VC-开发人员使用内存泄露检查

//////////////////////////////////////////////////////////////////////////////// // $Id: vld.h,v 1.15.2.1 2005/08/03 23:13:47 dmouldin Exp $ // // Visual Leak Detector (Version 1.0) // Copyright (c) 2005 Dan Moulding // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation; either version 2.1 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // See COPYING.txt for the full terms of the GNU Lesser General Public License. // //////////////////////////////////////////////////////////////////////////////// #pragma once #ifdef _DEBUG //////////////////////////////////////////////////////////////////////////////// // // Configuration Options // // Configuration flags #define VLD_CONFIG_AGGREGATE_DUPLICATES 0x1 #define VLD_CONFIG_SELF_TEST 0x2 #define VLD_CONFIG_SHOW_USELESS_FRAMES 0x4 #define VLD_CONFIG_START_DISABLED 0x8 #ifndef VLDBUILD #ifdef __cplusplus extern "C" { #endif // __cplusplus // If VLD_AGGREGATE_DUPLICATES is defined, then duplicated leaks (those that // have the same size and call stack as a previously identified leak) are not // shown in detail in the memory leak report. Instead, only a count of the // number of matching duplicate leaks is shown along with the detailed // information from the first such leak encountered. #ifdef VLD_AGGREGATE_DUPLICATES #define VLD_FLAG_AGGREGATE_DUPLICATES VLD_CONFIG_AGGREGATE_DUPLICATES #else #define VLD_FLAG_AGGREGATE_DUPLICATES 0x0 #endif // VLD_AGGREGATE_DUPLICATES // If VLD_MAX_DATA_DUMP is defined, then the amount of data shown in user-data // memory dumps will be limited to the specified number of bytes. #ifdef VLD_MAX_DATA_DUMP unsigned long _VLD_maxdatadump = VLD_MAX_DATA_DUMP; #else unsigned long _VLD_maxdatadump = 0xffffffff; #endif // VLD_MAX_DATA_DUMP // If VLD_MAX_TRACE_FRAMES is defined, then the number of frames traced for each // allocated memory block when walking the stack will be limited to the // specified number of frames. #ifdef VLD_MAX_TRACE_FRAMES unsigned long _VLD_maxtraceframes = VLD_MAX_TRACE_FRAMES; #else unsigned long _VLD_maxtraceframes = 0xffffffff; #endif // VLD_MAX_TRACE_FRAMES // If VLD_SELF_TEST is defined, then Visual Leak Detector will perform a memory // leak self-test, by intentionally leaking memory, to ensure that it is able to // correctly detect memory leaks internal to Visual Leak Detector. #ifdef VLD_SELF_TEST #define VLD_FLAG_SELF_TEST VLD_CONFIG_SELF_TEST #else #define VLD_FLAG_SELF_TEST 0x0 #endif // VLD_SELF_TEST // If VLD_SHOW_USELESS_FRAMES is defined, then all frames traced will be // displayed, even frames internal to the heap and Visual Leak Detector. #ifdef VLD_SHOW_USELESS_FRAMES #define VLD_FLAG_SHOW_USELESS_FRAMES VLD_CONFIG_SHOW_USELESS_FRAMES #else #define VLD_FLAG_SHOW_USELESS_FRAMES 0x0 #endif // VLD_SHOW_USELESS_FRAMES // If VLD_START_DISABLED is defined, then Visual Leak Detector will initially // be disabled for all threads. #ifdef VLD_START_DISABLED #define VLD_FLAG_START_DISABLED VLD_CONFIG_START_DISABLED #else #define VLD_FLAG_START_DISABLED 0x0 #endif // VLD_START_DISABLED // Initialize the configuration flags based on defined preprocessor macros. unsigned _VLD_configflags = VLD_FLAG_AGGREGATE_DUPLICATES | VLD_FLAG_SELF_TEST | VLD_FLAG_SHOW_USELESS_FRAMES | VLD_FLAG_START_DISABLED; #ifdef __cplusplus } #endif // __cplusplus //////////////////////////////////////////////////////////////////////////////// // // Linker Directives // // Link with the appropriate Visual Leak Detector library. One of: multithreaded // DLL, multithreaded static, or single threaded. All three link with debug // versions of the CRT. #ifdef _DLL #pragma comment (lib, "vldmtdll.lib") #else #ifdef _MT #pragma comment (lib, "vldmt.lib") #else #pragma comment (lib, "vld.lib") #endif // _MT #endif // _DLL // Force a symbolic reference to the global VisualLeakDetector class object from // the library. This enusres that the object is linked with the program, even // though nobody directly references it outside of the library. #pragma comment(linker, "/include:?visualleakdetector@@3VVisualLeakDetector@@A") #endif // VLDBUILD #endif // _DEBUG