Harden cp_mpi_group() to structural changes. (#91)

samuelkgutierrez · web-flow · commit a1ea57e387e4 · 2024-03-14T15:53:56.000-06:00
Signed-off-by: Samuel K. Gutierrez &lt;samuel@lanl.gov&gt;
diff --git a/src/qvi-mpi.cc b/src/qvi-mpi.cc
@@ -81,6 +81,7 @@ cp_mpi_group(
     const qvi_mpi_group_t *src,
     qvi_mpi_group_t *dst
 ) {
+    static_assert(std::is_trivially_copyable<qvi_mpi_group_t>::value, "");
     memmove(dst, src, sizeof(*src));
 }
 

Original file line number	Diff line number	Diff line change
`@@ -81,6 +81,7 @@ cp_mpi_group(`
`81`	`81`	`const qvi_mpi_group_t *src,`
`82`	`82`	`qvi_mpi_group_t *dst`
`83`	`83`	`) {`
	`84`	`+ static_assert(std::is_trivially_copyable<qvi_mpi_group_t>::value, "");`
`84`	`85`	`memmove(dst, src, sizeof(*src));`
`85`	`86`	`}`
`86`	`87`