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Made a bit more robust against out-of-memory situations

This commit is contained in:
Jack Jansen 1995-10-27 13:21:28 +00:00
parent 10d0f8fc40
commit 9513f2c95a
1 changed files with 35 additions and 12 deletions
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47
Python/marshal.c
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@ -280,7 +280,7 @@ static object *
r_object(p)
RFILE *p;
{
object *v;
object *v, *v2;
long i, n;
int type = r_byte(p);
@ -347,8 +347,15 @@ r_object(p)
v = newtupleobject((int)n);
if (v == NULL)
return v;
for (i = 0; i < n; i++)
SETTUPLEITEM(v, (int)i, r_object(p));
for (i = 0; i < n; i++) {
v2 = r_object(p);
if ( v2 == NULL ) {
DECREF(v);
v = NULL;
break;
}
SETTUPLEITEM(v, (int)i, v2);
}
return v;
case TYPE_LIST:
@ -356,8 +363,15 @@ r_object(p)
v = newlistobject((int)n);
if (v == NULL)
return v;
for (i = 0; i < n; i++)
setlistitem(v, (int)i, r_object(p));
for (i = 0; i < n; i++) {
v2 = r_object(p);
if ( v2 == NULL ) {
DECREF(v);
v = NULL;
break;
}
setlistitem(v, (int)i, v2);
}
return v;
case TYPE_DICT:
@ -368,8 +382,9 @@ r_object(p)
object *key, *val;
key = r_object(p);
if (key == NULL)
break;
break; /* XXXX and how about memory errors? */
val = r_object(p);
/* XXXX error check? */
dict2insert(v, key, val);
DECREF(key);
XDECREF(val);
@ -381,12 +396,20 @@ r_object(p)
int argcount = r_short(p);
int nlocals = r_short(p);
int flags = r_short(p);
object *code = r_object(p);
object *consts = r_object(p);
object *names = r_object(p);
object *varnames = r_object(p);
object *filename = r_object(p);
object *name = r_object(p);
object *code = NULL;
object *consts = NULL;
object *names = NULL;
object *varnames = NULL;
object *filename = NULL;
object *name = NULL;
code = r_object(p);
if (code) consts = r_object(p);
if (consts) names = r_object(p);
if (names) varnames = r_object(p);
if (varnames) filename = r_object(p);
if (filename) name = r_object(p);
if (!err_occurred()) {
v = (object *) newcodeobject(
argcount, nlocals, flags,