C++ (Cpp) r_buf_mmap Examples

Example #1

File: io_default.c Project: Kodoque1/radare2

static int r_io_def_mmap_refresh_def_mmap_buf(RIOMMapFileObj *mmo) {
	RIO* io = mmo->io_backref;
	ut64 cur;
	if (mmo->buf) {
		cur = mmo->buf->cur;
		r_buf_free (mmo->buf);
		mmo->buf = NULL;
	} else {
		cur = 0;
	}
	st64 sz = r_file_size (mmo->filename);
	if (sz == 0 || sz > ST32_MAX) {
		// Do not use mmap if the file is huge
		mmo->rawio = 1;
	}
	if (mmo->rawio) {
		mmo->fd = __io_posix_open (mmo->filename, mmo->flags, mmo->mode);
		return (mmo->fd != -1);
	}
	mmo->buf = r_buf_mmap (mmo->filename, mmo->flags);
	if (mmo->buf) {
		r_io_def_mmap_seek (io, mmo, cur, SEEK_SET);
		return true;
	} else {
		mmo->rawio = 1;
		mmo->fd = __io_posix_open (mmo->filename, mmo->flags, mmo->mode);
		return (mmo->fd != -1);
	}
	return false;
}

Example #2

File: io_default.c Project: kuduka/radare2

static int r_io_def_mmap_refresh_def_mmap_buf(RIOMMapFileObj *mmo) {
	RIO* io = mmo->io_backref;
	ut64 cur = mmo->buf ? mmo->buf->cur : 0;
	if (mmo->buf) {
		r_buf_free (mmo->buf);
		mmo->buf = NULL;
	}
	mmo->buf = r_buf_mmap (mmo->filename, mmo->flags);
	if (mmo->buf)
		r_io_def_mmap_seek (io, mmo, cur, SEEK_SET);
	return (mmo->buf ? R_TRUE : R_FALSE);
}

Example #3

File: io_default.c Project: idkwim/radare2

static int r_io_def_mmap_refresh_def_mmap_buf(RIOMMapFileObj *mmo) {
	RIO* io = mmo->io_backref;
	ut64 cur = mmo->buf ? mmo->buf->cur : 0;
	if (mmo->buf) {
		r_buf_free (mmo->buf);
		mmo->buf = NULL;
	}
	if (r_file_size (mmo->filename)> ST32_MAX) {
		// Do not use mmap if the file is huge
		mmo->rawio = 1;
	}
	if (mmo->rawio) {
		mmo->fd = __io_posix_open (mmo->filename, mmo->flags, mmo->mode);
		return (mmo->fd != -1);
	}
	mmo->buf = r_buf_mmap (mmo->filename, mmo->flags);
	if (mmo->buf)
		r_io_def_mmap_seek (io, mmo, cur, SEEK_SET);
	return (mmo->buf ? R_TRUE : R_FALSE);
}