1//===-- DNBError.cpp --------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9//  Created by Greg Clayton on 6/26/07.
10//
11//===----------------------------------------------------------------------===//
12
13#include "DNBError.h"
14#include "CFString.h"
15#include "DNBLog.h"
16#include "PThreadMutex.h"
17
18#ifdef WITH_SPRINGBOARD
19#include <SpringBoardServices/SpringBoardServer.h>
20#endif
21
22const char *DNBError::AsString() const {
23  if (Success())
24    return NULL;
25
26  if (m_str.empty()) {
27    const char *s = NULL;
28    switch (m_flavor) {
29    case MachKernel:
30      s = ::mach_error_string(m_err);
31      break;
32
33    case POSIX:
34      s = ::strerror(m_err);
35      break;
36
37#ifdef WITH_SPRINGBOARD
38    case SpringBoard: {
39      CFStringRef statusStr = SBSApplicationLaunchingErrorString(m_err);
40      if (CFString::UTF8(statusStr, m_str) == NULL)
41        m_str.clear();
42    } break;
43#endif
44#ifdef WITH_BKS
45    case BackBoard: {
46      // You have to call ObjC routines to get the error string from
47      // BackBoardServices.
48      // Not sure I want to make DNBError.cpp an .mm file.  For now just make
49      // sure you
50      // pre-populate the error string when you make the DNBError of type
51      // BackBoard.
52      m_str.assign(
53          "Should have set BackBoard error when making the error string.");
54    } break;
55#endif
56#ifdef WITH_FBS
57    case FrontBoard: {
58      // You have to call ObjC routines to get the error string from
59      // FrontBoardServices.
60      // Not sure I want to make DNBError.cpp an .mm file.  For now just make
61      // sure you
62      // pre-populate the error string when you make the DNBError of type
63      // FrontBoard.
64      m_str.assign(
65          "Should have set FrontBoard error when making the error string.");
66    } break;
67#endif
68    default:
69      break;
70    }
71    if (s)
72      m_str.assign(s);
73  }
74  if (m_str.empty())
75    return NULL;
76  return m_str.c_str();
77}
78
79void DNBError::LogThreadedIfError(const char *format, ...) const {
80  if (Fail()) {
81    char *arg_msg = NULL;
82    va_list args;
83    va_start(args, format);
84    ::vasprintf(&arg_msg, format, args);
85    va_end(args);
86
87    if (arg_msg != NULL) {
88      const char *err_str = AsString();
89      if (err_str == NULL)
90        err_str = "???";
91      DNBLogThreaded("error: %s err = %s (0x%8.8x)", arg_msg, err_str, m_err);
92      free(arg_msg);
93    }
94  }
95}
96
97void DNBError::LogThreaded(const char *format, ...) const {
98  char *arg_msg = NULL;
99  va_list args;
100  va_start(args, format);
101  ::vasprintf(&arg_msg, format, args);
102  va_end(args);
103
104  if (arg_msg != NULL) {
105    if (Fail()) {
106      const char *err_str = AsString();
107      if (err_str == NULL)
108        err_str = "???";
109      DNBLogThreaded("error: %s err = %s (0x%8.8x)", arg_msg, err_str, m_err);
110    } else {
111      DNBLogThreaded("%s err = 0x%8.8x", arg_msg, m_err);
112    }
113    free(arg_msg);
114  }
115}
116