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update: imohash samples more of the file

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This commit is contained in:
Zack 2024-06-06 10:19:23 -07:00
parent 50e0f625bc
commit 5cf4d7c103
2 changed files with 5 additions and 4 deletions
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7
src/utils/utils.go
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@ -186,15 +186,16 @@ func MD5HashFile(fname string, doShowProgress bool) (hash256 []byte, err error)
return return
} }
var imofull = imohash.NewCustom(0, 0)
var imopartial = imohash.NewCustom(16*16*8*1024, 128*1024)
// IMOHashFile returns imohash // IMOHashFile returns imohash
func IMOHashFile(fname string) (hash []byte, err error) { func IMOHashFile(fname string) (hash []byte, err error) {
b, err := imohash.SumFile(fname) b, err := imopartial.SumFile(fname)
hash = b[:] hash = b[:]
return return
} }
var imofull = imohash.NewCustom(0, 0)
// IMOHashFileFull returns imohash of full file // IMOHashFileFull returns imohash of full file
func IMOHashFileFull(fname string) (hash []byte, err error) { func IMOHashFileFull(fname string) (hash []byte, err error) {
b, err := imofull.SumFile(fname) b, err := imofull.SumFile(fname)

2
src/utils/utils_test.go
View file

@ -108,7 +108,7 @@ func TestIMOHashFile(t *testing.T) {
defer os.Remove("bigfile.test") defer os.Remove("bigfile.test")
b, err := IMOHashFile("bigfile.test") b, err := IMOHashFile("bigfile.test")
assert.Nil(t, err) assert.Nil(t, err)
assert.Equal(t, "c0d1e123ca94148ffea146137684ebb9", fmt.Sprintf("%x", b)) assert.Equal(t, "c0d1e12301e6c635f6d4a8ea5c897437", fmt.Sprintf("%x", b))
} }
func TestXXHashFile(t *testing.T) { func TestXXHashFile(t *testing.T) {