 | |
| Developer(s) | Parasoft |
|---|---|
| Initial release | 1993 |
| Stable release | 2021.2
/ October 28, 2021 |
| Operating system | Cross-platform, Linux, Solaris, Windows |
| Available in | English |
| Type | Profiler / Memory debugger |
| License | Proprietary commercial software |
| Website | www |
Insure++ is a memory debugger computer program, used by software developers to detect various errors in programs written in C and C++. It is made by Parasoft, and is functionally similar to other memory debuggers, such as Purify, Valgrind and Dr Memory.[1]
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Transcription
Overview
Insure++ can automatically find erroneous accesses to freed memory (use-after-free situations), array-bounds violations, freeing unallocated memory (which often happens when a programmer frees the same memory twice, or when he frees global or stack memory), and many others.[2]
Unlike Purify and Valgrind, Insure++ inserts its instrumentation at the source-code level,[3][4][clarification needed] which allows it to detect errors that the other tools miss.[5] In particular, Insure++ can detect buffer overflows in automatic arrays, and overflows which involve pointers that accidentally "jump" from one valid memory region to another, as in the following example:
#include <stdlib.h>
int main()
{
char *p = malloc(1024); /* first dynamically-allocated block */
char *q = malloc(1024); /* second block */
p += 1200; /* At this point, "p" is likely to point into the second block.
However, false assumptions about the real behaviour lead to mistakes. */
*p = 'a'; /* invalid write (past the end of the first block) */
}
The source-level instrumentation allows it to not only identify that a leak occurred, but where it occurred.[1] Some tools merely provide information about where the memory was allocated, Insure++ also gives a stack trace for when/where the actual leak occurred.
Additionally, Insure++ will produce Linear Code Sequence and Jump Code Coverage metrics for all tested code.
See also
References
- ^ a b "A Survey of Systems for Detection Serial Run-Time Errors" (PDF). Iowa State University High Performance Computing Group. Archived from the original (PDF) on 3 March 2016. Retrieved 20 September 2010.
- ^ Metzger, Robert (2004). Debugging by Thinking: A Multidisciplinary Approach. p. 490. ISBN 1555583075.
- ^ "Parasoft Insure++ at Parasoft website". Retrieved January 29, 2014.
- ^ Reddy, Martin. API Design for C++. p. 239.
- ^ Lier, Matthias (20 November 2010). Tools for High Performance Computing. p. 147. ISBN 978-3642112904.
External links
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This page was last edited on 30 March 2023, at 20:38