1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski #include "precompiled_sal.hxx"
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielski #include "sal/config.h"
27*b1cdbd2cSJim Jagielski
28*b1cdbd2cSJim Jagielski #include <cstdarg>
29*b1cdbd2cSJim Jagielski #include <cstdio>
30*b1cdbd2cSJim Jagielski #include <cstring>
31*b1cdbd2cSJim Jagielski
32*b1cdbd2cSJim Jagielski #include <stdio.h> // snprintf, vsnprintf
33*b1cdbd2cSJim Jagielski
34*b1cdbd2cSJim Jagielski #include "osl/diagnose.h"
35*b1cdbd2cSJim Jagielski #include "osl/thread.hxx"
36*b1cdbd2cSJim Jagielski #include "rtl/string.h"
37*b1cdbd2cSJim Jagielski #include "sal/types.h"
38*b1cdbd2cSJim Jagielski
39*b1cdbd2cSJim Jagielski #include "printtrace.h"
40*b1cdbd2cSJim Jagielski
printTrace(unsigned long pid,char const * format,std::va_list arguments)41*b1cdbd2cSJim Jagielski void printTrace(unsigned long pid, char const * format, std::va_list arguments)
42*b1cdbd2cSJim Jagielski {
43*b1cdbd2cSJim Jagielski char buf[1024];
44*b1cdbd2cSJim Jagielski int n1 = snprintf(
45*b1cdbd2cSJim Jagielski buf, sizeof buf, "Trace %lu/%" SAL_PRIuUINT32 ": \"", pid,
46*b1cdbd2cSJim Jagielski osl::Thread::getCurrentIdentifier());
47*b1cdbd2cSJim Jagielski OSL_ASSERT(
48*b1cdbd2cSJim Jagielski n1 >= 0 &&
49*b1cdbd2cSJim Jagielski (static_cast< unsigned int >(n1) <
50*b1cdbd2cSJim Jagielski sizeof buf - RTL_CONSTASCII_LENGTH("\"...\n")));
51*b1cdbd2cSJim Jagielski int n2 = sizeof buf - n1 - RTL_CONSTASCII_LENGTH("\"...\n");
52*b1cdbd2cSJim Jagielski int n3 = vsnprintf(buf + n1, n2, format, arguments);
53*b1cdbd2cSJim Jagielski if (n3 < 0) {
54*b1cdbd2cSJim Jagielski std::strcpy(buf + n1, "\"???\n");
55*b1cdbd2cSJim Jagielski } else if (n3 < n2) {
56*b1cdbd2cSJim Jagielski std::strcpy(buf + n1 + n3, "\"\n");
57*b1cdbd2cSJim Jagielski } else {
58*b1cdbd2cSJim Jagielski std::strcpy(buf + n1 + n2 - 1, "\"...\n");
59*b1cdbd2cSJim Jagielski }
60*b1cdbd2cSJim Jagielski std::fputs(buf, stderr);
61*b1cdbd2cSJim Jagielski }
62