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GCC 10.3: Wstringop-overflow in FabConv #2660

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GCC 10.3: Wstringop-overflow in FabConv #2660

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5 changes: 5 additions & 0 deletions Src/Base/AMReX_FabConv.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -390,6 +390,11 @@ _pd_btrvout (char* out,
{
char tmp = *p1;
*p1 = *p2;
// In function 'void amrex::_pd_btrvout(char*, amrex::Long, amrex::Long)',
// inlined from 'void amrex::_pd_insert_field(amrex::Long, int, char*, int, int, int)' at ./amrex/Src/Base/AMReX_FabConv.cpp:462:20,
// inlined from 'void amrex::PD_fconvert(void*, const void*, amrex::Long, int, const Long*, const int*, const Long*, const int*, int, int, int)' at ./amrex/Src/Base/AMReX_FabConv.cpp:685:29:
// ./amrex/Src/Base/AMReX_FabConv.cpp:393:17:
// warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
*p2 = tmp;
p1 += nb;
p2 += nb;
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