static char* get_temp_file(const char* prefix, const char* suffix)
{
int fd;
char* tmp = strmake("%s-XXXXXX%s", prefix, suffix);
#ifdef HAVE_SIGPROCMASK
sigset_t old_set;
/* block signals while manipulating the temp files list */
sigprocmask( SIG_BLOCK, &signal_mask, &old_set );
#endif
fd = mkstemps( tmp, strlen(suffix) );
if (fd == -1)
{
/* could not create it in current directory, try in /tmp */
free(tmp);
tmp = strmake("/tmp/%s-XXXXXX%s", prefix, suffix);
fd = mkstemps( tmp, strlen(suffix) );
if (fd == -1) error( "could not create temp file\n" );
}
close( fd );
strarray_add(tmp_files, tmp);
#ifdef HAVE_SIGPROCMASK
sigprocmask( SIG_SETMASK, &old_set, NULL );
#endif
return tmp;
}
/* get a name for a temp file, automatically cleaned up on exit */
char *get_temp_file_name( const char *prefix, const char *suffix )
{
char *name;
const char *ext;
int fd;
assert( nb_tmp_files < MAX_TMP_FILES );
if (!nb_tmp_files && !save_temps) atexit( cleanup_tmp_files );
if (!prefix || !prefix[0]) prefix = "winebuild";
if (!suffix) suffix = "";
if (!(ext = strchr( prefix, '.' ))) ext = prefix + strlen(prefix);
name = xmalloc( sizeof("/tmp/") + (ext - prefix) + sizeof(".XXXXXX") + strlen(suffix) );
strcpy( name, "/tmp/" );
memcpy( name + 5, prefix, ext - prefix );
strcpy( name + 5 + (ext - prefix), ".XXXXXX" );
strcat( name, suffix );
/* first try without the /tmp/ prefix */
if ((fd = mkstemps( name + 5, strlen(suffix) )) != -1)
name += 5;
else if ((fd = mkstemps( name, strlen(suffix) )) == -1)
fatal_error( "could not generate a temp file\n" );
close( fd );
tmp_files[nb_tmp_files++] = name;
return name;
}
/**
* \brief Save an image in the directory, return the short name
*/
std::string ImageDirectory::save(astro::image::ImagePtr image) {
debug(LOG_DEBUG, DEBUG_LOG, 0, "saving an image");
// create a temporary file name in the base directory
char buffer[1024];
snprintf(buffer, sizeof(buffer), "%s/XXXXXXXX.fits", basedir().c_str());
int fd = mkstemps(buffer, 5);
if (fd < 0) {
std::string cause = stringprintf("cannot create a tmp "
"image file: %s", strerror(errno));
debug(LOG_ERR, DEBUG_LOG, 0, "%s", cause.c_str());
throw std::runtime_error(cause);
}
unlink(buffer);
close(fd);
std::string fullname(buffer);
// construct the filename
std::string filename = basename(fullname);
debug(LOG_DEBUG, DEBUG_LOG, 0, "image full name: %s, filename: %s",
fullname.c_str(), filename.c_str());
// write the file
ImageDirectory::write(image, filename);
// return the filename
debug(LOG_DEBUG, DEBUG_LOG, 0, "image short name: %s",
filename.c_str());
return filename;
}
/* parse into a temporary file */
int wpp_parse_temp( const char *input, const char *output_base, char **output_name )
{
FILE *output;
int ret, fd;
char *temp_name;
if (!output_base || !output_base[0]) output_base = "wpptmp";
temp_name = pp_xmalloc( strlen(output_base) + 8 );
strcpy( temp_name, output_base );
strcat( temp_name, ".XXXXXX" );
if((fd = mkstemps( temp_name, 0 )) == -1)
{
fprintf(stderr, "Could not generate a temp name from %s\n", temp_name);
exit(2);
}
if (!(output = fdopen(fd, "wt")))
{
fprintf(stderr,"Could not open fd %s for writing\n", temp_name);
exit(2);
}
*output_name = temp_name;
ret = wpp_parse( input, output );
fclose( output );
return ret;
}
static int open_file(char *file_name, float alpha, unsigned int fft_nbits, unsigned int use_logscale, GtkImage *canvas) {
int ret, tmp_file;
char tmp_audio_fname[] = "/tmp/spektro_XXXXXX.wav";
// create tempfile for f32le pcm
tmp_file = mkstemps(tmp_audio_fname, 4);
if (tmp_file == -1) {
g_warning("open_file(): mkstemps() failed");
return -1;
}
audio_fname = strdup(tmp_audio_fname);
close(tmp_file);
// create tempfile for image
tmp_file = generate_tmp_image_fd();
if (tmp_file == -1) {
g_warning("open_file(): mkstemps() failed");
return -1;
}
// error checking for extract_raw_audio()
if ((ret = extract_raw_audio(file_name, tmp_audio_fname)) == 0) {
create_rdft_image(alpha, fft_nbits, use_logscale, tmp_audio_fname, tmp_file);
set_image(canvas, image_fname);
}
return ret;
}
void
open_blob_editor(const char *id, const char *name, unsigned int lineno)
{
const char *blob_argv[] = { "git", "cat-file", "blob", id, NULL };
char file[SIZEOF_STR];
int fd;
if (!name)
name = "unknown";
if (!string_format(file, "%s/tigblob.XXXXXX.%s", get_temp_dir(), name)) {
report("Temporary file name is too long");
return;
}
fd = mkstemps(file, strlen(name) + 1);
if (fd == -1)
report("Failed to create temporary file");
else if (!io_run_append(blob_argv, fd))
report("Failed to save blob data to file");
else
open_editor(file, lineno);
if (fd != -1)
unlink(file);
}
static int
basl_open(struct basl_fio *bf, int suffix)
{
int err;
err = 0;
if (suffix) {
strlcpy(bf->f_name, basl_stemplate, MAXPATHLEN);
bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX));
} else {
strlcpy(bf->f_name, basl_template, MAXPATHLEN);
bf->fd = mkstemp(bf->f_name);
}
if (bf->fd > 0) {
bf->fp = fdopen(bf->fd, "w+");
if (bf->fp == NULL) {
unlink(bf->f_name);
close(bf->fd);
}
} else {
err = 1;
}
return (err);
}
static int os_buf_to_tmp_file_posix(Buf *contents, Buf *suffix, Buf *out_tmp_path) {
const char *tmp_dir = getenv("TMPDIR");
if (!tmp_dir) {
tmp_dir = P_tmpdir;
}
buf_resize(out_tmp_path, 0);
buf_appendf(out_tmp_path, "%s/XXXXXX%s", tmp_dir, buf_ptr(suffix));
int fd = mkstemps(buf_ptr(out_tmp_path), buf_len(suffix));
if (fd < 0) {
return ErrorFileSystem;
}
FILE *f = fdopen(fd, "wb");
if (!f) {
zig_panic("fdopen failed");
}
size_t amt_written = fwrite(buf_ptr(contents), 1, buf_len(contents), f);
if (amt_written != (size_t)buf_len(contents))
zig_panic("write failed: %s", strerror(errno));
if (fclose(f))
zig_panic("close failed");
return 0;
}
// create and open a temporary file
static FILE *tmpfile(std::string *pathOut, const std::string &ext)
{
#ifdef _WIN32
if(apptempdir[0] == 0) {
char wintmpdir[MAX_PATH];
if (!GetTempPath(MAX_PATH, wintmpdir)) {
fprintf(stderr, "Can't determine temporary directory\n");
exit(-1);
}
sprintf(apptempdir, "%s\\alcas_%u\\", wintmpdir, unsigned(GetCurrentProcessId()));
// If this directory wasn't release the last time this process id was used we need to flush it
RemoveDirectory(apptempdir);
}
// Create a unique temp file inside the app temp dir
char tempfilepath[MAX_PATH];
unsigned id = GetTempFileName(apptempdir, "alc", 0, tempfilepath);
if(id == 0) {
fprintf(stderr, "Can't create temporary file\n");
exit(-1);
}
// Append the ".as" suffix to the temp file name
char tempfilepathex[MAX_PATH];
sprintf(tempfilepathex, "%s.as", tempfilepath);
// Now go and create the real temp file
HANDLE h = CreateFile(tempfilepathex, GENERIC_WRITE, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
fprintf(stderr, "Can't create temporary file handle\n");
exit(-1);
}
// Close the windows file handle, we want to re-open it with a posix call
CloseHandle(h);
// finally get the FILE* to the temp file
return fopen(tempfilepathex, "wb+");
#else
char buf[PATH_MAX];
strcpy(buf, "/tmp/alcasXXXXXXXX");
int suffixLen = 0;
if (ext.length() > 0) {
strcat(buf, ".");
strcat(buf, ext.c_str());
suffixLen = ext.length() + 1;
}
int fd = mkstemps(buf, suffixLen);
if(fd < 0) {
perror("mkstemps");
fprintf(stderr, "Can't open temporary file: %s\n", buf);
exit(-1);
}
pathOut->append(buf);
return fdopen(fd, "wb+");
#endif
}
std::string create_temporary_file_name(std::string prefix, std::string suffix) {
char *env = getenv("IMP_BUILD_ROOT");
std::string imp_tmp;
if (env) {
imp_tmp = internal::get_concatenated_path(env, "build/tmp");
}
#if defined _MSC_VER
std::string tpathstr;
if (imp_tmp.empty()) {
TCHAR tpath[MAX_PATH];
DWORD dwRetVal = GetTempPath(MAX_PATH, tpath);
if (dwRetVal > MAX_PATH || (dwRetVal == 0)) {
IMP_THROW("Unable to find temporary path", IOException);
}
tpathstr = tpath;
} else {
tpathstr = imp_tmp;
}
char filename[MAX_PATH];
if (GetTempFileName(tpathstr.c_str(), prefix.c_str(), 0, filename) == 0) {
IMP_THROW("Unable to create temp file in " << tpathstr, IOException);
}
return std::string(filename) + suffix;
#else
std::string pathprefix;
if (imp_tmp.empty()) {
pathprefix = "/tmp";
} else {
pathprefix = imp_tmp;
}
std::string templ =
internal::get_concatenated_path(pathprefix, prefix + ".XXXXXX");
boost::scoped_array<char> filename;
filename.reset(new char[templ.size() + suffix.size() + 1]);
std::copy(templ.begin(), templ.end(), filename.get());
#ifdef __APPLE__
std::copy(suffix.begin(), suffix.end(), filename.get() + templ.size());
filename[templ.size() + suffix.size()] = '\0';
int fd = mkstemps(filename.get(), suffix.size());
if (fd == -1) {
IMP_THROW("Unable to create temporary file: " << filename.get(),
IOException);
}
close(fd);
#else
filename[templ.size()] = '\0';
int fd = mkstemp(filename.get());
if (fd == -1) {
IMP_THROW("Unable to create temporary file: " << filename.get(),
IOException);
}
close(fd);
std::copy(suffix.begin(), suffix.end(), filename.get() + templ.size());
filename[templ.size() + suffix.size()] = '\0';
#endif
return std::string(filename.get());
#endif
}
int createSafeFileDescriptor(const char* fileRoot)
{
// Creates temporary file safely
char flacFile[FILENAME_MAX] = "";
snprintf(flacFile, FILENAME_MAX, "%sXXXXXX.wav", fileRoot);
// the 5 is for the length of the suffix ".wav"
return mkstemps(flacFile, 4);
}
static int get_tempfile_if_not_exists(int ini_fd, char ini_path[]) {
if (ini_fd == -1) {
ini_fd = mkstemps(ini_path, 4); // keep the .ini suffix
if (ini_fd == -1) {
fprintf(stderr, "Error: unable to open temporary file");
exit(EXIT_FAILURE);
}
}
return ini_fd;
}
bool check_xattr_trusted(const char *upper) {
char tmp_path[PATH_MAX];
strcpy(tmp_path, upper);
strcat(tmp_path, "/.xattr_test_XXXXXX.tmp");
int tmp_file = mkstemps(tmp_path, 4);
if (tmp_file < 0) { return false; }
bool ret = real_check_xattr_trusted(tmp_path, tmp_file);
unlink(tmp_path);
return ret;
}
void ShellCompiler::init() {
// Initialize the base classes
CompilerInternal::init();
// Read options
string compiler = getOption("compiler").toString();
string compiler_setup = getOption("compiler_setup").toString();
vector<string> flags;
if (hasSetOption("flags")) flags = getOption("flags");
// Construct the compiler command
stringstream cmd;
cmd << compiler << " " << compiler_setup;
for (vector<string>::const_iterator i=flags.begin(); i!=flags.end(); ++i) {
cmd << " " << *i;
}
// C/C++ source file
cmd << " " << name_;
// Name of temporary file
#ifdef HAVE_MKSTEMPS
// Preferred solution
char bin_name[] = "tmp_casadi_compiler_shell_XXXXXX.so";
if (mkstemps(bin_name, 3) == -1) {
casadi_error("Failed to create a temporary file name");
}
bin_name_ = bin_name;
#else
// Fallback, may result in deprecation warnings
char* bin_name = tempnam(0, "tmp_casadi_compiler_shell_");
bin_name_ = bin_name;
free(bin_name);
#endif
// Have relative paths start with ./
if (bin_name_.at(0)!='/') {
bin_name_ = "./" + bin_name_;
}
// Temporary file
cmd << " -o " << bin_name_;
// Compile into a shared library
if (system(cmd.str().c_str())) {
casadi_error("Compilation failed. Tried \"" + cmd.str() + "\"");
}
// Load shared library
handle_ = dlopen(bin_name_.c_str(), RTLD_LAZY);
casadi_assert_message(handle_!=0, "CommonExternal: Cannot open function: "
<< bin_name_ << ". error code: "<< dlerror());
// reset error
dlerror();
}
int
pocl_mk_tempname (char *output, const char *prefix, const char *suffix,
int *ret_fd)
{
#if defined(_MSC_VER) || defined(__MINGW32__)
#error "making temporary files on Windows not implemented"
#elif defined(HAVE_MKOSTEMPS) || defined(HAVE_MKSTEMPS) || defined(__ANDROID__)
/* using mkstemp() instead of tmpnam() has no real benefit
* here, as we have to pass the filename to llvm,
* but tmpnam() generates an annoying warning... */
int fd;
strncpy (output, prefix, POCL_FILENAME_LENGTH);
size_t len = strlen (prefix);
strncpy (output + len, "_XXXXXX", (POCL_FILENAME_LENGTH - len));
#ifdef __ANDROID__
fd = pocl_mkstemp (output);
#else
if (suffix)
{
len += 7;
strncpy (output + len, suffix, (POCL_FILENAME_LENGTH - len));
#ifdef HAVE_MKOSTEMPS
fd = mkostemps (output, strlen (suffix), O_CLOEXEC);
#else
fd = mkstemps (output, strlen (suffix));
#endif
}
else
#ifdef HAVE_MKOSTEMPS
fd = mkostemp (output, O_CLOEXEC);
#else
fd = mkstemp (output);
#endif
#endif
if (fd < 0)
{
POCL_MSG_ERR ("mkstemp() failed\n");
return errno;
}
int err = 0;
if (ret_fd)
*ret_fd = fd;
else
{
err = close (fd);
}
return err ? errno : 0;
#else
#error mkostemps() / mkstemps() both unavailable
#endif
}
void send_capcha(Tox *tox, uint32_t friend_number,const unsigned char gif[gifsize], const unsigned char l[6])
{
FILE *capchafile = NULL;
char capchafilename[] = "/tmp/capcha-XXXXXX.gif";
int fd = mkstemps(capchafilename, 4);
close(fd);
capchafile = fopen(capchafilename, "wb");
fwrite(gif,gifsize,1,capchafile);
fclose(capchafile);
add_filesender(tox, friend_number, capchafilename);
}
static int getTemporaryFile(char *fileName, size_t fileNameLength)
{
char* tempDirectory = getenv("TMPDIR");
if (!tempDirectory)
tempDirectory = getenv("TEMP");
if (tempDirectory)
snprintf(fileName, fileNameLength, "%s/ImageDiffXXXXXX.png", tempDirectory);
else {
#if __linux__
strcpy(fileName, "/dev/shm/ImageDiffXXXXXX.png");
const int fileDescriptor = mkstemps(fileName, sizeof(".png") - 1);
if (fileDescriptor >= 0)
return fileDescriptor;
#endif // __linux__
strcpy(fileName, "ImageDiffXXXXXX.png");
}
return mkstemps(fileName, sizeof(".png") - 1);
}
int
gen_tmp_file(const char *templ, char *path_out, FILE **fp_out)
{
int rc = -1;
#ifdef _WIN32
// TODO: implement me
#else
int fd, i_XXXXXX, suffix_len;
// TODO: secure this string crap
char path[64];
get_tmp_path(path, sizeof(path));
strcat(path, "/");
strcat(path, templ);
// find length of suffix
for(i_XXXXXX=0; i_XXXXXX < strlen(path)-5; i_XXXXXX++) {
//debug("at idx=%d looking at: %s\n", i_XXXXXX, path+i_XXXXXX);
if(0 == strncmp(path+i_XXXXXX, "XXXXXX", 6)) {
break;
}
}
if(i_XXXXXX >= strlen(path)-5) {
//debug("ERROR: couldn't find XXXXXX in \"%s\"\n", path);
goto cleanup;
}
suffix_len = strlen(path) - (i_XXXXXX+6);
//debug("sending mkstemp \"%s\" with suffix length %d\n", path, suffix_len);
fd = mkstemps(path, suffix_len);
if(fd < 0) {
//debug("ERROR: mkstemp() returned %d\n", fd);
goto cleanup;
}
strcpy(path_out, path);
/* file descriptor is linux specific int inside proc_struct,
convert this to stdlib file pointer */
*fp_out = fdopen(fd, "w");
if(*fp_out == NULL) {
//debug("ERROR: fdopen()\n");
goto cleanup;
}
#endif
rc = 0;
cleanup:
return rc;
}
void processAndLogNewSpawnException(SpawnException &e, const Options &options,
ResourceLocator &resourceLocator, RandomGenerator &randomGenerator)
{
ErrorRenderer renderer(resourceLocator);
string errorId = randomGenerator.generateHexString(4);
string appMessage = e.getErrorPage();
char filename[PATH_MAX];
stringstream stream;
e.set("ERROR_ID", errorId);
if (appMessage.empty()) {
appMessage = "none";
}
try {
int fd = -1;
FdGuard guard(fd, true);
string errorPage;
errorPage = renderer.renderWithDetails(appMessage, options, &e);
#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
snprintf(filename, PATH_MAX, "%s/passenger-error-XXXXXX.html",
getSystemTempDir());
fd = mkstemps(filename, sizeof(".html") - 1);
#else
snprintf(filename, PATH_MAX, "%s/passenger-error.XXXXXX",
getSystemTempDir());
fd = mkstemp(filename);
#endif
if (fd == -1) {
int e = errno;
throw SystemException("Cannot generate a temporary filename",
e);
}
writeExact(fd, errorPage);
} catch (const SystemException &e2) {
filename[0] = '\0';
P_ERROR("Cannot render an error page: " << e2.what() << "\n" <<
e2.backtrace());
}
stream << "Could not spawn process for application " << options.appRoot <<
": " << e.what() << "\n" <<
" Error ID: " << errorId << "\n";
if (filename[0] != '\0') {
stream << " Error details saved to: " << filename << "\n";
}
stream << " Message from application: " << appMessage << "\n";
P_ERROR(stream.str());
}
TemporaryFile(const std::string &prefix, const std::string &suffix = "", std::string tempdir = "") : autodelete(true) {
if (tempdir.size() == 0) {
const char* tmpdir_parent = std::getenv("TMPDIR");
if (tmpdir_parent == NULL)
tempdir = "/tmp";
else
tempdir = tmpdir_parent;
}
std::snprintf(tempfilepath, sizeof(tempfilepath)-1, "%s/%s-XXXXXX%s", tempdir.c_str(), prefix.c_str(), suffix.c_str());
if (mkstemps(tempfilepath, suffix.size()) == -1) {
bzero(tempfilepath, sizeof(tempfilepath));
}
}
int
write_jpeg_image(char *fn, Pixel (*frame)[MAX_Y][MAX_X]) {
FILE *jpegout;
struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr;
int x, y;
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_compress(&cinfo);
if (fn)
jpegout = fopen(fn, "wb");
else {
int fd = mkstemps("XXX.jpeg", 5);
jpegout = fdopen(fd, "w");
}
if (jpegout == NULL) {
perror("can't open jpeg");
return 0;
}
jpeg_stdio_dest(&cinfo, jpegout);
cinfo.image_width = MAX_X; /* image width and height, in pixels */
cinfo.image_height = MAX_Y;
cinfo.input_components = 3; /* # of color components per pixel */
cinfo.in_color_space = JCS_RGB; /* colorspace of input image */
cinfo.dct_method = JDCT_ISLOW; /* slow, high accuracy encoding */
jpeg_set_defaults(&cinfo);
jpeg_set_quality (&cinfo, 100, 1); /* highest quality encoding, w. baseline */
jpeg_start_compress(&cinfo, TRUE);
for (y=0; y<MAX_Y; y++) {
Pixel *in_row = &((*frame)[MAX_Y - y - 1][0]);
JSAMPLE row[MAX_X*3];
JSAMPROW row_pointer[1];
row_pointer[0] = &row[0];
for (x=0; x<MAX_X; x++) {
row[x*3] = in_row[x].r;
row[x*3+1] = in_row[x].g;
row[x*3+2] = in_row[x].b;
}
jpeg_write_scanlines(&cinfo, row_pointer, 1);
}
jpeg_finish_compress(&cinfo);
fclose(jpegout);
jpeg_destroy_compress(&cinfo);
return 1;
}
/* create a temp file for anonymous mappings */
struct file *create_temp_file( int access )
{
char tmpfn[16];
int fd;
sprintf( tmpfn, "anonmap.XXXXXX" ); /* create it in the server directory */
fd = mkstemps( tmpfn, 0 );
if (fd == -1)
{
file_set_error();
return NULL;
}
unlink( tmpfn );
return create_file_for_fd( fd, access, 0 );
}
/**
* If the modulo parameter \p mod is \c NULL, then no modulo reduction is done.
*
* @param[in] f The arithmetic circuit.
* @param[in] m Array of messages.
* @param[in] m_len Length of the array of messages.
* @param[in] mod Value of the modulo.
*
* @return The evaluated message, or \c NULL if an error ocorred.
* @todo Error codes.
* @note
* This looks slower than native arith_circ_eval():
* * degree 100 polynomial evaluation:
* - pinocchio: ~800ms
* - native: ~10ms
* * degree 200 polynomial evaluation:
* - pinocchio: ~5500ms
* - native: ~60ms
* * degree 300 polynomial evaluation:
* - pinocchio: ~10000ms
* - native: ~110ms
*/
cf_errno arith_circ_eval_pinocchio(cf_mpi_t *msg, const arith_circ_t f, cf_mpi_t *m, size_t m_len, const cf_mpi_t mod) {
assert(f && f->fn);
assert(m);
cf_mpi_t *output = NULL;
size_t output_len = 0;
char in[17] = "/tmp/cfXXXXXX.in\0";
char out[18] = "/tmp/cfXXXXXX.out\0";
int in_fd = mkstemps(in, 3);
int out_fd = mkstemps(out, 4);
assert(in_fd != -1 && out_fd != -1);
arith_circ_write_io(in, m, m_len);
// create process to aritheval.py
pid_t pid = fork();
int status;
if(pid == 0) {
execl("/usr/bin/python2", "/usr/bin/python2", PINOCCHIO_AC_EVAL, f->fn, in, out, NULL);
}
waitpid(pid, &status, 0);
output = arith_circ_parse_io(out, &output_len);
assert(output_len == 1);
remove(in);
remove(out);
if(mod != NULL) {
cf_mpi_mod(&(output[0]), output[0], mod);
}
// free unused memory
cf_mpi_copy(msg, *output);
cf_messages_free(output, output_len);
return E_NOERR;
}
static int get_tempfile_if_not_exists(int ini_fd, char ini_path[]) {
if (ini_fd == -1) {
#ifdef _MSC_VER
// MSVC doesn't require the characters to be the last
// 6 in the string.
ini_fd = open(mktemp(ini_path), O_RDWR | O_EXCL);
#else
ini_fd = mkstemps(ini_path, 4); // keep the .ini suffix
#endif
if (ini_fd == -1) {
fprintf(stderr, "Error: unable to open temporary file");
exit(EXIT_FAILURE);
}
}
return ini_fd;
}
void GenerateTempFileName ( char alter * tempFileNameOut, char const * extension ) {
#ifdef _MSC_VER
char temp_dir[_MAX_DIR];
DWORD dir_len = 0;
dir_len = GetTempPathA(_MAX_DIR, temp_dir);
assert(dir_len != 0);
assert(dir_len <= _MAX_DIR);
UINT res = 0;
res = GetTempFileNameA(temp_dir, "HOOPS", 0, tempFileNameOut);
assert(res != 0);
// if extension specified, replace .tmp with user-provided value
if (extension) {
char *old_extension = strrchr(tempFileNameOut, '.');
if (extension[0] == '.')
old_extension[0] = 0;
else
old_extension[1] = 0;
strcat(tempFileNameOut, extension);
}
#else
strcpy(tempFileNameOut, "/tmp/tmpXXXXXX");
int ext_len = 0;
if (extension) {
if (extension[0] != '.') {
strcat(tempFileNameOut, ".");
ext_len += 1;
}
strcat(tempFileNameOut, extension);
ext_len += strlen(extension);
}
else {
strcat(tempFileNameOut, ".tmp");
ext_len += 4;
}
int fileDescriptor = mkstemps(tempFileNameOut, ext_len);
if (fileDescriptor == -1) {
printf("mkstemps call failed.\nerrno: %d\t%s\n", errno, strerror(errno));
tempFileNameOut[0] = 0;
}
else
close(fileDescriptor);
#endif
}
/* check if the current directory allows exec mappings */
static int check_current_dir_for_exec(void)
{
int fd;
char tmpfn[] = "anonmap.XXXXXX";
void *ret = MAP_FAILED;
fd = mkstemps( tmpfn, 0 );
if (fd == -1) return 0;
if (grow_file( fd, 1 ))
{
ret = mmap( NULL, get_page_size(), PROT_READ | PROT_EXEC, MAP_PRIVATE, fd, 0 );
if (ret != MAP_FAILED) munmap( ret, get_page_size() );
}
close( fd );
unlink( tmpfn );
return (ret != MAP_FAILED);
}
/* Generate a temporary file name based on OBJ, FLAGS, and NAME.
Return NULL if we were unable to reserve a temporary filename.
If non-NULL, the result is either allocated with malloc, or the
same pointer as NAME. */
static char *
temp_file (struct pex_obj *obj, int flags, char *name)
{
if (name == NULL)
{
if (obj->tempbase == NULL)
{
name = make_temp_file (NULL);
}
else
{
int len = strlen (obj->tempbase);
int out;
if (len >= 6
&& strcmp (obj->tempbase + len - 6, "XXXXXX") == 0)
name = xstrdup (obj->tempbase);
else
name = concat (obj->tempbase, "XXXXXX", NULL);
out = mkstemps (name, 0);
if (out < 0)
{
free (name);
return NULL;
}
/* This isn't obj->funcs->close because we got the
descriptor from mkstemps, not from a function in
obj->funcs. Calling close here is just like what
make_temp_file does. */
close (out);
}
}
else if ((flags & PEX_SUFFIX) != 0)
{
if (obj->tempbase == NULL)
name = make_temp_file (name);
else
name = concat (obj->tempbase, name, NULL);
}
return name;
}
intptr_t SystemNative_MksTemps(char* pathTemplate, int32_t suffixLength)
{
intptr_t result;
#if HAVE_MKSTEMPS
while ((result = mkstemps(pathTemplate, suffixLength)) < 0 && errno == EINTR);
#elif HAVE_MKSTEMP
// mkstemps is not available bionic/Android, but mkstemp is
// mkstemp doesn't allow the suffix that msktemps does allow, so we'll need to
// remove that before passisng pathTemplate to mkstemp
int32_t pathTemplateLength = (int32_t)strlen(pathTemplate);
// pathTemplate must include at least XXXXXX (6 characters) which are not part of
// the suffix
if (suffixLength < 0 || suffixLength > pathTemplateLength - 6)
{
errno = EINVAL;
return -1;
}
// Make mkstemp ignore the suffix by setting the first char of the suffix to \0,
// if there is a suffix
int32_t firstSuffixIndex = 0;
char firstSuffixChar = 0;
if (suffixLength > 0)
{
firstSuffixIndex = pathTemplateLength - suffixLength;
firstSuffixChar = pathTemplate[firstSuffixIndex];
pathTemplate[firstSuffixIndex] = 0;
}
while ((result = mkstemp(pathTemplate)) < 0 && errno == EINTR);
// Reset the first char of the suffix back to its original value, if there is a suffix
if (suffixLength > 0)
{
pathTemplate[firstSuffixIndex] = firstSuffixChar;
}
#else
#error "Cannot find mkstemps nor mkstemp on this platform"
#endif
return result;
}
/* create a temp file for anonymous mappings */
static int create_temp_file( file_pos_t size )
{
char tmpfn[16];
int fd;
sprintf( tmpfn, "anonmap.XXXXXX" ); /* create it in the server directory */
fd = mkstemps( tmpfn, 0 );
if (fd != -1)
{
if (!grow_file( fd, size ))
{
close( fd );
fd = -1;
}
unlink( tmpfn );
}
else file_set_error();
return fd;
}
std::string file_make_temp(const std::string &prefix, const std::string &suffix) {
internal_assert(prefix.find("/") == string::npos &&
prefix.find("\\") == string::npos &&
suffix.find("/") == string::npos &&
suffix.find("\\") == string::npos);
#ifdef _WIN32
// Windows implementations of mkstemp() try to create the file in the root
// directory, which is... problematic.
char tmp_path[MAX_PATH], tmp_file[MAX_PATH];
DWORD ret = GetTempPathA(MAX_PATH, tmp_path);
internal_assert(ret != 0);
// Note that GetTempFileNameA() actually creates the file.
ret = GetTempFileNameA(tmp_path, prefix.c_str(), 0, tmp_file);
internal_assert(ret != 0);
return std::string(tmp_file);
#else
std::string templ = "/tmp/" + prefix + "XXXXXX" + suffix;
// Copy into a temporary buffer, since mkstemp modifies the buffer in place.
std::vector<char> buf(templ.size() + 1);
strcpy(&buf[0], templ.c_str());
int fd = mkstemps(&buf[0], suffix.size());
internal_assert(fd != -1) << "Unable to create temp file for (" << &buf[0] << ")\n";
close(fd);
return std::string(&buf[0]);
#endif
}