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-rw-r--r--Modules/rotormodule.c64
1 files changed, 25 insertions, 39 deletions
diff --git a/Modules/rotormodule.c b/Modules/rotormodule.c
index 2950a93..e40615f 100644
--- a/Modules/rotormodule.c
+++ b/Modules/rotormodule.c
@@ -157,49 +157,35 @@ newrotorobject(num_rotors, key)
xp = NEWOBJ(rotorobject, &Rotortype);
if (xp == NULL)
return NULL;
- set_key(xp,key);
+ set_key(xp, key);
xp->size = 256;
xp->size_mask = xp->size - 1;
xp->size_mask = 0;
xp->rotors = num_rotors;
-
- xp->e_rotor = (unsigned char *)malloc((num_rotors * (xp->size * sizeof(char))));
- if (xp->e_rotor == (unsigned char *)NULL) {
- err_nomem();
- DEL(xp);
- xp = (object *)NULL;
- goto done;
- }
- xp->d_rotor = (unsigned char *)malloc((num_rotors * (xp->size * sizeof(char))));
- if (xp->d_rotor == (unsigned char *)NULL) {
- err_nomem();
- free(xp->e_rotor);
- DEL(xp);
- xp = (object *)NULL;
- goto done;
- }
+ xp->e_rotor = NULL;
+ xp->d_rotor = NULL;
+ xp->positions = NULL;
+ xp->advances = NULL;
+
+ xp->e_rotor =
+ (unsigned char *)malloc((num_rotors * (xp->size * sizeof(char))));
+ if (xp->e_rotor == (unsigned char *)NULL)
+ goto fail;
+ xp->d_rotor =
+ (unsigned char *)malloc((num_rotors * (xp->size * sizeof(char))));
+ if (xp->d_rotor == (unsigned char *)NULL)
+ goto fail;
xp->positions = (unsigned char *)malloc(num_rotors * sizeof(char));
- if (xp->positions == (unsigned char *)NULL) {
- err_nomem();
- free(xp->e_rotor);
- free(xp->d_rotor);
- DEL(xp);
- xp = (object *)NULL;
- goto done;
- }
+ if (xp->positions == (unsigned char *)NULL)
+ goto fail;
xp->advances = (unsigned char *)malloc(num_rotors * sizeof(char));
- if (xp->advances == (unsigned char *)NULL) {
- err_nomem();
- free(xp->e_rotor);
- free(xp->d_rotor);
- free(xp->positions);
- DEL(xp);
- xp = (object *)NULL;
- goto done;
- }
-done:
+ if (xp->advances == (unsigned char *)NULL)
+ goto fail;
return xp;
+fail:
+ DECREF(xp);
+ return (rotorobject *)err_nomem();
}
/* These routines impliment the rotor itself */
@@ -594,10 +580,10 @@ static void
rotor_dealloc(xp)
rotorobject *xp;
{
- free(xp->e_rotor);
- free(xp->d_rotor);
- free(xp->positions);
- free(xp->advances);
+ XDEL(xp->e_rotor);
+ XDEL(xp->d_rotor);
+ XDEL(xp->positions);
+ XDEL(xp->advances);
DEL(xp);
}