dalu/uniuri
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Make sure there are at least 2 chars in charset.

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This commit is contained in:
Dmitry Chestnykh 2015-04-04 00:45:19 +02:00
parent d7c89a5f19
commit 46cf8faafd
1 changed files with 2 additions and 2 deletions
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4
uniuri.go
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@ -54,8 +54,8 @@ func NewLenChars(length int, chars []byte) string {
return ""
}
clen := len(chars)
if clen > 256 {
panic("uniuri: maximum length of charset for NewLenChars is 256")
if clen < 2 || clen > 256 {
panic("uniuri: wrong charset length for NewLenChars")
}
maxrb := 255 - (256 % clen)
b := make([]byte, length)