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Improve cache initialization to prevent division by zero in blockHeaderCache

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Natalia Portillo
2025-10-08 19:43:21 +01:00
parent ea63297348
commit 97bc659571
1 changed files with 3 additions and 2 deletions
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5
src/create.c
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@@ -396,8 +396,9 @@ void *aaruf_create(const char *filepath, const uint32_t media_type, const uint32
// Initialize caches // Initialize caches
TRACE("Initializing caches"); TRACE("Initializing caches");
ctx->blockHeaderCache.cache = NULL; ctx->blockHeaderCache.cache = NULL;
ctx->blockHeaderCache.max_items = MAX_CACHE_SIZE / (ctx->imageInfo.SectorSize * (1 << ctx->shift)); const uint64_t cache_divisor = (uint64_t)ctx->imageInfo.SectorSize * (1ULL << ctx->shift);
ctx->blockHeaderCache.max_items = cache_divisor == 0 ? 0 : MAX_CACHE_SIZE / cache_divisor;
ctx->blockCache.cache = NULL; ctx->blockCache.cache = NULL;
ctx->blockCache.max_items = ctx->blockHeaderCache.max_items; ctx->blockCache.max_items = ctx->blockHeaderCache.max_items;