experiments/clixon
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fixed memory issue as result of optimization, modify xmldb_copy to reset rather than free

Browse source
This commit is contained in:
Olof hagsand 2025-01-16 17:26:23 +01:00
parent fa62eb0872
commit b7d91607b6
3 changed files with 29 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

3
lib/clixon/clixon_xml.h
View file

@ -242,7 +242,7 @@ char *xml_value(cxobj *xn);
int xml_value_set(cxobj *xn, char *val);
int xml_value_append(cxobj *xn, char *val);
enum cxobj_type xml_type(cxobj *xn);
enum cxobj_type xml_type_set(cxobj *xn, enum cxobj_type type);
int xml_child_nr(cxobj *xn);
int xml_child_nr_type(cxobj *xn, enum cxobj_type type);
int xml_child_nr_notype(cxobj *xn, enum cxobj_type type);
@ -285,6 +285,7 @@ cxobj *xml_find_type(cxobj *xn_parent, const char *prefix, const char *name,
char *xml_find_value(cxobj *xn_parent, const char *name);
char *xml_find_body(cxobj *xn, const char *name);
cxobj *xml_find_body_obj(cxobj *xt, const char *name, char *val);
int xml_free0(cxobj *x);
int xml_free(cxobj *xn);
int xml_copy_one(cxobj *xn0, cxobj *xn1);
int xml_copy(cxobj *x0, cxobj *x1);

5
lib/src/clixon_datastore.c
View file

@ -328,8 +328,9 @@ xmldb_copy(clixon_handle h,
goto done;
}
else{ /* copy x1 to x2 */
xml_free(x2);
if ((x2 = xml_new(xml_name(x1), NULL, CX_ELMNT)) == NULL)
xml_free0(x2);
xml_type_set(x2, CX_ELMNT);
if (xml_name_set(x2, xml_name(x1)) < 0)
goto done;
xml_flag_set(x2, XML_FLAG_TOP);
if (xml_copy(x1, x2) < 0)

30
lib/src/clixon_xml.c
View file

@ -743,7 +743,7 @@ xml_type(cxobj *xn)
* @param[in] type new type
* @retval type old type
*/
static enum cxobj_type
enum cxobj_type
xml_type_set(cxobj *xn,
enum cxobj_type type)
{
@ -1945,26 +1945,28 @@ xml_find_body_obj(cxobj *xt,
return x;
}
/*! Free an xl sub-tree recursively, but do not remove it from parent
/*! Free an xml sub-tree recursively, reset it, but not object itself, do not remove it from parent
*
* @param[in] x the xml tree to be freed.
* @param[in] x the xml tree to be reset
* @see xml_purge where x is also removed from parent
* @see xml_free also free object
*/
int
xml_free(cxobj *x)
xml_free0(cxobj *x)
{
int i;
cxobj *xc;
size_t sz;
if (x == NULL){
if (x == NULL)
return 0;
}
if (x->x_name)
free(x->x_name);
if (x->x_prefix)
free(x->x_prefix);
switch (xml_type(x)){
case CX_ELMNT:
sz = sizeof(struct xml);
for (i=0; i<x->x_childvec_len; i++){
if ((xc = x->x_childvec[i]) != NULL){
xml_free(xc);
@ -1983,12 +1985,28 @@ xml_free(cxobj *x)
break;
case CX_BODY:
case CX_ATTR:
sz = sizeof(struct xmlbody);
if (x->x_value_cb)
cbuf_free(x->x_value_cb);
break;
default:
break;
}
memset(x, 0, sz);
return 0;
}
/*! Free an xml sub-tree recursively, but do not remove it from parent
*
* @param[in] x the xml tree to be freed.
* @see xml_purge where x is also removed from parent
*/
int
xml_free(cxobj *x)
{
if (x == NULL)
return 0;
xml_free0(x);
free(x);
_stats_xml_nr--;
return 0;