interest for a built-in memset function
ID0000915: This issue was created automatically from Mantis Issue 915. Further discussion may take place here.
| Id | Project | Category | View | Due Date | Updated |
|---|---|---|---|---|---|
| ID0000915 | Frama-C | Plug-in > Eva | public | 2011-08-05 | 2014-02-12 |
| Reporter | ddelmas | Assigned To | yakobowski | Resolution | fixed |
| Priority | normal | Severity | feature | Reproducibility | always |
| Platform | - | OS | - | OS Version | - |
| Product Version | Frama-C Carbon-20110201 | Target Version | - | Fixed in Version | Frama-C Fluorine-20130401 |
Description :
The following command produces perfectly precise results on the attached example:
frama-c frama-c-lib.c (frama-c -print-path)/libc.c -val -cpp-command 'gcc -C -E -I(frama-c -print-path)' -main F1
On the contrary, analysing -main F2 instead of F1 yields unprecise results, unless unrolling is used. It would be of great interest, both for precision and performance, to have a Frama-C built-in for the memset library function, at least in the frequent case where the abstract value of the second parameter is just the {0} singleton.