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| author | Daniel Silverstone <dsilvers@netsurf-browser.org> | 2012-07-05 09:34:58 +0100 |
|---|---|---|
| committer | Daniel Silverstone <dsilvers@netsurf-browser.org> | 2012-07-05 09:34:58 +0100 |
| commit | f1a0330ff6b4ccbc3c1917c801b8a35da098fc45 (patch) | |
| tree | c77b4b657d5a1027deefc070075d7bbe1b3d9874 | |
| parent | 65a011d0c6ce6f142b3c8fcf612d982ba60fa3aa (diff) | |
| download | libdom-f1a0330ff6b4ccbc3c1917c801b8a35da098fc45.tar.gz libdom-f1a0330ff6b4ccbc3c1917c801b8a35da098fc45.tar.bz2 | |
DOMDocument: Memoize the empty string
| -rw-r--r-- | src/core/document.c | 10 | ||||
| -rw-r--r-- | src/core/document.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/core/document.c b/src/core/document.c index 5a286fc..c43f0bc 100644 --- a/src/core/document.c +++ b/src/core/document.c @@ -140,6 +140,16 @@ dom_exception _dom_document_initialise(dom_document *doc, if (err != DOM_NO_ERR) return err; + /* Intern the empty string. The use of a space in the constant + * is to prevent the compiler warning about an empty string. + */ + err = dom_string_create_interned((const uint8_t *) ' ', 0, + &doc->_memo_empty); + if (err != DOM_NO_ERR) { + dom_string_unref(doc->class_string); + return err; + } + /* We should not pass a NULL when all things hook up */ return _dom_document_event_internal_initialise(doc, &doc->dei, daf); } diff --git a/src/core/document.h b/src/core/document.h index a2b1801..6cf1f91 100644 --- a/src/core/document.h +++ b/src/core/document.h @@ -58,6 +58,7 @@ struct dom_document { /**< The DocumentEvent interface */ dom_document_quirks_mode quirks; /**< Document is in quirks mode */ + dom_string *_memo_empty; /**< The string ''. */ }; /* Create a DOM document */ |