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Fix inaccurate comment for uvarint

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This fixes the comment to be consistent with the code, and fixes spelling.

Fixes Issue #111
This commit is contained in:
gammazero
2020-10-09 11:20:18 -07:00
committed by Rod Vagg
parent efe2d2de45
commit ec089b8a53
1 changed files with 7 additions and 10 deletions
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17
varint.go
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@@ -4,7 +4,7 @@ import (
"github.com/multiformats/go-varint"
)
// Version of varint function that work with a string rather than
// Version of varint function that works with a string rather than
// []byte to avoid unnecessary allocation
// Copyright 2011 The Go Authors. All rights reserved.
@@ -12,23 +12,20 @@ import (
// license as given at https://golang.org/LICENSE
// uvarint decodes a uint64 from buf and returns that value and the
// number of characters read (> 0). If an error occurred, the value is 0
// and the number of bytes n is <= 0 meaning:
//
// n == 0: buf too small
// n < 0: value larger than 64 bits (overflow)
// and -n is the number of bytes read
//
// number of characters read (> 0). If an error occurred, then 0 is
// returned for both the value and the number of bytes read, and an
// error is returned.
func uvarint(buf string) (uint64, int, error) {
var x uint64
var s uint
// we have a binary string so we can't use a range loope
// we have a binary string so we can't use a range loop
for i := 0; i < len(buf); i++ {
b := buf[i]
if b < 0x80 {
if i > 9 || i == 9 && b > 1 {
return 0, 0, varint.ErrOverflow
} else if b == 0 && i > 0 {
}
if b == 0 && i > 0 {
return 0, 0, varint.ErrNotMinimal
}
return x | uint64(b)<<s, i + 1, nil