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
AsString() const22 const 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
LogThreadedIfError(const char * format,...) const79 void 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
LogThreaded(const char * format,...) const97 void 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