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| author | Jack Jansen <jack.jansen@cwi.nl> | 1995-10-27 13:21:28 (GMT) |
|---|---|---|
| committer | Jack Jansen <jack.jansen@cwi.nl> | 1995-10-27 13:21:28 (GMT) |
| commit | 9513f2c95a669cc44d972a5f7158160cd23a1cf6 (patch) | |
| tree | 175568b722cb93683d02eecfb016214c5a035de7 /Python/marshal.c | |
| parent | 10d0f8fc40a9b4b0970ea8b14ddf4b38e67a4dcc (diff) | |
| download | cpython-9513f2c95a669cc44d972a5f7158160cd23a1cf6.zip cpython-9513f2c95a669cc44d972a5f7158160cd23a1cf6.tar.gz cpython-9513f2c95a669cc44d972a5f7158160cd23a1cf6.tar.bz2 | |
Made a bit more robust against out-of-memory situations
Diffstat (limited to 'Python/marshal.c')
| -rw-r--r-- | Python/marshal.c | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/Python/marshal.c b/Python/marshal.c index c094b98..15c02c3 100644 --- a/Python/marshal.c +++ b/Python/marshal.c @@ -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, |