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Fix SF bug # 561858 Assertion with very long lists

Browse source 
Write 4 bytes for co_stacksize, etc. to prevent writing out
bad .pyc files which can cause a crash when read back in.
This commit is contained in:
Neal Norwitz 2002-06-14 01:07:39 +00:00
parent 1f68fc7fa5
commit 7fdcb41131
3 changed files with 43 additions and 12 deletions
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20
Python/marshal.c
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@ -241,10 +241,10 @@ w_object(PyObject *v, WFILE *p)
else if (PyCode_Check(v)) {
PyCodeObject *co = (PyCodeObject *)v;
w_byte(TYPE_CODE, p);
w_short(co->co_argcount, p);
w_short(co->co_nlocals, p);
w_short(co->co_stacksize, p);
w_short(co->co_flags, p);
w_long(co->co_argcount, p);
w_long(co->co_nlocals, p);
w_long(co->co_stacksize, p);
w_long(co->co_flags, p);
w_object(co->co_code, p);
w_object(co->co_consts, p);
w_object(co->co_names, p);
@ -253,7 +253,7 @@ w_object(PyObject *v, WFILE *p)
w_object(co->co_cellvars, p);
w_object(co->co_filename, p);
w_object(co->co_name, p);
w_short(co->co_firstlineno, p);
w_long(co->co_firstlineno, p);
w_object(co->co_lnotab, p);
}
else if (PyObject_CheckReadBuffer(v)) {
@ -588,10 +588,10 @@ r_object(RFILE *p)
return NULL;
}
else {
int argcount = r_short(p);
int nlocals = r_short(p);
int stacksize = r_short(p);
int flags = r_short(p);
int argcount = r_long(p);
int nlocals = r_long(p);
int stacksize = r_long(p);
int flags = r_long(p);
PyObject *code = NULL;
PyObject *consts = NULL;
PyObject *names = NULL;
@ -612,7 +612,7 @@ r_object(RFILE *p)
if (cellvars) filename = r_object(p);
if (filename) name = r_object(p);
if (name) {
firstlineno = r_short(p);
firstlineno = r_long(p);
lnotab = r_object(p);
}