1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
#+build !freestanding
#+build !js
package crypto_hash
import "core:io"
import "core:os"
// `hash_file` will read the file provided by the given handle and return the
// computed digest in a newly allocated slice.
hash_file_by_handle :: proc(
algorithm: Algorithm,
handle: ^os.File,
load_at_once := false,
allocator := context.allocator,
) -> (
[]byte,
io.Error,
) {
if !load_at_once {
return hash_stream(algorithm, os.to_stream(handle), allocator)
}
buf, err := os.read_entire_file(handle, allocator)
if err != nil {
return nil, io.Error.Unknown
}
defer delete(buf, allocator)
return hash_bytes(algorithm, buf, allocator), io.Error.None
}
hash_file_by_name :: proc(
algorithm: Algorithm,
filename: string,
load_at_once := false,
allocator := context.allocator,
) -> (
[]byte,
io.Error,
) {
handle, err := os.open(filename)
defer os.close(handle)
if err != nil {
return {}, io.Error.Unknown
}
return hash_file_by_handle(algorithm, handle, load_at_once, allocator)
}
hash :: proc {
hash_stream,
hash_file_by_handle,
hash_bytes,
hash_string,
hash_bytes_to_buffer,
hash_string_to_buffer,
}
|
