MirrorHub/construct
0
0
Fork 0
mirror of https://github.com/matrix-construct/construct synced 2024-12-25 15:04:10 +01:00
Code Issues Releases Wiki Activity

ircd::buffer: Suppress errant array/stringop-overflow in debug+assert mode.

Browse source
This commit is contained in:
Jason Volk 2023-01-15 20:29:18 -08:00
parent c78ab62227
commit f8538d3c5b
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
include/ircd/buffer/copy.h
View file

@ -85,7 +85,18 @@ ircd::buffer::copy(char *&__restrict__ dest,
assert(!overlap(const_buffer(dest, cpsz), src));
assert(cpsz <= size(src));
assert(cpsz <= remain);
// Suppress warnings which present from the __builtin_memcpy() but these
// are actually caused by the overlap assertion above which should have no
// side-effects; this is very likely a bug in gcc.
#pragma GCC diagnostic push
#ifdef RB_ASSERT
#pragma GCC diagnostic ignored "-Warray-bounds"
#pragma GCC diagnostic ignored "-Wstringop-overflow"
#endif
__builtin_memcpy(dest, srcp, cpsz);
#pragma GCC diagnostic pop
dest += cpsz;
assert(dest <= stop);
return dest;