c - How sparse and coverity tool for static code analysis are different? -



c - How sparse and coverity tool for static code analysis are different? -

i new linux kernel. want know how sparse , coverity tool different ? since both used static code analysis. how decide tool improve ? difference know that: sparse open source coverity should have license utilize it.

is there specific set of bugs can traced coverity/sparse ?

here piece of code in coverity reports issue, sparse not:

foo(){ int x; scanf("%d", &x); switch(x){ case 1: printf("case 1"); case 2: printf("case 2"); break; default: } }

in above set example; coverity study warning of missing break statement in case 1. but,sparse not ?

however, both tools used static code analysis of software. please, share documentation can highlights plus , negatives of both tools.

tools vary in observe , how observe them. general rule, recommend running many tools possible on source code. granted, there number of considerations doing that. first , foremost cost of owning , maintaining 1 tool.

the big names (fortify, code sonar, coverity, klockwerk, etc) expensive buy, , have hefty yearly maintenance cost. on upside, tend preform improve open-source tools.

any tool, open-source or proprietary require "care , feeding", in creation of custom rules, modification of reported etc. should done by, in opinion, dedicated senior programmer versed in theory , practice of secure programming.

the evaluation of tool reports, should done programmer / analyst versed in security. take way message here proficient programmer not secure programmer. there additional sets of knowledge , skills secure programmer.

for brief overview of various tools, suggest looking @ various samate (static-analysis metrics , tool evaluation) reports located here. although not believe samate team ever evaluated "sparse".

i know these more generalities utilize of static analysis tools, given current state of art, suspect these best going get. also, can check out state of art study of software assurance.

c static-code-analysis coverity

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