Skip to content

C
cpython
Kaydet (Commit) 992ded8f authored tarafından Guido van Rossum's avatar Guido van Rossum
Dosyalara gözat
Seçenekler

fix free memory reads in dictlookup et al

üst e5fe4af0
Hide whitespace changes
Inline Side-by-side
Showing with 14 additions and 20 deletions
Objects/dictobject.c
Dosyayı görüntüle @ 992ded8f
......@@ -761,7 +761,7 @@ typeobject Mappingtype = {
/* For backward compatibility with old dictionary interface */
static object *last_name_object;
static char *last_name_char;
static char *last_name_char; /* NULL or == getstringvalue(last_name_object) */
object *
getattro(v, name)
......@@ -797,15 +797,14 @@ dictlookup(v, key)
object *v;
char *key;
{
if (key != last_name_char ||
strcmp(key, getstringvalue(last_name_object)) != 0) {
if (key != last_name_char) {
XDECREF(last_name_object);
last_name_object = newstringobject(key);
if (last_name_object == NULL) {
last_name_char = NULL;
return NULL;
}
last_name_char = key;
last_name_char = getstringvalue(last_name_object);
}
return mappinglookup(v, last_name_object);
}
......@@ -816,15 +815,14 @@ dictinsert(v, key, item)
char *key;
object *item;
{
if (key != last_name_char ||
strcmp(key, getstringvalue(last_name_object)) != 0) {
if (key != last_name_char) {
XDECREF(last_name_object);
last_name_object = newstringobject(key);
if (last_name_object == NULL) {
last_name_char = NULL;
return -1;
}
last_name_char = key;
last_name_char = getstringvalue(last_name_object);
}
return mappinginsert(v, last_name_object, item);
}
......@@ -834,15 +832,14 @@ dictremove(v, key)
object *v;
char *key;
{
if (key != last_name_char ||
strcmp(key, getstringvalue(last_name_object)) != 0) {
if (key != last_name_char) {
XDECREF(last_name_object);
last_name_object = newstringobject(key);
if (last_name_object == NULL) {
last_name_char = NULL;
return -1;
}
last_name_char = key;
last_name_char = getstringvalue(last_name_object);
}
return mappingremove(v, last_name_object);
}
Objects/mappingobject.c
Dosyayı görüntüle @ 992ded8f
......@@ -761,7 +761,7 @@ typeobject Mappingtype = {
/* For backward compatibility with old dictionary interface */
static object *last_name_object;
static char *last_name_char;
static char *last_name_char; /* NULL or == getstringvalue(last_name_object) */
object *
getattro(v, name)
......@@ -797,15 +797,14 @@ dictlookup(v, key)
object *v;
char *key;
{
if (key != last_name_char ||
strcmp(key, getstringvalue(last_name_object)) != 0) {
if (key != last_name_char) {
XDECREF(last_name_object);
last_name_object = newstringobject(key);
if (last_name_object == NULL) {
last_name_char = NULL;
return NULL;
}
last_name_char = key;
last_name_char = getstringvalue(last_name_object);
}
return mappinglookup(v, last_name_object);
}
......@@ -816,15 +815,14 @@ dictinsert(v, key, item)
char *key;
object *item;
{
if (key != last_name_char ||
strcmp(key, getstringvalue(last_name_object)) != 0) {
if (key != last_name_char) {
XDECREF(last_name_object);
last_name_object = newstringobject(key);
if (last_name_object == NULL) {
last_name_char = NULL;
return -1;
}
last_name_char = key;
last_name_char = getstringvalue(last_name_object);
}
return mappinginsert(v, last_name_object, item);
}
......@@ -834,15 +832,14 @@ dictremove(v, key)
object *v;
char *key;
{
if (key != last_name_char ||
strcmp(key, getstringvalue(last_name_object)) != 0) {
if (key != last_name_char) {
XDECREF(last_name_object);
last_name_object = newstringobject(key);
if (last_name_object == NULL) {
last_name_char = NULL;
return -1;
}
last_name_char = key;
last_name_char = getstringvalue(last_name_object);
}
return mappingremove(v, last_name_object);
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment