diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/scan.go')
| -rw-r--r-- | vendor/github.com/miekg/dns/scan.go | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/vendor/github.com/miekg/dns/scan.go b/vendor/github.com/miekg/dns/scan.go index 57be98827..3083c3e5f 100644 --- a/vendor/github.com/miekg/dns/scan.go +++ b/vendor/github.com/miekg/dns/scan.go @@ -10,13 +10,13 @@ import ( "strings" ) -const maxTok = 2048 // Largest token we can return. +const maxTok = 512 // Token buffer start size, and growth size amount. // The maximum depth of $INCLUDE directives supported by the // ZoneParser API. const maxIncludeDepth = 7 -// Tokinize a RFC 1035 zone file. The tokenizer will normalize it: +// Tokenize a RFC 1035 zone file. The tokenizer will normalize it: // * Add ownernames if they are left blank; // * Suppress sequences of spaces; // * Make each RR fit on one line (_NEWLINE is send as last) @@ -765,8 +765,8 @@ func (zl *zlexer) Next() (lex, bool) { } var ( - str [maxTok]byte // Hold string text - com [maxTok]byte // Hold comment text + str = make([]byte, maxTok) // Hold string text + com = make([]byte, maxTok) // Hold comment text stri int // Offset in str (0 means empty) comi int // Offset in com (0 means empty) @@ -785,14 +785,12 @@ func (zl *zlexer) Next() (lex, bool) { l.line, l.column = zl.line, zl.column if stri >= len(str) { - l.token = "token length insufficient for parsing" - l.err = true - return *l, true + // if buffer length is insufficient, increase it. + str = append(str[:], make([]byte, maxTok)...) } if comi >= len(com) { - l.token = "comment length insufficient for parsing" - l.err = true - return *l, true + // if buffer length is insufficient, increase it. + com = append(com[:], make([]byte, maxTok)...) } switch x { @@ -816,7 +814,7 @@ func (zl *zlexer) Next() (lex, bool) { if stri == 0 { // Space directly in the beginning, handled in the grammar } else if zl.owner { - // If we have a string and its the first, make it an owner + // If we have a string and it's the first, make it an owner l.value = zOwner l.token = string(str[:stri]) |