libcacard: remove useless initializers
libcacard has many functions which initializes local variables
at declaration time, which are always assigned some values later
(often right after declaration). Clean up these initializers.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/libcacard/cac.c b/libcacard/cac.c
index 3887896..0a0163d 100644
--- a/libcacard/cac.c
+++ b/libcacard/cac.c
@@ -93,8 +93,8 @@
static VCardStatus
cac_applet_pki_reset(VCard *card, int channel)
{
- VCardAppletPrivate *applet_private = NULL;
- CACPKIAppletData *pki_applet = NULL;
+ VCardAppletPrivate *applet_private;
+ CACPKIAppletData *pki_applet;
applet_private = vcard_get_current_applet_private(card, channel);
assert(applet_private);
pki_applet = &(applet_private->u.pki_data);
@@ -113,8 +113,8 @@
cac_applet_pki_process_apdu(VCard *card, VCardAPDU *apdu,
VCardResponse **response)
{
- CACPKIAppletData *pki_applet = NULL;
- VCardAppletPrivate *applet_private = NULL;
+ CACPKIAppletData *pki_applet;
+ VCardAppletPrivate *applet_private;
int size, next;
unsigned char *sign_buffer;
vcard_7816_status_t status;
@@ -279,7 +279,7 @@
static void
cac_delete_pki_applet_private(VCardAppletPrivate *applet_private)
{
- CACPKIAppletData *pki_applet_data = NULL;
+ CACPKIAppletData *pki_applet_data;
if (applet_private == NULL) {
return;
@@ -327,8 +327,8 @@
cac_new_pki_applet(int i, const unsigned char *cert,
int cert_len, VCardKey *key)
{
- VCardAppletPrivate *applet_private = NULL;
- VCardApplet *applet = NULL;
+ VCardAppletPrivate *applet_private;
+ VCardApplet *applet;
unsigned char pki_aid[] = { 0xa0, 0x00, 0x00, 0x00, 0x79, 0x01, 0x00 };
int pki_aid_len = sizeof(pki_aid);
diff --git a/libcacard/card_7816.c b/libcacard/card_7816.c
index bca8c4a..a54f880 100644
--- a/libcacard/card_7816.c
+++ b/libcacard/card_7816.c
@@ -416,7 +416,7 @@
VCardResponse *
vcard_make_response(vcard_7816_status_t status)
{
- VCardResponse *response = NULL;
+ VCardResponse *response;
switch (status) {
/* known 7816 response codes */
@@ -543,9 +543,8 @@
return VCARD_RESPONSE_GET_STATIC(
VCARD7816_STATUS_EXC_ERROR_MEMORY_FAILURE);
}
+ return response;
}
- assert(response);
- return response;
}
/*
diff --git a/libcacard/vcard.c b/libcacard/vcard.c
index 227e477..6aaf085 100644
--- a/libcacard/vcard.c
+++ b/libcacard/vcard.c
@@ -166,8 +166,8 @@
void
vcard_free(VCard *vcard)
{
- VCardApplet *current_applet = NULL;
- VCardApplet *next_applet = NULL;
+ VCardApplet *current_applet;
+ VCardApplet *next_applet;
if (vcard == NULL) {
return;
diff --git a/libcacard/vcard_emul_nss.c b/libcacard/vcard_emul_nss.c
index 8462aef..cefc383 100644
--- a/libcacard/vcard_emul_nss.c
+++ b/libcacard/vcard_emul_nss.c
@@ -367,7 +367,7 @@
vcard_emul_login(VCard *card, unsigned char *pin, int pin_len)
{
PK11SlotInfo *slot;
- unsigned char *pin_string = NULL;
+ unsigned char *pin_string;
int i;
SECStatus rv;
@@ -423,7 +423,7 @@
vcard_emul_find_vreader_from_slot(PK11SlotInfo *slot)
{
VReaderList *reader_list = vreader_get_reader_list();
- VReaderListEntry *current_entry = NULL;
+ VReaderListEntry *current_entry;
if (reader_list == NULL) {
return NULL;
@@ -1047,7 +1047,7 @@
vcard_emul_replay_insertion_events(void)
{
VReaderListEntry *current_entry;
- VReaderListEntry *next_entry = NULL;
+ VReaderListEntry *next_entry;
VReaderList *list = vreader_get_reader_list();
for (current_entry = vreader_list_get_first(list); current_entry;
diff --git a/libcacard/vreader.c b/libcacard/vreader.c
index f1288d9..d2a9b7d 100644
--- a/libcacard/vreader.c
+++ b/libcacard/vreader.c
@@ -339,7 +339,7 @@
vreader_list_delete(VReaderList *list)
{
VReaderListEntry *current_entry;
- VReaderListEntry *next_entry = NULL;
+ VReaderListEntry *next_entry;
for (current_entry = vreader_list_get_first(list); current_entry;
current_entry = next_entry) {
next_entry = vreader_list_get_next(current_entry);
@@ -430,8 +430,8 @@
static VReaderList *
vreader_copy_list(VReaderList *list)
{
- VReaderList *new_list = NULL;
- VReaderListEntry *current_entry = NULL;
+ VReaderList *new_list;
+ VReaderListEntry *current_entry;
new_list = vreader_list_new();
if (new_list == NULL) {
@@ -463,7 +463,7 @@
vreader_get_reader_by_id(vreader_id_t id)
{
VReader *reader = NULL;
- VReaderListEntry *current_entry = NULL;
+ VReaderListEntry *current_entry;
if (id == (vreader_id_t) -1) {
return NULL;
@@ -487,7 +487,7 @@
vreader_get_reader_by_name(const char *name)
{
VReader *reader = NULL;
- VReaderListEntry *current_entry = NULL;
+ VReaderListEntry *current_entry;
vreader_list_lock();
for (current_entry = vreader_list_get_first(vreader_list); current_entry;
diff --git a/libcacard/vscclient.c b/libcacard/vscclient.c
index f2a753a..6693900 100644
--- a/libcacard/vscclient.c
+++ b/libcacard/vscclient.c
@@ -131,8 +131,8 @@
event_thread(void *arg)
{
unsigned char atr[MAX_ATR_LEN];
- int atr_len = MAX_ATR_LEN;
- VEvent *event = NULL;
+ int atr_len;
+ VEvent *event;
unsigned int reader_id;
