romein/go-fmp
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Code Issues Releases Activity

Store everything in uint64 to avoid overflow

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This commit is contained in:
Romein van Buren
2025-06-12 11:52:09 +02:00
parent 8562e1147b
commit d715fe6e64
5 changed files with 55 additions and 60 deletions
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18
fmp/fmp_type.go
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@ -19,20 +19,20 @@ type FmpFile struct {
type FmpSector struct {
Deleted bool
Level uint8
PrevSectorID uint32
NextSectorID uint32
PrevSectorID uint64
NextSectorID uint64
Chunks []*FmpChunk
}
type FmpChunk struct {
Type FmpChunkType
Length uint32
Key uint32 // If Type == FMP_CHUNK_SHORT_KEY_VALUE or FMP_CHUNK_LONG_KEY_VALUE
Index uint32 // Segment index, if Type == FMP_CHUNK_SEGMENTED_DATA
Length uint64
Key uint64 // If Type == FMP_CHUNK_SHORT_KEY_VALUE or FMP_CHUNK_LONG_KEY_VALUE
Index uint64 // Segment index, if Type == FMP_CHUNK_SEGMENTED_DATA
Value []byte
}
type FmpDict map[uint16]*FmpDictEntry
type FmpDict map[uint64]*FmpDictEntry
type FmpDictEntry struct {
Value []byte
@ -43,7 +43,7 @@ type FmpTable struct {
Name string
}
func (dict *FmpDict) get(path []uint16) *FmpDictEntry {
func (dict *FmpDict) get(path []uint64) *FmpDictEntry {
for i, key := range path {
_, ok := (*dict)[key]
if !ok {
@ -59,7 +59,7 @@ func (dict *FmpDict) get(path []uint16) *FmpDictEntry {
return nil
}
func (dict *FmpDict) getValue(path []uint16) []byte {
func (dict *FmpDict) getValue(path []uint64) []byte {
ent := dict.get(path)
if ent != nil {
return ent.Value
@ -67,7 +67,7 @@ func (dict *FmpDict) getValue(path []uint16) []byte {
return nil
}
func (dict *FmpDict) set(path []uint16, value []byte) {
func (dict *FmpDict) set(path []uint64, value []byte) {
for i, key := range path {
_, ok := (*dict)[key]
if !ok {