Disallow negative sizes in SAVEBLOCK_CHUNK

2021-10-13 13:29:17 -04:00
parent 1f7eb7ea01
commit 490300daab
1 changed files with 6 additions and 5 deletions
@@ -42,8 +42,9 @@
 #define SAVEBLOCK_CHUNK(structure, chunkNum)                                   \
 {                                                                              \
    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[] =
 {