gistfile1.txt

/Users/verma/work/laz-perf/examples/readlaz.cpp:19:4: error: use of undeclared identifier 'FS'
                        FS.mkdir('/files');
                        ^
/Users/verma/work/laz-perf/examples/readlaz.cpp:19:13: warning: multi-character character constant [-Wmultichar]
                        FS.mkdir('/files');
                                 ^
/Users/verma/work/laz-perf/examples/readlaz.cpp:19:13: warning: character constant too long for its type
/Users/verma/work/laz-perf/examples/readlaz.cpp:20:4: error: use of undeclared identifier 'FS'
                        FS.mount(NODEFS, { root: '.' }, '/files');
                        ^
/Users/verma/work/laz-perf/examples/readlaz.cpp:20:13: error: use of undeclared identifier 'NODEFS'
                        FS.mount(NODEFS, { root: '.' }, '/files');
                                 ^
/Users/verma/work/laz-perf/examples/readlaz.cpp:21:2: error: expected expression
        );
        ^
/Users/verma/work/laz-perf/examples/readlaz.cpp:26:16: error: redefinition of 'file'
        std::ifstream file(filename, std::ios::binary);

test.cpp

#ifdef EMSCRIPTEN_BUILD
	EM_ASM(
			FS.mkdir('/files');
			FS.mount(NODEFS, { root: '.' }, '/files');
	);

	filename = std::string("/files/" + filename);

	std::ifstream file(std::string(filename, std::ios::binary));
	std::ifstream file(filename, std::ios::binary);
	if (!file.good()) {
		std::cerr << "Could not open file for reading: " << filename << std::endl;
		std::cerr << strerror(errno) << std::endl;
		return -1;
	}
#else
	std::ifstream file(filename, std::ios::binary);
	if (!file.good()) {
		std::cerr << "Could not open file for reading: " << filename << std::endl;