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Disallow negative sizes in SAVEBLOCK_CHUNK

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GriffinR
2021-10-13 13:29:17 -04:00
parent 1f7eb7ea01
commit 490300daab
1 changed files with 6 additions and 5 deletions
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src/save.c
+6 -5
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@@ -39,11 +39,12 @@
// (u8 *)structure was removed from the first statement of the macro in Emerald // (u8 *)structure was removed from the first statement of the macro in Emerald
// and Fire Red/Leaf Green. This is because malloc is used to allocate addresses // and Fire Red/Leaf Green. This is because malloc is used to allocate addresses
// so storing the raw addresses should not be done in the offsets information. // so storing the raw addresses should not be done in the offsets information.
#define SAVEBLOCK_CHUNK(structure, chunkNum) \ #define SAVEBLOCK_CHUNK(structure, chunkNum) \
{ \ { \
chunkNum * SECTOR_DATA_SIZE, \ chunkNum * SECTOR_DATA_SIZE, \
min(sizeof(structure) - chunkNum * SECTOR_DATA_SIZE, SECTOR_DATA_SIZE) \ sizeof(structure) >= chunkNum * SECTOR_DATA_SIZE ? \
} \ min(sizeof(structure) - chunkNum * SECTOR_DATA_SIZE, SECTOR_DATA_SIZE) : 0 \
}
const struct SaveSectionOffsets gSaveSectionOffsets[] = const struct SaveSectionOffsets gSaveSectionOffsets[] =
{ {