comparison mercurial/parsers.c @ 26052:b970418bbafe

parsers: set exception when there's too little string data to extract parents

Previously we were returning NULL from this function without actually
setting up an exception. This fixes that problem, which was detected
with cpychecker.

26051:af090796cb33

		goto quit;

	len = readlen;

	/* read parents */
	if (len < 40)
		goto quit;

	parents = Py_BuildValue("s#s#", str, 20, str + 20, 20);
	if (!parents)
		goto quit;

26052:b970418bbafe

		goto quit;

	len = readlen;

	/* read parents */
	if (len < 40) {
		PyErr_SetString(
			PyExc_ValueError, "too little data for parents");
		goto quit;
	}

	parents = Py_BuildValue("s#s#", str, 20, str + 20, 20);
	if (!parents)
		goto quit;