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Improve cache initialization by adding divisor check to prevent division by zero

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Natalia Portillo
2025-10-08 19:39:05 +01:00
parent 6556a943bc
commit d220ac44f3
1 changed files with 14 additions and 4 deletions
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18
src/open.c
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@@ -447,10 +447,20 @@ void *aaruf_open(const char *filepath) // NOLINT(readability-function-size)
// Initialize caches
TRACE("Initializing caches");
ctx->blockHeaderCache.cache = NULL;
ctx->blockHeaderCache.max_items = MAX_CACHE_SIZE / (ctx->imageInfo.SectorSize * (1 << ctx->shift));
ctx->blockCache.cache = NULL;
ctx->blockCache.max_items = ctx->blockHeaderCache.max_items;
ctx->blockHeaderCache.cache = NULL;
ctx->blockCache.cache = NULL;
const uint64_t cache_divisor = (uint64_t)ctx->imageInfo.SectorSize * (1ULL << ctx->shift);
if(cache_divisor == 0)
{
ctx->blockHeaderCache.max_items = 0;
ctx->blockCache.max_items = 0;
}
else
{
ctx->blockHeaderCache.max_items = MAX_CACHE_SIZE / cache_divisor;
ctx->blockCache.max_items = ctx->blockHeaderCache.max_items;
}
// TODO: Cache tracks and sessions?