diff options
author | 2019-10-18 20:35:53 -0400 | |
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committer | 2019-10-18 20:36:22 -0400 | |
commit | dd46572f6db798b7dce9bac74be29046377b37a7 (patch) | |
tree | f86fdf954e2db9054759ad7bdd929fb25d77f9ac /src/devices/video/sprite.h | |
parent | d991043cea16edc82d205b8b655bef5316fb4dc8 (diff) |
sprite: Add some sanity checks (nw)
Diffstat (limited to 'src/devices/video/sprite.h')
-rw-r--r-- | src/devices/video/sprite.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/video/sprite.h b/src/devices/video/sprite.h index 93cd38190a6..2ef3234b9d9 100644 --- a/src/devices/video/sprite.h +++ b/src/devices/video/sprite.h @@ -105,13 +105,13 @@ public: _SpriteRAMType *buffer() { return &m_buffer[0]; } // configuration - void set_spriteram(_SpriteRAMType *base, uint32_t bytes) { m_spriteram = base; m_spriteram_bytes = bytes; m_buffer.resize(m_spriteram_bytes / sizeof(_SpriteRAMType)); } + void set_spriteram(_SpriteRAMType *base, uint32_t bytes) { assert(base != nullptr && bytes != 0); m_spriteram = base; m_spriteram_bytes = bytes; m_buffer.resize(m_spriteram_bytes / sizeof(_SpriteRAMType)); } void set_origin(int32_t xorigin = 0, int32_t yorigin = 0) { m_xorigin = xorigin; m_yorigin = yorigin; } void set_xorigin(int32_t xorigin) { m_xorigin = xorigin; } void set_yorigin(int32_t yorigin) { m_yorigin = yorigin; } // buffering - void copy_to_buffer() { memcpy(m_buffer, m_spriteram, m_spriteram_bytes); } + void copy_to_buffer() { assert(m_spriteram != nullptr); memcpy(m_buffer, m_spriteram, m_spriteram_bytes); } // clearing void clear() { clear(m_bitmap.cliprect()); } |