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authorNorbert Preining <norbert@preining.info>2023-01-12 03:01:29 +0000
committerNorbert Preining <norbert@preining.info>2023-01-12 03:01:29 +0000
commit6a7900c93acc16d1bbd2f1e26286c7dd7387e6c0 (patch)
tree76196287351cba68a51934c49468bf1a7846aa76 /dviware/dvisvgm/src/optimizer/ClipPathReassigner.cpp
parentc1c19023b4b1d43cb874f84df5102b485853e672 (diff)
CTAN sync 202301120301
Diffstat (limited to 'dviware/dvisvgm/src/optimizer/ClipPathReassigner.cpp')
-rw-r--r--dviware/dvisvgm/src/optimizer/ClipPathReassigner.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/dviware/dvisvgm/src/optimizer/ClipPathReassigner.cpp b/dviware/dvisvgm/src/optimizer/ClipPathReassigner.cpp
index 0f684cd7eb..28d9a64346 100644
--- a/dviware/dvisvgm/src/optimizer/ClipPathReassigner.cpp
+++ b/dviware/dvisvgm/src/optimizer/ClipPathReassigner.cpp
@@ -2,7 +2,7 @@
** ClipPathReassigner.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2022 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2023 Martin Gieseking <martin.gieseking@uos.de> **
** **
** This program is free software; you can redistribute it and/or **
** modify it under the terms of the GNU General Public License as **
@@ -35,12 +35,14 @@ const char* ClipPathReassigner::info () const {
/** Returns a hash value for an XML element where the id attribute is not taken into account.
* Two elements that differ only by their id attribute get the same hash value. */
static uint64_t hash_value (XMLElement *elem) {
- const char *id = elem->getAttributeValue("id");
+ string id;
+ if (const char* idval = elem->getAttributeValue("id"))
+ id = idval;
elem->removeAttribute("id");
ostringstream oss;
elem->write(oss);
uint64_t value = XXH64HashFunction(oss.str().data(), oss.str().length()).digestValue();
- if (id)
+ if (!id.empty())
elem->addAttribute("id", id);
return value;
}