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Fix error for uuid to require 36 bytes instead 32 (4 bytes for dashes)

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This commit is contained in:
Ed Yu
2024-08-26 10:22:37 -07:00
parent f56b895c05
commit 4e2bce0c83
1 changed files with 20 additions and 15 deletions
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35
core/encoding/uuid/writing.odin
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@@ -11,7 +11,7 @@ Write a UUID in the 8-4-4-4-12 format.
This procedure performs error checking with every byte written.
If you can guarantee beforehand that your stream has enough space to hold the
UUID (32 bytes), then it is better to use `unsafe_write` instead as that will
UUID (36 bytes), then it is better to use `unsafe_write` instead as that will
be faster.
Inputs:
@@ -22,7 +22,7 @@ Returns:
- error: An `io` error, if one occurred, otherwise `nil`.
*/
write :: proc(w: io.Writer, id: Identifier) -> (error: io.Error) #no_bounds_check {
write_octet :: proc (w: io.Writer, octet: u8) -> io.Error #no_bounds_check {
write_octet :: proc(w: io.Writer, octet: u8) -> io.Error #no_bounds_check {
high_nibble := octet >> 4
low_nibble := octet & 0xF
@@ -31,15 +31,15 @@ write :: proc(w: io.Writer, id: Identifier) -> (error: io.Error) #no_bounds_chec
return nil
}
for index in 0 ..< 4 { write_octet(w, id[index]) or_return }
for index in 0 ..< 4 {write_octet(w, id[index]) or_return}
io.write_byte(w, '-') or_return
for index in 4 ..< 6 { write_octet(w, id[index]) or_return }
for index in 4 ..< 6 {write_octet(w, id[index]) or_return}
io.write_byte(w, '-') or_return
for index in 6 ..< 8 { write_octet(w, id[index]) or_return }
for index in 6 ..< 8 {write_octet(w, id[index]) or_return}
io.write_byte(w, '-') or_return
for index in 8 ..< 10 { write_octet(w, id[index]) or_return }
for index in 8 ..< 10 {write_octet(w, id[index]) or_return}
io.write_byte(w, '-') or_return
for index in 10 ..< 16 { write_octet(w, id[index]) or_return }
for index in 10 ..< 16 {write_octet(w, id[index]) or_return}
return nil
}
@@ -54,7 +54,7 @@ Inputs:
- id: The identifier to convert.
*/
unsafe_write :: proc(w: io.Writer, id: Identifier) #no_bounds_check {
write_octet :: proc (w: io.Writer, octet: u8) #no_bounds_check {
write_octet :: proc(w: io.Writer, octet: u8) #no_bounds_check {
high_nibble := octet >> 4
low_nibble := octet & 0xF
@@ -62,15 +62,15 @@ unsafe_write :: proc(w: io.Writer, id: Identifier) #no_bounds_check {
io.write_byte(w, strconv.digits[low_nibble])
}
for index in 0 ..< 4 { write_octet(w, id[index]) }
for index in 0 ..< 4 {write_octet(w, id[index])}
io.write_byte(w, '-')
for index in 4 ..< 6 { write_octet(w, id[index]) }
for index in 4 ..< 6 {write_octet(w, id[index])}
io.write_byte(w, '-')
for index in 6 ..< 8 { write_octet(w, id[index]) }
for index in 6 ..< 8 {write_octet(w, id[index])}
io.write_byte(w, '-')
for index in 8 ..< 10 { write_octet(w, id[index]) }
for index in 8 ..< 10 {write_octet(w, id[index])}
io.write_byte(w, '-')
for index in 10 ..< 16 { write_octet(w, id[index]) }
for index in 10 ..< 16 {write_octet(w, id[index])}
}
/*
@@ -106,7 +106,7 @@ Convert a UUID to a string in the 8-4-4-4-12 format.
Inputs:
- id: The identifier to convert.
- buffer: A byte buffer to store the result. Must be at least 32 bytes large.
- buffer: A byte buffer to store the result. Must be at least 36 bytes large.
- loc: The caller location for debugging purposes (default: #caller_location)
Returns:
@@ -119,7 +119,11 @@ to_string_buffer :: proc(
) -> (
str: string,
) {
assert(len(buffer) >= EXPECTED_LENGTH, "The buffer provided is not at least 32 bytes large.", loc)
assert(
len(buffer) >= EXPECTED_LENGTH,
"The buffer provided is not at least 36 bytes large.",
loc,
)
builder := strings.builder_from_bytes(buffer)
unsafe_write(strings.to_writer(&builder), id)
return strings.to_string(builder)
@@ -129,3 +133,4 @@ to_string :: proc {
to_string_allocated,
to_string_buffer,
}