Rte_memcpy should not be used for the simple case of copying a fix size structure because it is slower and will hide problems from code analysis tools. Coverity, fortify and other analyzers special case memcpy().
Gcc (and Clang) are smart enough to inline copies which will be faster. Signed-off-by: Stephen Hemminger <step...@networkplumber.org> --- devtools/cocci/rte_memcpy.cocci | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 devtools/cocci/rte_memcpy.cocci diff --git a/devtools/cocci/rte_memcpy.cocci b/devtools/cocci/rte_memcpy.cocci new file mode 100644 index 000000000000..fa1038fc066d --- /dev/null +++ b/devtools/cocci/rte_memcpy.cocci @@ -0,0 +1,11 @@ +// +// rte_memcpy should not be used for simple fixed size structure +// because compiler's are smart enough to inline these. +// +@@ +expression src, dst; constant size; +@@ +( +- rte_memcpy(dst, src, size) ++ memcpy(dst, src, size) +) -- 2.43.0
