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dev/debug/memtrace_os4.lha |
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This port was requested by Raziel, so, enjoy!(?) /spot
Author: Markus Wolf
Web: http://www.murkymind.de
Version: 1.0 (20-nov-2006)
The "memtrace" include files provides overview over dynamic memory allocation
and deallocation for C/C++ code.
A C++ compiler is required. It is intended for debugging and should be excluded
(deactivated) for final project compilation.
Files:
"memtrace.h" : The only file to include into a project (include file
tree)
"memtrace_internal.h" : "MemTrace" class definition, "MemTrace" configuration
via preprocessor directives, method descriptions
"memtrace_internal.cpp" : "MemTrace" methods, must be compiled as separat object
so a single global ("extern") instance can be used for a whole project
How to use:
-----------
- Edit the preprocessor configuration in "memtrace_internal.h" to your needs.
- Compile "memtrace_internal.cpp" as separate object. It includes the one and
only instance "memtrace" of class "MemTrace".
- Include "memtrace.h" in the project where allocation should be watched in the
following code. You don't have to change any code in your project.
"memtrace.h" defines an external reference to the "memtrace" instance.
- Link the "memtrace_internal.cpp" compiled object to your project when
compiling.
What it does:
----------------
- Watching your (de)allocations with file name and line of the appropriate
statement in your code, finding memory leaks.
- The "memtrace" instance has tables. Each allocation in your project creates a
table entry.
Which table is used, depends on the way of allocation: "new", "new[]",
"malloc"
- Each deallocation tries to delete the entry from the appropriate list, which
may be successful or not.
- Actions and errors can be logged to a stream of choice.
- prints and logs the location of the (de)allocation action (file, line)
- If entries are left in the table at program end, these are potential memory
leaks, which means one of the following:
* memory block is not deallocated
* illegal deallocations were used for the allocation type
("free"/"delete"/"delete[]" mixing)
* "memtrace" was locked during (de)allocation and was unable to trace -> not
a memory leak
- can check if a byte range (with address) is within allocated space registered
in a list (via separate function call).
Note:
-----
- In order to start tracing memory (de)allocation, the "memtrace" instance must
be "unlocked"!
- Read the *.h files. |
Contents of dev/debug/memtrace_os4.lha
PERMSSN UID GID PACKED SIZE RATIO METHOD CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic] 623 1457 42.8% -lh5- 08d8 Nov 22 2006 memtrace/example.cpp
[generic] 182121 548768 33.2% -lh5- 8e1f Apr 15 2008 memtrace/example.exe
[generic] 92 106 86.8% -lh5- 0b76 Nov 22 2006 memtrace/example_obj.cpp
[generic] 87 119 73.1% -lh5- 6de6 Aug 29 2006 memtrace/example_obj.h
[generic] 529 1101 48.0% -lh5- e5a4 Apr 15 2008 memtrace/makefile
[generic] 970 2534 38.3% -lh5- 523a Nov 21 2006 memtrace/memtrace/memtrace.h
[generic] 2475 10444 23.7% -lh5- 9125 Nov 22 2006 memtrace/memtrace/memtrace_internal.cpp
[generic] 1972 5371 36.7% -lh5- caeb Nov 22 2006 memtrace/memtrace/memtrace_internal.h
[generic] 1093 2428 45.0% -lh5- ccc9 Jan 11 2007 memtrace/memtrace/readme.txt
[generic] 99 129 76.7% -lh5- 05fc Nov 22 2006 memtrace/readme.txt
---------- ----------- ------- ------- ------ ---------- ------------ -------------
Total 10 files 190061 572457 33.2% Nov 19 20:10
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