Slic3r::anonymous_namespace{miniz_extension.cpp} Namespace Reference

Functions
bool	open_zip (mz_zip_archive *zip, const char *fname, bool isread)
bool	close_zip (mz_zip_archive *zip, bool isread)

Function Documentation

close_zip()

bool Slic3r::anonymous_namespace{miniz_extension.cpp}::close_zip	(	mz_zip_archive *	zip,
		bool	isread
	)

{
    bool ret = false;
    if (zip) {
        FILE *f = mz_zip_get_cfile(zip);
        ret     = bool(isread ? mz_zip_reader_end(zip)
                          : mz_zip_writer_end(zip));
        if (f) fclose(f);
    }
    return ret;
}

References close_zip(), Slic3r::f(), mz_zip_get_cfile(), mz_zip_reader_end(), mz_zip_writer_end(), and Slic3r::zip().

Referenced by close_zip().

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open_zip()

bool Slic3r::anonymous_namespace{miniz_extension.cpp}::open_zip	(	mz_zip_archive *	zip,
		const char *	fname,
		bool	isread
	)

{
    if (!zip) return false;
    const char *mode = isread ? "rb" : "wb";
 
    FILE *f = nullptr;
#if defined(_MSC_VER) || defined(__MINGW64__)
    f = boost::nowide::fopen(fname, mode);
#elif defined(__GNUC__) && defined(_LARGEFILE64_SOURCE)
    f = fopen64(fname, mode);
#else
    f = fopen(fname, mode);
#endif
 
    if (!f) {
        zip->m_last_error = MZ_ZIP_FILE_OPEN_FAILED;
        return false;
    }
 
    bool res = false;
    if (isread)
    {
        res = mz_zip_reader_init_cfile(zip, f, 0, 0);
        if (!res)
            // if we get here it means we tried to open a non-zip file
            // we need to close the file here because the call to mz_zip_get_cfile() made into close_zip() returns a null pointer
            // see: https://github.com/prusa3d/PrusaSlicer/issues/3536
            fclose(f);
    }
    else
        res = mz_zip_writer_init_cfile(zip, f, 0);
 
    return res;
}

References Slic3r::f(), MZ_ZIP_FILE_OPEN_FAILED, mz_zip_reader_init_cfile(), mz_zip_writer_init_cfile(), open_zip(), and Slic3r::zip().

Referenced by open_zip().

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