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Rewritten keys() and has_key() to avoid memory leaks.

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Guido van Rossum 1996-07-21 02:32:44 +00:00
parent 9e720e390a
commit 3be7140d31
1 changed files with 17 additions and 11 deletions
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28
Modules/gdbmmodule.c
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@ -187,38 +187,44 @@ dbm_keys(dp, args)
object *args;
{
register object *v, *item;
datum key, okey={ (char *)NULL, 0};
datum key, nextkey;
int err;
if (dp == NULL || !is_dbmobject(dp)) {
err_badcall();
return NULL;
}
if (!getnoarg(args))
return NULL;
v = newlistobject(0);
if (v == NULL)
return NULL;
for (key = gdbm_firstkey(dp->di_dbm); key.dptr;
key = gdbm_nextkey(dp->di_dbm,okey) ) {
key = gdbm_firstkey(dp->di_dbm);
while (key.dptr) {
item = newsizedstringobject(key.dptr, key.dsize);
if (item == 0) {
DECREF(v);
return NULL;
if (item == NULL) {
free(key.dptr);
DECREF(v);
return NULL;
}
err = addlistitem(v, item);
DECREF(item);
if(okey.dsize) free(okey.dptr);
if (err != 0) {
DECREF(v);
return NULL;
free(key.dptr);
DECREF(v);
return NULL;
}
okey=key;
nextkey = gdbm_nextkey(dp->di_dbm, key);
free(key.dptr);
key = nextkey;
}
return v;
}
static object *
dbm_has_key(dp, args)
register dbmobject *dp;