/temp.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
char testlib_enable_tmp_setup_teardown;
TEST(openatemp, test) {
char path[] = "foo.XXXXXX";
ASSERT_SYS(0, 3, openatemp(AT_FDCWD, path, 0, O_CLOEXEC, 0));
ASSERT_NE(0, strcmp(path, "foo.XXXXXX"));
EXPECT_TRUE(fileexists(path));
EXPECT_SYS(0, 0, close(3));
}
TEST(openatemp, dirfd) {
ASSERT_SYS(0, 3, open(kTmpPath, O_RDONLY | O_DIRECTORY));
char path[] = "foo.XXXXXX.txt";
ASSERT_SYS(0, 4, openatemp(3, path, 4, 0, 0));
EXPECT_TRUE(fileexists(gc(xjoinpaths(kTmpPath, path))));
EXPECT_SYS(0, 0, close(4));
EXPECT_SYS(0, 0, close(3));
}
TEST(openatemp, unlink) {
char path[] = "foo.XXXXXX";
ASSERT_SYS(0, 3, openatemp(AT_FDCWD, path, 0, O_UNLINK, 0));
EXPECT_SYS(0, 0, close(3));
EXPECT_FALSE(fileexists(path));
}
TEST(openatemp, mode) {
if (IsWindows()) return;
unsigned omask = umask(0);
char path[] = "foo.XXXXXX";
ASSERT_SYS(0, 3, openatemp(AT_FDCWD, path, 0, 0, 0764));
struct stat st;
ASSERT_SYS(0, 0, stat(path, &st));
ASSERT_SYS(0, 0, fstat(3, &st));
EXPECT_EQ(0100764, st.st_mode);
EXPECT_SYS(0, 0, close(3));
umask(omask);
}
TEST(openatemp, tooFewX_EINVAL) {
char path[] = "foo.XXXXX";
ASSERT_SYS(EINVAL, -1, openatemp(AT_FDCWD, path, 0, O_CLOEXEC, 0));
}
TEST(openatemp, suffixTooFewX_EINVAL) {
char path[] = "foo.XXXXX.txt";
ASSERT_SYS(EINVAL, -1, openatemp(AT_FDCWD, path, 4, O_CLOEXEC, 0));
}
TEST(openatemp, badSuffixLen_EINVAL) {
char path[] = "foo.XXXXXX";
ASSERT_SYS(EINVAL, -1, openatemp(AT_FDCWD, path, -1, O_CLOEXEC, 0));
ASSERT_SYS(EINVAL, -1, openatemp(AT_FDCWD, path, -6, O_CLOEXEC, 0));
ASSERT_SYS(EINVAL, -1, openatemp(AT_FDCWD, path, 11, O_CLOEXEC, 0));
ASSERT_SYS(EINVAL, -1, openatemp(AT_FDCWD, path, 99, O_CLOEXEC, 0));
}
TEST(openatemp, missingDir_ENOENT) {
char path[] = "missing/foo.XXXXXX";
ASSERT_SYS(ENOENT, -1, openatemp(AT_FDCWD, path, 0, O_CLOEXEC, 0));
}
TEST(openatemp, notDir_ENOTDIR) {
char path[] = "regular/foo.XXXXXX";
ASSERT_SYS(0, 0, touch("regular", 0644));
ASSERT_SYS(ENOTDIR, -1, openatemp(AT_FDCWD, path, 0, O_CLOEXEC, 0));
}
TEST(mktemp, fails_returnsEmptyString) {
char path[] = "regular/foo.XXXXXX";
ASSERT_SYS(0, 0, touch("regular", 0644));
ASSERT_STREQ("", mktemp(path));
ASSERT_STREQ("", path);
ASSERT_EQ(ENOTDIR, errno);
errno = 0;
}
TEST(mkstemp, fails_returnsNull) {
char path[] = "regular/foo.XXXXXX";
ASSERT_SYS(0, 0, touch("regular", 0644));
ASSERT_SYS(ENOTDIR, -1, mkstemp(path));
ASSERT_STREQ("regular/foo.XXXXXX", path);
}