46 lines
2.1 KiB
C
46 lines
2.1 KiB
C
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#ifndef _ESCALATE_COMMON_H
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#define _ESCALATE_COMMON_H
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/*! @brief When defined, debug output is enabled on Windows builds. */
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//#define DEBUGTRACE 1
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#ifdef DEBUGTRACE
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#define dprintf(...) real_dprintf(__VA_ARGS__)
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#else
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#define dprintf(...) do{}while(0);
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#endif
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/*! @brief Sets `dwResult` to the return value of `GetLastError()`, prints debug output, then does `break;` */
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#define BREAK_ON_ERROR( str ) { dwResult = GetLastError(); dprintf( "%s. error=%d", str, dwResult ); break; }
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/*! @brief Sets `dwResult` to `error`, prints debug output, then `break;` */
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#define BREAK_WITH_ERROR( str, err ) { dwResult = err; dprintf( "%s. error=%d", str, dwResult ); break; }
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/*! @brief Sets `dwResult` to the return value of `WASGetLastError()`, prints debug output, then does `break;` */
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#define BREAK_ON_WSAERROR( str ) { dwResult = WSAGetLastError(); dprintf( "%s. error=%d", str, dwResult ); break; }
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/*! @brief Sets `dwResult` to the return value of `GetLastError()`, prints debug output, then does `continue;` */
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#define CONTINUE_ON_ERROR( str ) { dwResult = GetLastError(); dprintf( "%s. error=%d", str, dwResult ); continue; }
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/*! @brief Close a service handle if not already closed and set the handle to NULL. */
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#define CLOSE_SERVICE_HANDLE( h ) if( h ) { CloseServiceHandle( h ); h = NULL; }
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/*! @brief Close a handle if not already closed and set the handle to NULL. */
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#define CLOSE_HANDLE( h ) if( h ) { DWORD dwHandleFlags; if(GetHandleInformation( h , &dwHandleFlags)) CloseHandle( h ); h = NULL; }
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#ifdef DEBUGTRACE
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/*!
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* @brief Output a debug string to the debug console.
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* @details The function emits debug strings via `OutputDebugStringA`, hence all messages can be viewed
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* using Visual Studio's _Output_ window, _DebugView_ from _SysInternals_, or _Windbg_.
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*/
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static void real_dprintf(char *format, ...) {
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va_list args;
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char buffer[1024];
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va_start(args,format);
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vsnprintf_s(buffer, sizeof(buffer), sizeof(buffer)-3, format,args);
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strcat_s(buffer, sizeof(buffer), "\r\n");
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OutputDebugStringA(buffer);
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}
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#endif
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#endif
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