Skip to content

epub: free libxml2 strings with xmlFree instead of g_free#720

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
maxheise wants to merge 1 commit into
base:master
Choose a base branch
from
Open

epub: free libxml2 strings with xmlFree instead of g_free #720

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
63 changes: 43 additions & 20 deletions backend/epub/epub-document.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -943,7 +943,7 @@ get_uri_to_content(const gchar* uri,GError ** error,EpubDocument *epub_document)

GString *absolutepath = g_string_new(tmp_archive_dir);
g_string_append_printf(absolutepath,"/%s",relativepath);
g_free (relativepath);
xmlFree (relativepath);

gchar *content_uri = g_filename_to_uri(absolutepath->str,NULL,&err);
g_string_free(absolutepath,TRUE);
Expand DownExpand Up@@ -1072,7 +1072,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *docu
}
else
{
g_free (newnode->key);
xmlFree (newnode->key);
g_free (newnode);
errorflag = TRUE;
break;
Expand All@@ -1086,14 +1086,14 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *docu
// Handle the html extension (IssueID #266)
if (g_strrstr(relativepath, ".html") != NULL)
g_string_insert_c (absolutepath, absolutepath->len-4, 'x');
g_free (relativepath);
xmlFree (relativepath);

newnode->value = g_filename_to_uri(absolutepath->str,NULL,&err);
g_string_free(absolutepath, TRUE);

if ( newnode->value == NULL )
{
g_free (newnode->key);
xmlFree (newnode->key);
g_free (newnode);
errorflag = TRUE;
break;
Expand DownExpand Up@@ -1136,7 +1136,7 @@ free_tree_nodes(gpointer data)
{
contentListNode* dataptr = data ;
g_free(dataptr->value);
g_free(dataptr->key);
xmlFree(dataptr->key);
g_free(dataptr);
}

Expand All@@ -1145,7 +1145,7 @@ free_link_nodes(gpointer data)
{
linknode* dataptr = data ;
g_free(dataptr->pagelink);
g_free(dataptr->linktext);
xmlFree(dataptr->linktext);

if (dataptr->children) {
g_list_free_full(dataptr->children,(GDestroyNotify)free_link_nodes);
Expand DownExpand Up@@ -1174,6 +1174,7 @@ get_toc_file_name(gchar *containeruri)

xmlretval = NULL;
xml_parse_children_of_node(manifest,(xmlChar*)"item",(xmlChar*)"id",ncx);
xmlFree (ncx);

gchar* tocfilename = (gchar*)xml_get_data_from_node(xmlretval,XML_ATTRIBUTE,(xmlChar*)"href");
xml_free_doc();
Expand DownExpand Up@@ -1215,7 +1216,7 @@ get_child_list(xmlNodePtr ol,gchar* documentdir)
gchar* filename = (gchar*)xml_get_data_from_node(children,XML_ATTRIBUTE,(xmlChar*)"href");
gchar *filepath = g_strdup_printf("%s/%s",documentdir,filename);
newlinknode->pagelink = g_filename_to_uri(filepath,NULL,NULL);
g_free(filename);
xmlFree(filename);
g_free(filepath);
newlinknode->children = NULL;
childlist = g_list_prepend(childlist,newlinknode);
Expand DownExpand Up@@ -1361,12 +1362,12 @@ setup_document_index(EpubDocument *epub_document,gchar *containeruri)
g_string_append_printf (tocpath,"/%s",tocfilename);
index = setup_index_from_navfile(tocpath->str);
g_string_free(tocpath,TRUE);
g_free (tocfilename);
xmlFree (tocfilename);
return index;
}

g_string_append_printf (tocpath,"/%s",tocfilename);
g_free (tocfilename);
xmlFree (tocfilename);

open_xml_document(tocpath->str);
g_string_free(tocpath,TRUE);
Expand All@@ -1377,7 +1378,9 @@ setup_document_index(EpubDocument *epub_document,gchar *containeruri)
xml_parse_children_of_node(docTitle,(xmlChar*)"text",NULL,NULL);

while (epub_document->docTitle == NULL && xmlretval != NULL) {
epub_document->docTitle = (gchar*)xml_get_data_from_node(xmlretval,XML_KEYWORD,NULL);
xmlChar *titledata = xml_get_data_from_node(xmlretval,XML_KEYWORD,NULL);
epub_document->docTitle = g_strdup((const gchar*)titledata);
xmlFree(titledata);
xmlretval = xmlretval->next;
}
xmlNodePtr navMap = xml_get_pointer_to_node((xmlChar*)"navMap",NULL,NULL);
Expand DownExpand Up@@ -1441,21 +1444,35 @@ epub_document_get_info(EvDocument *document)
if ( metanode == NULL )
epubinfo->title = NULL ;
else
epubinfo->title = (char*)xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
{
xmlChar *title = xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
epubinfo->title = g_strdup((const char*)title);
xmlFree(title);
}

metanode = xml_get_pointer_to_node((xmlChar*)"creator",NULL,NULL);
if ( metanode == NULL )
epubinfo->author = g_strdup("unknown");
else
epubinfo->author = (char*)xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
{
xmlChar *author = xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
epubinfo->author = g_strdup((const char*)author);
xmlFree(author);
}

metanode = xml_get_pointer_to_node((xmlChar*)"subject",NULL,NULL);
if ( metanode == NULL )
epubinfo->subject = g_strdup("unknown");
else
epubinfo->subject = (char*)xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
{
xmlChar *subject = xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
epubinfo->subject = g_strdup((const char*)subject);
xmlFree(subject);
}

buffer = g_string_new((gchar*)xml_get_data_from_node (xmlroot,XML_ATTRIBUTE,(xmlChar*)"version"));
xmlChar *version = xml_get_data_from_node (xmlroot,XML_ATTRIBUTE,(xmlChar*)"version");
buffer = g_string_new((gchar*)version);
xmlFree (version);
g_string_prepend(buffer,"epub ");
epubinfo->format = g_string_free(buffer,FALSE);

Expand All@@ -1467,7 +1484,11 @@ epub_document_get_info(EvDocument *document)
if ( metanode == NULL )
epubinfo->creator = g_strdup("unknown");
else
epubinfo->creator = (char*)xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
{
xmlChar *creator = xml_get_data_from_node(metanode,XML_KEYWORD,NULL);
epubinfo->creator = g_strdup((const char*)creator);
xmlFree(creator);
}

/* number of pages */
epubinfo->n_pages = epub_document_get_n_pages(document);
Expand DownExpand Up@@ -1508,7 +1529,7 @@ change_to_night_sheet(contentListNode *nodedata,gpointer user_data)
if ( (class = (gchar*)xml_get_data_from_node(day,XML_ATTRIBUTE,(xmlChar*)"class")) == NULL) {
xmlSetProp(day,(xmlChar*)"class",(xmlChar*)"day");
}
g_free(class);
xmlFree(class);
xmlSetProp(day,(xmlChar*)"rel",(xmlChar*)"alternate stylesheet");
xmlretval = NULL;
xml_parse_children_of_node(head,(xmlChar*)"link",(xmlChar*)"class",(xmlChar*)"night");
Expand DownExpand Up@@ -1621,7 +1642,7 @@ epub_document_check_add_night_sheet(EvDocument *document)
g_list_foreach(epub_document->contentList,(GFunc)add_night_sheet,csspath);
g_free(csspath);
}
g_free(stylesheetfilename);
xmlFree(stylesheetfilename);
}

static void
Expand All@@ -1645,7 +1666,9 @@ epub_document_set_document_title(gchar *containeruri)

xmlNodePtr title = xml_get_pointer_to_node((xmlChar*)"title",NULL,NULL);

doctitle = (gchar*)xml_get_data_from_node(title, XML_KEYWORD, NULL);
xmlChar *titledata = xml_get_data_from_node(title, XML_KEYWORD, NULL);
doctitle = g_strdup((const gchar*)titledata);
xmlFree(titledata);
xml_free_doc();

return doctitle;
Expand DownExpand Up@@ -1741,10 +1764,10 @@ epub_document_add_mathJax(gchar* containeruri,gchar* documentdir)
gchar *filename = g_strdup_printf("%s/%s",documentdir,href);

add_mathjax_script_node_to_file(filename,nodedata);
g_free(href);
xmlFree(href);
g_free(filename);
}
g_free(mathml);
xmlFree(mathml);
item = item->next;
}
xml_free_doc();
Expand Down