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falkTX / Carla

Audio plugin host
https://kx.studio/carla
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-Wstringop-overflow= compiler warnings in atom-helpers.h #1459

Open alex-tee opened 3 years ago

alex-tee commented 3 years ago

built carla using yay -S carla-git from AUR, got these warnings

Compiling CarlaBridgeSingleLV2.cpp
In file included from ../utils/CarlaLv2Utils.hpp:39,
                 from ../backend/plugin/CarlaPluginLV2.cpp:25:
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:3823:50:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 32 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4153:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 32 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4153:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 33 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4153:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 34 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4124:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 32 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4124:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 33 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4124:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 34 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4067:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 32 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4067:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 33 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
      |                           ^~~~~
In function ‘bool lv2_atom_buffer_write(LV2_Atom_Buffer_Iterator*, uint32_t, uint32_t, uint32_t, uint32_t, const uint8_t*)’,
    inlined from ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’ at ../backend/plugin/CarlaPluginLV2.cpp:4035:54:
../includes/lv2/atom-helpers.h:234:15: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  234 |         memcpy(LV2_ATOM_BODY(&ev->body), data, size);
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../includes/lv2/atom-helpers.h: In member function ‘virtual void CarlaBackend::CarlaPluginLV2::process(const float* const*, float**, const float* const*, float**, uint32_t)’:
../includes/lv2/atom-helpers.h:57:27: note: at offset 32 into destination object ‘_LV2_Atom_Buffer::atoms’ of size 16
   57 |         LV2_Atom_Sequence atoms;
alex-tee commented 3 years ago

gcc 11.1.0