aaru-dps/libaaruformat
1
0
Fork 0
mirror of https://github.com/aaru-dps/libaaruformat.git synced 2025-12-16 19:24:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve cache initialization to prevent division by zero in blockHeaderCache

Browse Source
This commit is contained in:
Natalia Portillo
2025-10-08 19:43:21 +01:00
parent ea63297348
commit 97bc659571
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/create.c
View File

@@ -396,8 +396,9 @@ void *aaruf_create(const char *filepath, const uint32_t media_type, const uint32
// Initialize caches
TRACE("Initializing caches");
ctx->blockHeaderCache.cache = NULL;
ctx->blockHeaderCache.max_items = MAX_CACHE_SIZE / (ctx->imageInfo.SectorSize * (1 << ctx->shift));
ctx->blockHeaderCache.cache = NULL;
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.max_items = ctx->blockHeaderCache.max_items;