blocxx
System.cpp
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30
34
35#include "blocxx/BLOCXX_config.h"
36#include "blocxx/System.hpp"
37#include <cstring>
38#include <cerrno>
39
40#ifdef BLOCXX_WIN32
41#include <winsock2.h>
42#endif
43
44namespace BLOCXX_NAMESPACE
45{
46namespace System
47{
48
49#ifdef BLOCXX_WIN32
51String errorMsg(int errorCode)
52{
53 LPVOID lpMsgBuf;
54 if (!::FormatMessage(
55 FORMAT_MESSAGE_ALLOCATE_BUFFER
56 | FORMAT_MESSAGE_FROM_SYSTEM
57 | FORMAT_MESSAGE_IGNORE_INSERTS,
58 NULL,
59 errorCode,
60 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
61 (LPTSTR) &lpMsgBuf,
62 0,
63 NULL))
64 {
65 return String();
66 }
67
68 String rmsg((const char*)lpMsgBuf);
69
70 // Free the buffer.
71 ::LocalFree(lpMsgBuf);
72 return rmsg;
73}
74
76UInt32 lastErrorMsg(const String &a_action, String &a_errorMessage)
77{
78 DWORD errcode = GetLastError();
79 a_errorMessage.format("%s%s%ld%s%s", a_action.c_str(), " failed with error ", errcode, " : ", errorMsg(errcode).c_str());
80
81 return errcode;
82}
83
85String lastErrorMsg(bool socketError)
86{
87 DWORD errcode = (socketError) ? WSAGetLastError() : GetLastError();
88 return errorMsg(errcode);
89}
90#else
91String errorMsg(int errorCode)
92{
93 return String(::strerror(errorCode));
94}
95
96String lastErrorMsg(bool socketError)
97{
98 return errorMsg(errno);
99}
100#endif
101
102} // End of System namespace
103} // End of BLOCXX_NAMESPACE
104
This String class is an abstract data type that represents as NULL terminated string of characters.
Definition String.hpp:67
const char * c_str() const
Definition String.cpp:905
int format(const char *fmt,...)
Format this string according to the given format and variable argument list (printf style)
Definition String.cpp:369
String errorMsg(int errorCode)
Definition System.cpp:91
String lastErrorMsg(bool socketError)
Definition System.cpp:96
Taken from RFC 1321.