Example #1
0
GF_EXPORT
FILE *gf_temp_file_new(char ** const fileName)
{
	FILE *res = NULL;
#if defined(_WIN32_WCE)
	TCHAR pPath[MAX_PATH+1];
	TCHAR pTemp[MAX_PATH+1];
	if (!GetTempPath(MAX_PATH, pPath)) {
		pPath[0] = '.';
		pPath[1] = '.';
	}
	if (GetTempFileName(pPath, TEXT("git"), 0, pTemp))
		res = _wfopen(pTemp, TEXT("w+b"));
#elif defined(WIN32)
	res = tmpfile();

	if (!res) {
		wchar_t tmp[MAX_PATH];

		GF_LOG(GF_LOG_INFO, GF_LOG_CORE, ("[Win32] system failure for tmpfile(): 0x%08x\n", GetLastError()));

		/*tmpfile() may fail under vista ...*/
		if (GetEnvironmentVariableW(L"TEMP", tmp, MAX_PATH)) {
			wchar_t tmp2[MAX_PATH], *t_file;
			char* mbs_t_file;
			gf_rand_init(GF_FALSE);
			swprintf(tmp2, MAX_PATH, L"gpac_%d_%08x_", _getpid(), gf_rand());
			t_file = _wtempnam(tmp, tmp2);
			mbs_t_file = wcs_to_utf8(t_file);
			if (!mbs_t_file)
				return 0;
			res = gf_fopen(mbs_t_file, "w+b");
			if (res) {
				gpac_file_handles--;
				if (fileName) {
					*fileName = gf_strdup(mbs_t_file);
				} else {
					GF_LOG(GF_LOG_WARNING, GF_LOG_CORE, ("[Win32] temporary file %s won't be deleted - contact the GPAC team\n", mbs_t_file));
				}
			}
			gf_free(mbs_t_file);
			free(t_file);
		}
	}
#else
	res = tmpfile();
#endif

	if (res) {
		gpac_file_handles++;
	}
	return res;
}
Example #2
0
std::string FileUtils::system_temporary_dir()
{
#ifdef _WIN32
    const wchar_t *value;
    std::wstring w_path;
    std::string path;

    if ((value = _wgetenv(L"TMP")) && directory_exists(value)) {
        w_path = value;
        goto done;
    }
    if ((value = _wgetenv(L"TEMP")) && directory_exists(value)) {
        w_path = value;
        goto done;
    }
    if ((value = _wgetenv(L"LOCALAPPDATA"))) {
        w_path = value;
        w_path += L"\\Temp";
        if (directory_exists(w_path.c_str())) {
            goto done;
        }
    }
    if ((value = _wgetenv(L"USERPROFILE"))) {
        w_path = value;
        w_path += L"\\Temp";
        if (directory_exists(w_path.c_str())) {
            goto done;
        }
    }

done:
    auto result = wcs_to_utf8(w_path);
    return result ? std::move(result.value()) : std::string();
#else
    const char *value;

    if ((value = getenv("TMPDIR")) && directory_exists(value)) {
        return value;
    }
    if ((value = getenv("TMP")) && directory_exists(value)) {
        return value;
    }
    if ((value = getenv("TEMP")) && directory_exists(value)) {
        return value;
    }
    if ((value = getenv("TEMPDIR")) && directory_exists(value)) {
        return value;
    }

    return "/tmp";
#endif
}
Example #3
0
/*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;
}