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Disallow negative sizes in SAVEBLOCK_CHUNK

This commit is contained in:
GriffinR 2021-10-13 13:19:15 -04:00
parent e26f9d10d7
commit 5860e0e937
1 changed files with 6 additions and 5 deletions
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11
src/save.c
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@ -43,11 +43,12 @@ static u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location);
// (u8 *)structure was removed from the first statement of the macro in Emerald.
// This is because malloc is used to allocate addresses so storing the raw
// addresses should not be done in the offsets information.
#define SAVEBLOCK_CHUNK(structure, chunkNum) \
{ \
chunkNum * SECTOR_DATA_SIZE, \
min(sizeof(structure) - chunkNum * SECTOR_DATA_SIZE, SECTOR_DATA_SIZE) \
} \
#define SAVEBLOCK_CHUNK(structure, chunkNum) \
{ \
chunkNum * SECTOR_DATA_SIZE, \
sizeof(structure) >= chunkNum * SECTOR_DATA_SIZE ? \
min(sizeof(structure) - chunkNum * SECTOR_DATA_SIZE, SECTOR_DATA_SIZE) : 0 \
}
static const struct SaveSectionOffsets sSaveSectionOffsets[] =
{