Function fixup_parse_hname

modules/sipmsgops/sipmsgops.c:709–763

static int fixup_parse_hname(void** param)
{
	char *c;
	int len;
	struct hdr_field hdr;
	int_str_t *outval;
	str *hn = (str *)*param;

	outval = pkg_malloc(sizeof *outval + hn->len + 1);
	if (!outval) {
		LM_ERR("oom\n");
		return -1;
	}
	memset(outval, 0, sizeof *outval);

	/* parse_hname2() accepts a minimum 4 bytes len buffer
	 * for parsing, so whatever is the len of the header name,
	 * fill it up to 4 */
	len = (hn->len < 3) ? (4) : (hn->len + 1);
	c = pkg_malloc( len );
	if (!c)
		return E_OUT_OF_MEM;

	memcpy(c, hn->s, hn->len);
	c[hn->len] = ':';

	if (parse_hname2(c, c + len, &hdr) == 0)
	{
		LM_ERR("error parsing header name\n");
		goto err_free;
	}

	pkg_free(c);

	if (hdr.type != HDR_OTHER_T && hdr.type != HDR_ERROR_T)
	{
		LM_DBG("using hdr type (%d) instead of <%.*s>\n",
				hdr.type, hn->len, hn->s);

		outval->i = hdr.type;
	} else {
		outval->is_str = 1;
		outval->s.s = (char *)(outval + 1);
		memcpy(outval->s.s, hn->s, hn->len);
		outval->s.len = hn->len;
		outval->s.s[outval->s.len] = '\0';
	}

	*param = outval;
	return 0;

err_free:
	pkg_free(outval);
	return E_UNSPEC;
}

/*
 * Convert char* method to str* parameter