GF_EXPORT
GF_Err gf_move_file(const char *fileName, const char *newFileName)
{
#if defined(_WIN32_WCE)
TCHAR swzName[MAX_PATH];
TCHAR swzNewName[MAX_PATH];
CE_CharToWide((char*)fileName, swzName);
CE_CharToWide((char*)newFileName, swzNewName);
return (MoveFile(swzName, swzNewName) == 0 ) ? GF_IO_ERR : GF_OK;
#elif defined(WIN32)
/* success if != 0 */
BOOL op_result;
wchar_t* wcsFileName = utf8_to_wcs(fileName);
wchar_t* wcsNewFileName = utf8_to_wcs(newFileName);
if (!wcsFileName || !wcsNewFileName)
{
if (wcsFileName) gf_free(wcsFileName);
if (wcsNewFileName) gf_free(wcsNewFileName);
return GF_IO_ERR;
}
op_result = MoveFileW(wcsFileName, wcsNewFileName);
gf_free(wcsFileName);
gf_free(wcsNewFileName);
return ( op_result == 0 ) ? GF_IO_ERR : GF_OK;
#else
GF_Err e = GF_IO_ERR;
char cmd[1024], *arg1, *arg2;
if (!fileName || !newFileName)
return GF_IO_ERR;
arg1 = gf_sanetize_single_quoted_string(fileName);
arg2 = gf_sanetize_single_quoted_string(newFileName);
if (snprintf(cmd, sizeof cmd, "mv %s %s", arg1, arg2) >= sizeof cmd) goto error;
#if defined(GPAC_IPHONE) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= 80000)
{
pid_t pid;
char *argv[3];
argv[0] = "mv";
argv[1] = cmd;
argv[2] = NULL;
posix_spawn(&pid, argv[0], NULL, NULL, argv, environ);
waitpid(pid, NULL, 0);
}
#else
e = (system(cmd) == 0) ? GF_OK : GF_IO_ERR;
#endif
error:
gf_free(arg1);
gf_free(arg2);
return e;
#endif
}
GF_Err gf_rmdir(const char *DirPathName)
{
#if defined (_WIN32_WCE)
TCHAR swzName[MAX_PATH];
BOOL res;
CE_CharToWide(DirPathName, swzName);
res = RemoveDirectory(swzName);
if (! res) {
int err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Cannot delete directory %s: last error %d\n", DirPathName, err ));
}
#elif defined (WIN32)
int res;
wchar_t* wcsDirPathName = utf8_to_wcs(DirPathName);
if (!wcsDirPathName)
return GF_IO_ERR;
res = _wrmdir(wcsDirPathName);
gf_free(wcsDirPathName);
if (res == -1) {
int err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Cannot delete directory %s: last error %d\n", DirPathName, err ));
return GF_IO_ERR;
}
#else
int res = rmdir(DirPathName);
if (res==-1) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Cannot delete directory %s: last error %d\n", DirPathName, errno ));
return GF_IO_ERR;
}
#endif
return GF_OK;
}
GF_EXPORT
Bool gf_dir_exists(const char* DirPathName)
{
#if defined (_WIN32_WCE)
TCHAR swzName[MAX_PATH];
BOOL res;
DWORD att;
CE_CharToWide(DirPathName, swzName);
att = GetFileAttributes(swzName);
return (att != INVALID_FILE_ATTRIBUTES && (att & FILE_ATTRIBUTE_DIRECTORY)) ? GF_TRUE : GF_FALSE;
#elif defined (WIN32)
DWORD att;
wchar_t* wcsDirPathName = utf8_to_wcs(DirPathName);
if (!wcsDirPathName)
return GF_FALSE;
att = GetFileAttributesW(wcsDirPathName);
gf_free(wcsDirPathName);
return (att != INVALID_FILE_ATTRIBUTES && (att & FILE_ATTRIBUTE_DIRECTORY)) ? GF_TRUE : GF_FALSE;
#else
DIR* dir = opendir(DirPathName);
if (!dir) return GF_FALSE;
closedir(dir);
return GF_TRUE;
#endif
return GF_FALSE;
}
GF_EXPORT
GF_Err gf_delete_file(const char *fileName)
{
if (!fileName) {
GF_LOG(GF_LOG_WARNING, GF_LOG_CORE, ("gf_delete_file deletes nothing - ignoring\n"));
return GF_OK;
}
#if defined(_WIN32_WCE)
TCHAR swzName[MAX_PATH];
CE_CharToWide((char*)fileName, swzName);
return (DeleteFile(swzName)==0) ? GF_IO_ERR : GF_OK;
#elif defined(WIN32)
/* success if != 0 */
{
BOOL op_result;
wchar_t* wcsFileName = utf8_to_wcs(fileName);
if (!wcsFileName)
return GF_IO_ERR;
op_result = DeleteFileW(wcsFileName);
gf_free(wcsFileName);
return (op_result==0) ? GF_IO_ERR : GF_OK;
}
#else
/* success is == 0 */
return ( remove(fileName) == 0) ? GF_OK : GF_IO_ERR;
#endif
}
ZipCtx * MinizipUtils::open_output_file(std::string path)
{
ZipCtx *ctx = new(std::nothrow) ZipCtx();
if (!ctx) {
return nullptr;
}
#if defined(MINIZIP_WIN32)
auto converted = utf8_to_wcs(path);
if (!converted) {
delete ctx;
return nullptr;
}
ctx->path = std::move(converted.value());
fill_win32_filefunc64W(&ctx->buf.filefunc64);
#elif defined(MINIZIP_ANDROID)
fill_android_filefunc64(&ctx->buf.filefunc64);
ctx->path = std::move(path);
#else
fill_fopen64_filefunc(&ctx->buf.filefunc64);
ctx->path = std::move(path);
#endif
fill_buffer_filefunc64(&ctx->z_func, &ctx->buf);
ctx->zf = zipOpen2_64(ctx->path.c_str(), 0, nullptr, &ctx->z_func);
if (!ctx->zf) {
delete ctx;
return nullptr;
}
return ctx;
}
static bool get_file_time(const std::string &filename, uint32_t *dostime)
{
// Don't fail when building with -Werror
(void) filename;
(void) dostime;
#ifdef _WIN32
FILETIME ft_local;
HANDLE h_find;
WIN32_FIND_DATAW ff32;
auto w_filename = utf8_to_wcs(filename);
if (!w_filename) {
return false;
}
h_find = FindFirstFileW(w_filename.value().c_str(), &ff32);
if (h_find != INVALID_HANDLE_VALUE)
{
FileTimeToLocalFileTime(&ff32.ftLastWriteTime, &ft_local);
FileTimeToDosDateTime(&ft_local,
reinterpret_cast<LPWORD>(dostime) + 1,
reinterpret_cast<LPWORD>(dostime) + 0);
FindClose(h_find);
return true;
} else {
LOGE("%s: FindFirstFileW() failed: %s",
filename.c_str(), ec_from_win32().message().c_str());
}
#elif defined unix || defined __APPLE__ || defined __ANDROID__
struct stat sb;
struct tm t;
if (stat(filename.c_str(), &sb) == 0) {
time_t mtime = sb.st_mtime;
if (!localtime_r(&mtime, &t)) {
LOGE("localtime() failed");
return false;
}
*dostime = tm_to_dosdate(&t);
return true;
} else {
LOGE("%s: stat() failed: %s", filename.c_str(), strerror(errno));
}
#endif
return false;
}
oc::result<void> FileUtils::open_file(StandardFile &file,
const std::string &path,
FileOpenMode mode)
{
#ifdef _WIN32
auto w_filename = utf8_to_wcs(path);
if (!w_filename) {
LOGE("%s: Failed to convert from UTF8 to WCS: %s",
path.c_str(), w_filename.error().message().c_str());
return w_filename.as_failure();
}
return file.open(w_filename.value(), mode);
#else
return file.open(path, mode);
#endif
}
GF_EXPORT
u64 gf_file_modification_time(const char *filename)
{
#if defined(_WIN32_WCE)
WCHAR _file[GF_MAX_PATH];
WIN32_FIND_DATA FindData;
HANDLE fh;
ULARGE_INTEGER uli;
ULONGLONG time_ms;
BOOL ret;
CE_CharToWide((char *) filename, _file);
fh = FindFirstFile(_file, &FindData);
if (fh == INVALID_HANDLE_VALUE) return 0;
uli.LowPart = FindData.ftLastWriteTime.dwLowDateTime;
uli.HighPart = FindData.ftLastWriteTime.dwHighDateTime;
ret = FindClose(fh);
if (!ret) {
DWORD err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[core] FindClose() in gf_file_modification_time() returned the following error code: %d\n", err));
}
time_ms = uli.QuadPart/10000;
return time_ms;
#elif defined(WIN32) && !defined(__GNUC__)
struct _stat64 sb;
int op_result;
wchar_t* wcsFilename = utf8_to_wcs(filename);
if (!wcsFilename)
return 0;
op_result = _wstat64(wcsFilename, &sb);
gf_free(wcsFilename);
if (op_result != 0) return 0;
return sb.st_mtime;
#else
struct stat sb;
if (stat(filename, &sb) != 0) return 0;
return sb.st_mtime;
#endif
return 0;
}
GF_EXPORT
GF_Err gf_mkdir(const char* DirPathName)
{
#if defined (_WIN32_WCE)
TCHAR swzName[MAX_PATH];
BOOL res;
CE_CharToWide(DirPathName, swzName);
res = CreateDirectory(swzName, NULL);
if (! res) {
int err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Cannot create directory %s: last error %d\n", DirPathName, err ));
}
#elif defined (WIN32)
int res;
wchar_t* wcsDirPathName = utf8_to_wcs(DirPathName);
if (!wcsDirPathName)
return GF_IO_ERR;
res = _wmkdir(wcsDirPathName);
gf_free(wcsDirPathName);
if (res==-1) {
int err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Cannot create directory %s: last error %d\n", DirPathName, err ));
}
#else
int res = mkdir(DirPathName, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
if (res==-1) {
if(errno == 17) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Cannot create directory %s, it already exists: last error %d \n", DirPathName, errno ));
return GF_BAD_PARAM;
} else {
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Cannot create directory %s: last error %d\n", DirPathName, errno ));
return GF_IO_ERR;
}
}
#endif
return GF_OK;
}
/*enumerate directories*/
GF_EXPORT
GF_Err gf_enum_directory(const char *dir, Bool enum_directory, gf_enum_dir_item enum_dir_fct, void *cbck, const char *filter)
{
#ifdef WIN32
wchar_t item_path[GF_MAX_PATH];
#else
char item_path[GF_MAX_PATH];
#endif
GF_FileEnumInfo file_info;
#if defined(_WIN32_WCE)
char _path[GF_MAX_PATH];
unsigned short path[GF_MAX_PATH];
unsigned short w_filter[GF_MAX_PATH];
char file[GF_MAX_PATH];
#elif defined(WIN32)
wchar_t path[GF_MAX_PATH], *file;
wchar_t w_filter[GF_MAX_PATH];
wchar_t w_dir[GF_MAX_PATH];
char *mbs_file, *mbs_item_path;
#else
char path[GF_MAX_PATH], *file;
#endif
#ifdef WIN32
WIN32_FIND_DATAW FindData;
HANDLE SearchH;
#else
DIR *the_dir;
struct dirent* the_file;
struct stat st;
#endif
if (!dir || !enum_dir_fct) return GF_BAD_PARAM;
if (filter && (!strcmp(filter, "*") || !filter[0])) filter=NULL;
memset(&file_info, 0, sizeof(GF_FileEnumInfo) );
if (!strcmp(dir, "/")) {
#if defined(WIN32) && !defined(_WIN32_WCE)
u32 len;
char *drives, *volume;
len = GetLogicalDriveStrings(0, NULL);
drives = (char*)gf_malloc(sizeof(char)*(len+1));
drives[0]=0;
GetLogicalDriveStrings(len, drives);
len = (u32) strlen(drives);
volume = drives;
file_info.directory = GF_TRUE;
file_info.drive = GF_TRUE;
while (len) {
enum_dir_fct(cbck, volume, "", &file_info);
volume += len+1;
len = (u32) strlen(volume);
}
gf_free(drives);
return GF_OK;
#elif defined(__SYMBIAN32__)
RFs iFs;
TDriveList aList;
iFs.Connect();
iFs.DriveList(aList);
for (TInt i=0; i<KMaxDrives; i++) {
if (aList[i]) {
char szDrive[10];
TChar aDrive;
iFs.DriveToChar(i, aDrive);
sprintf(szDrive, "%c:", (TUint)aDrive);
enum_dir_fct(cbck, szDrive, "", &file_info);
}
}
iFs.Close();
FlushItemList();
return GF_OK;
#endif
}
#if defined (_WIN32_WCE)
switch (dir[strlen(dir) - 1]) {
case '/':
case '\\':
sprintf(_path, "%s*", dir);
break;
default:
sprintf(_path, "%s%c*", dir, GF_PATH_SEPARATOR);
break;
}
CE_CharToWide(_path, path);
CE_CharToWide((char *)filter, w_filter);
#elif defined(WIN32)
{
const char* tmpdir = dir;
gf_utf8_mbstowcs(w_dir, sizeof(w_dir), &tmpdir);
}
switch (w_dir[wcslen(w_dir) - 1]) {
case '/':
case '\\':
swprintf(path, MAX_PATH, L"%s*", w_dir);
break;
default:
swprintf(path, MAX_PATH, L"%s%c*", w_dir, GF_PATH_SEPARATOR);
break;
}
{
const char* tmpfilter = filter;
gf_utf8_mbstowcs(w_filter, sizeof(w_filter), &tmpfilter);
}
#else
strcpy(path, dir);
if (path[strlen(path)-1] != '/') strcat(path, "/");
#endif
#ifdef WIN32
SearchH= FindFirstFileW(path, &FindData);
if (SearchH == INVALID_HANDLE_VALUE) return GF_IO_ERR;
#if defined (_WIN32_WCE)
_path[strlen(_path)-1] = 0;
#else
path[wcslen(path)-1] = 0;
#endif
while (SearchH != INVALID_HANDLE_VALUE) {
#else
the_dir = opendir(path);
if (the_dir == NULL) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] Cannot open directory %s for enumeration: %d\n", path, errno));
return GF_IO_ERR;
}
the_file = readdir(the_dir);
while (the_file) {
#endif
memset(&file_info, 0, sizeof(GF_FileEnumInfo) );
#if defined (_WIN32_WCE)
if (!wcscmp(FindData.cFileName, _T(".") )) goto next;
if (!wcscmp(FindData.cFileName, _T("..") )) goto next;
#elif defined(WIN32)
if (!wcscmp(FindData.cFileName, L".")) goto next;
if (!wcscmp(FindData.cFileName, L"..")) goto next;
#else
if (!strcmp(the_file->d_name, "..")) goto next;
if (the_file->d_name[0] == '.') goto next;
#endif
#ifdef WIN32
file_info.directory = (FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? GF_TRUE : GF_FALSE;
if (!enum_directory && file_info.directory) goto next;
if (enum_directory && !file_info.directory) goto next;
#endif
if (filter) {
#if defined (_WIN32_WCE)
short ext[30];
short *sep = wcsrchr(FindData.cFileName, (wchar_t) '.');
if (!sep) goto next;
wcscpy(ext, sep+1);
wcslwr(ext);
if (!wcsstr(w_filter, ext)) goto next;
#elif defined(WIN32)
wchar_t ext[30];
wchar_t *sep = wcsrchr(FindData.cFileName, L'.');
if (!sep) goto next;
wcscpy(ext, sep+1);
wcslwr(ext);
if (!wcsstr(w_filter, ext)) goto next;
#else
char ext[30];
char *sep = strrchr(the_file->d_name, '.');
if (!sep) goto next;
strcpy(ext, sep+1);
strlwr(ext);
if (!strstr(filter, sep+1)) goto next;
#endif
}
#if defined(WIN32)
file_info.hidden = (FindData.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ? GF_TRUE : GF_FALSE;
file_info.system = (FindData.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) ? GF_TRUE : GF_FALSE;
file_info.size = MAXDWORD;
file_info.size += 1;
file_info.size *= FindData.nFileSizeHigh;
file_info.size += FindData.nFileSizeLow;
file_info.last_modified = (u64) ((*(LONGLONG *) &FindData.ftLastWriteTime - TIMESPEC_TO_FILETIME_OFFSET) / 10000000);
#endif
#if defined (_WIN32_WCE)
CE_WideToChar(FindData.cFileName, file);
strcpy(item_path, _path);
strcat(item_path, file);
#elif defined(WIN32)
wcscpy(item_path, path);
wcscat(item_path, FindData.cFileName);
file = FindData.cFileName;
#else
strcpy(item_path, path);
strcat(item_path, the_file->d_name);
GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[Core] Checking file %s for enum\n", item_path));
if (stat( item_path, &st ) != 0) goto next;
file_info.directory = ((st.st_mode & S_IFMT) == S_IFDIR) ? GF_TRUE : GF_FALSE;
if (enum_directory && !file_info.directory) goto next;
if (!enum_directory && file_info.directory) goto next;
file_info.size = st.st_size;
{
struct tm _t = * gmtime(& st.st_mtime);
file_info.last_modified = mktime(&_t);
}
file = the_file->d_name;
if (file && file[0]=='.') file_info.hidden = 1;
if (file_info.directory) {
char * parent_name = strrchr(item_path, '/');
if (!parent_name) {
file_info.drive = GF_TRUE;
} else {
struct stat st_parent;
parent_name[0] = 0;
if (stat(item_path, &st_parent) == 0) {
if ((st.st_dev != st_parent.st_dev) || ((st.st_dev == st_parent.st_dev) && (st.st_ino == st_parent.st_ino))) {
file_info.drive = GF_TRUE;
}
}
parent_name[0] = '/';
}
}
#endif
#ifdef WIN32
mbs_file = wcs_to_utf8(file);
mbs_item_path = wcs_to_utf8(item_path);
if (!mbs_file || !mbs_item_path)
{
if (mbs_file) gf_free(mbs_file);
if (mbs_item_path) gf_free(mbs_item_path);
return GF_IO_ERR;
}
if (enum_dir_fct(cbck, mbs_file, mbs_item_path, &file_info)) {
BOOL ret = FindClose(SearchH);
if (!ret) {
DWORD err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[core] FindClose() in gf_enum_directory() returned(1) the following error code: %d\n", err));
}
#else
if (enum_dir_fct(cbck, file, item_path, &file_info)) {
#endif
break;
}
#ifdef WIN32
gf_free(mbs_file);
gf_free(mbs_item_path);
#endif
next:
#ifdef WIN32
if (!FindNextFileW(SearchH, &FindData)) {
BOOL ret = FindClose(SearchH);
if (!ret) {
DWORD err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[core] FindClose() in gf_enum_directory() returned(2) the following error code: %d\n", err));
}
break;
}
#else
the_file = readdir(the_dir);
#endif
}
#ifndef WIN32
closedir(the_dir);
#endif
return GF_OK;
}
GF_EXPORT
u64 gf_ftell(FILE *fp)
{
#if defined(_WIN32_WCE)
return (u64) ftell(fp);
#elif defined(GPAC_CONFIG_WIN32) && !defined(__CYGWIN__) /* mingw or cygwin */
#if (_FILE_OFFSET_BITS >= 64)
return (u64) ftello64(fp);
#else
return (u64) ftell(fp);
#endif
#elif defined(WIN32)
return (u64) _ftelli64(fp);
#elif defined(GPAC_CONFIG_LINUX) && !defined(GPAC_ANDROID)
return (u64) ftello64(fp);
#elif (defined(GPAC_CONFIG_FREEBSD) || defined(GPAC_CONFIG_DARWIN))
return (u64) ftello(fp);
#else
return (u64) ftell(fp);
#endif
}
GF_EXPORT
u64 gf_fseek(FILE *fp, s64 offset, s32 whence)
{
#if defined(_WIN32_WCE)
return (u64) fseek(fp, (s32) offset, whence);
#elif defined(GPAC_CONFIG_WIN32) && !defined(__CYGWIN__) /* mingw or cygwin */
#if (_FILE_OFFSET_BITS >= 64)
return (u64) fseeko64(fp, offset, whence);
#else
return (u64) fseek(fp, (s32) offset, whence);
#endif
#elif defined(WIN32)
return (u64) _fseeki64(fp, offset, whence);
#elif defined(GPAC_CONFIG_LINUX) && !defined(GPAC_ANDROID)
return fseeko64(fp, (off64_t) offset, whence);
#elif (defined(GPAC_CONFIG_FREEBSD) || defined(GPAC_CONFIG_DARWIN))
return fseeko(fp, (off_t) offset, whence);
#else
return fseek(fp, (s32) offset, whence);
#endif
}
GF_EXPORT
FILE *gf_fopen(const char *file_name, const char *mode)
{
FILE *res = NULL;
#if defined(WIN32)
wchar_t *wname;
wchar_t *wmode;
wname = utf8_to_wcs(file_name);
wmode = utf8_to_wcs(mode);
if (!wname || !wmode)
{
if (wname) gf_free(wname);
if (wmode) gf_free(wmode);
return NULL;
}
res = _wfsopen(wname, wmode, _SH_DENYNO);
gf_free(wname);
gf_free(wmode);
#elif defined(GPAC_CONFIG_LINUX) && !defined(GPAC_ANDROID)
res = fopen64(file_name, mode);
#elif (defined(GPAC_CONFIG_FREEBSD) || defined(GPAC_CONFIG_DARWIN))
res = fopen(file_name, mode);
#else
res = fopen(file_name, mode);
#endif
if (res) {
gpac_file_handles++;
GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[Core] file %s opened in mode %s - %d file handles\n", file_name, mode, gpac_file_handles));
} else {
if (strchr(mode, 'w') || strchr(mode, 'a')) {
#if defined(WIN32)
u32 err = GetLastError();
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] system failure for file opening of %s in mode %s: 0x%08x\n", file_name, mode, err));
#else
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("[Core] system failure for file opening of %s in mode %s: %d\n", file_name, mode, errno));
#endif
}
}
return res;
}
GF_EXPORT
s32 gf_fclose(FILE *file)
{
if (file) {
assert(gpac_file_handles);
gpac_file_handles--;
}
return fclose(file);
}
#if (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && ! defined(_GNU_SOURCE) && !defined(WIN32)
#define HAVE_STRERROR_R 1
#endif
GF_EXPORT
size_t gf_fread(void *ptr, size_t size, size_t nmemb, FILE *stream) {
return fread(ptr, size, nmemb, stream);
}
GF_EXPORT
size_t gf_fwrite(const void *ptr, size_t size, size_t nmemb,
FILE *stream)
{
size_t result = fwrite(ptr, size, nmemb, stream);
if (result != nmemb) {
#ifdef _WIN32_WCE
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Error writing data: %d blocks to write but %d blocks written\n", nmemb, result));
#else
#if defined WIN32 && !defined(GPAC_CONFIG_WIN32)
errno_t errno_save;
_get_errno(&errno_save);
#else
int errno_save = errno;
#endif
//if (errno_save!=0)
{
#ifdef HAVE_STRERROR_R
#define ERRSTR_BUF_SIZE 256
char errstr[ERRSTR_BUF_SIZE];
if(strerror_r(errno_save, errstr, ERRSTR_BUF_SIZE) != 0)
{
strerror_r(0, errstr, ERRSTR_BUF_SIZE);
}
#else
char *errstr = (char*)strerror(errno_save);
#endif
GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Error writing data (%s): %d blocks to write but %d blocks written\n", errstr, nmemb, result));
}
#endif
}
return result;
}
std::string FileUtils::create_temporary_dir(const std::string &directory)
{
#ifdef _WIN32
// This Win32 code is adapted from the awesome libuv library (MIT-licensed)
// https://github.com/libuv/libuv/blob/v1.x/src/win/fs.c
constexpr char possible[] =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
constexpr size_t num_chars = 62;
constexpr size_t num_x = 6;
constexpr char suffix[] = "\\mbpatcher-";
HCRYPTPROV h_prov;
bool ret = CryptAcquireContext(
&h_prov, // phProv
nullptr, // pszContainer
nullptr, // pszProvider
PROV_RSA_FULL, // dwProvType
CRYPT_VERIFYCONTEXT // dwFlags
);
if (!ret) {
LOGE("CryptAcquireContext() failed: %s",
ec_from_win32().message().c_str());
return std::string();
}
std::string new_path = directory; // Path
new_path += suffix; // "\mbpatcher-"
new_path.resize(new_path.size() + num_x); // Unique part
char *unique = &new_path[new_path.size() - num_x];
unsigned int tries = TMP_MAX;
do {
uint64_t v;
ret = CryptGenRandom(
h_prov, // hProv
sizeof(v), // dwLen
reinterpret_cast<BYTE *>(&v) // pbBuffer
);
if (!ret) {
LOGE("CryptGenRandom() failed: %s",
ec_from_win32().message().c_str());
break;
}
for (size_t i = 0; i < num_x; ++i) {
unique[i] = possible[v % num_chars];
v /= num_chars;
}
// This is not particularly fast, but it'll do for now
auto w_new_path = utf8_to_wcs(new_path);
if (!w_new_path) {
LOGE("Failed to convert UTF-8 to WCS: %s",
w_new_path.error().message().c_str());
break;
}
ret = CreateDirectoryW(
w_new_path.value().c_str(), // lpPathName
nullptr // lpSecurityAttributes
);
if (ret) {
break;
} else if (GetLastError() != ERROR_ALREADY_EXISTS) {
LOGE("CreateDirectoryW() failed: %s",
ec_from_win32().message().c_str());
new_path.clear();
break;
}
} while (--tries);
bool released = CryptReleaseContext(
h_prov, // hProv
0 // dwFlags
);
assert(released);
return new_path;
#else
std::string dir_template(directory);
dir_template += "/mbpatcher-XXXXXX";
if (mkdtemp(&dir_template[0])) {
return dir_template;
}
return {};
#endif
}
